./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-hp-hp100.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-hp-hp100.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 c76818fb304a0b40bd70831524c213fb48469a57ba59c902bf604bd33d1e93eb --- Real Ultimate output --- This is Ultimate 0.2.2-tmp.no-commuhash-c3fed41 [2021-12-18 09:46:12,724 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-18 09:46:12,725 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-18 09:46:12,775 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-18 09:46:12,776 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-18 09:46:12,777 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-18 09:46:12,778 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-18 09:46:12,779 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-18 09:46:12,781 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-18 09:46:12,781 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-18 09:46:12,782 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-18 09:46:12,783 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-18 09:46:12,783 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-18 09:46:12,784 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-18 09:46:12,785 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-18 09:46:12,786 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-18 09:46:12,786 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-18 09:46:12,787 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-18 09:46:12,792 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-18 09:46:12,793 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-18 09:46:12,800 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-18 09:46:12,801 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-18 09:46:12,801 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-18 09:46:12,802 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-18 09:46:12,805 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-18 09:46:12,807 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-18 09:46:12,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-18 09:46:12,808 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-18 09:46:12,809 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-18 09:46:12,809 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-18 09:46:12,809 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-18 09:46:12,810 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-18 09:46:12,811 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-18 09:46:12,811 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-18 09:46:12,812 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-18 09:46:12,813 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-18 09:46:12,814 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-18 09:46:12,814 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-18 09:46:12,815 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-18 09:46:12,815 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-18 09:46:12,816 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-18 09:46:12,817 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-18 09:46:12,845 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-18 09:46:12,846 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-18 09:46:12,846 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-18 09:46:12,847 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-18 09:46:12,847 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-18 09:46:12,848 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-18 09:46:12,848 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-18 09:46:12,848 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-18 09:46:12,848 INFO L138 SettingsManager]: * Use SBE=true [2021-12-18 09:46:12,848 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-18 09:46:12,849 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-18 09:46:12,849 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-18 09:46:12,849 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-18 09:46:12,850 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-18 09:46:12,850 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-18 09:46:12,850 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-18 09:46:12,850 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-18 09:46:12,850 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-18 09:46:12,850 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-18 09:46:12,850 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-18 09:46:12,851 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-18 09:46:12,851 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 09:46:12,851 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-18 09:46:12,851 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-18 09:46:12,851 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-18 09:46:12,851 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-18 09:46:12,852 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-18 09:46:12,852 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-18 09:46:12,852 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-18 09:46:12,852 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-18 09:46:12,852 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-18 09:46:12,852 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c76818fb304a0b40bd70831524c213fb48469a57ba59c902bf604bd33d1e93eb [2021-12-18 09:46:13,057 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-18 09:46:13,076 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-18 09:46:13,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-18 09:46:13,080 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-18 09:46:13,080 INFO L275 PluginConnector]: CDTParser initialized [2021-12-18 09:46:13,081 INFO L432 ainManager$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-hp-hp100.cil.i [2021-12-18 09:46:13,126 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11cd769dd/c53c0b2cc8ee4048a503828dbf07d207/FLAG3d7e6dbcd [2021-12-18 09:46:13,816 INFO L306 CDTParser]: Found 1 translation units. [2021-12-18 09:46:13,816 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-hp-hp100.cil.i [2021-12-18 09:46:13,849 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11cd769dd/c53c0b2cc8ee4048a503828dbf07d207/FLAG3d7e6dbcd [2021-12-18 09:46:14,155 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/11cd769dd/c53c0b2cc8ee4048a503828dbf07d207 [2021-12-18 09:46:14,157 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-18 09:46:14,158 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-18 09:46:14,158 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-18 09:46:14,159 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-18 09:46:14,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-18 09:46:14,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:46:14" (1/1) ... [2021-12-18 09:46:14,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d84e4b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:46:14, skipping insertion in model container [2021-12-18 09:46:14,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 09:46:14" (1/1) ... [2021-12-18 09:46:14,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-18 09:46:14,272 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-18 09:46:15,728 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-hp-hp100.cil.i[315653,315666] [2021-12-18 09:46:15,730 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-hp-hp100.cil.i[315798,315811] [2021-12-18 09:46:15,741 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 09:46:15,787 INFO L203 MainTranslator]: Completed pre-run [2021-12-18 09:46:16,025 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-hp-hp100.cil.i[315653,315666] [2021-12-18 09:46:16,026 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-hp-hp100.cil.i[315798,315811] [2021-12-18 09:46:16,029 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-18 09:46:16,144 INFO L208 MainTranslator]: Completed translation [2021-12-18 09:46:16,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:46:16 WrapperNode [2021-12-18 09:46:16,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-18 09:46:16,146 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-18 09:46:16,146 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-18 09:46:16,146 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-18 09:46:16,151 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:46:16" (1/1) ... [2021-12-18 09:46:16,202 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:46:16" (1/1) ... [2021-12-18 09:46:16,346 INFO L137 Inliner]: procedures = 390, calls = 1855, calls flagged for inlining = 177, calls inlined = 157, statements flattened = 4250 [2021-12-18 09:46:16,347 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-18 09:46:16,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-18 09:46:16,348 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-18 09:46:16,348 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-18 09:46:16,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:46:16" (1/1) ... [2021-12-18 09:46:16,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:46:16" (1/1) ... [2021-12-18 09:46:16,368 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:46:16" (1/1) ... [2021-12-18 09:46:16,369 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:46:16" (1/1) ... [2021-12-18 09:46:16,435 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:46:16" (1/1) ... [2021-12-18 09:46:16,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:46:16" (1/1) ... [2021-12-18 09:46:16,475 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:46:16" (1/1) ... [2021-12-18 09:46:16,497 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-18 09:46:16,498 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-18 09:46:16,498 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-18 09:46:16,499 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-18 09:46:16,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:46:16" (1/1) ... [2021-12-18 09:46:16,505 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-18 09:46:16,511 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 09:46:16,524 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 09:46:16,542 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 09:46:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-18 09:46:16,562 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-18 09:46:16,562 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2021-12-18 09:46:16,563 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2021-12-18 09:46:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_irqrestore_89 [2021-12-18 09:46:16,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_irqrestore_89 [2021-12-18 09:46:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-18 09:46:16,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-18 09:46:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2021-12-18 09:46:16,563 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2021-12-18 09:46:16,563 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2021-12-18 09:46:16,564 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2021-12-18 09:46:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_open [2021-12-18 09:46:16,564 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_open [2021-12-18 09:46:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_load_eeprom [2021-12-18 09:46:16,564 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_load_eeprom [2021-12-18 09:46:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-12-18 09:46:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_sense_lan [2021-12-18 09:46:16,564 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_sense_lan [2021-12-18 09:46:16,564 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-12-18 09:46:16,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-12-18 09:46:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2021-12-18 09:46:16,565 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2021-12-18 09:46:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2021-12-18 09:46:16,565 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2021-12-18 09:46:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-18 09:46:16,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-18 09:46:16,565 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2021-12-18 09:46:16,566 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2021-12-18 09:46:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-18 09:46:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2021-12-18 09:46:16,566 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2021-12-18 09:46:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-12-18 09:46:16,566 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-12-18 09:46:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_103 [2021-12-18 09:46:16,566 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_103 [2021-12-18 09:46:16,566 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2021-12-18 09:46:16,567 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2021-12-18 09:46:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_cascade_reset [2021-12-18 09:46:16,567 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_cascade_reset [2021-12-18 09:46:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-12-18 09:46:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2021-12-18 09:46:16,567 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2021-12-18 09:46:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-18 09:46:16,567 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-12-18 09:46:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-12-18 09:46:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-18 09:46:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2021-12-18 09:46:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2021-12-18 09:46:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-12-18 09:46:16,568 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-12-18 09:46:16,568 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_rx_bm [2021-12-18 09:46:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_rx_bm [2021-12-18 09:46:16,569 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_BM_shutdown [2021-12-18 09:46:16,569 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_BM_shutdown [2021-12-18 09:46:16,570 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_dev_set_drvdata [2021-12-18 09:46:16,570 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_dev_set_drvdata [2021-12-18 09:46:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_err_code [2021-12-18 09:46:16,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_err_code [2021-12-18 09:46:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-12-18 09:46:16,571 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-12-18 09:46:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure wait [2021-12-18 09:46:16,571 INFO L138 BoogieDeclarations]: Found implementation of procedure wait [2021-12-18 09:46:16,571 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2021-12-18 09:46:16,572 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2021-12-18 09:46:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_hwinit [2021-12-18 09:46:16,572 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_hwinit [2021-12-18 09:46:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-18 09:46:16,572 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-18 09:46:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure virt_to_whatever [2021-12-18 09:46:16,572 INFO L138 BoogieDeclarations]: Found implementation of procedure virt_to_whatever [2021-12-18 09:46:16,572 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_close [2021-12-18 09:46:16,572 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_close [2021-12-18 09:46:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-18 09:46:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_stop_interface [2021-12-18 09:46:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_stop_interface [2021-12-18 09:46:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_check_lan [2021-12-18 09:46:16,573 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_check_lan [2021-12-18 09:46:16,573 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_switch_1 [2021-12-18 09:46:16,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_switch_1 [2021-12-18 09:46:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-18 09:46:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-12-18 09:46:16,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-12-18 09:46:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-12-18 09:46:16,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-12-18 09:46:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-18 09:46:16,574 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-12-18 09:46:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 09:46:16,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-18 09:46:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-12-18 09:46:16,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-12-18 09:46:16,575 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_exclusive_spin_is_locked [2021-12-18 09:46:16,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_exclusive_spin_is_locked [2021-12-18 09:46:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert [2021-12-18 09:46:16,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert [2021-12-18 09:46:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure __ldv_spin_lock [2021-12-18 09:46:16,576 INFO L138 BoogieDeclarations]: Found implementation of procedure __ldv_spin_lock [2021-12-18 09:46:16,576 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_rxfill [2021-12-18 09:46:16,576 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_rxfill [2021-12-18 09:46:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-18 09:46:16,577 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-18 09:46:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2021-12-18 09:46:16,577 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2021-12-18 09:46:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_netdev [2021-12-18 09:46:16,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_netdev [2021-12-18 09:46:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-18 09:46:16,577 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-18 09:46:16,577 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_update_stats [2021-12-18 09:46:16,578 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_update_stats [2021-12-18 09:46:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-12-18 09:46:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-12-18 09:46:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-18 09:46:16,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-18 09:46:16,578 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2021-12-18 09:46:16,578 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2021-12-18 09:46:16,579 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-12-18 09:46:16,579 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-12-18 09:46:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2021-12-18 09:46:16,581 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2021-12-18 09:46:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-18 09:46:16,581 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-18 09:46:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-18 09:46:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 09:46:16,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~structbegin~int~structend~~TO~int [2021-12-18 09:46:16,583 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2021-12-18 09:46:16,583 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2021-12-18 09:46:16,587 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2021-12-18 09:46:16,587 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2021-12-18 09:46:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2021-12-18 09:46:16,588 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2021-12-18 09:46:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-12-18 09:46:16,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-12-18 09:46:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure outl [2021-12-18 09:46:16,588 INFO L138 BoogieDeclarations]: Found implementation of procedure outl [2021-12-18 09:46:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_pci_remove [2021-12-18 09:46:16,588 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_pci_remove [2021-12-18 09:46:16,588 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_build_rx_pdl [2021-12-18 09:46:16,588 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_build_rx_pdl [2021-12-18 09:46:16,589 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2021-12-18 09:46:16,589 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2021-12-18 09:46:16,589 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2021-12-18 09:46:16,589 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2021-12-18 09:46:16,589 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2021-12-18 09:46:16,589 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2021-12-18 09:46:16,589 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock_lock_of_hp100_private [2021-12-18 09:46:16,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock_lock_of_hp100_private [2021-12-18 09:46:16,589 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-18 09:46:16,589 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2021-12-18 09:46:16,590 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2021-12-18 09:46:16,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-18 09:46:16,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-18 09:46:16,590 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock_lock_of_hp100_private [2021-12-18 09:46:16,590 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock_lock_of_hp100_private [2021-12-18 09:46:16,590 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2021-12-18 09:46:16,590 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2021-12-18 09:46:16,590 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_any [2021-12-18 09:46:16,590 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_any [2021-12-18 09:46:16,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-12-18 09:46:16,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-12-18 09:46:16,591 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_set_multicast_list [2021-12-18 09:46:16,591 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_set_multicast_list [2021-12-18 09:46:16,591 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_start_interface [2021-12-18 09:46:16,591 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_start_interface [2021-12-18 09:46:16,591 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2021-12-18 09:46:16,591 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2021-12-18 09:46:16,591 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_clean_txring [2021-12-18 09:46:16,591 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_clean_txring [2021-12-18 09:46:16,592 INFO L130 BoogieDeclarations]: Found specification of procedure inl [2021-12-18 09:46:16,592 INFO L138 BoogieDeclarations]: Found implementation of procedure inl [2021-12-18 09:46:16,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-18 09:46:16,592 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2021-12-18 09:46:16,592 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2021-12-18 09:46:16,592 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-12-18 09:46:16,592 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-12-18 09:46:16,592 INFO L130 BoogieDeclarations]: Found specification of procedure hp100_login_to_vg_hub [2021-12-18 09:46:16,592 INFO L138 BoogieDeclarations]: Found implementation of procedure hp100_login_to_vg_hub [2021-12-18 09:46:16,592 INFO L130 BoogieDeclarations]: Found specification of procedure preempt_count [2021-12-18 09:46:16,593 INFO L138 BoogieDeclarations]: Found implementation of procedure preempt_count [2021-12-18 09:46:17,196 INFO L236 CfgBuilder]: Building ICFG [2021-12-18 09:46:17,199 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-18 09:46:17,448 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-18 09:46:18,803 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ULTIMATE.startFINAL: assume true; [2021-12-18 09:46:18,803 WARN L815 $ProcedureCfgBuilder]: Label in the middle of a codeblock. [2021-12-18 09:46:18,891 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L8566-1: assume -9223372036854775808 <= #t~ret676#1 && #t~ret676#1 <= 9223372036854775807;havoc #t~ret676#1; [2021-12-18 09:46:18,892 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L8566: SUMMARY for call #t~ret676#1 := schedule_timeout_interruptible(1); srcloc: null [2021-12-18 09:46:18,892 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##8: assume 0 == ~bitwiseAnd(~tmp___4~7#1, 2096896) % 18446744073709551616; [2021-12-18 09:46:18,892 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint $Ultimate##9: assume !(0 == ~bitwiseAnd(~tmp___4~7#1, 2096896) % 18446744073709551616); [2021-12-18 09:46:18,892 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L8570: assume (if (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 else (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 - 18446744073709551616) < 0; [2021-12-18 09:46:18,893 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint L8570: assume !((if (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 <= 9223372036854775807 then (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 else (~jiffies~0 - ~time~2#1) % 18446744073709551616 % 18446744073709551616 - 18446744073709551616) < 0); [2021-12-18 09:46:18,955 INFO L277 CfgBuilder]: Performing block encoding [2021-12-18 09:46:18,970 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-18 09:46:18,971 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-12-18 09:46:18,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:46:18 BoogieIcfgContainer [2021-12-18 09:46:18,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-18 09:46:18,975 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-18 09:46:18,975 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-18 09:46:18,981 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-18 09:46:18,981 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 09:46:14" (1/3) ... [2021-12-18 09:46:18,981 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a611097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:46:18, skipping insertion in model container [2021-12-18 09:46:18,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 09:46:16" (2/3) ... [2021-12-18 09:46:18,982 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a611097 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 09:46:18, skipping insertion in model container [2021-12-18 09:46:18,982 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 09:46:18" (3/3) ... [2021-12-18 09:46:18,983 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-3.14_complex_emg_linux-alloc-spinlock_drivers-net-ethernet-hp-hp100.cil.i [2021-12-18 09:46:18,986 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-18 09:46:18,986 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-18 09:46:19,040 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-18 09:46:19,044 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 09:46:19,044 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-18 09:46:19,089 INFO L276 IsEmpty]: Start isEmpty. Operand has 1748 states, 1100 states have (on average 1.2963636363636364) internal successors, (1426), 1148 states have internal predecessors, (1426), 569 states have call successors, (569), 80 states have call predecessors, (569), 79 states have return successors, (564), 548 states have call predecessors, (564), 564 states have call successors, (564) [2021-12-18 09:46:19,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-12-18 09:46:19,120 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:46:19,121 INFO L514 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 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] [2021-12-18 09:46:19,121 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:46:19,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:46:19,128 INFO L85 PathProgramCache]: Analyzing trace with hash 88961259, now seen corresponding path program 1 times [2021-12-18 09:46:19,134 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:46:19,135 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582206825] [2021-12-18 09:46:19,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:46:19,136 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:46:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:19,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:46:19,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:19,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:19,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:19,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:46:19,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:19,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:19,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:19,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:46:19,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:19,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:19,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:19,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:46:19,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:19,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:19,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:19,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 09:46:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:19,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-12-18 09:46:19,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:19,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2021-12-18 09:46:19,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:19,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 09:46:19,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:19,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 09:46:19,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:19,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-12-18 09:46:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:19,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-12-18 09:46:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:19,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-18 09:46:19,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:19,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2021-12-18 09:46:19,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:19,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 09:46:19,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:19,709 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2021-12-18 09:46:19,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:46:19,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582206825] [2021-12-18 09:46:19,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582206825] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:46:19,711 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:46:19,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-12-18 09:46:19,713 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701612042] [2021-12-18 09:46:19,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:46:19,716 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-12-18 09:46:19,719 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:46:19,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-12-18 09:46:19,752 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-12-18 09:46:19,757 INFO L87 Difference]: Start difference. First operand has 1748 states, 1100 states have (on average 1.2963636363636364) internal successors, (1426), 1148 states have internal predecessors, (1426), 569 states have call successors, (569), 80 states have call predecessors, (569), 79 states have return successors, (564), 548 states have call predecessors, (564), 564 states have call successors, (564) Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 4 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2021-12-18 09:46:24,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:46:24,390 INFO L93 Difference]: Finished difference Result 5102 states and 7634 transitions. [2021-12-18 09:46:24,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-12-18 09:46:24,393 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 4 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) Word has length 128 [2021-12-18 09:46:24,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:46:24,431 INFO L225 Difference]: With dead ends: 5102 [2021-12-18 09:46:24,431 INFO L226 Difference]: Without dead ends: 3299 [2021-12-18 09:46:24,448 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 40 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 09:46:24,450 INFO L933 BasicCegarLoop]: 2731 mSDtfsCounter, 3868 mSDsluCounter, 2961 mSDsCounter, 0 mSdLazyCounter, 2736 mSolverCounterSat, 3964 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4080 SdHoareTripleChecker+Valid, 5692 SdHoareTripleChecker+Invalid, 6700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3964 IncrementalHoareTripleChecker+Valid, 2736 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.2s IncrementalHoareTripleChecker+Time [2021-12-18 09:46:24,451 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4080 Valid, 5692 Invalid, 6700 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3964 Valid, 2736 Invalid, 0 Unknown, 0 Unchecked, 4.2s Time] [2021-12-18 09:46:24,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3299 states. [2021-12-18 09:46:24,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3299 to 3179. [2021-12-18 09:46:24,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3179 states, 1999 states have (on average 1.2906453226613306) internal successors, (2580), 2089 states have internal predecessors, (2580), 1030 states have call successors, (1030), 148 states have call predecessors, (1030), 149 states have return successors, (1042), 995 states have call predecessors, (1042), 1030 states have call successors, (1042) [2021-12-18 09:46:24,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3179 states to 3179 states and 4652 transitions. [2021-12-18 09:46:24,685 INFO L78 Accepts]: Start accepts. Automaton has 3179 states and 4652 transitions. Word has length 128 [2021-12-18 09:46:24,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:46:24,685 INFO L470 AbstractCegarLoop]: Abstraction has 3179 states and 4652 transitions. [2021-12-18 09:46:24,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 3 states have internal predecessors, (68), 4 states have call successors, (17), 4 states have call predecessors, (17), 1 states have return successors, (15), 3 states have call predecessors, (15), 4 states have call successors, (15) [2021-12-18 09:46:24,685 INFO L276 IsEmpty]: Start isEmpty. Operand 3179 states and 4652 transitions. [2021-12-18 09:46:24,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-12-18 09:46:24,697 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:46:24,697 INFO L514 BasicCegarLoop]: trace histogram [7, 7, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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 09:46:24,697 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-18 09:46:24,697 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:46:24,698 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:46:24,698 INFO L85 PathProgramCache]: Analyzing trace with hash -443201813, now seen corresponding path program 1 times [2021-12-18 09:46:24,698 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:46:24,698 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576814291] [2021-12-18 09:46:24,698 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:46:24,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:46:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:24,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:46:24,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:24,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:24,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:46:24,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:24,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:24,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:24,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:46:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:24,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:24,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:24,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:46:24,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:24,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:24,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:24,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 09:46:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:24,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-18 09:46:24,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:24,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:46:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:24,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:24,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:46:24,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:24,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 09:46:24,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:24,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 09:46:24,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:24,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-18 09:46:24,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:24,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2021-12-18 09:46:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:24,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-12-18 09:46:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:24,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 09:46:24,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:24,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 09:46:24,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:24,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 09:46:24,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:24,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 09:46:24,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:25,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 163 [2021-12-18 09:46:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:25,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2021-12-18 09:46:25,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:25,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 09:46:25,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:25,015 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2021-12-18 09:46:25,015 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:46:25,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576814291] [2021-12-18 09:46:25,015 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576814291] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:46:25,015 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:46:25,015 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 09:46:25,016 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [536739850] [2021-12-18 09:46:25,016 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:46:25,017 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 09:46:25,017 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:46:25,017 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 09:46:25,017 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 09:46:25,018 INFO L87 Difference]: Start difference. First operand 3179 states and 4652 transitions. Second operand has 6 states, 5 states have (on average 21.4) internal successors, (107), 3 states have internal predecessors, (107), 4 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-12-18 09:46:30,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:46:30,676 INFO L93 Difference]: Finished difference Result 8539 states and 12547 transitions. [2021-12-18 09:46:30,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 09:46:30,677 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.4) internal successors, (107), 3 states have internal predecessors, (107), 4 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) Word has length 193 [2021-12-18 09:46:30,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:46:30,703 INFO L225 Difference]: With dead ends: 8539 [2021-12-18 09:46:30,703 INFO L226 Difference]: Without dead ends: 5373 [2021-12-18 09:46:30,718 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-12-18 09:46:30,719 INFO L933 BasicCegarLoop]: 2206 mSDtfsCounter, 4552 mSDsluCounter, 2731 mSDsCounter, 0 mSdLazyCounter, 2908 mSolverCounterSat, 4452 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4984 SdHoareTripleChecker+Valid, 4937 SdHoareTripleChecker+Invalid, 7360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4452 IncrementalHoareTripleChecker+Valid, 2908 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-12-18 09:46:30,719 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4984 Valid, 4937 Invalid, 7360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4452 Valid, 2908 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2021-12-18 09:46:30,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5373 states. [2021-12-18 09:46:30,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5373 to 4982. [2021-12-18 09:46:30,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4982 states, 3133 states have (on average 1.2907756144270668) internal successors, (4044), 3276 states have internal predecessors, (4044), 1600 states have call successors, (1600), 246 states have call predecessors, (1600), 248 states have return successors, (1614), 1547 states have call predecessors, (1614), 1600 states have call successors, (1614) [2021-12-18 09:46:30,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4982 states to 4982 states and 7258 transitions. [2021-12-18 09:46:30,996 INFO L78 Accepts]: Start accepts. Automaton has 4982 states and 7258 transitions. Word has length 193 [2021-12-18 09:46:30,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:46:30,998 INFO L470 AbstractCegarLoop]: Abstraction has 4982 states and 7258 transitions. [2021-12-18 09:46:30,998 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.4) internal successors, (107), 3 states have internal predecessors, (107), 4 states have call successors, (24), 5 states have call predecessors, (24), 1 states have return successors, (22), 3 states have call predecessors, (22), 4 states have call successors, (22) [2021-12-18 09:46:30,998 INFO L276 IsEmpty]: Start isEmpty. Operand 4982 states and 7258 transitions. [2021-12-18 09:46:31,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2021-12-18 09:46:31,009 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:46:31,010 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 7, 7, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:46:31,010 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-18 09:46:31,010 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:46:31,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:46:31,011 INFO L85 PathProgramCache]: Analyzing trace with hash -1163620634, now seen corresponding path program 1 times [2021-12-18 09:46:31,011 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:46:31,011 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249257706] [2021-12-18 09:46:31,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:46:31,012 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:46:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:46:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:31,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:46:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:31,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,161 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:46:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:31,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:46:31,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 09:46:31,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2021-12-18 09:46:31,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2021-12-18 09:46:31,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-12-18 09:46:31,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:31,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-12-18 09:46:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 09:46:31,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 09:46:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-18 09:46:31,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-12-18 09:46:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-12-18 09:46:31,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:46:31,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:46:31,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2021-12-18 09:46:31,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-12-18 09:46:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-12-18 09:46:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-12-18 09:46:31,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 09:46:31,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 09:46:31,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-12-18 09:46:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-18 09:46:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:31,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:46:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:46:31,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:46:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-18 09:46:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 09:46:31,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-12-18 09:46:31,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2021-12-18 09:46:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-12-18 09:46:31,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-12-18 09:46:31,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-12-18 09:46:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-12-18 09:46:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 09:46:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 09:46:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2021-12-18 09:46:31,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-12-18 09:46:31,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2021-12-18 09:46:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-12-18 09:46:31,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-12-18 09:46:31,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2021-12-18 09:46:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-18 09:46:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-18 09:46:31,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 292 [2021-12-18 09:46:31,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 09:46:31,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-18 09:46:31,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-18 09:46:31,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:31,448 INFO L134 CoverageAnalysis]: Checked inductivity of 587 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 587 trivial. 0 not checked. [2021-12-18 09:46:31,449 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:46:31,449 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249257706] [2021-12-18 09:46:31,449 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249257706] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:46:31,449 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:46:31,449 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 09:46:31,449 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106149466] [2021-12-18 09:46:31,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:46:31,451 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 09:46:31,452 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:46:31,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 09:46:31,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 09:46:31,453 INFO L87 Difference]: Start difference. First operand 4982 states and 7258 transitions. Second operand has 6 states, 6 states have (on average 19.5) internal successors, (117), 3 states have internal predecessors, (117), 4 states have call successors, (58), 5 states have call predecessors, (58), 1 states have return successors, (53), 3 states have call predecessors, (53), 4 states have call successors, (53) [2021-12-18 09:46:36,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:46:36,958 INFO L93 Difference]: Finished difference Result 14045 states and 20500 transitions. [2021-12-18 09:46:36,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 09:46:36,968 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 3 states have internal predecessors, (117), 4 states have call successors, (58), 5 states have call predecessors, (58), 1 states have return successors, (53), 3 states have call predecessors, (53), 4 states have call successors, (53) Word has length 324 [2021-12-18 09:46:36,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:46:37,048 INFO L225 Difference]: With dead ends: 14045 [2021-12-18 09:46:37,048 INFO L226 Difference]: Without dead ends: 9076 [2021-12-18 09:46:37,067 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-12-18 09:46:37,071 INFO L933 BasicCegarLoop]: 2223 mSDtfsCounter, 5908 mSDsluCounter, 2751 mSDsCounter, 0 mSdLazyCounter, 3123 mSolverCounterSat, 5829 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6407 SdHoareTripleChecker+Valid, 4974 SdHoareTripleChecker+Invalid, 8952 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5829 IncrementalHoareTripleChecker+Valid, 3123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.0s IncrementalHoareTripleChecker+Time [2021-12-18 09:46:37,073 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6407 Valid, 4974 Invalid, 8952 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5829 Valid, 3123 Invalid, 0 Unknown, 0 Unchecked, 5.0s Time] [2021-12-18 09:46:37,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9076 states. [2021-12-18 09:46:37,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9076 to 8322. [2021-12-18 09:46:37,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8322 states, 5268 states have (on average 1.283788914198937) internal successors, (6763), 5504 states have internal predecessors, (6763), 2625 states have call successors, (2625), 426 states have call predecessors, (2625), 428 states have return successors, (2653), 2534 states have call predecessors, (2653), 2625 states have call successors, (2653) [2021-12-18 09:46:37,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8322 states to 8322 states and 12041 transitions. [2021-12-18 09:46:37,561 INFO L78 Accepts]: Start accepts. Automaton has 8322 states and 12041 transitions. Word has length 324 [2021-12-18 09:46:37,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:46:37,562 INFO L470 AbstractCegarLoop]: Abstraction has 8322 states and 12041 transitions. [2021-12-18 09:46:37,563 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 19.5) internal successors, (117), 3 states have internal predecessors, (117), 4 states have call successors, (58), 5 states have call predecessors, (58), 1 states have return successors, (53), 3 states have call predecessors, (53), 4 states have call successors, (53) [2021-12-18 09:46:37,563 INFO L276 IsEmpty]: Start isEmpty. Operand 8322 states and 12041 transitions. [2021-12-18 09:46:37,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-12-18 09:46:37,569 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:46:37,570 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 7, 7, 7, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:46:37,570 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-18 09:46:37,570 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:46:37,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:46:37,571 INFO L85 PathProgramCache]: Analyzing trace with hash 418351783, now seen corresponding path program 1 times [2021-12-18 09:46:37,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:46:37,571 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1188616189] [2021-12-18 09:46:37,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:46:37,571 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:46:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:37,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:46:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:37,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:37,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:46:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:37,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:37,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:46:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:37,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:37,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:46:37,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:37,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:37,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:37,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 09:46:37,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:37,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 09:46:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:37,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 09:46:37,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:37,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 09:46:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:37,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 09:46:37,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:37,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:46:37,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:37,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:37,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:37,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 09:46:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:37,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-18 09:46:37,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:37,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-12-18 09:46:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:37,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:46:37,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:37,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:37,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:46:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:37,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 09:46:37,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:37,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 09:46:37,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:37,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 177 [2021-12-18 09:46:37,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:37,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2021-12-18 09:46:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:37,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-12-18 09:46:37,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:37,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 09:46:37,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:37,814 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 09:46:37,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:37,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 213 [2021-12-18 09:46:37,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:37,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-12-18 09:46:37,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:37,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-18 09:46:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:37,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-12-18 09:46:37,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:37,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2021-12-18 09:46:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:37,839 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2021-12-18 09:46:37,839 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:46:37,839 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1188616189] [2021-12-18 09:46:37,839 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1188616189] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:46:37,839 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:46:37,839 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 09:46:37,840 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096957801] [2021-12-18 09:46:37,840 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:46:37,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 09:46:37,840 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:46:37,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 09:46:37,841 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 09:46:37,841 INFO L87 Difference]: Start difference. First operand 8322 states and 12041 transitions. Second operand has 6 states, 5 states have (on average 27.2) internal successors, (136), 3 states have internal predecessors, (136), 4 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2021-12-18 09:46:43,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:46:43,723 INFO L93 Difference]: Finished difference Result 19909 states and 28906 transitions. [2021-12-18 09:46:43,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 09:46:43,724 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 27.2) internal successors, (136), 3 states have internal predecessors, (136), 4 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) Word has length 256 [2021-12-18 09:46:43,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:46:43,778 INFO L225 Difference]: With dead ends: 19909 [2021-12-18 09:46:43,778 INFO L226 Difference]: Without dead ends: 11600 [2021-12-18 09:46:43,809 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-12-18 09:46:43,810 INFO L933 BasicCegarLoop]: 3205 mSDtfsCounter, 1995 mSDsluCounter, 4038 mSDsCounter, 0 mSdLazyCounter, 3880 mSolverCounterSat, 1480 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2430 SdHoareTripleChecker+Valid, 7243 SdHoareTripleChecker+Invalid, 5360 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1480 IncrementalHoareTripleChecker+Valid, 3880 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2021-12-18 09:46:43,810 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2430 Valid, 7243 Invalid, 5360 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1480 Valid, 3880 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2021-12-18 09:46:43,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11600 states. [2021-12-18 09:46:44,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11600 to 10642. [2021-12-18 09:46:44,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10642 states, 6767 states have (on average 1.2807743460913255) internal successors, (8667), 7064 states have internal predecessors, (8667), 3304 states have call successors, (3304), 568 states have call predecessors, (3304), 570 states have return successors, (3332), 3193 states have call predecessors, (3332), 3304 states have call successors, (3332) [2021-12-18 09:46:44,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10642 states to 10642 states and 15303 transitions. [2021-12-18 09:46:44,379 INFO L78 Accepts]: Start accepts. Automaton has 10642 states and 15303 transitions. Word has length 256 [2021-12-18 09:46:44,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:46:44,379 INFO L470 AbstractCegarLoop]: Abstraction has 10642 states and 15303 transitions. [2021-12-18 09:46:44,380 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 27.2) internal successors, (136), 3 states have internal predecessors, (136), 4 states have call successors, (32), 5 states have call predecessors, (32), 1 states have return successors, (30), 3 states have call predecessors, (30), 4 states have call successors, (30) [2021-12-18 09:46:44,380 INFO L276 IsEmpty]: Start isEmpty. Operand 10642 states and 15303 transitions. [2021-12-18 09:46:44,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-12-18 09:46:44,387 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:46:44,387 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:46:44,388 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-18 09:46:44,388 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:46:44,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:46:44,388 INFO L85 PathProgramCache]: Analyzing trace with hash 104286430, now seen corresponding path program 1 times [2021-12-18 09:46:44,388 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:46:44,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1189469899] [2021-12-18 09:46:44,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:46:44,389 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:46:44,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:46:44,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:44,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:46:44,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:44,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:46:44,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:44,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:46:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 09:46:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 09:46:44,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 09:46:44,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 09:46:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 09:46:44,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:46:44,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:44,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 09:46:44,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-18 09:46:44,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 09:46:44,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:44,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:46:44,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:46:44,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 09:46:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:44,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:46:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:46:44,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:46:44,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 09:46:44,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 09:46:44,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:46:44,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:46:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 09:46:44,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 09:46:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:46:44,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-18 09:46:44,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 09:46:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 09:46:44,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 09:46:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-18 09:46:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 09:46:44,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 09:46:44,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-18 09:46:44,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-12-18 09:46:44,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:44,687 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2021-12-18 09:46:44,687 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:46:44,688 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1189469899] [2021-12-18 09:46:44,688 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1189469899] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:46:44,688 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:46:44,688 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 09:46:44,688 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671533333] [2021-12-18 09:46:44,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:46:44,689 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 09:46:44,689 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:46:44,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 09:46:44,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 09:46:44,690 INFO L87 Difference]: Start difference. First operand 10642 states and 15303 transitions. Second operand has 6 states, 5 states have (on average 33.4) internal successors, (167), 3 states have internal predecessors, (167), 4 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2021-12-18 09:46:49,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:46:49,983 INFO L93 Difference]: Finished difference Result 24763 states and 35756 transitions. [2021-12-18 09:46:49,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 09:46:49,985 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 33.4) internal successors, (167), 3 states have internal predecessors, (167), 4 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) Word has length 330 [2021-12-18 09:46:49,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:46:50,048 INFO L225 Difference]: With dead ends: 24763 [2021-12-18 09:46:50,048 INFO L226 Difference]: Without dead ends: 14134 [2021-12-18 09:46:50,084 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-12-18 09:46:50,085 INFO L933 BasicCegarLoop]: 3212 mSDtfsCounter, 3212 mSDsluCounter, 3370 mSDsCounter, 0 mSdLazyCounter, 3079 mSolverCounterSat, 3495 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3647 SdHoareTripleChecker+Valid, 6582 SdHoareTripleChecker+Invalid, 6574 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3495 IncrementalHoareTripleChecker+Valid, 3079 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2021-12-18 09:46:50,085 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3647 Valid, 6582 Invalid, 6574 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3495 Valid, 3079 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2021-12-18 09:46:50,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14134 states. [2021-12-18 09:46:50,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14134 to 12927. [2021-12-18 09:46:50,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12927 states, 8244 states have (on average 1.279597282872392) internal successors, (10549), 8602 states have internal predecessors, (10549), 3971 states have call successors, (3971), 709 states have call predecessors, (3971), 711 states have return successors, (3999), 3840 states have call predecessors, (3999), 3971 states have call successors, (3999) [2021-12-18 09:46:50,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12927 states to 12927 states and 18519 transitions. [2021-12-18 09:46:50,762 INFO L78 Accepts]: Start accepts. Automaton has 12927 states and 18519 transitions. Word has length 330 [2021-12-18 09:46:50,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:46:50,763 INFO L470 AbstractCegarLoop]: Abstraction has 12927 states and 18519 transitions. [2021-12-18 09:46:50,764 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 33.4) internal successors, (167), 3 states have internal predecessors, (167), 4 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2021-12-18 09:46:50,764 INFO L276 IsEmpty]: Start isEmpty. Operand 12927 states and 18519 transitions. [2021-12-18 09:46:50,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-12-18 09:46:50,774 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:46:50,774 INFO L514 BasicCegarLoop]: trace histogram [12, 12, 11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:46:50,775 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-18 09:46:50,775 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:46:50,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:46:50,775 INFO L85 PathProgramCache]: Analyzing trace with hash -1218892516, now seen corresponding path program 1 times [2021-12-18 09:46:50,776 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:46:50,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1568147274] [2021-12-18 09:46:50,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:46:50,776 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:46:50,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:50,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:46:50,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:50,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:50,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:46:50,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:50,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:50,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:50,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:46:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:50,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:50,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:50,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:46:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:50,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:50,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:50,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 09:46:50,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:50,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 09:46:50,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:50,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 09:46:50,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:50,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 09:46:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:50,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 09:46:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:50,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:46:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:50,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:50,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:50,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 09:46:50,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:50,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-18 09:46:50,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:50,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 09:46:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:50,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:50,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:50,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:46:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:50,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:46:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:50,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 09:46:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:50,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:50,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:46:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:50,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:46:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:50,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:46:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:50,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 09:46:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:51,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-12-18 09:46:51,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:51,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:46:51,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:51,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:51,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:46:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:51,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 09:46:51,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:51,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 09:46:51,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:51,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2021-12-18 09:46:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:51,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-12-18 09:46:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:51,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 270 [2021-12-18 09:46:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:51,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 09:46:51,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:51,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 09:46:51,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:51,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2021-12-18 09:46:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:51,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2021-12-18 09:46:51,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:51,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 09:46:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:51,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-18 09:46:51,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:51,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2021-12-18 09:46:51,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:51,103 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2021-12-18 09:46:51,103 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:46:51,103 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1568147274] [2021-12-18 09:46:51,104 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1568147274] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:46:51,104 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:46:51,104 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 09:46:51,104 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880205040] [2021-12-18 09:46:51,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:46:51,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 09:46:51,105 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:46:51,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 09:46:51,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 09:46:51,105 INFO L87 Difference]: Start difference. First operand 12927 states and 18519 transitions. Second operand has 6 states, 5 states have (on average 33.4) internal successors, (167), 3 states have internal predecessors, (167), 4 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2021-12-18 09:46:57,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:46:57,211 INFO L93 Difference]: Finished difference Result 31605 states and 45679 transitions. [2021-12-18 09:46:57,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 09:46:57,212 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 33.4) internal successors, (167), 3 states have internal predecessors, (167), 4 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) Word has length 330 [2021-12-18 09:46:57,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:46:57,287 INFO L225 Difference]: With dead ends: 31605 [2021-12-18 09:46:57,287 INFO L226 Difference]: Without dead ends: 18691 [2021-12-18 09:46:57,330 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 90 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 09:46:57,332 INFO L933 BasicCegarLoop]: 3413 mSDtfsCounter, 3158 mSDsluCounter, 3002 mSDsCounter, 0 mSdLazyCounter, 3356 mSolverCounterSat, 2969 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3667 SdHoareTripleChecker+Valid, 6415 SdHoareTripleChecker+Invalid, 6325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2969 IncrementalHoareTripleChecker+Valid, 3356 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2021-12-18 09:46:57,332 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3667 Valid, 6415 Invalid, 6325 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2969 Valid, 3356 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2021-12-18 09:46:57,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18691 states. [2021-12-18 09:46:58,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18691 to 17108. [2021-12-18 09:46:58,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17108 states, 10750 states have (on average 1.2794418604651163) internal successors, (13754), 11245 states have internal predecessors, (13754), 5422 states have call successors, (5422), 931 states have call predecessors, (5422), 935 states have return successors, (5450), 5237 states have call predecessors, (5450), 5422 states have call successors, (5450) [2021-12-18 09:46:58,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17108 states to 17108 states and 24626 transitions. [2021-12-18 09:46:58,266 INFO L78 Accepts]: Start accepts. Automaton has 17108 states and 24626 transitions. Word has length 330 [2021-12-18 09:46:58,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:46:58,267 INFO L470 AbstractCegarLoop]: Abstraction has 17108 states and 24626 transitions. [2021-12-18 09:46:58,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 33.4) internal successors, (167), 3 states have internal predecessors, (167), 4 states have call successors, (38), 5 states have call predecessors, (38), 1 states have return successors, (36), 3 states have call predecessors, (36), 4 states have call successors, (36) [2021-12-18 09:46:58,268 INFO L276 IsEmpty]: Start isEmpty. Operand 17108 states and 24626 transitions. [2021-12-18 09:46:58,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2021-12-18 09:46:58,278 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:46:58,278 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:46:58,279 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-18 09:46:58,279 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:46:58,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:46:58,279 INFO L85 PathProgramCache]: Analyzing trace with hash 451741938, now seen corresponding path program 1 times [2021-12-18 09:46:58,279 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:46:58,279 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216221483] [2021-12-18 09:46:58,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:46:58,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:46:58,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:46:58,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:58,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:46:58,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:46:58,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:58,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:46:58,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 09:46:58,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 09:46:58,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,414 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 09:46:58,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 09:46:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,420 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 09:46:58,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:46:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,429 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 09:46:58,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-18 09:46:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 09:46:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:58,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:46:58,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:46:58,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 09:46:58,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,462 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:58,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:46:58,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:46:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:46:58,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 09:46:58,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 09:46:58,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 09:46:58,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-18 09:46:58,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 09:46:58,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 09:46:58,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:46:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:46:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:46:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 09:46:58,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 09:46:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 09:46:58,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-18 09:46:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 09:46:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 09:46:58,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 09:46:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-18 09:46:58,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-18 09:46:58,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 09:46:58,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-12-18 09:46:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-12-18 09:46:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:46:58,585 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 673 trivial. 0 not checked. [2021-12-18 09:46:58,585 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:46:58,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216221483] [2021-12-18 09:46:58,585 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216221483] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:46:58,585 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:46:58,585 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 09:46:58,586 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748630490] [2021-12-18 09:46:58,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:46:58,587 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 09:46:58,587 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:46:58,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 09:46:58,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 09:46:58,587 INFO L87 Difference]: Start difference. First operand 17108 states and 24626 transitions. Second operand has 6 states, 5 states have (on average 36.0) internal successors, (180), 3 states have internal predecessors, (180), 4 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 4 states have call successors, (39) [2021-12-18 09:47:04,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:47:04,313 INFO L93 Difference]: Finished difference Result 38312 states and 55378 transitions. [2021-12-18 09:47:04,313 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 09:47:04,313 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 36.0) internal successors, (180), 3 states have internal predecessors, (180), 4 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 4 states have call successors, (39) Word has length 385 [2021-12-18 09:47:04,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:47:04,406 INFO L225 Difference]: With dead ends: 38312 [2021-12-18 09:47:04,406 INFO L226 Difference]: Without dead ends: 21217 [2021-12-18 09:47:04,463 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-12-18 09:47:04,464 INFO L933 BasicCegarLoop]: 3066 mSDtfsCounter, 3253 mSDsluCounter, 3163 mSDsCounter, 0 mSdLazyCounter, 3067 mSolverCounterSat, 3583 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3690 SdHoareTripleChecker+Valid, 6229 SdHoareTripleChecker+Invalid, 6650 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3583 IncrementalHoareTripleChecker+Valid, 3067 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-12-18 09:47:04,464 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3690 Valid, 6229 Invalid, 6650 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3583 Valid, 3067 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2021-12-18 09:47:04,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21217 states. [2021-12-18 09:47:05,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21217 to 19385. [2021-12-18 09:47:05,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19385 states, 12223 states have (on average 1.2789004336087704) internal successors, (15632), 12779 states have internal predecessors, (15632), 6089 states have call successors, (6089), 1068 states have call predecessors, (6089), 1072 states have return successors, (6117), 5884 states have call predecessors, (6117), 6089 states have call successors, (6117) [2021-12-18 09:47:05,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19385 states to 19385 states and 27838 transitions. [2021-12-18 09:47:05,467 INFO L78 Accepts]: Start accepts. Automaton has 19385 states and 27838 transitions. Word has length 385 [2021-12-18 09:47:05,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:47:05,467 INFO L470 AbstractCegarLoop]: Abstraction has 19385 states and 27838 transitions. [2021-12-18 09:47:05,468 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 36.0) internal successors, (180), 3 states have internal predecessors, (180), 4 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 4 states have call successors, (39) [2021-12-18 09:47:05,468 INFO L276 IsEmpty]: Start isEmpty. Operand 19385 states and 27838 transitions. [2021-12-18 09:47:05,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2021-12-18 09:47:05,478 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:47:05,478 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 13, 13, 13, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:47:05,478 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-18 09:47:05,478 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:47:05,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:47:05,479 INFO L85 PathProgramCache]: Analyzing trace with hash -1912099724, now seen corresponding path program 1 times [2021-12-18 09:47:05,479 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:47:05,479 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [306338238] [2021-12-18 09:47:05,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:47:05,479 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:47:05,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:47:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:05,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:47:05,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:47:05,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:05,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:47:05,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:05,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 09:47:05,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 09:47:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 09:47:05,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 09:47:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 09:47:05,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:47:05,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:05,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 09:47:05,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-18 09:47:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 09:47:05,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:05,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:47:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:47:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 09:47:05,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:05,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:47:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:47:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:47:05,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 09:47:05,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 09:47:05,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 09:47:05,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:05,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-18 09:47:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 09:47:05,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-18 09:47:05,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:47:05,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:47:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 09:47:05,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 09:47:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2021-12-18 09:47:05,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-18 09:47:05,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-12-18 09:47:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 09:47:05,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 09:47:05,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-18 09:47:05,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-18 09:47:05,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 09:47:05,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-12-18 09:47:05,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2021-12-18 09:47:05,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:05,756 INFO L134 CoverageAnalysis]: Checked inductivity of 720 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 673 trivial. 0 not checked. [2021-12-18 09:47:05,757 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:47:05,757 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [306338238] [2021-12-18 09:47:05,757 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [306338238] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:47:05,757 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:47:05,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 09:47:05,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [685126363] [2021-12-18 09:47:05,757 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:47:05,759 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 09:47:05,759 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:47:05,759 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 09:47:05,759 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 09:47:05,759 INFO L87 Difference]: Start difference. First operand 19385 states and 27838 transitions. Second operand has 6 states, 5 states have (on average 36.0) internal successors, (180), 3 states have internal predecessors, (180), 4 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 4 states have call successors, (39) [2021-12-18 09:47:11,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:47:11,489 INFO L93 Difference]: Finished difference Result 43163 states and 62250 transitions. [2021-12-18 09:47:11,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 09:47:11,490 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 36.0) internal successors, (180), 3 states have internal predecessors, (180), 4 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 4 states have call successors, (39) Word has length 385 [2021-12-18 09:47:11,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:47:11,604 INFO L225 Difference]: With dead ends: 43163 [2021-12-18 09:47:11,605 INFO L226 Difference]: Without dead ends: 23791 [2021-12-18 09:47:11,678 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-12-18 09:47:11,679 INFO L933 BasicCegarLoop]: 3204 mSDtfsCounter, 2637 mSDsluCounter, 3364 mSDsCounter, 0 mSdLazyCounter, 3165 mSolverCounterSat, 2484 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3074 SdHoareTripleChecker+Valid, 6568 SdHoareTripleChecker+Invalid, 5649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2484 IncrementalHoareTripleChecker+Valid, 3165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.8s IncrementalHoareTripleChecker+Time [2021-12-18 09:47:11,679 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3074 Valid, 6568 Invalid, 5649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2484 Valid, 3165 Invalid, 0 Unknown, 0 Unchecked, 4.8s Time] [2021-12-18 09:47:11,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23791 states. [2021-12-18 09:47:12,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23791 to 21710. [2021-12-18 09:47:12,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21710 states, 13736 states have (on average 1.278246942341293) internal successors, (17558), 14353 states have internal predecessors, (17558), 6760 states have call successors, (6760), 1209 states have call predecessors, (6760), 1213 states have return successors, (6788), 6535 states have call predecessors, (6788), 6760 states have call successors, (6788) [2021-12-18 09:47:12,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21710 states to 21710 states and 31106 transitions. [2021-12-18 09:47:12,827 INFO L78 Accepts]: Start accepts. Automaton has 21710 states and 31106 transitions. Word has length 385 [2021-12-18 09:47:12,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:47:12,828 INFO L470 AbstractCegarLoop]: Abstraction has 21710 states and 31106 transitions. [2021-12-18 09:47:12,828 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 36.0) internal successors, (180), 3 states have internal predecessors, (180), 4 states have call successors, (41), 5 states have call predecessors, (41), 1 states have return successors, (39), 3 states have call predecessors, (39), 4 states have call successors, (39) [2021-12-18 09:47:12,828 INFO L276 IsEmpty]: Start isEmpty. Operand 21710 states and 31106 transitions. [2021-12-18 09:47:12,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2021-12-18 09:47:12,840 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:47:12,841 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 14, 14, 14, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:47:12,841 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-18 09:47:12,841 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:47:12,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:47:12,842 INFO L85 PathProgramCache]: Analyzing trace with hash -229814904, now seen corresponding path program 1 times [2021-12-18 09:47:12,842 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:47:12,842 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264433163] [2021-12-18 09:47:12,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:47:12,842 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:47:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:12,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:47:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:12,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:12,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:12,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:47:12,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:12,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:12,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:47:13,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:47:13,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:13,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,015 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 09:47:13,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 09:47:13,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 09:47:13,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 09:47:13,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 09:47:13,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:47:13,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:13,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 09:47:13,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-18 09:47:13,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 09:47:13,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:13,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:47:13,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:47:13,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 09:47:13,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:47:13,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:47:13,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:47:13,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 09:47:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 09:47:13,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 09:47:13,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:13,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-18 09:47:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 09:47:13,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 09:47:13,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-18 09:47:13,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:13,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 09:47:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 09:47:13,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:47:13,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:13,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:47:13,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 09:47:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 09:47:13,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-18 09:47:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-18 09:47:13,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-12-18 09:47:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 09:47:13,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 09:47:13,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-12-18 09:47:13,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 386 [2021-12-18 09:47:13,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2021-12-18 09:47:13,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-18 09:47:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-12-18 09:47:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:13,245 INFO L134 CoverageAnalysis]: Checked inductivity of 919 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 856 trivial. 0 not checked. [2021-12-18 09:47:13,245 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:47:13,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [264433163] [2021-12-18 09:47:13,246 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [264433163] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:47:13,246 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:47:13,246 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 09:47:13,246 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366444231] [2021-12-18 09:47:13,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:47:13,247 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 09:47:13,247 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:47:13,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 09:47:13,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-18 09:47:13,248 INFO L87 Difference]: Start difference. First operand 21710 states and 31106 transitions. Second operand has 8 states, 7 states have (on average 26.571428571428573) internal successors, (186), 4 states have internal predecessors, (186), 4 states have call successors, (44), 5 states have call predecessors, (44), 2 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2021-12-18 09:47:21,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:47:21,433 INFO L93 Difference]: Finished difference Result 49113 states and 70700 transitions. [2021-12-18 09:47:21,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 09:47:21,435 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 26.571428571428573) internal successors, (186), 4 states have internal predecessors, (186), 4 states have call successors, (44), 5 states have call predecessors, (44), 2 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) Word has length 425 [2021-12-18 09:47:21,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:47:21,582 INFO L225 Difference]: With dead ends: 49113 [2021-12-18 09:47:21,583 INFO L226 Difference]: Without dead ends: 27416 [2021-12-18 09:47:21,651 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-12-18 09:47:21,652 INFO L933 BasicCegarLoop]: 3149 mSDtfsCounter, 2858 mSDsluCounter, 7499 mSDsCounter, 0 mSdLazyCounter, 6865 mSolverCounterSat, 2704 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3292 SdHoareTripleChecker+Valid, 10648 SdHoareTripleChecker+Invalid, 9569 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2704 IncrementalHoareTripleChecker+Valid, 6865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2021-12-18 09:47:21,652 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3292 Valid, 10648 Invalid, 9569 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2704 Valid, 6865 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2021-12-18 09:47:21,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27416 states. [2021-12-18 09:47:22,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27416 to 25010. [2021-12-18 09:47:22,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25010 states, 15802 states have (on average 1.2779395013289456) internal successors, (20194), 16513 states have internal predecessors, (20194), 7800 states have call successors, (7800), 1404 states have call predecessors, (7800), 1407 states have return successors, (7832), 7546 states have call predecessors, (7832), 7800 states have call successors, (7832) [2021-12-18 09:47:22,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25010 states to 25010 states and 35826 transitions. [2021-12-18 09:47:22,721 INFO L78 Accepts]: Start accepts. Automaton has 25010 states and 35826 transitions. Word has length 425 [2021-12-18 09:47:22,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:47:22,722 INFO L470 AbstractCegarLoop]: Abstraction has 25010 states and 35826 transitions. [2021-12-18 09:47:22,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 26.571428571428573) internal successors, (186), 4 states have internal predecessors, (186), 4 states have call successors, (44), 5 states have call predecessors, (44), 2 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2021-12-18 09:47:22,722 INFO L276 IsEmpty]: Start isEmpty. Operand 25010 states and 35826 transitions. [2021-12-18 09:47:22,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 428 [2021-12-18 09:47:22,733 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:47:22,733 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 14, 14, 14, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:47:22,733 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-18 09:47:22,734 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:47:22,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:47:22,734 INFO L85 PathProgramCache]: Analyzing trace with hash 1697290009, now seen corresponding path program 1 times [2021-12-18 09:47:22,734 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:47:22,734 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207190688] [2021-12-18 09:47:22,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:47:22,735 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:47:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:47:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:47:22,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:47:22,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:47:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:22,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 09:47:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 09:47:22,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 09:47:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 09:47:22,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 09:47:22,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:47:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:22,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 09:47:22,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-18 09:47:22,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 09:47:22,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:47:22,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:47:22,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 09:47:22,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:22,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:47:22,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:47:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:47:22,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 09:47:22,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 09:47:22,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 09:47:22,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:22,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-18 09:47:22,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 09:47:22,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 09:47:22,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-18 09:47:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:22,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-18 09:47:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 300 [2021-12-18 09:47:22,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:47:22,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:22,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:22,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:47:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:23,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 09:47:23,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:23,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 09:47:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:23,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 348 [2021-12-18 09:47:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:23,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2021-12-18 09:47:23,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:23,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-12-18 09:47:23,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:23,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 09:47:23,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:23,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 09:47:23,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:23,026 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-12-18 09:47:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:23,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2021-12-18 09:47:23,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:23,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-12-18 09:47:23,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:23,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2021-12-18 09:47:23,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:23,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2021-12-18 09:47:23,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:23,042 INFO L134 CoverageAnalysis]: Checked inductivity of 922 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 856 trivial. 0 not checked. [2021-12-18 09:47:23,042 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:47:23,042 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207190688] [2021-12-18 09:47:23,042 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207190688] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:47:23,042 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:47:23,042 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 09:47:23,042 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496803082] [2021-12-18 09:47:23,043 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:47:23,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 09:47:23,043 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:47:23,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 09:47:23,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-18 09:47:23,044 INFO L87 Difference]: Start difference. First operand 25010 states and 35826 transitions. Second operand has 8 states, 7 states have (on average 26.857142857142858) internal successors, (188), 4 states have internal predecessors, (188), 4 states have call successors, (44), 5 states have call predecessors, (44), 2 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2021-12-18 09:47:31,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:47:31,881 INFO L93 Difference]: Finished difference Result 54967 states and 79064 transitions. [2021-12-18 09:47:31,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 09:47:31,882 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 26.857142857142858) internal successors, (188), 4 states have internal predecessors, (188), 4 states have call successors, (44), 5 states have call predecessors, (44), 2 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) Word has length 427 [2021-12-18 09:47:31,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:47:32,015 INFO L225 Difference]: With dead ends: 54967 [2021-12-18 09:47:32,015 INFO L226 Difference]: Without dead ends: 29970 [2021-12-18 09:47:32,098 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-12-18 09:47:32,099 INFO L933 BasicCegarLoop]: 3212 mSDtfsCounter, 2001 mSDsluCounter, 8427 mSDsCounter, 0 mSdLazyCounter, 7438 mSolverCounterSat, 1463 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2437 SdHoareTripleChecker+Valid, 11639 SdHoareTripleChecker+Invalid, 8901 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1463 IncrementalHoareTripleChecker+Valid, 7438 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.6s IncrementalHoareTripleChecker+Time [2021-12-18 09:47:32,099 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2437 Valid, 11639 Invalid, 8901 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1463 Valid, 7438 Invalid, 0 Unknown, 0 Unchecked, 7.6s Time] [2021-12-18 09:47:32,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29970 states. [2021-12-18 09:47:33,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29970 to 27315. [2021-12-18 09:47:33,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27315 states, 17287 states have (on average 1.2774917568114768) internal successors, (22084), 18059 states have internal predecessors, (22084), 8471 states have call successors, (8471), 1549 states have call predecessors, (8471), 1556 states have return successors, (8507), 8201 states have call predecessors, (8507), 8471 states have call successors, (8507) [2021-12-18 09:47:33,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27315 states to 27315 states and 39062 transitions. [2021-12-18 09:47:33,600 INFO L78 Accepts]: Start accepts. Automaton has 27315 states and 39062 transitions. Word has length 427 [2021-12-18 09:47:33,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:47:33,600 INFO L470 AbstractCegarLoop]: Abstraction has 27315 states and 39062 transitions. [2021-12-18 09:47:33,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 26.857142857142858) internal successors, (188), 4 states have internal predecessors, (188), 4 states have call successors, (44), 5 states have call predecessors, (44), 2 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2021-12-18 09:47:33,600 INFO L276 IsEmpty]: Start isEmpty. Operand 27315 states and 39062 transitions. [2021-12-18 09:47:33,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2021-12-18 09:47:33,724 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:47:33,724 INFO L514 BasicCegarLoop]: trace histogram [16, 16, 14, 14, 14, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:47:33,724 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-18 09:47:33,725 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:47:33,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:47:33,725 INFO L85 PathProgramCache]: Analyzing trace with hash 332507454, now seen corresponding path program 1 times [2021-12-18 09:47:33,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:47:33,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1332096014] [2021-12-18 09:47:33,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:47:33,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:47:33,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:47:33,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:33,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:47:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:33,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:47:33,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:47:33,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:33,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 09:47:33,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 09:47:33,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 09:47:33,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 09:47:33,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 09:47:33,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:47:33,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:33,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 09:47:33,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-18 09:47:33,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 09:47:33,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:47:33,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:47:33,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 09:47:33,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:33,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:47:33,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:47:33,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:47:33,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 09:47:33,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 09:47:33,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 09:47:33,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-18 09:47:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 09:47:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 09:47:33,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-18 09:47:33,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:33,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-18 09:47:33,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-12-18 09:47:33,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:47:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,983 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:47:33,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 09:47:33,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 09:47:33,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-18 09:47:33,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:33,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-12-18 09:47:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:34,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 368 [2021-12-18 09:47:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:34,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 09:47:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:34,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 09:47:34,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:34,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-12-18 09:47:34,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:34,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-12-18 09:47:34,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:34,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-12-18 09:47:34,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:34,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-18 09:47:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:34,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2021-12-18 09:47:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:34,023 INFO L134 CoverageAnalysis]: Checked inductivity of 922 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 856 trivial. 0 not checked. [2021-12-18 09:47:34,024 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:47:34,024 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1332096014] [2021-12-18 09:47:34,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1332096014] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:47:34,024 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:47:34,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 09:47:34,024 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102694482] [2021-12-18 09:47:34,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:47:34,025 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 09:47:34,025 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:47:34,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 09:47:34,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-18 09:47:34,026 INFO L87 Difference]: Start difference. First operand 27315 states and 39062 transitions. Second operand has 8 states, 7 states have (on average 27.0) internal successors, (189), 4 states have internal predecessors, (189), 4 states have call successors, (44), 5 states have call predecessors, (44), 2 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2021-12-18 09:47:42,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:47:42,014 INFO L93 Difference]: Finished difference Result 59790 states and 85900 transitions. [2021-12-18 09:47:42,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 09:47:42,015 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 27.0) internal successors, (189), 4 states have internal predecessors, (189), 4 states have call successors, (44), 5 states have call predecessors, (44), 2 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) Word has length 428 [2021-12-18 09:47:42,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:47:42,144 INFO L225 Difference]: With dead ends: 59790 [2021-12-18 09:47:42,144 INFO L226 Difference]: Without dead ends: 32488 [2021-12-18 09:47:42,225 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-12-18 09:47:42,226 INFO L933 BasicCegarLoop]: 3210 mSDtfsCounter, 2599 mSDsluCounter, 7758 mSDsCounter, 0 mSdLazyCounter, 6742 mSolverCounterSat, 2482 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3034 SdHoareTripleChecker+Valid, 10968 SdHoareTripleChecker+Invalid, 9224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2482 IncrementalHoareTripleChecker+Valid, 6742 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2021-12-18 09:47:42,226 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3034 Valid, 10968 Invalid, 9224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2482 Valid, 6742 Invalid, 0 Unknown, 0 Unchecked, 6.5s Time] [2021-12-18 09:47:42,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32488 states. [2021-12-18 09:47:43,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32488 to 29584. [2021-12-18 09:47:43,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29584 states, 18752 states have (on average 1.277410409556314) internal successors, (23954), 19585 states have internal predecessors, (23954), 9138 states have call successors, (9138), 1686 states have call predecessors, (9138), 1693 states have return successors, (9174), 8848 states have call predecessors, (9174), 9138 states have call successors, (9174) [2021-12-18 09:47:43,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29584 states to 29584 states and 42266 transitions. [2021-12-18 09:47:43,606 INFO L78 Accepts]: Start accepts. Automaton has 29584 states and 42266 transitions. Word has length 428 [2021-12-18 09:47:43,606 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:47:43,607 INFO L470 AbstractCegarLoop]: Abstraction has 29584 states and 42266 transitions. [2021-12-18 09:47:43,607 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 27.0) internal successors, (189), 4 states have internal predecessors, (189), 4 states have call successors, (44), 5 states have call predecessors, (44), 2 states have return successors, (42), 4 states have call predecessors, (42), 4 states have call successors, (42) [2021-12-18 09:47:43,607 INFO L276 IsEmpty]: Start isEmpty. Operand 29584 states and 42266 transitions. [2021-12-18 09:47:43,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2021-12-18 09:47:43,617 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:47:43,618 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 14, 14, 14, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:47:43,618 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-12-18 09:47:43,618 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:47:43,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:47:43,619 INFO L85 PathProgramCache]: Analyzing trace with hash -1984509842, now seen corresponding path program 1 times [2021-12-18 09:47:43,619 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:47:43,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052803677] [2021-12-18 09:47:43,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:47:43,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:47:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:47:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:43,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:47:43,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:47:43,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:43,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:47:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 09:47:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 09:47:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 09:47:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 09:47:43,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 09:47:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:47:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 09:47:43,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-18 09:47:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 09:47:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:47:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:47:43,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 09:47:43,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:43,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:47:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:47:43,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:47:43,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 09:47:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 09:47:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 09:47:43,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:43,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-18 09:47:43,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 09:47:43,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 09:47:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-18 09:47:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 281 [2021-12-18 09:47:43,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 298 [2021-12-18 09:47:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-12-18 09:47:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:47:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:47:43,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 09:47:43,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 09:47:43,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 364 [2021-12-18 09:47:43,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2021-12-18 09:47:43,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-12-18 09:47:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 09:47:43,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 09:47:43,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 400 [2021-12-18 09:47:43,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-12-18 09:47:43,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-12-18 09:47:43,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-12-18 09:47:43,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2021-12-18 09:47:43,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:43,895 INFO L134 CoverageAnalysis]: Checked inductivity of 1021 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 939 trivial. 0 not checked. [2021-12-18 09:47:43,895 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:47:43,895 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052803677] [2021-12-18 09:47:43,895 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052803677] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:47:43,895 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:47:43,895 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 09:47:43,895 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2125131698] [2021-12-18 09:47:43,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:47:43,896 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 09:47:43,896 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:47:43,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 09:47:43,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 09:47:43,897 INFO L87 Difference]: Start difference. First operand 29584 states and 42266 transitions. Second operand has 6 states, 5 states have (on average 38.2) internal successors, (191), 3 states have internal predecessors, (191), 4 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) [2021-12-18 09:47:50,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:47:50,612 INFO L93 Difference]: Finished difference Result 65347 states and 93832 transitions. [2021-12-18 09:47:50,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 09:47:50,613 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 38.2) internal successors, (191), 3 states have internal predecessors, (191), 4 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) Word has length 443 [2021-12-18 09:47:50,613 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:47:50,775 INFO L225 Difference]: With dead ends: 65347 [2021-12-18 09:47:50,775 INFO L226 Difference]: Without dead ends: 35776 [2021-12-18 09:47:50,893 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-12-18 09:47:50,894 INFO L933 BasicCegarLoop]: 3260 mSDtfsCounter, 3426 mSDsluCounter, 3368 mSDsCounter, 0 mSdLazyCounter, 3125 mSolverCounterSat, 3678 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3863 SdHoareTripleChecker+Valid, 6628 SdHoareTripleChecker+Invalid, 6803 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3678 IncrementalHoareTripleChecker+Valid, 3125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2021-12-18 09:47:50,894 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3863 Valid, 6628 Invalid, 6803 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3678 Valid, 3125 Invalid, 0 Unknown, 0 Unchecked, 5.1s Time] [2021-12-18 09:47:50,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35776 states. [2021-12-18 09:47:52,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35776 to 32569. [2021-12-18 09:47:52,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32569 states, 20619 states have (on average 1.278141519957321) internal successors, (26354), 21545 states have internal predecessors, (26354), 10085 states have call successors, (10085), 1859 states have call predecessors, (10085), 1864 states have return successors, (10121), 9765 states have call predecessors, (10121), 10085 states have call successors, (10121) [2021-12-18 09:47:52,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32569 states to 32569 states and 46560 transitions. [2021-12-18 09:47:52,409 INFO L78 Accepts]: Start accepts. Automaton has 32569 states and 46560 transitions. Word has length 443 [2021-12-18 09:47:52,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:47:52,410 INFO L470 AbstractCegarLoop]: Abstraction has 32569 states and 46560 transitions. [2021-12-18 09:47:52,410 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 38.2) internal successors, (191), 3 states have internal predecessors, (191), 4 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) [2021-12-18 09:47:52,410 INFO L276 IsEmpty]: Start isEmpty. Operand 32569 states and 46560 transitions. [2021-12-18 09:47:52,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 450 [2021-12-18 09:47:52,422 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:47:52,423 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 14, 14, 14, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 09:47:52,423 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-12-18 09:47:52,423 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:47:52,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:47:52,423 INFO L85 PathProgramCache]: Analyzing trace with hash 1760137717, now seen corresponding path program 1 times [2021-12-18 09:47:52,423 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:47:52,424 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782437784] [2021-12-18 09:47:52,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:47:52,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:47:52,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:47:52,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:52,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:47:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:52,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:47:52,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:52,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:47:52,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:52,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 09:47:52,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 09:47:52,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 09:47:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 09:47:52,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 09:47:52,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:47:52,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:52,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 09:47:52,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-18 09:47:52,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 09:47:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:47:52,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:47:52,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,594 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 09:47:52,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:47:52,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:47:52,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:47:52,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,608 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 09:47:52,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 09:47:52,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 09:47:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:52,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-18 09:47:52,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 09:47:52,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 09:47:52,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-18 09:47:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-18 09:47:52,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-18 09:47:52,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2021-12-18 09:47:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:47:52,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:47:52,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:47:52,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 09:47:52,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 09:47:52,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2021-12-18 09:47:52,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2021-12-18 09:47:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2021-12-18 09:47:52,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 09:47:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 09:47:52,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2021-12-18 09:47:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,700 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2021-12-18 09:47:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-12-18 09:47:52,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-12-18 09:47:52,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-12-18 09:47:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:47:52,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1041 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 960 trivial. 0 not checked. [2021-12-18 09:47:52,711 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:47:52,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782437784] [2021-12-18 09:47:52,711 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782437784] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:47:52,711 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:47:52,712 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 09:47:52,712 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726609009] [2021-12-18 09:47:52,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:47:52,712 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 09:47:52,713 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:47:52,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 09:47:52,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 09:47:52,713 INFO L87 Difference]: Start difference. First operand 32569 states and 46560 transitions. Second operand has 6 states, 5 states have (on average 38.0) internal successors, (190), 3 states have internal predecessors, (190), 4 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) [2021-12-18 09:47:59,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:47:59,471 INFO L93 Difference]: Finished difference Result 70890 states and 101794 transitions. [2021-12-18 09:47:59,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 09:47:59,475 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 38.0) internal successors, (190), 3 states have internal predecessors, (190), 4 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) Word has length 449 [2021-12-18 09:47:59,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:47:59,636 INFO L225 Difference]: With dead ends: 70890 [2021-12-18 09:47:59,637 INFO L226 Difference]: Without dead ends: 38334 [2021-12-18 09:47:59,736 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-12-18 09:47:59,739 INFO L933 BasicCegarLoop]: 3220 mSDtfsCounter, 3221 mSDsluCounter, 3371 mSDsCounter, 0 mSdLazyCounter, 3064 mSolverCounterSat, 3498 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3658 SdHoareTripleChecker+Valid, 6591 SdHoareTripleChecker+Invalid, 6562 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3498 IncrementalHoareTripleChecker+Valid, 3064 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2021-12-18 09:47:59,739 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [3658 Valid, 6591 Invalid, 6562 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3498 Valid, 3064 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2021-12-18 09:47:59,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38334 states. [2021-12-18 09:48:01,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38334 to 34878. [2021-12-18 09:48:01,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34878 states, 22116 states have (on average 1.2779887863989872) internal successors, (28264), 23103 states have internal predecessors, (28264), 10756 states have call successors, (10756), 2000 states have call predecessors, (10756), 2005 states have return successors, (10792), 10416 states have call predecessors, (10792), 10756 states have call successors, (10792) [2021-12-18 09:48:01,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34878 states to 34878 states and 49812 transitions. [2021-12-18 09:48:01,370 INFO L78 Accepts]: Start accepts. Automaton has 34878 states and 49812 transitions. Word has length 449 [2021-12-18 09:48:01,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:48:01,371 INFO L470 AbstractCegarLoop]: Abstraction has 34878 states and 49812 transitions. [2021-12-18 09:48:01,371 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 38.0) internal successors, (190), 3 states have internal predecessors, (190), 4 states have call successors, (44), 5 states have call predecessors, (44), 1 states have return successors, (42), 3 states have call predecessors, (42), 4 states have call successors, (42) [2021-12-18 09:48:01,371 INFO L276 IsEmpty]: Start isEmpty. Operand 34878 states and 49812 transitions. [2021-12-18 09:48:01,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2021-12-18 09:48:01,382 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:48:01,384 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 15, 15, 15, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:48:01,384 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-12-18 09:48:01,384 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:48:01,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:48:01,385 INFO L85 PathProgramCache]: Analyzing trace with hash -1877291196, now seen corresponding path program 1 times [2021-12-18 09:48:01,385 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:48:01,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842571761] [2021-12-18 09:48:01,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:48:01,385 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:48:01,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:48:01,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:01,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:48:01,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:48:01,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:01,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:48:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:01,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 09:48:01,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 09:48:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 09:48:01,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 09:48:01,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 09:48:01,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:48:01,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:01,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 09:48:01,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-18 09:48:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 09:48:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:01,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:48:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:48:01,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 09:48:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:01,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:48:01,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:48:01,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:48:01,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 09:48:01,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 09:48:01,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 09:48:01,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:01,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-18 09:48:01,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 09:48:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 09:48:01,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-18 09:48:01,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-18 09:48:01,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-12-18 09:48:01,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:01,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2021-12-18 09:48:01,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2021-12-18 09:48:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:48:01,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:01,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:48:01,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 09:48:01,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,655 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 09:48:01,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2021-12-18 09:48:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-12-18 09:48:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-18 09:48:01,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 09:48:01,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 09:48:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2021-12-18 09:48:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-12-18 09:48:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2021-12-18 09:48:01,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2021-12-18 09:48:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2021-12-18 09:48:01,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:01,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1101 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1020 trivial. 0 not checked. [2021-12-18 09:48:01,692 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:48:01,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842571761] [2021-12-18 09:48:01,692 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842571761] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:48:01,693 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:48:01,693 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-18 09:48:01,693 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918311611] [2021-12-18 09:48:01,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:48:01,693 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-18 09:48:01,693 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:48:01,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-18 09:48:01,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-18 09:48:01,694 INFO L87 Difference]: Start difference. First operand 34878 states and 49812 transitions. Second operand has 6 states, 5 states have (on average 38.8) internal successors, (194), 3 states have internal predecessors, (194), 4 states have call successors, (46), 5 states have call predecessors, (46), 1 states have return successors, (44), 3 states have call predecessors, (44), 4 states have call successors, (44) [2021-12-18 09:48:09,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:48:09,777 INFO L93 Difference]: Finished difference Result 75705 states and 108618 transitions. [2021-12-18 09:48:09,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-12-18 09:48:09,778 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 38.8) internal successors, (194), 3 states have internal predecessors, (194), 4 states have call successors, (46), 5 states have call predecessors, (46), 1 states have return successors, (44), 3 states have call predecessors, (44), 4 states have call successors, (44) Word has length 463 [2021-12-18 09:48:09,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:48:09,939 INFO L225 Difference]: With dead ends: 75705 [2021-12-18 09:48:09,939 INFO L226 Difference]: Without dead ends: 40840 [2021-12-18 09:48:10,030 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-12-18 09:48:10,031 INFO L933 BasicCegarLoop]: 3211 mSDtfsCounter, 1999 mSDsluCounter, 4045 mSDsCounter, 0 mSdLazyCounter, 3840 mSolverCounterSat, 1461 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2436 SdHoareTripleChecker+Valid, 7256 SdHoareTripleChecker+Invalid, 5301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1461 IncrementalHoareTripleChecker+Valid, 3840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2021-12-18 09:48:10,031 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2436 Valid, 7256 Invalid, 5301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1461 Valid, 3840 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2021-12-18 09:48:10,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40840 states. [2021-12-18 09:48:11,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40840 to 37135. [2021-12-18 09:48:11,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 37135 states, 23569 states have (on average 1.2780347066061353) internal successors, (30122), 24617 states have internal predecessors, (30122), 11423 states have call successors, (11423), 2137 states have call predecessors, (11423), 2142 states have return successors, (11459), 11063 states have call predecessors, (11459), 11423 states have call successors, (11459) [2021-12-18 09:48:11,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37135 states to 37135 states and 53004 transitions. [2021-12-18 09:48:11,665 INFO L78 Accepts]: Start accepts. Automaton has 37135 states and 53004 transitions. Word has length 463 [2021-12-18 09:48:11,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:48:11,666 INFO L470 AbstractCegarLoop]: Abstraction has 37135 states and 53004 transitions. [2021-12-18 09:48:11,666 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 38.8) internal successors, (194), 3 states have internal predecessors, (194), 4 states have call successors, (46), 5 states have call predecessors, (46), 1 states have return successors, (44), 3 states have call predecessors, (44), 4 states have call successors, (44) [2021-12-18 09:48:11,666 INFO L276 IsEmpty]: Start isEmpty. Operand 37135 states and 53004 transitions. [2021-12-18 09:48:11,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2021-12-18 09:48:11,677 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:48:11,678 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 14, 14, 14, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:48:11,678 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-12-18 09:48:11,678 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:48:11,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:48:11,678 INFO L85 PathProgramCache]: Analyzing trace with hash -1779214613, now seen corresponding path program 1 times [2021-12-18 09:48:11,678 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:48:11,678 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112021977] [2021-12-18 09:48:11,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:48:11,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:48:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:11,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:48:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:11,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:11,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:48:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:11,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:11,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:11,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:48:11,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:11,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:11,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:11,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:48:11,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:11,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:11,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:11,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 09:48:11,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:11,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 09:48:11,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:11,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 09:48:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:11,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 09:48:11,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:11,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 09:48:11,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:11,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:48:11,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:11,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:11,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:11,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 09:48:11,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:11,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-18 09:48:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:11,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 09:48:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:11,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:11,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:11,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:48:11,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:11,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:48:11,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:11,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 09:48:11,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:11,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:11,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:11,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:48:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:11,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:48:11,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:11,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:48:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:11,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 09:48:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:11,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 09:48:11,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:11,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 09:48:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:11,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:11,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:11,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-18 09:48:11,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:11,943 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 09:48:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:11,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 09:48:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:12,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-18 09:48:12,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:12,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:12,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-18 09:48:12,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:12,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-18 09:48:12,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:12,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-18 09:48:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:12,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:12,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:12,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-18 09:48:12,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:12,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-18 09:48:12,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:12,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:48:12,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:12,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:12,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:12,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:48:12,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:12,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 09:48:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:12,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 09:48:12,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:12,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2021-12-18 09:48:12,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:12,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2021-12-18 09:48:12,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:12,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2021-12-18 09:48:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:12,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 09:48:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:12,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 09:48:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:12,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2021-12-18 09:48:12,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:12,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2021-12-18 09:48:12,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:12,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2021-12-18 09:48:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:12,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2021-12-18 09:48:12,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:12,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2021-12-18 09:48:12,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:12,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1245 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 1139 trivial. 0 not checked. [2021-12-18 09:48:12,274 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:48:12,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112021977] [2021-12-18 09:48:12,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112021977] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:48:12,274 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:48:12,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 09:48:12,275 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507617320] [2021-12-18 09:48:12,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:48:12,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 09:48:12,276 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:48:12,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 09:48:12,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-18 09:48:12,276 INFO L87 Difference]: Start difference. First operand 37135 states and 53004 transitions. Second operand has 8 states, 7 states have (on average 28.0) internal successors, (196), 4 states have internal predecessors, (196), 4 states have call successors, (45), 5 states have call predecessors, (45), 2 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) [2021-12-18 09:48:21,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:48:21,620 INFO L93 Difference]: Finished difference Result 81345 states and 116648 transitions. [2021-12-18 09:48:21,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 09:48:21,620 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 28.0) internal successors, (196), 4 states have internal predecessors, (196), 4 states have call successors, (45), 5 states have call predecessors, (45), 2 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) Word has length 482 [2021-12-18 09:48:21,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:48:21,804 INFO L225 Difference]: With dead ends: 81345 [2021-12-18 09:48:21,804 INFO L226 Difference]: Without dead ends: 44223 [2021-12-18 09:48:21,921 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-12-18 09:48:21,922 INFO L933 BasicCegarLoop]: 3000 mSDtfsCounter, 2281 mSDsluCounter, 8069 mSDsCounter, 0 mSdLazyCounter, 7322 mSolverCounterSat, 1678 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2717 SdHoareTripleChecker+Valid, 11069 SdHoareTripleChecker+Invalid, 9000 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1678 IncrementalHoareTripleChecker+Valid, 7322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.4s IncrementalHoareTripleChecker+Time [2021-12-18 09:48:21,923 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2717 Valid, 11069 Invalid, 9000 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1678 Valid, 7322 Invalid, 0 Unknown, 0 Unchecked, 7.4s Time] [2021-12-18 09:48:21,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44223 states. [2021-12-18 09:48:23,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44223 to 38014. [2021-12-18 09:48:23,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38014 states, 24073 states have (on average 1.277946246832551) internal successors, (30764), 25149 states have internal predecessors, (30764), 11735 states have call successors, (11735), 2196 states have call predecessors, (11735), 2205 states have return successors, (11775), 11371 states have call predecessors, (11775), 11735 states have call successors, (11775) [2021-12-18 09:48:24,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38014 states to 38014 states and 54274 transitions. [2021-12-18 09:48:24,055 INFO L78 Accepts]: Start accepts. Automaton has 38014 states and 54274 transitions. Word has length 482 [2021-12-18 09:48:24,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:48:24,055 INFO L470 AbstractCegarLoop]: Abstraction has 38014 states and 54274 transitions. [2021-12-18 09:48:24,055 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 28.0) internal successors, (196), 4 states have internal predecessors, (196), 4 states have call successors, (45), 5 states have call predecessors, (45), 2 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) [2021-12-18 09:48:24,055 INFO L276 IsEmpty]: Start isEmpty. Operand 38014 states and 54274 transitions. [2021-12-18 09:48:24,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2021-12-18 09:48:24,066 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:48:24,066 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 14, 14, 14, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:48:24,066 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-12-18 09:48:24,066 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:48:24,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:48:24,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1223850503, now seen corresponding path program 1 times [2021-12-18 09:48:24,067 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:48:24,067 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356338377] [2021-12-18 09:48:24,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:48:24,067 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:48:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:48:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:48:24,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:48:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:24,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:48:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:24,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 09:48:24,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 09:48:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 09:48:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 09:48:24,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 09:48:24,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:48:24,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:24,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 09:48:24,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-18 09:48:24,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 09:48:24,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:24,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:48:24,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:48:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 09:48:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:48:24,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:48:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:48:24,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 09:48:24,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 09:48:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 09:48:24,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:24,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-18 09:48:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 09:48:24,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 09:48:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-18 09:48:24,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-18 09:48:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-18 09:48:24,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-18 09:48:24,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:24,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2021-12-18 09:48:24,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-12-18 09:48:24,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:48:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:24,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:48:24,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 09:48:24,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 09:48:24,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-12-18 09:48:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-12-18 09:48:24,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-12-18 09:48:24,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 09:48:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 09:48:24,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2021-12-18 09:48:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-18 09:48:24,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2021-12-18 09:48:24,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-18 09:48:24,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-18 09:48:24,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:24,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1246 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 1140 trivial. 0 not checked. [2021-12-18 09:48:24,405 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:48:24,405 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356338377] [2021-12-18 09:48:24,407 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356338377] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:48:24,407 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-18 09:48:24,407 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-12-18 09:48:24,407 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737407139] [2021-12-18 09:48:24,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:48:24,408 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-12-18 09:48:24,408 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:48:24,408 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-12-18 09:48:24,408 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2021-12-18 09:48:24,409 INFO L87 Difference]: Start difference. First operand 38014 states and 54274 transitions. Second operand has 8 states, 7 states have (on average 28.0) internal successors, (196), 4 states have internal predecessors, (196), 4 states have call successors, (45), 5 states have call predecessors, (45), 2 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) [2021-12-18 09:48:33,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:48:33,807 INFO L93 Difference]: Finished difference Result 82292 states and 118002 transitions. [2021-12-18 09:48:33,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-18 09:48:33,807 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 28.0) internal successors, (196), 4 states have internal predecessors, (196), 4 states have call successors, (45), 5 states have call predecessors, (45), 2 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) Word has length 483 [2021-12-18 09:48:33,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:48:33,970 INFO L225 Difference]: With dead ends: 82292 [2021-12-18 09:48:33,970 INFO L226 Difference]: Without dead ends: 44291 [2021-12-18 09:48:34,082 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-12-18 09:48:34,084 INFO L933 BasicCegarLoop]: 3213 mSDtfsCounter, 2001 mSDsluCounter, 8434 mSDsCounter, 0 mSdLazyCounter, 7443 mSolverCounterSat, 1462 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2436 SdHoareTripleChecker+Valid, 11647 SdHoareTripleChecker+Invalid, 8905 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1462 IncrementalHoareTripleChecker+Valid, 7443 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2021-12-18 09:48:34,084 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2436 Valid, 11647 Invalid, 8905 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1462 Valid, 7443 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2021-12-18 09:48:34,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44291 states. [2021-12-18 09:48:35,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44291 to 38062. [2021-12-18 09:48:35,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38062 states, 24105 states have (on average 1.2775772661273594) internal successors, (30796), 25181 states have internal predecessors, (30796), 11739 states have call successors, (11739), 2204 states have call predecessors, (11739), 2217 states have return successors, (11783), 11379 states have call predecessors, (11783), 11739 states have call successors, (11783) [2021-12-18 09:48:36,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38062 states to 38062 states and 54318 transitions. [2021-12-18 09:48:36,028 INFO L78 Accepts]: Start accepts. Automaton has 38062 states and 54318 transitions. Word has length 483 [2021-12-18 09:48:36,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:48:36,029 INFO L470 AbstractCegarLoop]: Abstraction has 38062 states and 54318 transitions. [2021-12-18 09:48:36,029 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 28.0) internal successors, (196), 4 states have internal predecessors, (196), 4 states have call successors, (45), 5 states have call predecessors, (45), 2 states have return successors, (43), 4 states have call predecessors, (43), 4 states have call successors, (43) [2021-12-18 09:48:36,029 INFO L276 IsEmpty]: Start isEmpty. Operand 38062 states and 54318 transitions. [2021-12-18 09:48:36,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2021-12-18 09:48:36,041 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:48:36,041 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 14, 14, 14, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:48:36,042 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-12-18 09:48:36,042 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:48:36,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:48:36,042 INFO L85 PathProgramCache]: Analyzing trace with hash -999220043, now seen corresponding path program 1 times [2021-12-18 09:48:36,042 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:48:36,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738527878] [2021-12-18 09:48:36,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:48:36,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:48:36,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:48:36,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:36,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:48:36,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:36,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:48:36,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:36,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:48:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 09:48:36,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 09:48:36,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 09:48:36,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 09:48:36,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 09:48:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:48:36,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:36,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 09:48:36,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-18 09:48:36,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 09:48:36,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:36,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:48:36,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:48:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 09:48:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:36,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:48:36,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:48:36,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:48:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 09:48:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 09:48:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 09:48:36,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:36,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-18 09:48:36,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 09:48:36,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 09:48:36,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-18 09:48:36,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-18 09:48:36,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-18 09:48:36,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-18 09:48:36,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:36,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-18 09:48:36,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-12-18 09:48:36,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:48:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:36,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:48:36,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 09:48:36,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 09:48:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-12-18 09:48:36,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-12-18 09:48:36,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-12-18 09:48:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 09:48:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 09:48:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2021-12-18 09:48:36,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-18 09:48:36,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2021-12-18 09:48:36,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-18 09:48:36,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-18 09:48:36,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:36,671 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 127 proven. 28 refuted. 0 times theorem prover too weak. 1088 trivial. 0 not checked. [2021-12-18 09:48:36,671 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:48:36,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738527878] [2021-12-18 09:48:36,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738527878] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 09:48:36,671 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [346603132] [2021-12-18 09:48:36,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:48:36,672 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 09:48:36,672 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 09:48:36,673 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 09:48:36,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-12-18 09:48:37,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:37,362 INFO L263 TraceCheckSpWp]: Trace formula consists of 3383 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 09:48:37,379 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 09:48:38,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1243 trivial. 0 not checked. [2021-12-18 09:48:38,123 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 09:48:38,123 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [346603132] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:48:38,124 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 09:48:38,124 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11] total 12 [2021-12-18 09:48:38,124 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938601013] [2021-12-18 09:48:38,124 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:48:38,125 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 09:48:38,125 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:48:38,125 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 09:48:38,125 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-12-18 09:48:38,125 INFO L87 Difference]: Start difference. First operand 38062 states and 54318 transitions. Second operand has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 2 states have internal predecessors, (178), 1 states have call successors, (43), 1 states have call predecessors, (43), 2 states have return successors, (41), 2 states have call predecessors, (41), 1 states have call successors, (41) [2021-12-18 09:48:39,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:48:39,543 INFO L93 Difference]: Finished difference Result 76111 states and 109183 transitions. [2021-12-18 09:48:39,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 09:48:39,543 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 2 states have internal predecessors, (178), 1 states have call successors, (43), 1 states have call predecessors, (43), 2 states have return successors, (41), 2 states have call predecessors, (41), 1 states have call successors, (41) Word has length 483 [2021-12-18 09:48:39,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:48:39,688 INFO L225 Difference]: With dead ends: 76111 [2021-12-18 09:48:39,688 INFO L226 Difference]: Without dead ends: 38062 [2021-12-18 09:48:39,791 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 603 GetRequests, 593 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-12-18 09:48:39,794 INFO L933 BasicCegarLoop]: 2478 mSDtfsCounter, 2223 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2223 SdHoareTripleChecker+Valid, 2478 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 09:48:39,794 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2223 Valid, 2478 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 09:48:39,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38062 states. [2021-12-18 09:48:41,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38062 to 38062. [2021-12-18 09:48:41,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38062 states, 24105 states have (on average 1.275876374196225) internal successors, (30755), 25181 states have internal predecessors, (30755), 11739 states have call successors, (11739), 2204 states have call predecessors, (11739), 2217 states have return successors, (11783), 11379 states have call predecessors, (11783), 11739 states have call successors, (11783) [2021-12-18 09:48:41,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38062 states to 38062 states and 54277 transitions. [2021-12-18 09:48:41,786 INFO L78 Accepts]: Start accepts. Automaton has 38062 states and 54277 transitions. Word has length 483 [2021-12-18 09:48:41,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:48:41,786 INFO L470 AbstractCegarLoop]: Abstraction has 38062 states and 54277 transitions. [2021-12-18 09:48:41,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.333333333333336) internal successors, (178), 2 states have internal predecessors, (178), 1 states have call successors, (43), 1 states have call predecessors, (43), 2 states have return successors, (41), 2 states have call predecessors, (41), 1 states have call successors, (41) [2021-12-18 09:48:41,787 INFO L276 IsEmpty]: Start isEmpty. Operand 38062 states and 54277 transitions. [2021-12-18 09:48:41,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2021-12-18 09:48:41,799 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:48:41,800 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 14, 14, 14, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:48:41,825 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-12-18 09:48:42,025 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-12-18 09:48:42,026 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:48:42,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:48:42,026 INFO L85 PathProgramCache]: Analyzing trace with hash -363634364, now seen corresponding path program 1 times [2021-12-18 09:48:42,026 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:48:42,026 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276885211] [2021-12-18 09:48:42,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:48:42,026 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:48:42,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:48:42,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:42,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:48:42,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:42,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:48:42,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:42,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:48:42,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:42,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 09:48:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 09:48:42,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 09:48:42,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 09:48:42,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 09:48:42,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:48:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:42,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,190 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 09:48:42,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-18 09:48:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 09:48:42,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:48:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:48:42,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 09:48:42,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:48:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:48:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:48:42,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 09:48:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 09:48:42,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 09:48:42,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:42,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-18 09:48:42,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 09:48:42,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,239 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 09:48:42,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-18 09:48:42,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:42,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-18 09:48:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-18 09:48:42,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-18 09:48:42,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:42,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-18 09:48:42,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 357 [2021-12-18 09:48:42,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:48:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:42,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:48:42,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 09:48:42,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 09:48:42,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2021-12-18 09:48:42,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2021-12-18 09:48:42,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2021-12-18 09:48:42,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 09:48:42,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 09:48:42,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-12-18 09:48:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-12-18 09:48:42,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-12-18 09:48:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2021-12-18 09:48:42,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2021-12-18 09:48:42,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:42,397 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 134 proven. 30 refuted. 0 times theorem prover too weak. 1084 trivial. 0 not checked. [2021-12-18 09:48:42,397 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:48:42,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [276885211] [2021-12-18 09:48:42,397 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [276885211] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 09:48:42,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949018957] [2021-12-18 09:48:42,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:48:42,398 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 09:48:42,398 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 09:48:42,399 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 09:48:42,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-12-18 09:48:43,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:43,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 3385 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 09:48:43,047 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 09:48:43,833 INFO L134 CoverageAnalysis]: Checked inductivity of 1248 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1248 trivial. 0 not checked. [2021-12-18 09:48:43,833 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 09:48:43,833 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [949018957] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:48:43,833 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 09:48:43,833 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11] total 12 [2021-12-18 09:48:43,834 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019029316] [2021-12-18 09:48:43,834 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:48:43,834 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 09:48:43,834 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:48:43,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 09:48:43,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-12-18 09:48:43,835 INFO L87 Difference]: Start difference. First operand 38062 states and 54277 transitions. Second operand has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 2 states have internal predecessors, (179), 1 states have call successors, (43), 1 states have call predecessors, (43), 2 states have return successors, (41), 2 states have call predecessors, (41), 1 states have call successors, (41) [2021-12-18 09:48:45,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:48:45,277 INFO L93 Difference]: Finished difference Result 76111 states and 109101 transitions. [2021-12-18 09:48:45,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 09:48:45,277 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 2 states have internal predecessors, (179), 1 states have call successors, (43), 1 states have call predecessors, (43), 2 states have return successors, (41), 2 states have call predecessors, (41), 1 states have call successors, (41) Word has length 485 [2021-12-18 09:48:45,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:48:45,433 INFO L225 Difference]: With dead ends: 76111 [2021-12-18 09:48:45,433 INFO L226 Difference]: Without dead ends: 38062 [2021-12-18 09:48:45,563 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 605 GetRequests, 595 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-12-18 09:48:45,564 INFO L933 BasicCegarLoop]: 2477 mSDtfsCounter, 2221 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2221 SdHoareTripleChecker+Valid, 2477 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 09:48:45,564 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2221 Valid, 2477 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 09:48:45,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38062 states. [2021-12-18 09:48:47,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38062 to 38062. [2021-12-18 09:48:47,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38062 states, 24105 states have (on average 1.2741754822650901) internal successors, (30714), 25181 states have internal predecessors, (30714), 11739 states have call successors, (11739), 2204 states have call predecessors, (11739), 2217 states have return successors, (11783), 11379 states have call predecessors, (11783), 11739 states have call successors, (11783) [2021-12-18 09:48:47,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38062 states to 38062 states and 54236 transitions. [2021-12-18 09:48:47,534 INFO L78 Accepts]: Start accepts. Automaton has 38062 states and 54236 transitions. Word has length 485 [2021-12-18 09:48:47,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-18 09:48:47,535 INFO L470 AbstractCegarLoop]: Abstraction has 38062 states and 54236 transitions. [2021-12-18 09:48:47,535 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 59.666666666666664) internal successors, (179), 2 states have internal predecessors, (179), 1 states have call successors, (43), 1 states have call predecessors, (43), 2 states have return successors, (41), 2 states have call predecessors, (41), 1 states have call successors, (41) [2021-12-18 09:48:47,535 INFO L276 IsEmpty]: Start isEmpty. Operand 38062 states and 54236 transitions. [2021-12-18 09:48:47,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 486 [2021-12-18 09:48:47,546 INFO L506 BasicCegarLoop]: Found error trace [2021-12-18 09:48:47,547 INFO L514 BasicCegarLoop]: trace histogram [19, 19, 14, 14, 14, 8, 8, 8, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-18 09:48:47,568 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-12-18 09:48:47,756 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-12-18 09:48:47,757 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_check_alloc_flagsErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-18 09:48:47,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-18 09:48:47,757 INFO L85 PathProgramCache]: Analyzing trace with hash 1648369713, now seen corresponding path program 1 times [2021-12-18 09:48:47,757 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-18 09:48:47,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1463240830] [2021-12-18 09:48:47,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:48:47,758 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-18 09:48:47,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:48:47,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:47,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2021-12-18 09:48:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:47,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-12-18 09:48:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:47,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-12-18 09:48:47,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:47,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2021-12-18 09:48:47,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-12-18 09:48:47,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-12-18 09:48:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2021-12-18 09:48:47,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-12-18 09:48:47,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-12-18 09:48:47,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,911 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:47,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-12-18 09:48:47,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2021-12-18 09:48:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-12-18 09:48:47,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:48:47,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:48:47,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-12-18 09:48:47,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:47,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-18 09:48:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2021-12-18 09:48:47,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-12-18 09:48:47,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-12-18 09:48:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-18 09:48:47,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-12-18 09:48:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:47,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2021-12-18 09:48:47,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2021-12-18 09:48:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2021-12-18 09:48:47,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2021-12-18 09:48:47,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:47,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 283 [2021-12-18 09:48:47,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-12-18 09:48:47,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2021-12-18 09:48:47,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:47,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:47,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2021-12-18 09:48:47,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:48,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2021-12-18 09:48:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:48,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-12-18 09:48:48,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:48,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-18 09:48:48,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:48,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2021-12-18 09:48:48,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:48,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2021-12-18 09:48:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:48,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-12-18 09:48:48,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:48,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2021-12-18 09:48:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:48,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2021-12-18 09:48:48,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:48,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-12-18 09:48:48,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:48,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-12-18 09:48:48,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:48,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-12-18 09:48:48,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:48,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2021-12-18 09:48:48,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:48,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2021-12-18 09:48:48,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:48,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2021-12-18 09:48:48,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:48,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2021-12-18 09:48:48,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:48,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-12-18 09:48:48,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:48,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 127 proven. 28 refuted. 0 times theorem prover too weak. 1088 trivial. 0 not checked. [2021-12-18 09:48:48,095 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-18 09:48:48,095 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1463240830] [2021-12-18 09:48:48,096 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1463240830] provided 0 perfect and 1 imperfect interpolant sequences [2021-12-18 09:48:48,096 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1170990953] [2021-12-18 09:48:48,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-18 09:48:48,096 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-12-18 09:48:48,096 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-18 09:48:48,097 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-12-18 09:48:48,123 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-12-18 09:48:48,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-18 09:48:48,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 3385 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-18 09:48:48,877 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-18 09:48:49,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1243 trivial. 0 not checked. [2021-12-18 09:48:49,569 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-12-18 09:48:49,569 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1170990953] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-18 09:48:49,569 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-12-18 09:48:49,569 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11] total 12 [2021-12-18 09:48:49,569 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809294547] [2021-12-18 09:48:49,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-18 09:48:49,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-12-18 09:48:49,570 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-18 09:48:49,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-12-18 09:48:49,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-12-18 09:48:49,570 INFO L87 Difference]: Start difference. First operand 38062 states and 54236 transitions. Second operand has 3 states, 3 states have (on average 60.0) internal successors, (180), 2 states have internal predecessors, (180), 1 states have call successors, (43), 1 states have call predecessors, (43), 2 states have return successors, (41), 2 states have call predecessors, (41), 1 states have call successors, (41) [2021-12-18 09:48:50,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-18 09:48:50,951 INFO L93 Difference]: Finished difference Result 76111 states and 109019 transitions. [2021-12-18 09:48:50,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-12-18 09:48:50,951 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 60.0) internal successors, (180), 2 states have internal predecessors, (180), 1 states have call successors, (43), 1 states have call predecessors, (43), 2 states have return successors, (41), 2 states have call predecessors, (41), 1 states have call successors, (41) Word has length 485 [2021-12-18 09:48:50,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-18 09:48:51,116 INFO L225 Difference]: With dead ends: 76111 [2021-12-18 09:48:51,116 INFO L226 Difference]: Without dead ends: 38062 [2021-12-18 09:48:51,265 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 605 GetRequests, 595 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-12-18 09:48:51,265 INFO L933 BasicCegarLoop]: 2476 mSDtfsCounter, 2219 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2219 SdHoareTripleChecker+Valid, 2476 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-12-18 09:48:51,266 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2219 Valid, 2476 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-12-18 09:48:51,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38062 states.