./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 791161d1 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 7918e78c7fa8e57a6cd382ed800c3c73f2f498c616ea3e9ed6a8775509cf80ff --- Real Ultimate output --- This is Ultimate 0.2.2-?-791161d [2022-07-23 01:37:47,716 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-23 01:37:47,717 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-23 01:37:47,753 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-23 01:37:47,753 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-23 01:37:47,767 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-23 01:37:47,768 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-23 01:37:47,769 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-23 01:37:47,771 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-23 01:37:47,771 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-23 01:37:47,772 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-23 01:37:47,773 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-23 01:37:47,773 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-23 01:37:47,774 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-23 01:37:47,775 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-23 01:37:47,775 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-23 01:37:47,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-23 01:37:47,777 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-23 01:37:47,778 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-23 01:37:47,779 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-23 01:37:47,781 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-23 01:37:47,785 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-23 01:37:47,787 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-23 01:37:47,788 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-23 01:37:47,790 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-23 01:37:47,799 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-23 01:37:47,802 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-23 01:37:47,802 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-23 01:37:47,804 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-23 01:37:47,804 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-23 01:37:47,805 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-23 01:37:47,805 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-23 01:37:47,806 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-23 01:37:47,807 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-23 01:37:47,808 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-23 01:37:47,808 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-23 01:37:47,811 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-23 01:37:47,811 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-23 01:37:47,811 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-23 01:37:47,811 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-23 01:37:47,812 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-23 01:37:47,813 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-23 01:37:47,815 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2022-07-23 01:37:47,838 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-23 01:37:47,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-23 01:37:47,839 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-23 01:37:47,839 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-23 01:37:47,839 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-23 01:37:47,840 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-23 01:37:47,840 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-23 01:37:47,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-23 01:37:47,840 INFO L138 SettingsManager]: * Use SBE=true [2022-07-23 01:37:47,841 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-23 01:37:47,841 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-23 01:37:47,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-23 01:37:47,842 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-23 01:37:47,842 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-23 01:37:47,842 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-23 01:37:47,842 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-23 01:37:47,842 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-23 01:37:47,842 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-23 01:37:47,843 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-23 01:37:47,844 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-23 01:37:47,844 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-23 01:37:47,844 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:37:47,844 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-23 01:37:47,844 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-23 01:37:47,845 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-23 01:37:47,845 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-23 01:37:47,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-23 01:37:47,845 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-23 01:37:47,845 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-23 01:37:47,845 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-23 01:37:47,846 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7918e78c7fa8e57a6cd382ed800c3c73f2f498c616ea3e9ed6a8775509cf80ff [2022-07-23 01:37:48,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-23 01:37:48,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-23 01:37:48,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-23 01:37:48,078 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-23 01:37:48,079 INFO L275 PluginConnector]: CDTParser initialized [2022-07-23 01:37:48,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2022-07-23 01:37:48,126 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c12401b2/8887ced5bd804152b1f499d23211fbf6/FLAG2bd550ae8 [2022-07-23 01:37:48,828 INFO L306 CDTParser]: Found 1 translation units. [2022-07-23 01:37:48,829 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2022-07-23 01:37:48,883 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c12401b2/8887ced5bd804152b1f499d23211fbf6/FLAG2bd550ae8 [2022-07-23 01:37:49,157 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4c12401b2/8887ced5bd804152b1f499d23211fbf6 [2022-07-23 01:37:49,161 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-23 01:37:49,162 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-23 01:37:49,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-23 01:37:49,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-23 01:37:49,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-23 01:37:49,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:37:49" (1/1) ... [2022-07-23 01:37:49,170 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76b97559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:37:49, skipping insertion in model container [2022-07-23 01:37:49,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.07 01:37:49" (1/1) ... [2022-07-23 01:37:49,175 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-23 01:37:49,297 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-23 01:37:50,964 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i[325202,325215] [2022-07-23 01:37:51,033 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:37:51,095 INFO L203 MainTranslator]: Completed pre-run [2022-07-23 01:37:51,399 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i[325202,325215] [2022-07-23 01:37:51,413 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-23 01:37:51,525 INFO L208 MainTranslator]: Completed translation [2022-07-23 01:37:51,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:37:51 WrapperNode [2022-07-23 01:37:51,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-23 01:37:51,528 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-23 01:37:51,528 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-23 01:37:51,528 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-23 01:37:51,534 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:37:51" (1/1) ... [2022-07-23 01:37:51,616 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:37:51" (1/1) ... [2022-07-23 01:37:51,765 INFO L137 Inliner]: procedures = 336, calls = 2288, calls flagged for inlining = 154, calls inlined = 152, statements flattened = 5863 [2022-07-23 01:37:51,766 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-23 01:37:51,767 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-23 01:37:51,767 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-23 01:37:51,767 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-23 01:37:51,773 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:37:51" (1/1) ... [2022-07-23 01:37:51,773 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:37:51" (1/1) ... [2022-07-23 01:37:51,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:37:51" (1/1) ... [2022-07-23 01:37:51,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:37:51" (1/1) ... [2022-07-23 01:37:51,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:37:51" (1/1) ... [2022-07-23 01:37:51,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:37:51" (1/1) ... [2022-07-23 01:37:52,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:37:51" (1/1) ... [2022-07-23 01:37:52,107 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-23 01:37:52,109 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-23 01:37:52,109 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-23 01:37:52,109 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-23 01:37:52,110 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:37:51" (1/1) ... [2022-07-23 01:37:52,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-23 01:37:52,123 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:37:52,140 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) [2022-07-23 01:37:52,158 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 [2022-07-23 01:37:52,174 INFO L130 BoogieDeclarations]: Found specification of procedure find_comp_entry [2022-07-23 01:37:52,174 INFO L138 BoogieDeclarations]: Found implementation of procedure find_comp_entry [2022-07-23 01:37:52,174 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-07-23 01:37:52,174 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2022-07-23 01:37:52,174 INFO L130 BoogieDeclarations]: Found specification of procedure skb_dequeue [2022-07-23 01:37:52,175 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_dequeue [2022-07-23 01:37:52,175 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2022-07-23 01:37:52,175 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2022-07-23 01:37:52,175 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2022-07-23 01:37:52,175 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2022-07-23 01:37:52,175 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2022-07-23 01:37:52,176 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-07-23 01:37:52,176 INFO L130 BoogieDeclarations]: Found specification of procedure alloc_skb [2022-07-23 01:37:52,176 INFO L138 BoogieDeclarations]: Found implementation of procedure alloc_skb [2022-07-23 01:37:52,176 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-07-23 01:37:52,176 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-07-23 01:37:52,176 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-07-23 01:37:52,177 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-07-23 01:37:52,177 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-07-23 01:37:52,177 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_head_init [2022-07-23 01:37:52,177 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_head_init [2022-07-23 01:37:52,177 INFO L130 BoogieDeclarations]: Found specification of procedure skb_push [2022-07-23 01:37:52,177 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_push [2022-07-23 01:37:52,177 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_xmit_process [2022-07-23 01:37:52,177 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_xmit_process [2022-07-23 01:37:52,178 INFO L130 BoogieDeclarations]: Found specification of procedure __skb_unlink [2022-07-23 01:37:52,178 INFO L138 BoogieDeclarations]: Found implementation of procedure __skb_unlink [2022-07-23 01:37:52,178 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_shutdown_interface [2022-07-23 01:37:52,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_shutdown_interface [2022-07-23 01:37:52,178 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_interface [2022-07-23 01:37:52,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_interface [2022-07-23 01:37:52,178 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-07-23 01:37:52,178 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-07-23 01:37:52,178 INFO L130 BoogieDeclarations]: Found specification of procedure debug_lockdep_rcu_enabled [2022-07-23 01:37:52,179 INFO L138 BoogieDeclarations]: Found implementation of procedure debug_lockdep_rcu_enabled [2022-07-23 01:37:52,179 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-07-23 01:37:52,179 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-07-23 01:37:52,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-07-23 01:37:52,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-07-23 01:37:52,179 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-07-23 01:37:52,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-07-23 01:37:52,180 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2022-07-23 01:37:52,180 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2022-07-23 01:37:52,180 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_destroy [2022-07-23 01:37:52,180 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_destroy [2022-07-23 01:37:52,180 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_push [2022-07-23 01:37:52,180 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_push [2022-07-23 01:37:52,180 INFO L130 BoogieDeclarations]: Found specification of procedure unit_find [2022-07-23 01:37:52,181 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_find [2022-07-23 01:37:52,181 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-07-23 01:37:52,181 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-07-23 01:37:52,181 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-07-23 01:37:52,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-07-23 01:37:52,181 INFO L130 BoogieDeclarations]: Found specification of procedure put_unaligned_be16 [2022-07-23 01:37:52,182 INFO L138 BoogieDeclarations]: Found implementation of procedure put_unaligned_be16 [2022-07-23 01:37:52,182 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2022-07-23 01:37:52,182 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2022-07-23 01:37:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-07-23 01:37:52,183 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-07-23 01:37:52,183 INFO L130 BoogieDeclarations]: Found specification of procedure init_ppp_file [2022-07-23 01:37:52,183 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ppp_file [2022-07-23 01:37:52,184 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-07-23 01:37:52,184 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-07-23 01:37:52,184 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-07-23 01:37:52,184 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-07-23 01:37:52,184 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2022-07-23 01:37:52,184 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2022-07-23 01:37:52,184 INFO L130 BoogieDeclarations]: Found specification of procedure skb_peek [2022-07-23 01:37:52,185 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_peek [2022-07-23 01:37:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_release [2022-07-23 01:37:52,185 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_release [2022-07-23 01:37:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-07-23 01:37:52,185 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-07-23 01:37:52,185 INFO L130 BoogieDeclarations]: Found specification of procedure get_filter [2022-07-23 01:37:52,185 INFO L138 BoogieDeclarations]: Found implementation of procedure get_filter [2022-07-23 01:37:52,186 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-07-23 01:37:52,186 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2022-07-23 01:37:52,186 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2022-07-23 01:37:52,186 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_empty [2022-07-23 01:37:52,186 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_empty [2022-07-23 01:37:52,186 INFO L130 BoogieDeclarations]: Found specification of procedure module_put [2022-07-23 01:37:52,186 INFO L138 BoogieDeclarations]: Found implementation of procedure module_put [2022-07-23 01:37:52,186 INFO L130 BoogieDeclarations]: Found specification of procedure bpf_prog_create [2022-07-23 01:37:52,186 INFO L138 BoogieDeclarations]: Found implementation of procedure bpf_prog_create [2022-07-23 01:37:52,186 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-07-23 01:37:52,186 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_get_stats64 [2022-07-23 01:37:52,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_get_stats64 [2022-07-23 01:37:52,186 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec_and_test [2022-07-23 01:37:52,186 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec_and_test [2022-07-23 01:37:52,186 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2022-07-23 01:37:52,186 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2022-07-23 01:37:52,186 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_send_frame [2022-07-23 01:37:52,186 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_send_frame [2022-07-23 01:37:52,186 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-07-23 01:37:52,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-07-23 01:37:52,187 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-07-23 01:37:52,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-07-23 01:37:52,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-07-23 01:37:52,187 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-07-23 01:37:52,187 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_error [2022-07-23 01:37:52,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_error [2022-07-23 01:37:52,187 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_find_unit [2022-07-23 01:37:52,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_find_unit [2022-07-23 01:37:52,187 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-07-23 01:37:52,187 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-07-23 01:37:52,187 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-07-23 01:37:52,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-07-23 01:37:52,187 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2022-07-23 01:37:52,187 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2022-07-23 01:37:52,187 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-07-23 01:37:52,187 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-07-23 01:37:52,187 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2022-07-23 01:37:52,187 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2022-07-23 01:37:52,187 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_channel_push [2022-07-23 01:37:52,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_channel_push [2022-07-23 01:37:52,188 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-07-23 01:37:52,188 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-07-23 01:37:52,188 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-07-23 01:37:52,188 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-07-23 01:37:52,188 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-07-23 01:37:52,188 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-07-23 01:37:52,188 INFO L130 BoogieDeclarations]: Found specification of procedure find_compressor [2022-07-23 01:37:52,188 INFO L138 BoogieDeclarations]: Found implementation of procedure find_compressor [2022-07-23 01:37:52,188 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_pernet [2022-07-23 01:37:52,188 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_pernet [2022-07-23 01:37:52,188 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-07-23 01:37:52,188 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-07-23 01:37:52,188 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2022-07-23 01:37:52,188 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2022-07-23 01:37:52,188 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-07-23 01:37:52,188 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_pernet_device [2022-07-23 01:37:52,188 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_pernet_device [2022-07-23 01:37:52,188 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2022-07-23 01:37:52,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2022-07-23 01:37:52,189 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_disconnect_channel [2022-07-23 01:37:52,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_disconnect_channel [2022-07-23 01:37:52,189 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_net_ioctl [2022-07-23 01:37:52,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_net_ioctl [2022-07-23 01:37:52,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-07-23 01:37:52,189 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2022-07-23 01:37:52,189 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2022-07-23 01:37:52,189 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-07-23 01:37:52,189 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-07-23 01:37:52,189 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-07-23 01:37:52,189 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-07-23 01:37:52,189 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-07-23 01:37:52,189 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headroom [2022-07-23 01:37:52,189 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headroom [2022-07-23 01:37:52,189 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_output_wakeup [2022-07-23 01:37:52,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_output_wakeup [2022-07-23 01:37:52,189 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_exit_net [2022-07-23 01:37:52,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_exit_net [2022-07-23 01:37:52,189 INFO L130 BoogieDeclarations]: Found specification of procedure slhc_free [2022-07-23 01:37:52,189 INFO L138 BoogieDeclarations]: Found implementation of procedure slhc_free [2022-07-23 01:37:52,190 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-07-23 01:37:52,190 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-07-23 01:37:52,190 INFO L130 BoogieDeclarations]: Found specification of procedure skb_cloned [2022-07-23 01:37:52,190 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_cloned [2022-07-23 01:37:52,190 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_do_recv [2022-07-23 01:37:52,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_do_recv [2022-07-23 01:37:52,190 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_unregister_channel [2022-07-23 01:37:52,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_unregister_channel [2022-07-23 01:37:52,190 INFO L130 BoogieDeclarations]: Found specification of procedure get_unaligned_be16 [2022-07-23 01:37:52,190 INFO L138 BoogieDeclarations]: Found implementation of procedure get_unaligned_be16 [2022-07-23 01:37:52,190 INFO L130 BoogieDeclarations]: Found specification of procedure rcu_is_watching [2022-07-23 01:37:52,190 INFO L138 BoogieDeclarations]: Found implementation of procedure rcu_is_watching [2022-07-23 01:37:52,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-07-23 01:37:52,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-07-23 01:37:52,190 INFO L130 BoogieDeclarations]: Found specification of procedure proto_to_npindex [2022-07-23 01:37:52,190 INFO L138 BoogieDeclarations]: Found implementation of procedure proto_to_npindex [2022-07-23 01:37:52,190 INFO L130 BoogieDeclarations]: Found specification of procedure net_generic [2022-07-23 01:37:52,190 INFO L138 BoogieDeclarations]: Found implementation of procedure net_generic [2022-07-23 01:37:52,190 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_39 [2022-07-23 01:37:52,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_39 [2022-07-23 01:37:52,190 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-07-23 01:37:52,191 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-07-23 01:37:52,191 INFO L130 BoogieDeclarations]: Found specification of procedure unit_put [2022-07-23 01:37:52,191 INFO L138 BoogieDeclarations]: Found implementation of procedure unit_put [2022-07-23 01:37:52,191 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_receive_nonmp_frame [2022-07-23 01:37:52,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_receive_nonmp_frame [2022-07-23 01:37:52,191 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_purge [2022-07-23 01:37:52,191 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_purge [2022-07-23 01:37:52,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-07-23 01:37:52,191 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-07-23 01:37:52,191 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-07-23 01:37:52,191 INFO L130 BoogieDeclarations]: Found specification of procedure skb_pull [2022-07-23 01:37:52,191 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_pull [2022-07-23 01:37:52,191 INFO L130 BoogieDeclarations]: Found specification of procedure net_ratelimit [2022-07-23 01:37:52,191 INFO L138 BoogieDeclarations]: Found implementation of procedure net_ratelimit [2022-07-23 01:37:52,191 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_write [2022-07-23 01:37:52,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_write [2022-07-23 01:37:52,191 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-07-23 01:37:52,191 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-07-23 01:37:52,191 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-07-23 01:37:52,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-07-23 01:37:52,192 INFO L130 BoogieDeclarations]: Found specification of procedure __read_once_size [2022-07-23 01:37:52,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __read_once_size [2022-07-23 01:37:52,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-07-23 01:37:52,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-07-23 01:37:52,192 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_closed [2022-07-23 01:37:52,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_closed [2022-07-23 01:37:52,192 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_open [2022-07-23 01:37:52,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_open [2022-07-23 01:37:52,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-07-23 01:37:52,192 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-07-23 01:37:52,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-07-23 01:37:52,192 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-07-23 01:37:52,192 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-07-23 01:37:52,192 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2022-07-23 01:37:52,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2022-07-23 01:37:52,193 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-23 01:37:52,193 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2022-07-23 01:37:52,193 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2022-07-23 01:37:52,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-07-23 01:37:52,193 INFO L130 BoogieDeclarations]: Found specification of procedure lockdep_rcu_suspicious [2022-07-23 01:37:52,193 INFO L138 BoogieDeclarations]: Found implementation of procedure lockdep_rcu_suspicious [2022-07-23 01:37:52,193 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-07-23 01:37:52,193 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2022-07-23 01:37:52,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~$Pointer$ [2022-07-23 01:37:52,193 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 01:37:52,193 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-07-23 01:37:52,193 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2022-07-23 01:37:52,193 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2022-07-23 01:37:52,193 INFO L130 BoogieDeclarations]: Found specification of procedure idr_alloc [2022-07-23 01:37:52,193 INFO L138 BoogieDeclarations]: Found implementation of procedure idr_alloc [2022-07-23 01:37:52,193 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2022-07-23 01:37:52,193 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2022-07-23 01:37:52,193 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-07-23 01:37:52,193 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-07-23 01:37:52,194 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2022-07-23 01:37:52,194 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2022-07-23 01:37:52,194 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_long_read [2022-07-23 01:37:52,194 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_long_read [2022-07-23 01:37:52,194 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2022-07-23 01:37:52,194 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2022-07-23 01:37:52,194 INFO L130 BoogieDeclarations]: Found specification of procedure skb_queue_tail [2022-07-23 01:37:52,194 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_queue_tail [2022-07-23 01:37:52,194 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-07-23 01:37:52,194 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-07-23 01:37:52,194 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_register_net_channel [2022-07-23 01:37:52,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_register_net_channel [2022-07-23 01:37:52,194 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-07-23 01:37:52,194 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-07-23 01:37:52,194 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_mp_explode [2022-07-23 01:37:52,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_mp_explode [2022-07-23 01:37:52,194 INFO L130 BoogieDeclarations]: Found specification of procedure pskb_may_pull [2022-07-23 01:37:52,194 INFO L138 BoogieDeclarations]: Found implementation of procedure pskb_may_pull [2022-07-23 01:37:52,194 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-23 01:37:52,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-07-23 01:37:52,195 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ioctl [2022-07-23 01:37:52,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ioctl [2022-07-23 01:37:52,195 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_ccp_peek [2022-07-23 01:37:52,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_ccp_peek [2022-07-23 01:37:52,195 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_poll [2022-07-23 01:37:52,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_poll [2022-07-23 01:37:52,195 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-23 01:37:52,195 INFO L130 BoogieDeclarations]: Found specification of procedure ppp_destroy_channel [2022-07-23 01:37:52,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ppp_destroy_channel [2022-07-23 01:37:52,195 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-23 01:37:52,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2022-07-23 01:37:52,195 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-23 01:37:52,195 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-23 01:37:52,195 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2022-07-23 01:37:52,195 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2022-07-23 01:37:52,195 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-07-23 01:37:52,195 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-07-23 01:37:52,936 INFO L234 CfgBuilder]: Building ICFG [2022-07-23 01:37:52,941 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-23 01:37:53,439 INFO L764 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-07-23 01:37:56,112 INFO L275 CfgBuilder]: Performing block encoding [2022-07-23 01:37:56,127 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-23 01:37:56,128 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-07-23 01:37:56,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:37:56 BoogieIcfgContainer [2022-07-23 01:37:56,131 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-23 01:37:56,133 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-23 01:37:56,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-23 01:37:56,136 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-23 01:37:56,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.07 01:37:49" (1/3) ... [2022-07-23 01:37:56,136 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@565e1f6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:37:56, skipping insertion in model container [2022-07-23 01:37:56,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.07 01:37:51" (2/3) ... [2022-07-23 01:37:56,137 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@565e1f6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:37:56, skipping insertion in model container [2022-07-23 01:37:56,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:37:56" (3/3) ... [2022-07-23 01:37:56,138 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ppp--ppp_generic.ko-entry_point.cil.out.i [2022-07-23 01:37:56,148 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-23 01:37:56,148 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-23 01:37:56,261 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-23 01:37:56,267 INFO L357 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, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4bf1bac5, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@9455cf4 [2022-07-23 01:37:56,268 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-23 01:37:56,278 INFO L276 IsEmpty]: Start isEmpty. Operand has 2136 states, 1495 states have (on average 1.3839464882943144) internal successors, (2069), 1564 states have internal predecessors, (2069), 516 states have call successors, (516), 124 states have call predecessors, (516), 123 states have return successors, (511), 491 states have call predecessors, (511), 511 states have call successors, (511) [2022-07-23 01:37:56,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-07-23 01:37:56,301 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:37:56,302 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:37:56,303 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:37:56,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:37:56,306 INFO L85 PathProgramCache]: Analyzing trace with hash 1518773854, now seen corresponding path program 1 times [2022-07-23 01:37:56,312 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:37:56,313 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205115364] [2022-07-23 01:37:56,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:37:56,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:37:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:56,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:37:56,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:56,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:37:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:56,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:37:56,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:56,886 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:37:56,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:56,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:37:56,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:56,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:37:56,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:56,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:37:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:56,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:37:56,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:56,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:37:56,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:56,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:37:56,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:56,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:37:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:56,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:37:56,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:56,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:37:56,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:56,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:37:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:57,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:37:57,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:57,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:37:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:57,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:37:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:57,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:37:57,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:57,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:37:57,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:57,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:37:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:57,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:37:57,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:57,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:37:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:57,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:37:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:57,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:37:57,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:57,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 01:37:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:57,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:37:57,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:57,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-23 01:37:57,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:57,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:37:57,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:57,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 01:37:57,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:57,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:37:57,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:57,145 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-23 01:37:57,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:57,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:37:57,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:57,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-23 01:37:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:57,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:37:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:57,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 01:37:57,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:57,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:37:57,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:57,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 01:37:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:57,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:37:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:37:57,235 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2022-07-23 01:37:57,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:37:57,237 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205115364] [2022-07-23 01:37:57,238 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [205115364] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:37:57,239 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:37:57,239 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-23 01:37:57,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734487261] [2022-07-23 01:37:57,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:37:57,248 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 01:37:57,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:37:57,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 01:37:57,280 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-07-23 01:37:57,285 INFO L87 Difference]: Start difference. First operand has 2136 states, 1495 states have (on average 1.3839464882943144) internal successors, (2069), 1564 states have internal predecessors, (2069), 516 states have call successors, (516), 124 states have call predecessors, (516), 123 states have return successors, (511), 491 states have call predecessors, (511), 511 states have call successors, (511) Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-23 01:38:02,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:38:02,023 INFO L93 Difference]: Finished difference Result 4820 states and 7294 transitions. [2022-07-23 01:38:02,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-23 01:38:02,026 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 225 [2022-07-23 01:38:02,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:38:02,060 INFO L225 Difference]: With dead ends: 4820 [2022-07-23 01:38:02,060 INFO L226 Difference]: Without dead ends: 2661 [2022-07-23 01:38:02,078 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:38:02,082 INFO L413 NwaCegarLoop]: 2892 mSDtfsCounter, 1912 mSDsluCounter, 2561 mSDsCounter, 0 mSdLazyCounter, 2193 mSolverCounterSat, 1460 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2028 SdHoareTripleChecker+Valid, 5453 SdHoareTripleChecker+Invalid, 3653 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1460 IncrementalHoareTripleChecker+Valid, 2193 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.4s IncrementalHoareTripleChecker+Time [2022-07-23 01:38:02,082 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2028 Valid, 5453 Invalid, 3653 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1460 Valid, 2193 Invalid, 0 Unknown, 0 Unchecked, 4.4s Time] [2022-07-23 01:38:02,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2661 states. [2022-07-23 01:38:02,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2661 to 2108. [2022-07-23 01:38:02,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2108 states, 1478 states have (on average 1.3687415426251692) internal successors, (2023), 1540 states have internal predecessors, (2023), 507 states have call successors, (507), 123 states have call predecessors, (507), 122 states have return successors, (506), 486 states have call predecessors, (506), 506 states have call successors, (506) [2022-07-23 01:38:02,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2108 states to 2108 states and 3036 transitions. [2022-07-23 01:38:02,272 INFO L78 Accepts]: Start accepts. Automaton has 2108 states and 3036 transitions. Word has length 225 [2022-07-23 01:38:02,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:38:02,273 INFO L495 AbstractCegarLoop]: Abstraction has 2108 states and 3036 transitions. [2022-07-23 01:38:02,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (22), 5 states have call predecessors, (22), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-07-23 01:38:02,273 INFO L276 IsEmpty]: Start isEmpty. Operand 2108 states and 3036 transitions. [2022-07-23 01:38:02,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2022-07-23 01:38:02,279 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:38:02,279 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:38:02,280 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-23 01:38:02,280 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:38:02,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:38:02,280 INFO L85 PathProgramCache]: Analyzing trace with hash 119169102, now seen corresponding path program 1 times [2022-07-23 01:38:02,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:38:02,281 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [539958340] [2022-07-23 01:38:02,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:38:02,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:38:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:38:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,522 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:02,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:38:02,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:02,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:02,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:38:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:02,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:02,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:38:02,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:02,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:02,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:38:02,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:38:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:02,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:02,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:38:02,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:02,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:38:02,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 01:38:02,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:02,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-23 01:38:02,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 01:38:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:02,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-23 01:38:02,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:02,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-23 01:38:02,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 01:38:02,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:02,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 01:38:02,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:02,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:02,799 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2022-07-23 01:38:02,799 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:38:02,799 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [539958340] [2022-07-23 01:38:02,800 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [539958340] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:38:02,800 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:38:02,800 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 01:38:02,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708220857] [2022-07-23 01:38:02,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:38:02,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 01:38:02,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:38:02,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 01:38:02,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:38:02,802 INFO L87 Difference]: Start difference. First operand 2108 states and 3036 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-07-23 01:38:11,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:38:11,758 INFO L93 Difference]: Finished difference Result 6651 states and 9811 transitions. [2022-07-23 01:38:11,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 01:38:11,760 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 225 [2022-07-23 01:38:11,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:38:11,784 INFO L225 Difference]: With dead ends: 6651 [2022-07-23 01:38:11,784 INFO L226 Difference]: Without dead ends: 4581 [2022-07-23 01:38:11,791 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-23 01:38:11,792 INFO L413 NwaCegarLoop]: 3359 mSDtfsCounter, 5093 mSDsluCounter, 5979 mSDsCounter, 0 mSdLazyCounter, 5133 mSolverCounterSat, 2745 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5403 SdHoareTripleChecker+Valid, 9338 SdHoareTripleChecker+Invalid, 7878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2745 IncrementalHoareTripleChecker+Valid, 5133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-07-23 01:38:11,792 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5403 Valid, 9338 Invalid, 7878 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2745 Valid, 5133 Invalid, 0 Unknown, 0 Unchecked, 8.6s Time] [2022-07-23 01:38:11,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4581 states. [2022-07-23 01:38:11,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4581 to 3553. [2022-07-23 01:38:11,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3553 states, 2499 states have (on average 1.3661464585834333) internal successors, (3414), 2610 states have internal predecessors, (3414), 825 states have call successors, (825), 229 states have call predecessors, (825), 228 states have return successors, (824), 786 states have call predecessors, (824), 824 states have call successors, (824) [2022-07-23 01:38:11,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3553 states to 3553 states and 5063 transitions. [2022-07-23 01:38:11,905 INFO L78 Accepts]: Start accepts. Automaton has 3553 states and 5063 transitions. Word has length 225 [2022-07-23 01:38:11,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:38:11,912 INFO L495 AbstractCegarLoop]: Abstraction has 3553 states and 5063 transitions. [2022-07-23 01:38:11,912 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (22), 5 states have call predecessors, (22), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2022-07-23 01:38:11,912 INFO L276 IsEmpty]: Start isEmpty. Operand 3553 states and 5063 transitions. [2022-07-23 01:38:11,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2022-07-23 01:38:11,917 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:38:11,917 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:38:11,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-23 01:38:11,917 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:38:11,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:38:11,918 INFO L85 PathProgramCache]: Analyzing trace with hash 683526252, now seen corresponding path program 1 times [2022-07-23 01:38:11,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:38:11,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507559440] [2022-07-23 01:38:11,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:38:11,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:38:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:38:12,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,110 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:38:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:12,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:12,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,138 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:38:12,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:12,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:12,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:38:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:12,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:38:12,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:12,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,185 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:12,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:38:12,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,199 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:38:12,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:12,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:12,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:38:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:12,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 01:38:12,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:12,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-23 01:38:12,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 01:38:12,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:12,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-23 01:38:12,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:12,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-23 01:38:12,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:12,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 01:38:12,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 01:38:12,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:12,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2022-07-23 01:38:12,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-23 01:38:12,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2022-07-23 01:38:12,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:12,375 INFO L134 CoverageAnalysis]: Checked inductivity of 581 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2022-07-23 01:38:12,375 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:38:12,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507559440] [2022-07-23 01:38:12,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [507559440] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:38:12,376 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:38:12,376 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 01:38:12,376 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678272165] [2022-07-23 01:38:12,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:38:12,376 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 01:38:12,377 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:38:12,377 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 01:38:12,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:38:12,378 INFO L87 Difference]: Start difference. First operand 3553 states and 5063 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-23 01:38:19,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:38:19,809 INFO L93 Difference]: Finished difference Result 12315 states and 18209 transitions. [2022-07-23 01:38:19,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 01:38:19,809 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 246 [2022-07-23 01:38:19,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:38:19,857 INFO L225 Difference]: With dead ends: 12315 [2022-07-23 01:38:19,857 INFO L226 Difference]: Without dead ends: 8800 [2022-07-23 01:38:19,871 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-23 01:38:19,873 INFO L413 NwaCegarLoop]: 3601 mSDtfsCounter, 8334 mSDsluCounter, 3959 mSDsCounter, 0 mSdLazyCounter, 3575 mSolverCounterSat, 4830 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8703 SdHoareTripleChecker+Valid, 7560 SdHoareTripleChecker+Invalid, 8405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4830 IncrementalHoareTripleChecker+Valid, 3575 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-07-23 01:38:19,876 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8703 Valid, 7560 Invalid, 8405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4830 Valid, 3575 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-07-23 01:38:19,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8800 states. [2022-07-23 01:38:20,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8800 to 7186. [2022-07-23 01:38:20,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7186 states, 5043 states have (on average 1.3628792385484831) internal successors, (6873), 5291 states have internal predecessors, (6873), 1645 states have call successors, (1645), 445 states have call predecessors, (1645), 497 states have return successors, (1859), 1605 states have call predecessors, (1859), 1644 states have call successors, (1859) [2022-07-23 01:38:20,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7186 states to 7186 states and 10377 transitions. [2022-07-23 01:38:20,142 INFO L78 Accepts]: Start accepts. Automaton has 7186 states and 10377 transitions. Word has length 246 [2022-07-23 01:38:20,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:38:20,143 INFO L495 AbstractCegarLoop]: Abstraction has 7186 states and 10377 transitions. [2022-07-23 01:38:20,143 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (23), 5 states have call predecessors, (23), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-07-23 01:38:20,143 INFO L276 IsEmpty]: Start isEmpty. Operand 7186 states and 10377 transitions. [2022-07-23 01:38:20,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2022-07-23 01:38:20,146 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:38:20,146 INFO L195 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 7, 7, 7, 7, 7, 7, 7, 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] [2022-07-23 01:38:20,146 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-23 01:38:20,146 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:38:20,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:38:20,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1198469260, now seen corresponding path program 1 times [2022-07-23 01:38:20,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:38:20,147 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105213183] [2022-07-23 01:38:20,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:38:20,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:38:20,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:38:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:20,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:20,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:38:20,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:20,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:20,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:38:20,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:38:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:20,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:38:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:20,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:20,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:38:20,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:20,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:38:20,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:20,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:38:20,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:20,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:20,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 01:38:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-23 01:38:20,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 01:38:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:20,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-23 01:38:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:20,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-23 01:38:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 01:38:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:20,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 01:38:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-23 01:38:20,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:20,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,512 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 01:38:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:20,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-23 01:38:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:20,534 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 819 trivial. 0 not checked. [2022-07-23 01:38:20,534 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:38:20,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105213183] [2022-07-23 01:38:20,535 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105213183] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:38:20,535 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:38:20,535 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 01:38:20,535 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538056668] [2022-07-23 01:38:20,535 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:38:20,536 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 01:38:20,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:38:20,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 01:38:20,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:38:20,538 INFO L87 Difference]: Start difference. First operand 7186 states and 10377 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2022-07-23 01:38:26,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:38:26,295 INFO L93 Difference]: Finished difference Result 15900 states and 23467 transitions. [2022-07-23 01:38:26,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 01:38:26,296 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 279 [2022-07-23 01:38:26,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:38:26,343 INFO L225 Difference]: With dead ends: 15900 [2022-07-23 01:38:26,343 INFO L226 Difference]: Without dead ends: 8756 [2022-07-23 01:38:26,371 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-07-23 01:38:26,372 INFO L413 NwaCegarLoop]: 2781 mSDtfsCounter, 4726 mSDsluCounter, 3434 mSDsCounter, 0 mSdLazyCounter, 2860 mSolverCounterSat, 2123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5030 SdHoareTripleChecker+Valid, 6215 SdHoareTripleChecker+Invalid, 4983 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2123 IncrementalHoareTripleChecker+Valid, 2860 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.4s IncrementalHoareTripleChecker+Time [2022-07-23 01:38:26,373 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5030 Valid, 6215 Invalid, 4983 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2123 Valid, 2860 Invalid, 0 Unknown, 0 Unchecked, 5.4s Time] [2022-07-23 01:38:26,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8756 states. [2022-07-23 01:38:26,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8756 to 7186. [2022-07-23 01:38:26,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7186 states, 5043 states have (on average 1.362086059884989) internal successors, (6869), 5291 states have internal predecessors, (6869), 1645 states have call successors, (1645), 445 states have call predecessors, (1645), 497 states have return successors, (1859), 1605 states have call predecessors, (1859), 1644 states have call successors, (1859) [2022-07-23 01:38:26,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7186 states to 7186 states and 10373 transitions. [2022-07-23 01:38:26,758 INFO L78 Accepts]: Start accepts. Automaton has 7186 states and 10373 transitions. Word has length 279 [2022-07-23 01:38:26,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:38:26,759 INFO L495 AbstractCegarLoop]: Abstraction has 7186 states and 10373 transitions. [2022-07-23 01:38:26,759 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2022-07-23 01:38:26,759 INFO L276 IsEmpty]: Start isEmpty. Operand 7186 states and 10373 transitions. [2022-07-23 01:38:26,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2022-07-23 01:38:26,764 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:38:26,764 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 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] [2022-07-23 01:38:26,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-23 01:38:26,764 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:38:26,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:38:26,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1833686891, now seen corresponding path program 1 times [2022-07-23 01:38:26,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:38:26,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949894850] [2022-07-23 01:38:26,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:38:26,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:38:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:38:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:27,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:38:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:27,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:38:27,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:27,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:38:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:27,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:27,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:38:27,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:27,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:27,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:38:27,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:27,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:27,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:38:27,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:27,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:27,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:38:27,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:27,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 01:38:27,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:27,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-23 01:38:27,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 01:38:27,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,194 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:27,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-23 01:38:27,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:27,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-23 01:38:27,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 01:38:27,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,230 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:27,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 01:38:27,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:27,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-23 01:38:27,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:27,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:27,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 01:38:27,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:27,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:27,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-23 01:38:27,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-23 01:38:27,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:27,313 INFO L134 CoverageAnalysis]: Checked inductivity of 962 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 962 trivial. 0 not checked. [2022-07-23 01:38:27,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:38:27,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949894850] [2022-07-23 01:38:27,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949894850] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:38:27,313 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:38:27,314 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-23 01:38:27,314 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649888421] [2022-07-23 01:38:27,314 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:38:27,315 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 01:38:27,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:38:27,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 01:38:27,316 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-07-23 01:38:27,316 INFO L87 Difference]: Start difference. First operand 7186 states and 10373 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-23 01:38:32,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:38:32,974 INFO L93 Difference]: Finished difference Result 13475 states and 20285 transitions. [2022-07-23 01:38:32,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-23 01:38:32,975 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 296 [2022-07-23 01:38:32,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:38:33,052 INFO L225 Difference]: With dead ends: 13475 [2022-07-23 01:38:33,052 INFO L226 Difference]: Without dead ends: 13472 [2022-07-23 01:38:33,064 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2022-07-23 01:38:33,065 INFO L413 NwaCegarLoop]: 3712 mSDtfsCounter, 6254 mSDsluCounter, 3065 mSDsCounter, 0 mSdLazyCounter, 2794 mSolverCounterSat, 3338 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6497 SdHoareTripleChecker+Valid, 6777 SdHoareTripleChecker+Invalid, 6132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3338 IncrementalHoareTripleChecker+Valid, 2794 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-07-23 01:38:33,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6497 Valid, 6777 Invalid, 6132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3338 Valid, 2794 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-07-23 01:38:33,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13472 states. [2022-07-23 01:38:33,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13472 to 10614. [2022-07-23 01:38:33,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10614 states, 7553 states have (on average 1.3687276578842844) internal successors, (10338), 7924 states have internal predecessors, (10338), 2282 states have call successors, (2282), 713 states have call predecessors, (2282), 778 states have return successors, (2664), 2188 states have call predecessors, (2664), 2281 states have call successors, (2664) [2022-07-23 01:38:33,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10614 states to 10614 states and 15284 transitions. [2022-07-23 01:38:33,546 INFO L78 Accepts]: Start accepts. Automaton has 10614 states and 15284 transitions. Word has length 296 [2022-07-23 01:38:33,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:38:33,547 INFO L495 AbstractCegarLoop]: Abstraction has 10614 states and 15284 transitions. [2022-07-23 01:38:33,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 3 states have internal predecessors, (68), 3 states have call successors, (26), 6 states have call predecessors, (26), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-07-23 01:38:33,548 INFO L276 IsEmpty]: Start isEmpty. Operand 10614 states and 15284 transitions. [2022-07-23 01:38:33,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 387 [2022-07-23 01:38:33,559 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:38:33,559 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 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] [2022-07-23 01:38:33,559 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-23 01:38:33,560 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:38:33,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:38:33,561 INFO L85 PathProgramCache]: Analyzing trace with hash 1920344343, now seen corresponding path program 1 times [2022-07-23 01:38:33,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:38:33,561 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340442118] [2022-07-23 01:38:33,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:38:33,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:38:33,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:33,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:38:33,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:33,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:33,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:33,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:38:33,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:33,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:33,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:33,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:33,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:33,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:38:33,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:33,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:33,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:33,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:33,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:38:33,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:33,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:33,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:33,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:38:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:33,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:33,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:33,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:33,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:38:33,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:33,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:33,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:33,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:33,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:33,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:38:34,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:34,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:38:34,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 01:38:34,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:34,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-23 01:38:34,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:34,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 01:38:34,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-23 01:38:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:34,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-23 01:38:34,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:34,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 01:38:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:34,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 01:38:34,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-23 01:38:34,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:34,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:34,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 01:38:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-23 01:38:34,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-23 01:38:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 01:38:34,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:34,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:34,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 306 [2022-07-23 01:38:34,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,253 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2022-07-23 01:38:34,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,262 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-23 01:38:34,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:34,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 01:38:34,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2022-07-23 01:38:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2022-07-23 01:38:34,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:34,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2022-07-23 01:38:34,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:34,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:34,311 INFO L134 CoverageAnalysis]: Checked inductivity of 974 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 972 trivial. 0 not checked. [2022-07-23 01:38:34,311 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:38:34,311 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340442118] [2022-07-23 01:38:34,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1340442118] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:38:34,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:38:34,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-23 01:38:34,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535612551] [2022-07-23 01:38:34,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:38:34,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-23 01:38:34,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:38:34,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-23 01:38:34,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2022-07-23 01:38:34,313 INFO L87 Difference]: Start difference. First operand 10614 states and 15284 transitions. Second operand has 12 states, 12 states have (on average 10.083333333333334) internal successors, (121), 5 states have internal predecessors, (121), 2 states have call successors, (42), 7 states have call predecessors, (42), 3 states have return successors, (34), 4 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-23 01:38:45,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:38:45,694 INFO L93 Difference]: Finished difference Result 27466 states and 41924 transitions. [2022-07-23 01:38:45,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2022-07-23 01:38:45,702 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 10.083333333333334) internal successors, (121), 5 states have internal predecessors, (121), 2 states have call successors, (42), 7 states have call predecessors, (42), 3 states have return successors, (34), 4 states have call predecessors, (34), 2 states have call successors, (34) Word has length 386 [2022-07-23 01:38:45,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:38:45,774 INFO L225 Difference]: With dead ends: 27466 [2022-07-23 01:38:45,775 INFO L226 Difference]: Without dead ends: 16894 [2022-07-23 01:38:45,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=311, Unknown=0, NotChecked=0, Total=420 [2022-07-23 01:38:45,811 INFO L413 NwaCegarLoop]: 2742 mSDtfsCounter, 6033 mSDsluCounter, 13015 mSDsCounter, 0 mSdLazyCounter, 11686 mSolverCounterSat, 5069 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6279 SdHoareTripleChecker+Valid, 15757 SdHoareTripleChecker+Invalid, 16755 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5069 IncrementalHoareTripleChecker+Valid, 11686 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.6s IncrementalHoareTripleChecker+Time [2022-07-23 01:38:45,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6279 Valid, 15757 Invalid, 16755 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5069 Valid, 11686 Invalid, 0 Unknown, 0 Unchecked, 10.6s Time] [2022-07-23 01:38:45,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16894 states. [2022-07-23 01:38:46,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16894 to 11260. [2022-07-23 01:38:46,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11260 states, 7994 states have (on average 1.3696522391793846) internal successors, (10949), 8396 states have internal predecessors, (10949), 2459 states have call successors, (2459), 713 states have call predecessors, (2459), 806 states have return successors, (2967), 2365 states have call predecessors, (2967), 2458 states have call successors, (2967) [2022-07-23 01:38:46,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11260 states to 11260 states and 16375 transitions. [2022-07-23 01:38:46,317 INFO L78 Accepts]: Start accepts. Automaton has 11260 states and 16375 transitions. Word has length 386 [2022-07-23 01:38:46,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:38:46,317 INFO L495 AbstractCegarLoop]: Abstraction has 11260 states and 16375 transitions. [2022-07-23 01:38:46,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 10.083333333333334) internal successors, (121), 5 states have internal predecessors, (121), 2 states have call successors, (42), 7 states have call predecessors, (42), 3 states have return successors, (34), 4 states have call predecessors, (34), 2 states have call successors, (34) [2022-07-23 01:38:46,318 INFO L276 IsEmpty]: Start isEmpty. Operand 11260 states and 16375 transitions. [2022-07-23 01:38:46,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2022-07-23 01:38:46,324 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:38:46,325 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 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] [2022-07-23 01:38:46,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-23 01:38:46,325 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:38:46,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:38:46,326 INFO L85 PathProgramCache]: Analyzing trace with hash 366789914, now seen corresponding path program 1 times [2022-07-23 01:38:46,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:38:46,326 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632389104] [2022-07-23 01:38:46,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:38:46,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:38:46,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:38:46,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:46,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:46,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:38:46,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:46,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,595 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:46,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:38:46,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:46,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:46,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:38:46,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:46,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:38:46,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:46,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:38:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:46,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:46,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:38:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:46,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:46,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:38:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:46,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 01:38:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:46,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-23 01:38:46,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:46,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 01:38:46,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:46,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-23 01:38:46,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:46,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-23 01:38:46,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 01:38:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:46,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 01:38:46,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:46,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-23 01:38:46,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:46,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 01:38:46,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:46,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,784 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:46,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-23 01:38:46,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-23 01:38:46,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,800 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2022-07-23 01:38:46,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:46,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:38:46,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:38:46,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 01:38:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,837 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 01:38:46,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2022-07-23 01:38:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,849 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2022-07-23 01:38:46,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2022-07-23 01:38:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:46,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 01:38:46,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2022-07-23 01:38:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-07-23 01:38:46,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-23 01:38:46,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:38:46,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:38:46,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1066 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 1061 trivial. 0 not checked. [2022-07-23 01:38:46,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:38:46,891 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632389104] [2022-07-23 01:38:46,891 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632389104] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:38:46,891 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-23 01:38:46,891 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-23 01:38:46,891 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684006860] [2022-07-23 01:38:46,891 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:38:46,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-23 01:38:46,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:38:46,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-23 01:38:46,893 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2022-07-23 01:38:46,893 INFO L87 Difference]: Start difference. First operand 11260 states and 16375 transitions. Second operand has 8 states, 8 states have (on average 16.25) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (46), 7 states have call predecessors, (46), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-07-23 01:38:58,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:38:58,936 INFO L93 Difference]: Finished difference Result 35951 states and 55382 transitions. [2022-07-23 01:38:58,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-23 01:38:58,937 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (46), 7 states have call predecessors, (46), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) Word has length 407 [2022-07-23 01:38:58,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:38:59,032 INFO L225 Difference]: With dead ends: 35951 [2022-07-23 01:38:59,033 INFO L226 Difference]: Without dead ends: 24733 [2022-07-23 01:38:59,069 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2022-07-23 01:38:59,071 INFO L413 NwaCegarLoop]: 4115 mSDtfsCounter, 10852 mSDsluCounter, 6871 mSDsCounter, 0 mSdLazyCounter, 7502 mSolverCounterSat, 8251 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11293 SdHoareTripleChecker+Valid, 10986 SdHoareTripleChecker+Invalid, 15753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8251 IncrementalHoareTripleChecker+Valid, 7502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2022-07-23 01:38:59,072 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11293 Valid, 10986 Invalid, 15753 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8251 Valid, 7502 Invalid, 0 Unknown, 0 Unchecked, 10.9s Time] [2022-07-23 01:38:59,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24733 states. [2022-07-23 01:38:59,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24733 to 16209. [2022-07-23 01:38:59,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16209 states, 11527 states have (on average 1.369133339116856) internal successors, (15782), 12119 states have internal predecessors, (15782), 3500 states have call successors, (3500), 1049 states have call predecessors, (3500), 1181 states have return successors, (4227), 3354 states have call predecessors, (4227), 3499 states have call successors, (4227) [2022-07-23 01:38:59,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16209 states to 16209 states and 23509 transitions. [2022-07-23 01:38:59,772 INFO L78 Accepts]: Start accepts. Automaton has 16209 states and 23509 transitions. Word has length 407 [2022-07-23 01:38:59,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:38:59,774 INFO L495 AbstractCegarLoop]: Abstraction has 16209 states and 23509 transitions. [2022-07-23 01:38:59,774 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 16.25) internal successors, (130), 3 states have internal predecessors, (130), 3 states have call successors, (46), 7 states have call predecessors, (46), 1 states have return successors, (38), 3 states have call predecessors, (38), 3 states have call successors, (38) [2022-07-23 01:38:59,774 INFO L276 IsEmpty]: Start isEmpty. Operand 16209 states and 23509 transitions. [2022-07-23 01:38:59,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2022-07-23 01:38:59,781 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:38:59,782 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 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] [2022-07-23 01:38:59,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-23 01:38:59,782 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:38:59,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:38:59,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1264368556, now seen corresponding path program 1 times [2022-07-23 01:38:59,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:38:59,783 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1669559862] [2022-07-23 01:38:59,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:38:59,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:39:00,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:39:00,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:00,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:39:00,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:00,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:39:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:00,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:39:00,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:00,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:39:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:00,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:39:00,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:00,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:39:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:00,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:00,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:39:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:00,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:00,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 01:39:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-23 01:39:00,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 01:39:00,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:00,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-23 01:39:00,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:00,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-23 01:39:00,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:00,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 01:39:00,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:00,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 01:39:00,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:00,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-23 01:39:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:00,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:00,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 01:39:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:00,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:00,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-23 01:39:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2022-07-23 01:39:00,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:00,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,443 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 01:39:00,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:00,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:00,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:39:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 01:39:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 01:39:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 326 [2022-07-23 01:39:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2022-07-23 01:39:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2022-07-23 01:39:00,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 01:39:00,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2022-07-23 01:39:00,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2022-07-23 01:39:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:00,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-23 01:39:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:00,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:00,524 INFO L134 CoverageAnalysis]: Checked inductivity of 1066 backedges. 2 proven. 42 refuted. 0 times theorem prover too weak. 1022 trivial. 0 not checked. [2022-07-23 01:39:00,525 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:39:00,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1669559862] [2022-07-23 01:39:00,525 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1669559862] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 01:39:00,525 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [905612550] [2022-07-23 01:39:00,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:39:00,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:39:00,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:39:00,532 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) [2022-07-23 01:39:00,535 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-23 01:39:01,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:01,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 4008 conjuncts, 19 conjunts are in the unsatisfiable core [2022-07-23 01:39:01,483 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:39:01,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1066 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 843 trivial. 0 not checked. [2022-07-23 01:39:01,557 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:39:01,557 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [905612550] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:39:01,557 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 01:39:01,558 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 14 [2022-07-23 01:39:01,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636837350] [2022-07-23 01:39:01,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:39:01,558 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-23 01:39:01,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:39:01,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-23 01:39:01,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2022-07-23 01:39:01,559 INFO L87 Difference]: Start difference. First operand 16209 states and 23509 transitions. Second operand has 5 states, 5 states have (on average 27.4) internal successors, (137), 5 states have internal predecessors, (137), 3 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-07-23 01:39:02,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:39:02,043 INFO L93 Difference]: Finished difference Result 32368 states and 46951 transitions. [2022-07-23 01:39:02,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-23 01:39:02,044 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 5 states have internal predecessors, (137), 3 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) Word has length 406 [2022-07-23 01:39:02,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:39:02,110 INFO L225 Difference]: With dead ends: 32368 [2022-07-23 01:39:02,111 INFO L226 Difference]: Without dead ends: 16175 [2022-07-23 01:39:02,157 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 541 GetRequests, 527 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2022-07-23 01:39:02,158 INFO L413 NwaCegarLoop]: 3034 mSDtfsCounter, 3 mSDsluCounter, 9089 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 12123 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-23 01:39:02,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 12123 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-23 01:39:02,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16175 states. [2022-07-23 01:39:02,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16175 to 16167. [2022-07-23 01:39:02,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16167 states, 11495 states have (on average 1.3694649847759897) internal successors, (15742), 12083 states have internal predecessors, (15742), 3494 states have call successors, (3494), 1045 states have call predecessors, (3494), 1177 states have return successors, (4221), 3348 states have call predecessors, (4221), 3493 states have call successors, (4221) [2022-07-23 01:39:02,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16167 states to 16167 states and 23457 transitions. [2022-07-23 01:39:02,828 INFO L78 Accepts]: Start accepts. Automaton has 16167 states and 23457 transitions. Word has length 406 [2022-07-23 01:39:02,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:39:02,829 INFO L495 AbstractCegarLoop]: Abstraction has 16167 states and 23457 transitions. [2022-07-23 01:39:02,829 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.4) internal successors, (137), 5 states have internal predecessors, (137), 3 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (40), 3 states have call predecessors, (40), 3 states have call successors, (40) [2022-07-23 01:39:02,829 INFO L276 IsEmpty]: Start isEmpty. Operand 16167 states and 23457 transitions. [2022-07-23 01:39:02,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 419 [2022-07-23 01:39:02,837 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:39:02,837 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:39:02,863 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-23 01:39:03,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:39:03,048 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:39:03,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:39:03,048 INFO L85 PathProgramCache]: Analyzing trace with hash 1558670621, now seen corresponding path program 1 times [2022-07-23 01:39:03,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:39:03,048 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [803773230] [2022-07-23 01:39:03,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:39:03,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:39:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:39:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:03,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,286 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:39:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:03,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:39:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:39:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:39:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:03,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:39:03,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:03,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:03,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:39:03,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:03,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:39:03,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:03,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 01:39:03,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-23 01:39:03,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:03,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 01:39:03,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:03,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-23 01:39:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,451 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:03,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-23 01:39:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 01:39:03,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 01:39:03,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:03,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-23 01:39:03,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:03,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 01:39:03,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-23 01:39:03,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-23 01:39:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-23 01:39:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:03,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-07-23 01:39:03,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:03,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:39:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 01:39:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:03,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 01:39:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-23 01:39:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-23 01:39:03,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 01:39:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 01:39:03,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-07-23 01:39:03,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2022-07-23 01:39:03,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:03,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-23 01:39:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-07-23 01:39:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:03,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:03,628 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 2 proven. 42 refuted. 0 times theorem prover too weak. 1032 trivial. 0 not checked. [2022-07-23 01:39:03,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:39:03,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [803773230] [2022-07-23 01:39:03,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [803773230] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 01:39:03,629 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1619561479] [2022-07-23 01:39:03,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:39:03,629 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:39:03,629 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:39:03,630 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) [2022-07-23 01:39:03,631 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-23 01:39:04,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:04,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 4033 conjuncts, 21 conjunts are in the unsatisfiable core [2022-07-23 01:39:04,714 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:39:04,946 INFO L134 CoverageAnalysis]: Checked inductivity of 1076 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 1066 trivial. 0 not checked. [2022-07-23 01:39:04,946 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:39:04,946 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1619561479] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:39:04,946 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 01:39:04,946 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [11] total 19 [2022-07-23 01:39:04,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813119025] [2022-07-23 01:39:04,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:39:04,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-23 01:39:04,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:39:04,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-23 01:39:04,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=301, Unknown=0, NotChecked=0, Total=342 [2022-07-23 01:39:04,948 INFO L87 Difference]: Start difference. First operand 16167 states and 23457 transitions. Second operand has 10 states, 9 states have (on average 14.88888888888889) internal successors, (134), 8 states have internal predecessors, (134), 3 states have call successors, (48), 2 states have call predecessors, (48), 4 states have return successors, (41), 5 states have call predecessors, (41), 3 states have call successors, (41) [2022-07-23 01:39:05,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:39:05,647 INFO L93 Difference]: Finished difference Result 32324 states and 46909 transitions. [2022-07-23 01:39:05,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-23 01:39:05,648 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 14.88888888888889) internal successors, (134), 8 states have internal predecessors, (134), 3 states have call successors, (48), 2 states have call predecessors, (48), 4 states have return successors, (41), 5 states have call predecessors, (41), 3 states have call successors, (41) Word has length 418 [2022-07-23 01:39:05,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:39:05,710 INFO L225 Difference]: With dead ends: 32324 [2022-07-23 01:39:05,711 INFO L226 Difference]: Without dead ends: 16199 [2022-07-23 01:39:05,760 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 559 GetRequests, 540 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=53, Invalid=367, Unknown=0, NotChecked=0, Total=420 [2022-07-23 01:39:05,760 INFO L413 NwaCegarLoop]: 3018 mSDtfsCounter, 13 mSDsluCounter, 18066 mSDsCounter, 0 mSdLazyCounter, 171 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 21084 SdHoareTripleChecker+Invalid, 173 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 171 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 01:39:05,760 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 21084 Invalid, 173 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 171 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 01:39:05,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16199 states. [2022-07-23 01:39:06,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16199 to 16187. [2022-07-23 01:39:06,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16187 states, 11511 states have (on average 1.3689514377551908) internal successors, (15758), 12099 states have internal predecessors, (15758), 3494 states have call successors, (3494), 1045 states have call predecessors, (3494), 1181 states have return successors, (4233), 3352 states have call predecessors, (4233), 3493 states have call successors, (4233) [2022-07-23 01:39:06,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16187 states to 16187 states and 23485 transitions. [2022-07-23 01:39:06,487 INFO L78 Accepts]: Start accepts. Automaton has 16187 states and 23485 transitions. Word has length 418 [2022-07-23 01:39:06,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:39:06,487 INFO L495 AbstractCegarLoop]: Abstraction has 16187 states and 23485 transitions. [2022-07-23 01:39:06,488 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 14.88888888888889) internal successors, (134), 8 states have internal predecessors, (134), 3 states have call successors, (48), 2 states have call predecessors, (48), 4 states have return successors, (41), 5 states have call predecessors, (41), 3 states have call successors, (41) [2022-07-23 01:39:06,488 INFO L276 IsEmpty]: Start isEmpty. Operand 16187 states and 23485 transitions. [2022-07-23 01:39:06,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 420 [2022-07-23 01:39:06,496 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:39:06,496 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 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] [2022-07-23 01:39:06,524 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-23 01:39:06,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2022-07-23 01:39:06,708 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:39:06,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:39:06,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1715961506, now seen corresponding path program 1 times [2022-07-23 01:39:06,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:39:06,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879857149] [2022-07-23 01:39:06,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:39:06,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:39:06,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:39:06,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:06,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:39:06,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:06,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,945 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:06,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:39:06,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:06,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:39:06,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:06,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:39:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:06,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:39:06,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:06,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:06,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:39:06,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:06,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:06,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:07,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:39:07,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:07,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 01:39:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:07,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2022-07-23 01:39:07,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2022-07-23 01:39:07,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2022-07-23 01:39:07,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:07,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2022-07-23 01:39:07,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:07,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2022-07-23 01:39:07,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:07,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,133 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 197 [2022-07-23 01:39:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2022-07-23 01:39:07,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,151 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:07,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:07,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2022-07-23 01:39:07,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:07,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:07,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2022-07-23 01:39:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-23 01:39:07,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:07,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-23 01:39:07,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:07,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2022-07-23 01:39:07,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:07,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:39:07,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 01:39:07,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:07,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 01:39:07,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2022-07-23 01:39:07,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2022-07-23 01:39:07,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2022-07-23 01:39:07,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:07,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 01:39:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-07-23 01:39:07,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 375 [2022-07-23 01:39:07,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:07,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2022-07-23 01:39:07,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:07,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:07,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1078 backedges. 2 proven. 42 refuted. 0 times theorem prover too weak. 1034 trivial. 0 not checked. [2022-07-23 01:39:07,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:39:07,295 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879857149] [2022-07-23 01:39:07,295 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879857149] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 01:39:07,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2043847374] [2022-07-23 01:39:07,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:39:07,296 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:39:07,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:39:07,297 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) [2022-07-23 01:39:07,319 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-23 01:39:08,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:08,386 INFO L263 TraceCheckSpWp]: Trace formula consists of 4111 conjuncts, 11 conjunts are in the unsatisfiable core [2022-07-23 01:39:08,394 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:39:08,449 INFO L134 CoverageAnalysis]: Checked inductivity of 1078 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 581 trivial. 0 not checked. [2022-07-23 01:39:08,449 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-23 01:39:08,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2043847374] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-23 01:39:08,450 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-23 01:39:08,450 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 13 [2022-07-23 01:39:08,450 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163865339] [2022-07-23 01:39:08,450 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-23 01:39:08,450 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-23 01:39:08,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:39:08,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-23 01:39:08,451 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2022-07-23 01:39:08,451 INFO L87 Difference]: Start difference. First operand 16187 states and 23485 transitions. Second operand has 6 states, 5 states have (on average 29.8) internal successors, (149), 6 states have internal predecessors, (149), 3 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-23 01:39:09,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:39:09,024 INFO L93 Difference]: Finished difference Result 32369 states and 46978 transitions. [2022-07-23 01:39:09,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-07-23 01:39:09,025 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 29.8) internal successors, (149), 6 states have internal predecessors, (149), 3 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) Word has length 419 [2022-07-23 01:39:09,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:39:09,068 INFO L225 Difference]: With dead ends: 32369 [2022-07-23 01:39:09,068 INFO L226 Difference]: Without dead ends: 16191 [2022-07-23 01:39:09,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 558 GetRequests, 544 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2022-07-23 01:39:09,102 INFO L413 NwaCegarLoop]: 3023 mSDtfsCounter, 6 mSDsluCounter, 12067 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 15090 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-23 01:39:09,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 15090 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-23 01:39:09,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16191 states. [2022-07-23 01:39:09,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16191 to 16191. [2022-07-23 01:39:09,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16191 states, 11515 states have (on average 1.3688232739904473) internal successors, (15762), 12103 states have internal predecessors, (15762), 3494 states have call successors, (3494), 1045 states have call predecessors, (3494), 1181 states have return successors, (4233), 3352 states have call predecessors, (4233), 3493 states have call successors, (4233) [2022-07-23 01:39:09,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16191 states to 16191 states and 23489 transitions. [2022-07-23 01:39:09,592 INFO L78 Accepts]: Start accepts. Automaton has 16191 states and 23489 transitions. Word has length 419 [2022-07-23 01:39:09,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:39:09,592 INFO L495 AbstractCegarLoop]: Abstraction has 16191 states and 23489 transitions. [2022-07-23 01:39:09,593 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 29.8) internal successors, (149), 6 states have internal predecessors, (149), 3 states have call successors, (51), 2 states have call predecessors, (51), 4 states have return successors, (43), 3 states have call predecessors, (43), 3 states have call successors, (43) [2022-07-23 01:39:09,593 INFO L276 IsEmpty]: Start isEmpty. Operand 16191 states and 23489 transitions. [2022-07-23 01:39:09,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 427 [2022-07-23 01:39:09,600 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:39:09,600 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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] [2022-07-23 01:39:09,629 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-23 01:39:09,819 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:39:09,820 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:39:09,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:39:09,820 INFO L85 PathProgramCache]: Analyzing trace with hash 615269267, now seen corresponding path program 1 times [2022-07-23 01:39:09,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:39:09,820 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127117095] [2022-07-23 01:39:09,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:39:09,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:39:09,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:39:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:10,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:10,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:39:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:10,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:10,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:39:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:10,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:10,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:39:10,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:39:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:10,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:39:10,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:10,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:10,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:39:10,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:10,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:10,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:39:10,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:10,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,170 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:10,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 01:39:10,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2022-07-23 01:39:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:10,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 155 [2022-07-23 01:39:10,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2022-07-23 01:39:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:10,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2022-07-23 01:39:10,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:10,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-23 01:39:10,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:10,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2022-07-23 01:39:10,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2022-07-23 01:39:10,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:10,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:10,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2022-07-23 01:39:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:10,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2022-07-23 01:39:10,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-23 01:39:10,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:10,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-23 01:39:10,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2022-07-23 01:39:10,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:10,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,422 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:10,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:39:10,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 01:39:10,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 01:39:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2022-07-23 01:39:10,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2022-07-23 01:39:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 356 [2022-07-23 01:39:10,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:10,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 01:39:10,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2022-07-23 01:39:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2022-07-23 01:39:10,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,486 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2022-07-23 01:39:10,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:10,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:10,496 INFO L134 CoverageAnalysis]: Checked inductivity of 1148 backedges. 2 proven. 61 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2022-07-23 01:39:10,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:39:10,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1127117095] [2022-07-23 01:39:10,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1127117095] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 01:39:10,496 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [461673957] [2022-07-23 01:39:10,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:39:10,497 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:39:10,497 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:39:10,498 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 01:39:10,499 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-07-23 01:39:11,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:11,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 4216 conjuncts, 15 conjunts are in the unsatisfiable core [2022-07-23 01:39:11,933 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:39:12,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1148 backedges. 528 proven. 3 refuted. 0 times theorem prover too weak. 617 trivial. 0 not checked. [2022-07-23 01:39:12,045 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:39:12,472 INFO L134 CoverageAnalysis]: Checked inductivity of 1148 backedges. 12 proven. 51 refuted. 0 times theorem prover too weak. 1085 trivial. 0 not checked. [2022-07-23 01:39:12,472 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [461673957] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 01:39:12,472 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 01:39:12,472 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 7, 7] total 19 [2022-07-23 01:39:12,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177830715] [2022-07-23 01:39:12,472 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 01:39:12,473 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2022-07-23 01:39:12,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:39:12,474 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2022-07-23 01:39:12,474 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2022-07-23 01:39:12,474 INFO L87 Difference]: Start difference. First operand 16191 states and 23489 transitions. Second operand has 19 states, 17 states have (on average 12.705882352941176) internal successors, (216), 14 states have internal predecessors, (216), 4 states have call successors, (107), 7 states have call predecessors, (107), 7 states have return successors, (74), 5 states have call predecessors, (74), 4 states have call successors, (74) [2022-07-23 01:39:30,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:39:30,538 INFO L93 Difference]: Finished difference Result 40729 states and 62189 transitions. [2022-07-23 01:39:30,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-07-23 01:39:30,539 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 17 states have (on average 12.705882352941176) internal successors, (216), 14 states have internal predecessors, (216), 4 states have call successors, (107), 7 states have call predecessors, (107), 7 states have return successors, (74), 5 states have call predecessors, (74), 4 states have call successors, (74) Word has length 426 [2022-07-23 01:39:30,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:39:30,749 INFO L225 Difference]: With dead ends: 40729 [2022-07-23 01:39:30,750 INFO L226 Difference]: Without dead ends: 24547 [2022-07-23 01:39:30,794 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1009 GetRequests, 975 SyntacticMatches, 3 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=192, Invalid=864, Unknown=0, NotChecked=0, Total=1056 [2022-07-23 01:39:30,795 INFO L413 NwaCegarLoop]: 2749 mSDtfsCounter, 5994 mSDsluCounter, 20551 mSDsCounter, 0 mSdLazyCounter, 18427 mSolverCounterSat, 4932 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6239 SdHoareTripleChecker+Valid, 23300 SdHoareTripleChecker+Invalid, 23359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4932 IncrementalHoareTripleChecker+Valid, 18427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 16.7s IncrementalHoareTripleChecker+Time [2022-07-23 01:39:30,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6239 Valid, 23300 Invalid, 23359 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4932 Valid, 18427 Invalid, 0 Unknown, 0 Unchecked, 16.7s Time] [2022-07-23 01:39:30,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24547 states. [2022-07-23 01:39:31,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24547 to 16200. [2022-07-23 01:39:31,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16200 states, 11522 states have (on average 1.3685992015275126) internal successors, (15769), 12110 states have internal predecessors, (15769), 3495 states have call successors, (3495), 1046 states have call predecessors, (3495), 1182 states have return successors, (4234), 3353 states have call predecessors, (4234), 3494 states have call successors, (4234) [2022-07-23 01:39:31,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16200 states to 16200 states and 23498 transitions. [2022-07-23 01:39:31,543 INFO L78 Accepts]: Start accepts. Automaton has 16200 states and 23498 transitions. Word has length 426 [2022-07-23 01:39:31,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:39:31,543 INFO L495 AbstractCegarLoop]: Abstraction has 16200 states and 23498 transitions. [2022-07-23 01:39:31,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 17 states have (on average 12.705882352941176) internal successors, (216), 14 states have internal predecessors, (216), 4 states have call successors, (107), 7 states have call predecessors, (107), 7 states have return successors, (74), 5 states have call predecessors, (74), 4 states have call successors, (74) [2022-07-23 01:39:31,543 INFO L276 IsEmpty]: Start isEmpty. Operand 16200 states and 23498 transitions. [2022-07-23 01:39:31,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 434 [2022-07-23 01:39:31,550 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:39:31,550 INFO L195 NwaCegarLoop]: trace histogram [14, 13, 13, 13, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 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] [2022-07-23 01:39:31,580 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2022-07-23 01:39:31,763 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:39:31,764 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:39:31,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:39:31,764 INFO L85 PathProgramCache]: Analyzing trace with hash -859586114, now seen corresponding path program 2 times [2022-07-23 01:39:31,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:39:31,764 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56139223] [2022-07-23 01:39:31,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:39:31,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:39:31,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:31,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:39:31,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:32,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:32,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,009 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:39:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:32,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:39:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:32,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,031 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:32,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:39:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:32,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:39:32,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:32,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:39:32,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,060 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:32,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:39:32,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:32,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:39:32,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:32,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:32,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 01:39:32,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:32,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2022-07-23 01:39:32,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:32,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2022-07-23 01:39:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:32,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2022-07-23 01:39:32,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 183 [2022-07-23 01:39:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:32,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2022-07-23 01:39:32,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2022-07-23 01:39:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:32,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 233 [2022-07-23 01:39:32,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:32,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2022-07-23 01:39:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,298 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2022-07-23 01:39:32,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-23 01:39:32,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:32,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 01:39:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:32,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2022-07-23 01:39:32,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:32,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:39:32,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:39:32,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 01:39:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:32,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 01:39:32,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2022-07-23 01:39:32,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2022-07-23 01:39:32,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2022-07-23 01:39:32,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,397 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:32,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 01:39:32,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2022-07-23 01:39:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2022-07-23 01:39:32,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:32,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2022-07-23 01:39:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:39:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:39:32,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1267 backedges. 2 proven. 93 refuted. 0 times theorem prover too weak. 1172 trivial. 0 not checked. [2022-07-23 01:39:32,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:39:32,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [56139223] [2022-07-23 01:39:32,429 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [56139223] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 01:39:32,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [279412159] [2022-07-23 01:39:32,429 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 01:39:32,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:39:32,429 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:39:32,431 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 01:39:32,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-07-23 01:39:34,459 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-23 01:39:34,460 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 01:39:34,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 4321 conjuncts, 19 conjunts are in the unsatisfiable core [2022-07-23 01:39:34,496 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:39:34,599 INFO L134 CoverageAnalysis]: Checked inductivity of 1267 backedges. 579 proven. 10 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2022-07-23 01:39:34,600 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:39:35,068 INFO L134 CoverageAnalysis]: Checked inductivity of 1267 backedges. 17 proven. 78 refuted. 0 times theorem prover too weak. 1172 trivial. 0 not checked. [2022-07-23 01:39:35,068 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [279412159] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 01:39:35,068 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 01:39:35,069 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 8] total 22 [2022-07-23 01:39:35,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625569081] [2022-07-23 01:39:35,069 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 01:39:35,070 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-07-23 01:39:35,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:39:35,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-07-23 01:39:35,071 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=402, Unknown=0, NotChecked=0, Total=462 [2022-07-23 01:39:35,071 INFO L87 Difference]: Start difference. First operand 16200 states and 23498 transitions. Second operand has 22 states, 20 states have (on average 10.95) internal successors, (219), 17 states have internal predecessors, (219), 4 states have call successors, (107), 7 states have call predecessors, (107), 7 states have return successors, (74), 5 states have call predecessors, (74), 4 states have call successors, (74) [2022-07-23 01:40:02,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:40:02,030 INFO L93 Difference]: Finished difference Result 40745 states and 62204 transitions. [2022-07-23 01:40:02,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2022-07-23 01:40:02,031 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 20 states have (on average 10.95) internal successors, (219), 17 states have internal predecessors, (219), 4 states have call successors, (107), 7 states have call predecessors, (107), 7 states have return successors, (74), 5 states have call predecessors, (74), 4 states have call successors, (74) Word has length 433 [2022-07-23 01:40:02,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:40:02,123 INFO L225 Difference]: With dead ends: 40745 [2022-07-23 01:40:02,123 INFO L226 Difference]: Without dead ends: 24551 [2022-07-23 01:40:02,179 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1030 GetRequests, 987 SyntacticMatches, 3 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 315 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=278, Invalid=1444, Unknown=0, NotChecked=0, Total=1722 [2022-07-23 01:40:02,180 INFO L413 NwaCegarLoop]: 2905 mSDtfsCounter, 5957 mSDsluCounter, 28305 mSDsCounter, 0 mSdLazyCounter, 23672 mSolverCounterSat, 4827 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 22.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6201 SdHoareTripleChecker+Valid, 31210 SdHoareTripleChecker+Invalid, 28499 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4827 IncrementalHoareTripleChecker+Valid, 23672 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.3s IncrementalHoareTripleChecker+Time [2022-07-23 01:40:02,180 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [6201 Valid, 31210 Invalid, 28499 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4827 Valid, 23672 Invalid, 0 Unknown, 0 Unchecked, 25.3s Time] [2022-07-23 01:40:02,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24551 states. [2022-07-23 01:40:02,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24551 to 16204. [2022-07-23 01:40:02,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16204 states, 11526 states have (on average 1.368471282318237) internal successors, (15773), 12114 states have internal predecessors, (15773), 3495 states have call successors, (3495), 1046 states have call predecessors, (3495), 1182 states have return successors, (4234), 3353 states have call predecessors, (4234), 3494 states have call successors, (4234) [2022-07-23 01:40:03,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16204 states to 16204 states and 23502 transitions. [2022-07-23 01:40:03,052 INFO L78 Accepts]: Start accepts. Automaton has 16204 states and 23502 transitions. Word has length 433 [2022-07-23 01:40:03,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:40:03,053 INFO L495 AbstractCegarLoop]: Abstraction has 16204 states and 23502 transitions. [2022-07-23 01:40:03,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 20 states have (on average 10.95) internal successors, (219), 17 states have internal predecessors, (219), 4 states have call successors, (107), 7 states have call predecessors, (107), 7 states have return successors, (74), 5 states have call predecessors, (74), 4 states have call successors, (74) [2022-07-23 01:40:03,053 INFO L276 IsEmpty]: Start isEmpty. Operand 16204 states and 23502 transitions. [2022-07-23 01:40:03,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 440 [2022-07-23 01:40:03,060 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:40:03,060 INFO L195 NwaCegarLoop]: trace histogram [21, 13, 13, 13, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:40:03,094 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-07-23 01:40:03,271 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-07-23 01:40:03,272 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:40:03,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:40:03,272 INFO L85 PathProgramCache]: Analyzing trace with hash 1638384680, now seen corresponding path program 1 times [2022-07-23 01:40:03,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:40:03,272 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430470237] [2022-07-23 01:40:03,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:40:03,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:40:03,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:40:03,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:40:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:40:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:40:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:40:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:40:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:40:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:03,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,537 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:40:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:40:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:40:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:40:03,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,556 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:03,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:40:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:40:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:03,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:40:03,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:40:03,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:40:03,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 01:40:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,610 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2022-07-23 01:40:03,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2022-07-23 01:40:03,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:03,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,775 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2022-07-23 01:40:03,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2022-07-23 01:40:03,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,803 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:03,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2022-07-23 01:40:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,830 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2022-07-23 01:40:03,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2022-07-23 01:40:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,865 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:40:03,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2022-07-23 01:40:03,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:03,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:40:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2022-07-23 01:40:03,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-23 01:40:03,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:03,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2022-07-23 01:40:03,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:03,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:40:03,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2022-07-23 01:40:03,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:40:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:40:03,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 01:40:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 01:40:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,949 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2022-07-23 01:40:03,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2022-07-23 01:40:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2022-07-23 01:40:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:03,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 01:40:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 388 [2022-07-23 01:40:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2022-07-23 01:40:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2022-07-23 01:40:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2022-07-23 01:40:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:03,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:40:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:04,003 INFO L134 CoverageAnalysis]: Checked inductivity of 1433 backedges. 2 proven. 138 refuted. 0 times theorem prover too weak. 1293 trivial. 0 not checked. [2022-07-23 01:40:04,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:40:04,003 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430470237] [2022-07-23 01:40:04,003 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430470237] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 01:40:04,004 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1438889512] [2022-07-23 01:40:04,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:40:04,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:40:04,004 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:40:04,005 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 01:40:04,007 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-07-23 01:40:06,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:40:06,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 4368 conjuncts, 23 conjunts are in the unsatisfiable core [2022-07-23 01:40:06,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:40:06,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1433 backedges. 650 proven. 21 refuted. 0 times theorem prover too weak. 762 trivial. 0 not checked. [2022-07-23 01:40:06,802 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:40:07,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1433 backedges. 24 proven. 116 refuted. 0 times theorem prover too weak. 1293 trivial. 0 not checked. [2022-07-23 01:40:07,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1438889512] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 01:40:07,347 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 01:40:07,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 9, 9] total 24 [2022-07-23 01:40:07,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668864970] [2022-07-23 01:40:07,347 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 01:40:07,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2022-07-23 01:40:07,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:40:07,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-07-23 01:40:07,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=483, Unknown=0, NotChecked=0, Total=552 [2022-07-23 01:40:07,349 INFO L87 Difference]: Start difference. First operand 16204 states and 23502 transitions. Second operand has 24 states, 22 states have (on average 10.409090909090908) internal successors, (229), 19 states have internal predecessors, (229), 4 states have call successors, (111), 7 states have call predecessors, (111), 7 states have return successors, (78), 5 states have call predecessors, (78), 4 states have call successors, (78) [2022-07-23 01:40:14,856 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:40:16,910 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:40:18,966 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:40:21,019 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:40:23,072 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:40:25,133 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:40:27,195 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:40:29,249 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:40:39,554 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2022-07-23 01:41:06,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-23 01:41:06,416 INFO L93 Difference]: Finished difference Result 40753 states and 62212 transitions. [2022-07-23 01:41:06,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2022-07-23 01:41:06,417 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 22 states have (on average 10.409090909090908) internal successors, (229), 19 states have internal predecessors, (229), 4 states have call successors, (111), 7 states have call predecessors, (111), 7 states have return successors, (78), 5 states have call predecessors, (78), 4 states have call successors, (78) Word has length 439 [2022-07-23 01:41:06,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-23 01:41:06,510 INFO L225 Difference]: With dead ends: 40753 [2022-07-23 01:41:06,510 INFO L226 Difference]: Without dead ends: 24555 [2022-07-23 01:41:06,559 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1047 GetRequests, 998 SyntacticMatches, 5 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 379 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=311, Invalid=1759, Unknown=0, NotChecked=0, Total=2070 [2022-07-23 01:41:06,566 INFO L413 NwaCegarLoop]: 2913 mSDtfsCounter, 5359 mSDsluCounter, 31007 mSDsCounter, 0 mSdLazyCounter, 25350 mSolverCounterSat, 4096 mSolverCounterUnsat, 9 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 51.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5609 SdHoareTripleChecker+Valid, 33920 SdHoareTripleChecker+Invalid, 29455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 4096 IncrementalHoareTripleChecker+Valid, 25350 IncrementalHoareTripleChecker+Invalid, 9 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 56.9s IncrementalHoareTripleChecker+Time [2022-07-23 01:41:06,567 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [5609 Valid, 33920 Invalid, 29455 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [4096 Valid, 25350 Invalid, 9 Unknown, 0 Unchecked, 56.9s Time] [2022-07-23 01:41:06,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24555 states. [2022-07-23 01:41:07,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24555 to 16208. [2022-07-23 01:41:07,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16208 states, 11530 states have (on average 1.3683434518647009) internal successors, (15777), 12118 states have internal predecessors, (15777), 3495 states have call successors, (3495), 1046 states have call predecessors, (3495), 1182 states have return successors, (4234), 3353 states have call predecessors, (4234), 3494 states have call successors, (4234) [2022-07-23 01:41:07,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16208 states to 16208 states and 23506 transitions. [2022-07-23 01:41:07,433 INFO L78 Accepts]: Start accepts. Automaton has 16208 states and 23506 transitions. Word has length 439 [2022-07-23 01:41:07,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-23 01:41:07,434 INFO L495 AbstractCegarLoop]: Abstraction has 16208 states and 23506 transitions. [2022-07-23 01:41:07,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 22 states have (on average 10.409090909090908) internal successors, (229), 19 states have internal predecessors, (229), 4 states have call successors, (111), 7 states have call predecessors, (111), 7 states have return successors, (78), 5 states have call predecessors, (78), 4 states have call successors, (78) [2022-07-23 01:41:07,434 INFO L276 IsEmpty]: Start isEmpty. Operand 16208 states and 23506 transitions. [2022-07-23 01:41:07,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 447 [2022-07-23 01:41:07,440 INFO L187 NwaCegarLoop]: Found error trace [2022-07-23 01:41:07,440 INFO L195 NwaCegarLoop]: trace histogram [28, 13, 13, 13, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 7, 7, 7, 7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-23 01:41:07,470 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2022-07-23 01:41:07,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:41:07,641 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-23 01:41:07,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-23 01:41:07,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1390085155, now seen corresponding path program 2 times [2022-07-23 01:41:07,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-23 01:41:07,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037304447] [2022-07-23 01:41:07,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-23 01:41:07,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-23 01:41:07,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:07,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:41:07,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:07,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:07,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:41:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:07,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-23 01:41:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:07,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:07,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:07,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:41:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:07,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-23 01:41:07,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:07,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:07,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:41:07,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:07,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-23 01:41:07,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:07,897 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:07,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:41:07,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:07,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2022-07-23 01:41:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:07,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:07,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:07,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:41:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:07,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2022-07-23 01:41:07,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:07,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:07,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:41:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:07,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-23 01:41:07,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:07,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:07,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:41:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:07,937 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-23 01:41:07,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:07,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:07,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:41:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:07,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2022-07-23 01:41:07,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:07,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:07,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2022-07-23 01:41:07,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:07,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:08,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2022-07-23 01:41:08,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:08,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2022-07-23 01:41:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2022-07-23 01:41:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:08,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 206 [2022-07-23 01:41:08,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:08,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2022-07-23 01:41:08,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,305 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2022-07-23 01:41:08,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:41:08,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 263 [2022-07-23 01:41:08,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:41:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2022-07-23 01:41:08,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2022-07-23 01:41:08,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:08,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2022-07-23 01:41:08,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:08,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:41:08,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,380 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2022-07-23 01:41:08,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:08,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2022-07-23 01:41:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-23 01:41:08,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-23 01:41:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-23 01:41:08,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2022-07-23 01:41:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 372 [2022-07-23 01:41:08,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2022-07-23 01:41:08,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2022-07-23 01:41:08,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2022-07-23 01:41:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2022-07-23 01:41:08,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:08,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2022-07-23 01:41:08,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2022-07-23 01:41:08,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-23 01:41:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-23 01:41:08,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 33 proven. 165 refuted. 0 times theorem prover too weak. 1452 trivial. 0 not checked. [2022-07-23 01:41:08,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-23 01:41:08,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037304447] [2022-07-23 01:41:08,467 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037304447] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-23 01:41:08,468 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056780299] [2022-07-23 01:41:08,468 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-07-23 01:41:08,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-23 01:41:08,468 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-23 01:41:08,469 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-23 01:41:08,471 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-07-23 01:41:12,666 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2022-07-23 01:41:12,667 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-07-23 01:41:12,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 4473 conjuncts, 32 conjunts are in the unsatisfiable core [2022-07-23 01:41:12,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-23 01:41:13,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 745 proven. 31 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked. [2022-07-23 01:41:13,647 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-23 01:41:15,330 INFO L134 CoverageAnalysis]: Checked inductivity of 1650 backedges. 33 proven. 165 refuted. 0 times theorem prover too weak. 1452 trivial. 0 not checked. [2022-07-23 01:41:15,330 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056780299] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-23 01:41:15,331 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-23 01:41:15,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 10, 10] total 25 [2022-07-23 01:41:15,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129238306] [2022-07-23 01:41:15,331 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-23 01:41:15,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2022-07-23 01:41:15,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-23 01:41:15,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2022-07-23 01:41:15,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2022-07-23 01:41:15,333 INFO L87 Difference]: Start difference. First operand 16208 states and 23506 transitions. Second operand has 25 states, 23 states have (on average 9.91304347826087) internal successors, (228), 20 states have internal predecessors, (228), 4 states have call successors, (111), 7 states have call predecessors, (111), 6 states have return successors, (77), 4 states have call predecessors, (77), 4 states have call successors, (77) [2022-07-23 01:41:36,420 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-07-23 01:41:39,022 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.60s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []