./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--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 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--scsi--bnx2i--bnx2i.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 063e80a6567f3b510ecc2efbcb0a8f49fa12a56c608116a0a2a3dc1d5e72e4c2 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 05:52:34,783 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 05:52:34,784 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 05:52:34,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 05:52:34,812 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 05:52:34,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 05:52:34,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 05:52:34,820 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 05:52:34,821 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 05:52:34,822 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 05:52:34,822 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 05:52:34,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 05:52:34,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 05:52:34,825 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 05:52:34,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 05:52:34,829 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 05:52:34,830 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 05:52:34,831 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 05:52:34,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 05:52:34,840 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 05:52:34,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 05:52:34,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 05:52:34,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 05:52:34,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 05:52:34,844 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 05:52:34,846 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 05:52:34,846 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 05:52:34,847 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 05:52:34,847 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 05:52:34,848 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 05:52:34,848 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 05:52:34,849 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 05:52:34,849 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 05:52:34,850 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 05:52:34,851 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 05:52:34,851 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 05:52:34,852 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 05:52:34,852 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 05:52:34,853 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 05:52:34,853 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 05:52:34,853 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 05:52:34,854 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 05:52:34,874 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 05:52:34,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 05:52:34,876 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 05:52:34,876 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 05:52:34,876 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 05:52:34,876 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 05:52:34,877 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 05:52:34,877 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 05:52:34,877 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 05:52:34,877 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 05:52:34,877 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 05:52:34,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 05:52:34,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 05:52:34,877 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 05:52:34,877 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 05:52:34,877 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 05:52:34,877 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 05:52:34,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 05:52:34,878 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 05:52:34,878 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 05:52:34,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 05:52:34,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 05:52:34,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 05:52:34,878 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 05:52:34,878 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 05:52:34,878 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 05:52:34,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 05:52:34,878 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 05:52:34,879 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 05:52:34,879 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 05:52:34,879 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 05:52:34,879 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 063e80a6567f3b510ecc2efbcb0a8f49fa12a56c608116a0a2a3dc1d5e72e4c2 [2021-11-17 05:52:35,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 05:52:35,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 05:52:35,077 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 05:52:35,078 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 05:52:35,078 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 05:52:35,079 INFO L432 ainManager$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--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i [2021-11-17 05:52:35,134 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee9b9b8c8/b778b735d5584af59b78ca7d8b7c317b/FLAGc7f434686 [2021-11-17 05:52:35,826 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 05:52:35,826 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--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i [2021-11-17 05:52:35,887 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee9b9b8c8/b778b735d5584af59b78ca7d8b7c317b/FLAGc7f434686 [2021-11-17 05:52:36,152 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ee9b9b8c8/b778b735d5584af59b78ca7d8b7c317b [2021-11-17 05:52:36,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 05:52:36,155 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 05:52:36,156 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 05:52:36,156 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 05:52:36,161 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 05:52:36,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:52:36" (1/1) ... [2021-11-17 05:52:36,162 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7655cbf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:52:36, skipping insertion in model container [2021-11-17 05:52:36,162 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 05:52:36" (1/1) ... [2021-11-17 05:52:36,166 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 05:52:36,289 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 05:52:38,817 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--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i[478905,478918] [2021-11-17 05:52:38,885 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 05:52:38,925 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 05:52:39,473 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--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i[478905,478918] [2021-11-17 05:52:39,480 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 05:52:39,613 INFO L208 MainTranslator]: Completed translation [2021-11-17 05:52:39,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:52:39 WrapperNode [2021-11-17 05:52:39,615 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 05:52:39,616 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 05:52:39,617 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 05:52:39,617 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 05:52:39,622 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:52:39" (1/1) ... [2021-11-17 05:52:39,716 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:52:39" (1/1) ... [2021-11-17 05:52:39,911 INFO L137 Inliner]: procedures = 430, calls = 3991, calls flagged for inlining = 187, calls inlined = 181, statements flattened = 10036 [2021-11-17 05:52:39,912 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 05:52:39,913 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 05:52:39,913 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 05:52:39,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 05:52:39,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:52:39" (1/1) ... [2021-11-17 05:52:39,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:52:39" (1/1) ... [2021-11-17 05:52:40,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:52:39" (1/1) ... [2021-11-17 05:52:40,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:52:39" (1/1) ... [2021-11-17 05:52:40,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:52:39" (1/1) ... [2021-11-17 05:52:40,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:52:39" (1/1) ... [2021-11-17 05:52:40,235 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:52:39" (1/1) ... [2021-11-17 05:52:40,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 05:52:40,278 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 05:52:40,278 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 05:52:40,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 05:52:40,280 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:52:39" (1/1) ... [2021-11-17 05:52:40,285 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 05:52:40,296 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 05:52:40,306 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-17 05:52:40,321 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-17 05:52:40,351 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_set [2021-11-17 05:52:40,351 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_set [2021-11-17 05:52:40,351 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_put_rq_buf [2021-11-17 05:52:40,351 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_put_rq_buf [2021-11-17 05:52:40,351 INFO L130 BoogieDeclarations]: Found specification of procedure __xchg_wrong_size [2021-11-17 05:52:40,352 INFO L130 BoogieDeclarations]: Found specification of procedure wake_up_process [2021-11-17 05:52:40,352 INFO L138 BoogieDeclarations]: Found implementation of procedure wake_up_process [2021-11-17 05:52:40,352 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_unsol_pdu_adjust_rq [2021-11-17 05:52:40,352 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_unsol_pdu_adjust_rq [2021-11-17 05:52:40,352 INFO L130 BoogieDeclarations]: Found specification of procedure __iscsi_complete_pdu [2021-11-17 05:52:40,352 INFO L138 BoogieDeclarations]: Found implementation of procedure __iscsi_complete_pdu [2021-11-17 05:52:40,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 05:52:40,352 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 05:52:40,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-11-17 05:52:40,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-11-17 05:52:40,353 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ep_active_list_del [2021-11-17 05:52:40,353 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ep_active_list_del [2021-11-17 05:52:40,353 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 05:52:40,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 05:52:40,353 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap_nocache [2021-11-17 05:52:40,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap_nocache [2021-11-17 05:52:40,354 INFO L130 BoogieDeclarations]: Found specification of procedure __might_sleep [2021-11-17 05:52:40,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_sleep [2021-11-17 05:52:40,354 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_session_create [2021-11-17 05:52:40,354 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_session_create [2021-11-17 05:52:40,354 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_conn_destroy [2021-11-17 05:52:40,354 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_conn_destroy [2021-11-17 05:52:40,354 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-11-17 05:52:40,354 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-11-17 05:52:40,354 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ep_get_param [2021-11-17 05:52:40,355 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ep_get_param [2021-11-17 05:52:40,355 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_eh_recover_target [2021-11-17 05:52:40,355 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_eh_recover_target [2021-11-17 05:52:40,355 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2021-11-17 05:52:40,355 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2021-11-17 05:52:40,355 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_task_xmit [2021-11-17 05:52:40,355 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_task_xmit [2021-11-17 05:52:40,355 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_adapter_ready [2021-11-17 05:52:40,356 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_adapter_ready [2021-11-17 05:52:40,356 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_get_param [2021-11-17 05:52:40,356 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_get_param [2021-11-17 05:52:40,356 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_stats [2021-11-17 05:52:40,356 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_stats [2021-11-17 05:52:40,356 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_send_nl_mesg [2021-11-17 05:52:40,356 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_send_nl_mesg [2021-11-17 05:52:40,356 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_queuecommand [2021-11-17 05:52:40,357 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_queuecommand [2021-11-17 05:52:40,357 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 05:52:40,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 05:52:40,357 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_send_iscsi_nopout [2021-11-17 05:52:40,357 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_send_iscsi_nopout [2021-11-17 05:52:40,358 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_get_param [2021-11-17 05:52:40,358 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_get_param [2021-11-17 05:52:40,358 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_tear_down_conn [2021-11-17 05:52:40,358 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_tear_down_conn [2021-11-17 05:52:40,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 05:52:40,359 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_link_state [2021-11-17 05:52:40,359 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_link_state [2021-11-17 05:52:40,359 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_teardown [2021-11-17 05:52:40,360 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_teardown [2021-11-17 05:52:40,360 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_stop [2021-11-17 05:52:40,360 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_stop [2021-11-17 05:52:40,360 INFO L130 BoogieDeclarations]: Found specification of procedure __rounddown_pow_of_two [2021-11-17 05:52:40,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __rounddown_pow_of_two [2021-11-17 05:52:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2021-11-17 05:52:40,361 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2021-11-17 05:52:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2021-11-17 05:52:40,361 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2021-11-17 05:52:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2021-11-17 05:52:40,361 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2021-11-17 05:52:40,361 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_send_pdu [2021-11-17 05:52:40,362 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_send_pdu [2021-11-17 05:52:40,362 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ring_dbell_update_sq_params [2021-11-17 05:52:40,362 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ring_dbell_update_sq_params [2021-11-17 05:52:40,362 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 05:52:40,362 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_maps_update_done [2021-11-17 05:52:40,362 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_maps_update_done [2021-11-17 05:52:40,363 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2021-11-17 05:52:40,363 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2021-11-17 05:52:40,363 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-17 05:52:40,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-17 05:52:40,363 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_iscsi_unmap_sg_list [2021-11-17 05:52:40,363 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_iscsi_unmap_sg_list [2021-11-17 05:52:40,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 05:52:40,363 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_unlock_bh [2021-11-17 05:52:40,363 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_unlock_bh [2021-11-17 05:52:40,364 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_release_free_cid_que [2021-11-17 05:52:40,364 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_release_free_cid_que [2021-11-17 05:52:40,364 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 05:52:40,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 05:52:40,365 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 05:52:40,365 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2021-11-17 05:52:40,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2021-11-17 05:52:40,365 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_set_param [2021-11-17 05:52:40,365 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_set_param [2021-11-17 05:52:40,365 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait_event [2021-11-17 05:52:40,366 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait_event [2021-11-17 05:52:40,366 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2021-11-17 05:52:40,366 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2021-11-17 05:52:40,366 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-11-17 05:52:40,367 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-11-17 05:52:40,367 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_free_qp_resc [2021-11-17 05:52:40,367 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_free_qp_resc [2021-11-17 05:52:40,367 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_session_destroy [2021-11-17 05:52:40,367 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_session_destroy [2021-11-17 05:52:40,367 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_dev_to_hba [2021-11-17 05:52:40,368 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_dev_to_hba [2021-11-17 05:52:40,368 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ep_connect [2021-11-17 05:52:40,368 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ep_connect [2021-11-17 05:52:40,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-17 05:52:40,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-17 05:52:40,368 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_task_has_unsol_data [2021-11-17 05:52:40,368 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_task_has_unsol_data [2021-11-17 05:52:40,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 05:52:40,369 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_timer_3 [2021-11-17 05:52:40,369 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_timer_3 [2021-11-17 05:52:40,369 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_cid_num [2021-11-17 05:52:40,369 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_cid_num [2021-11-17 05:52:40,370 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_hw_ep_disconnect [2021-11-17 05:52:40,371 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_hw_ep_disconnect [2021-11-17 05:52:40,372 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_sg_count [2021-11-17 05:52:40,372 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_sg_count [2021-11-17 05:52:40,372 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 05:52:40,372 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_conn_create [2021-11-17 05:52:40,373 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_conn_create [2021-11-17 05:52:40,373 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_cpu_callback [2021-11-17 05:52:40,374 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_cpu_callback [2021-11-17 05:52:40,374 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ep_ofld_list_del [2021-11-17 05:52:40,378 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ep_ofld_list_del [2021-11-17 05:52:40,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 05:52:40,378 INFO L130 BoogieDeclarations]: Found specification of procedure fls_long [2021-11-17 05:52:40,378 INFO L138 BoogieDeclarations]: Found implementation of procedure fls_long [2021-11-17 05:52:40,378 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 05:52:40,378 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_host_get_param [2021-11-17 05:52:40,378 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_host_get_param [2021-11-17 05:52:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_3 [2021-11-17 05:52:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_3 [2021-11-17 05:52:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_setup_cmd_wqe_template [2021-11-17 05:52:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_setup_cmd_wqe_template [2021-11-17 05:52:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_cleanup_task [2021-11-17 05:52:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_cleanup_task [2021-11-17 05:52:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 05:52:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 05:52:40,379 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_nl_set_path [2021-11-17 05:52:40,379 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_nl_set_path [2021-11-17 05:52:40,380 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_chip_cleanup [2021-11-17 05:52:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_chip_cleanup [2021-11-17 05:52:40,380 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_ep_poll [2021-11-17 05:52:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_ep_poll [2021-11-17 05:52:40,380 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_arm_cq_event_coalescing [2021-11-17 05:52:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_arm_cq_event_coalescing [2021-11-17 05:52:40,380 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2021-11-17 05:52:40,380 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2021-11-17 05:52:40,380 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-11-17 05:52:40,381 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-11-17 05:52:40,381 INFO L130 BoogieDeclarations]: Found specification of procedure shost_priv [2021-11-17 05:52:40,381 INFO L138 BoogieDeclarations]: Found implementation of procedure shost_priv [2021-11-17 05:52:40,381 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2021-11-17 05:52:40,381 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2021-11-17 05:52:40,381 INFO L130 BoogieDeclarations]: Found specification of procedure flush_signals [2021-11-17 05:52:40,381 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_signals [2021-11-17 05:52:40,381 INFO L130 BoogieDeclarations]: Found specification of procedure writew [2021-11-17 05:52:40,381 INFO L138 BoogieDeclarations]: Found implementation of procedure writew [2021-11-17 05:52:40,381 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2021-11-17 05:52:40,382 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2021-11-17 05:52:40,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 05:52:40,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 05:52:40,382 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2021-11-17 05:52:40,382 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2021-11-17 05:52:40,382 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-17 05:52:40,382 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-17 05:52:40,382 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab32 [2021-11-17 05:52:40,382 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab32 [2021-11-17 05:52:40,383 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_strcpy [2021-11-17 05:52:40,383 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_strcpy [2021-11-17 05:52:40,383 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-17 05:52:40,383 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-17 05:52:40,383 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_lock_bh [2021-11-17 05:52:40,383 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_lock_bh [2021-11-17 05:52:40,383 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_write_unlock_bh [2021-11-17 05:52:40,383 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_write_unlock_bh [2021-11-17 05:52:40,383 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 05:52:40,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 05:52:40,384 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_recovery_que_add_conn [2021-11-17 05:52:40,384 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_recovery_que_add_conn [2021-11-17 05:52:40,384 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 05:52:40,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 05:52:40,384 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2021-11-17 05:52:40,384 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2021-11-17 05:52:40,384 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_attr_is_visible [2021-11-17 05:52:40,384 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_attr_is_visible [2021-11-17 05:52:40,384 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_size_call_parameter [2021-11-17 05:52:40,385 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_read_lock_bh [2021-11-17 05:52:40,385 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_read_lock_bh [2021-11-17 05:52:40,385 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_bufflen [2021-11-17 05:52:40,385 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_bufflen [2021-11-17 05:52:40,385 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_process_scsi_cmd_resp [2021-11-17 05:52:40,385 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_process_scsi_cmd_resp [2021-11-17 05:52:40,385 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_destroy_cmd_pool [2021-11-17 05:52:40,385 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_destroy_cmd_pool [2021-11-17 05:52:40,385 INFO L130 BoogieDeclarations]: Found specification of procedure list_del_init [2021-11-17 05:52:40,386 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del_init [2021-11-17 05:52:40,386 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-17 05:52:40,386 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-17 05:52:40,386 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-17 05:52:40,386 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-17 05:52:40,386 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_target_alloc [2021-11-17 05:52:40,386 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_target_alloc [2021-11-17 05:52:40,386 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_read [2021-11-17 05:52:40,386 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_read [2021-11-17 05:52:40,387 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 05:52:40,387 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 05:52:40,387 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_eh_device_reset [2021-11-17 05:52:40,387 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_eh_device_reset [2021-11-17 05:52:40,387 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-17 05:52:40,387 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-17 05:52:40,387 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_conn_get_stats [2021-11-17 05:52:40,387 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_conn_get_stats [2021-11-17 05:52:40,387 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-11-17 05:52:40,388 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-11-17 05:52:40,388 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_session_recovery_timedout [2021-11-17 05:52:40,388 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_session_recovery_timedout [2021-11-17 05:52:40,388 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_unregister_transport [2021-11-17 05:52:40,388 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_unregister_transport [2021-11-17 05:52:40,388 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 05:52:40,388 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-17 05:52:40,388 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-17 05:52:40,388 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 05:52:40,388 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2021-11-17 05:52:40,389 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2021-11-17 05:52:40,389 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2021-11-17 05:52:40,389 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2021-11-17 05:52:40,389 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_itt_to_task [2021-11-17 05:52:40,389 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_itt_to_task [2021-11-17 05:52:40,389 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2021-11-17 05:52:40,389 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2021-11-17 05:52:40,389 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_write_cmd_bd_idx [2021-11-17 05:52:40,389 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_write_cmd_bd_idx [2021-11-17 05:52:40,390 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_host_for_each_session [2021-11-17 05:52:40,390 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_host_for_each_session [2021-11-17 05:52:40,390 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 05:52:40,390 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_conn_bind [2021-11-17 05:52:40,390 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_conn_bind [2021-11-17 05:52:40,390 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-17 05:52:40,390 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-17 05:52:40,391 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-17 05:52:40,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-17 05:52:40,393 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_process_new_cqes [2021-11-17 05:52:40,393 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_process_new_cqes [2021-11-17 05:52:40,394 INFO L130 BoogieDeclarations]: Found specification of procedure __fswab16 [2021-11-17 05:52:40,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __fswab16 [2021-11-17 05:52:40,394 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-17 05:52:40,394 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-17 05:52:40,394 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_free_ep [2021-11-17 05:52:40,394 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_free_ep [2021-11-17 05:52:40,395 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_conn_start [2021-11-17 05:52:40,395 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_conn_start [2021-11-17 05:52:40,395 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_find_hba_for_cnic [2021-11-17 05:52:40,395 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_find_hba_for_cnic [2021-11-17 05:52:40,395 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-17 05:52:40,395 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-17 05:52:40,396 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_free_hba [2021-11-17 05:52:40,396 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_free_hba [2021-11-17 05:52:40,396 INFO L130 BoogieDeclarations]: Found specification of procedure scsi_change_queue_depth [2021-11-17 05:52:40,396 INFO L138 BoogieDeclarations]: Found implementation of procedure scsi_change_queue_depth [2021-11-17 05:52:40,396 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_free_mp_bdt [2021-11-17 05:52:40,396 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_free_mp_bdt [2021-11-17 05:52:40,396 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2021-11-17 05:52:40,396 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2021-11-17 05:52:40,396 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2021-11-17 05:52:40,396 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2021-11-17 05:52:40,397 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_percpu_thread_destroy [2021-11-17 05:52:40,397 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_percpu_thread_destroy [2021-11-17 05:52:40,397 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 05:52:40,397 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 05:52:40,397 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_rq_buf [2021-11-17 05:52:40,397 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_rq_buf [2021-11-17 05:52:40,397 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 05:52:40,397 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 05:52:40,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 05:52:40,397 INFO L130 BoogieDeclarations]: Found specification of procedure is_power_of_2 [2021-11-17 05:52:40,398 INFO L138 BoogieDeclarations]: Found implementation of procedure is_power_of_2 [2021-11-17 05:52:40,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 05:52:40,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 05:52:40,398 INFO L130 BoogieDeclarations]: Found specification of procedure pci_dev_put [2021-11-17 05:52:40,398 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_dev_put [2021-11-17 05:52:40,398 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2021-11-17 05:52:40,398 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2021-11-17 05:52:40,398 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-17 05:52:40,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-17 05:52:40,398 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_eh_abort [2021-11-17 05:52:40,399 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_eh_abort [2021-11-17 05:52:40,399 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2021-11-17 05:52:40,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~~u32~0~TO~int [2021-11-17 05:52:40,399 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-17 05:52:40,399 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-17 05:52:40,399 INFO L130 BoogieDeclarations]: Found specification of procedure cpumask_next [2021-11-17 05:52:40,399 INFO L138 BoogieDeclarations]: Found implementation of procedure cpumask_next [2021-11-17 05:52:40,399 INFO L130 BoogieDeclarations]: Found specification of procedure dev_to_shost [2021-11-17 05:52:40,399 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_to_shost [2021-11-17 05:52:40,400 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_dec [2021-11-17 05:52:40,400 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_dec [2021-11-17 05:52:40,400 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2021-11-17 05:52:40,400 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2021-11-17 05:52:40,400 INFO L130 BoogieDeclarations]: Found specification of procedure iscsi_conn_teardown [2021-11-17 05:52:40,400 INFO L138 BoogieDeclarations]: Found implementation of procedure iscsi_conn_teardown [2021-11-17 05:52:40,400 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_percpu_thread_create [2021-11-17 05:52:40,400 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_percpu_thread_create [2021-11-17 05:52:40,400 INFO L130 BoogieDeclarations]: Found specification of procedure cpu_maps_update_begin [2021-11-17 05:52:40,400 INFO L138 BoogieDeclarations]: Found implementation of procedure cpu_maps_update_begin [2021-11-17 05:52:40,401 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_send_fw_iscsi_init_msg [2021-11-17 05:52:40,401 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_send_fw_iscsi_init_msg [2021-11-17 05:52:40,401 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2021-11-17 05:52:40,401 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2021-11-17 05:52:40,401 INFO L130 BoogieDeclarations]: Found specification of procedure msecs_to_jiffies [2021-11-17 05:52:40,401 INFO L138 BoogieDeclarations]: Found implementation of procedure msecs_to_jiffies [2021-11-17 05:52:40,401 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2021-11-17 05:52:40,401 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2021-11-17 05:52:40,401 INFO L130 BoogieDeclarations]: Found specification of procedure dma_alloc_attrs [2021-11-17 05:52:40,401 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_alloc_attrs [2021-11-17 05:52:40,402 INFO L130 BoogieDeclarations]: Found specification of procedure bnx2i_get_conn_from_id [2021-11-17 05:52:40,402 INFO L138 BoogieDeclarations]: Found implementation of procedure bnx2i_get_conn_from_id [2021-11-17 05:52:40,402 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 05:52:41,351 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 05:52:41,354 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 05:52:41,560 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 05:53:04,374 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 05:53:04,395 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 05:53:04,396 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-17 05:53:04,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 05:53:04 BoogieIcfgContainer [2021-11-17 05:53:04,399 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 05:53:04,400 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 05:53:04,401 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 05:53:04,403 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 05:53:04,403 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 05:52:36" (1/3) ... [2021-11-17 05:53:04,403 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50a611a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:53:04, skipping insertion in model container [2021-11-17 05:53:04,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 05:52:39" (2/3) ... [2021-11-17 05:53:04,404 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50a611a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 05:53:04, skipping insertion in model container [2021-11-17 05:53:04,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 05:53:04" (3/3) ... [2021-11-17 05:53:04,405 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--scsi--bnx2i--bnx2i.ko-entry_point.cil.out.i [2021-11-17 05:53:04,409 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 05:53:04,409 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 05:53:04,448 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 05:53:04,453 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-11-17 05:53:04,454 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 05:53:04,511 INFO L276 IsEmpty]: Start isEmpty. Operand has 3177 states, 2219 states have (on average 1.3609734114465977) internal successors, (3020), 2283 states have internal predecessors, (3020), 805 states have call successors, (805), 152 states have call predecessors, (805), 151 states have return successors, (797), 786 states have call predecessors, (797), 797 states have call successors, (797) [2021-11-17 05:53:04,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-11-17 05:53:04,542 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:53:04,542 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2021-11-17 05:53:04,543 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:53:04,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:53:04,546 INFO L85 PathProgramCache]: Analyzing trace with hash -501892546, now seen corresponding path program 1 times [2021-11-17 05:53:04,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:53:04,552 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085258946] [2021-11-17 05:53:04,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:53:04,553 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:53:04,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:53:05,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:53:05,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:53:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:53:05,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:53:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:53:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 05:53:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,206 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:53:05,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 05:53:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:53:05,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:53:05,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-17 05:53:05,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:53:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:53:05,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 05:53:05,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:53:05,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:53:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 05:53:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:53:05,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:53:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-17 05:53:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:53:05,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:53:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-17 05:53:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,402 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:53:05,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:53:05,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,423 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-17 05:53:05,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:53:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:53:05,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 05:53:05,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:53:05,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,485 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:53:05,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,494 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 05:53:05,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:53:05,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-17 05:53:05,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:53:05,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 05:53:05,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:53:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-11-17 05:53:05,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:53:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 05:53:05,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:53:05,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-11-17 05:53:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-11-17 05:53:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-17 05:53:05,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 05:53:05,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:53:05,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-11-17 05:53:05,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,676 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:53:05,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-11-17 05:53:05,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:53:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-11-17 05:53:05,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:53:05,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-11-17 05:53:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:53:05,728 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 778 trivial. 0 not checked. [2021-11-17 05:53:05,728 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:53:05,728 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085258946] [2021-11-17 05:53:05,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085258946] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:53:05,729 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:53:05,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 05:53:05,730 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780032543] [2021-11-17 05:53:05,730 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:53:05,733 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 05:53:05,733 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:53:05,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 05:53:05,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-17 05:53:05,755 INFO L87 Difference]: Start difference. First operand has 3177 states, 2219 states have (on average 1.3609734114465977) internal successors, (3020), 2283 states have internal predecessors, (3020), 805 states have call successors, (805), 152 states have call predecessors, (805), 151 states have return successors, (797), 786 states have call predecessors, (797), 797 states have call successors, (797) Second operand has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 2 states have internal predecessors, (109), 2 states have call successors, (34), 7 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-17 05:53:07,791 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:09,876 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:11,148 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:13,211 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:16,469 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:20,554 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:22,839 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:24,666 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:30,485 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:31,588 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:33,604 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:35,610 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:41,996 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:57,388 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:53:58,953 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.56s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:54:00,452 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:54:02,471 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:54:04,496 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:54:06,513 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:54:08,341 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.83s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:54:11,768 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:54:13,792 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:54:15,823 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:54:16,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:54:16,068 INFO L93 Difference]: Finished difference Result 7550 states and 11488 transitions. [2021-11-17 05:54:16,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 05:54:16,070 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 2 states have internal predecessors, (109), 2 states have call successors, (34), 7 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 341 [2021-11-17 05:54:16,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:54:16,112 INFO L225 Difference]: With dead ends: 7550 [2021-11-17 05:54:16,112 INFO L226 Difference]: Without dead ends: 4331 [2021-11-17 05:54:16,130 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-17 05:54:16,133 INFO L933 BasicCegarLoop]: 4282 mSDtfsCounter, 4663 mSDsluCounter, 8170 mSDsCounter, 0 mSdLazyCounter, 8430 mSolverCounterSat, 3998 mSolverCounterUnsat, 15 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 67.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4990 SdHoareTripleChecker+Valid, 12452 SdHoareTripleChecker+Invalid, 12443 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3998 IncrementalHoareTripleChecker+Valid, 8430 IncrementalHoareTripleChecker+Invalid, 15 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 69.7s IncrementalHoareTripleChecker+Time [2021-11-17 05:54:16,133 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4990 Valid, 12452 Invalid, 12443 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3998 Valid, 8430 Invalid, 15 Unknown, 0 Unchecked, 69.7s Time] [2021-11-17 05:54:16,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4331 states. [2021-11-17 05:54:16,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4331 to 3131. [2021-11-17 05:54:16,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3131 states, 2196 states have (on average 1.3565573770491803) internal successors, (2979), 2247 states have internal predecessors, (2979), 784 states have call successors, (784), 151 states have call predecessors, (784), 150 states have return successors, (783), 773 states have call predecessors, (783), 783 states have call successors, (783) [2021-11-17 05:54:16,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3131 states to 3131 states and 4546 transitions. [2021-11-17 05:54:16,325 INFO L78 Accepts]: Start accepts. Automaton has 3131 states and 4546 transitions. Word has length 341 [2021-11-17 05:54:16,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:54:16,326 INFO L470 AbstractCegarLoop]: Abstraction has 3131 states and 4546 transitions. [2021-11-17 05:54:16,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 15.571428571428571) internal successors, (109), 2 states have internal predecessors, (109), 2 states have call successors, (34), 7 states have call predecessors, (34), 2 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-17 05:54:16,327 INFO L276 IsEmpty]: Start isEmpty. Operand 3131 states and 4546 transitions. [2021-11-17 05:54:16,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2021-11-17 05:54:16,339 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:54:16,340 INFO L514 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 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] [2021-11-17 05:54:16,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 05:54:16,341 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:54:16,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:54:16,342 INFO L85 PathProgramCache]: Analyzing trace with hash -543779670, now seen corresponding path program 1 times [2021-11-17 05:54:16,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:54:16,342 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047435977] [2021-11-17 05:54:16,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:54:16,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:54:16,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:54:16,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:16,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:54:16,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:54:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:54:16,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 05:54:16,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:16,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2021-11-17 05:54:16,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:16,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:54:16,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-11-17 05:54:16,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:16,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:54:16,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 05:54:16,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:54:16,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2021-11-17 05:54:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:16,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:54:16,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-11-17 05:54:16,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:16,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,818 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:54:16,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-11-17 05:54:16,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:16,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:54:16,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-17 05:54:16,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,875 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:16,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:54:16,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 05:54:16,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:16,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:54:16,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 05:54:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:16,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-11-17 05:54:16,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:16,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-11-17 05:54:16,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:16,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:16,990 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 215 [2021-11-17 05:54:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:17,000 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:17,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:17,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 05:54:17,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:17,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:17,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:17,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2021-11-17 05:54:17,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:17,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 264 [2021-11-17 05:54:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:17,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 269 [2021-11-17 05:54:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:17,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2021-11-17 05:54:17,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:17,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:17,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2021-11-17 05:54:17,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:17,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:17,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:17,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 304 [2021-11-17 05:54:17,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:17,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:17,108 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 316 [2021-11-17 05:54:17,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:17,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:54:17,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:17,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-11-17 05:54:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:54:17,127 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 778 trivial. 0 not checked. [2021-11-17 05:54:17,127 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:54:17,127 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047435977] [2021-11-17 05:54:17,128 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047435977] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:54:17,128 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:54:17,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 05:54:17,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [497106417] [2021-11-17 05:54:17,128 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:54:17,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 05:54:17,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:54:17,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 05:54:17,131 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-17 05:54:17,131 INFO L87 Difference]: Start difference. First operand 3131 states and 4546 transitions. Second operand has 8 states, 8 states have (on average 13.625) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (34), 7 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-17 05:54:19,154 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:54:21,236 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:54:23,470 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:54:28,380 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:54:30,527 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:54:32,535 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:54:34,542 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:54:45,206 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.29s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:54:49,795 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:54:53,824 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:01,536 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:03,550 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:05,036 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:07,063 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:08,729 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:09,915 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:15,017 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:17,038 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:20,605 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:22,893 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:23,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:55:23,136 INFO L93 Difference]: Finished difference Result 10056 states and 14929 transitions. [2021-11-17 05:55:23,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-11-17 05:55:23,136 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (34), 7 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 341 [2021-11-17 05:55:23,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:55:23,172 INFO L225 Difference]: With dead ends: 10056 [2021-11-17 05:55:23,173 INFO L226 Difference]: Without dead ends: 6934 [2021-11-17 05:55:23,185 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2021-11-17 05:55:23,186 INFO L933 BasicCegarLoop]: 4686 mSDtfsCounter, 10689 mSDsluCounter, 10135 mSDsCounter, 0 mSdLazyCounter, 10692 mSolverCounterSat, 7314 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11302 SdHoareTripleChecker+Valid, 14821 SdHoareTripleChecker+Invalid, 18020 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7314 IncrementalHoareTripleChecker+Valid, 10692 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.3s IncrementalHoareTripleChecker+Time [2021-11-17 05:55:23,186 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [11302 Valid, 14821 Invalid, 18020 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7314 Valid, 10692 Invalid, 14 Unknown, 0 Unchecked, 65.3s Time] [2021-11-17 05:55:23,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6934 states. [2021-11-17 05:55:23,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6934 to 5232. [2021-11-17 05:55:23,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5232 states, 3689 states have (on average 1.3480618053673081) internal successors, (4973), 3773 states have internal predecessors, (4973), 1263 states have call successors, (1263), 279 states have call predecessors, (1263), 279 states have return successors, (1265), 1246 states have call predecessors, (1265), 1262 states have call successors, (1265) [2021-11-17 05:55:23,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5232 states to 5232 states and 7501 transitions. [2021-11-17 05:55:23,422 INFO L78 Accepts]: Start accepts. Automaton has 5232 states and 7501 transitions. Word has length 341 [2021-11-17 05:55:23,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:55:23,422 INFO L470 AbstractCegarLoop]: Abstraction has 5232 states and 7501 transitions. [2021-11-17 05:55:23,423 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 13.625) internal successors, (109), 3 states have internal predecessors, (109), 2 states have call successors, (34), 7 states have call predecessors, (34), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-11-17 05:55:23,423 INFO L276 IsEmpty]: Start isEmpty. Operand 5232 states and 7501 transitions. [2021-11-17 05:55:23,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 579 [2021-11-17 05:55:23,446 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:55:23,447 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:55:23,447 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 05:55:23,447 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:55:23,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:55:23,448 INFO L85 PathProgramCache]: Analyzing trace with hash -506192394, now seen corresponding path program 1 times [2021-11-17 05:55:23,448 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:55:23,448 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29130829] [2021-11-17 05:55:23,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:55:23,449 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:55:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:23,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:55:23,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:23,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:55:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:23,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:55:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:23,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:55:23,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:23,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:55:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:23,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:55:23,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:23,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 05:55:23,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:23,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:55:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:23,804 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-17 05:55:23,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:23,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 05:55:23,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:23,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 05:55:23,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:23,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:55:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:23,851 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:55:23,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:23,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 05:55:23,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:23,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:55:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:23,880 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:55:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:23,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 05:55:23,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:23,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-17 05:55:23,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:23,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:55:23,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:23,920 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:55:23,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:23,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 05:55:23,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:23,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:55:23,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:23,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:55:23,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:23,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-17 05:55:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:23,961 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:55:23,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:23,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:55:23,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:23,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 05:55:23,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:23,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:55:23,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:23,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:55:23,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:23,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 05:55:23,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:55:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,013 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:55:24,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 05:55:24,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:55:24,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:55:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 05:55:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:55:24,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:55:24,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-11-17 05:55:24,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:55:24,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,089 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:55:24,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,096 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-17 05:55:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:55:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:55:24,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 05:55:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,130 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:55:24,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:55:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 05:55:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,154 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:55:24,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:55:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-11-17 05:55:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,179 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:55:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:55:24,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-11-17 05:55:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:55:24,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:55:24,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-11-17 05:55:24,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:55:24,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:55:24,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,248 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-11-17 05:55:24,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:55:24,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:55:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-17 05:55:24,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,285 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:55:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:55:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-17 05:55:24,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:55:24,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:55:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 05:55:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:55:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-11-17 05:55:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:55:24,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-11-17 05:55:24,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:55:24,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-11-17 05:55:24,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:55:24,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-11-17 05:55:24,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:55:24,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-11-17 05:55:24,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2021-11-17 05:55:24,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 05:55:24,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:55:24,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2021-11-17 05:55:24,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 506 [2021-11-17 05:55:24,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2021-11-17 05:55:24,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:55:24,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2021-11-17 05:55:24,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:55:24,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2021-11-17 05:55:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:55:24,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2021-11-17 05:55:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:55:24,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2021-11-17 05:55:24,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:55:24,622 INFO L134 CoverageAnalysis]: Checked inductivity of 3112 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3110 trivial. 0 not checked. [2021-11-17 05:55:24,622 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:55:24,622 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29130829] [2021-11-17 05:55:24,622 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29130829] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:55:24,622 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:55:24,622 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-11-17 05:55:24,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [17804620] [2021-11-17 05:55:24,623 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:55:24,623 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2021-11-17 05:55:24,623 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:55:24,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-11-17 05:55:24,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-11-17 05:55:24,624 INFO L87 Difference]: Start difference. First operand 5232 states and 7501 transitions. Second operand has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 4 states have internal predecessors, (155), 2 states have call successors, (51), 8 states have call predecessors, (51), 2 states have return successors, (47), 3 states have call predecessors, (47), 2 states have call successors, (47) [2021-11-17 05:55:25,689 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:32,654 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:34,091 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:36,105 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:38,116 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:43,801 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:44,826 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:54,265 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:55,504 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:55:59,043 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:56:06,735 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:56:09,254 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:56:11,455 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:56:23,381 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:56:26,030 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:56:28,052 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:56:33,314 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:56:35,350 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:56:36,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:56:36,960 INFO L93 Difference]: Finished difference Result 13544 states and 20301 transitions. [2021-11-17 05:56:36,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-17 05:56:36,960 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 4 states have internal predecessors, (155), 2 states have call successors, (51), 8 states have call predecessors, (51), 2 states have return successors, (47), 3 states have call predecessors, (47), 2 states have call successors, (47) Word has length 578 [2021-11-17 05:56:36,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:56:37,010 INFO L225 Difference]: With dead ends: 13544 [2021-11-17 05:56:37,010 INFO L226 Difference]: Without dead ends: 8321 [2021-11-17 05:56:37,028 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2021-11-17 05:56:37,031 INFO L933 BasicCegarLoop]: 5809 mSDtfsCounter, 7322 mSDsluCounter, 23531 mSDsCounter, 0 mSdLazyCounter, 13997 mSolverCounterSat, 6159 mSolverCounterUnsat, 10 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 68.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8085 SdHoareTripleChecker+Valid, 29340 SdHoareTripleChecker+Invalid, 20166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6159 IncrementalHoareTripleChecker+Valid, 13997 IncrementalHoareTripleChecker+Invalid, 10 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 71.6s IncrementalHoareTripleChecker+Time [2021-11-17 05:56:37,033 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8085 Valid, 29340 Invalid, 20166 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6159 Valid, 13997 Invalid, 10 Unknown, 0 Unchecked, 71.6s Time] [2021-11-17 05:56:37,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8321 states. [2021-11-17 05:56:37,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8321 to 5236. [2021-11-17 05:56:37,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5236 states, 3692 states have (on average 1.3477789815817984) internal successors, (4976), 3776 states have internal predecessors, (4976), 1263 states have call successors, (1263), 279 states have call predecessors, (1263), 280 states have return successors, (1269), 1247 states have call predecessors, (1269), 1262 states have call successors, (1269) [2021-11-17 05:56:37,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5236 states to 5236 states and 7508 transitions. [2021-11-17 05:56:37,270 INFO L78 Accepts]: Start accepts. Automaton has 5236 states and 7508 transitions. Word has length 578 [2021-11-17 05:56:37,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:56:37,272 INFO L470 AbstractCegarLoop]: Abstraction has 5236 states and 7508 transitions. [2021-11-17 05:56:37,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 14.090909090909092) internal successors, (155), 4 states have internal predecessors, (155), 2 states have call successors, (51), 8 states have call predecessors, (51), 2 states have return successors, (47), 3 states have call predecessors, (47), 2 states have call successors, (47) [2021-11-17 05:56:37,273 INFO L276 IsEmpty]: Start isEmpty. Operand 5236 states and 7508 transitions. [2021-11-17 05:56:37,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2021-11-17 05:56:37,293 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:56:37,294 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:56:37,294 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 05:56:37,294 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:56:37,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:56:37,295 INFO L85 PathProgramCache]: Analyzing trace with hash 713024326, now seen corresponding path program 1 times [2021-11-17 05:56:37,295 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:56:37,295 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1337787289] [2021-11-17 05:56:37,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:56:37,295 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:56:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:56:37,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:56:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:56:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,532 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:56:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 05:56:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:37,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-17 05:56:37,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 05:56:37,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 05:56:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:37,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:56:37,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 05:56:37,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:37,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:56:37,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 05:56:37,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-17 05:56:37,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:37,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:56:37,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 05:56:37,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:37,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:56:37,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-17 05:56:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:37,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:56:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 05:56:37,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,747 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:37,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:56:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,759 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 05:56:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:56:37,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 05:56:37,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:37,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:56:37,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 05:56:37,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:37,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:56:37,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-11-17 05:56:37,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:37,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:56:37,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-17 05:56:37,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:37,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:56:37,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 05:56:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:37,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:56:37,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 05:56:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:56:37,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-11-17 05:56:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,932 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,938 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:56:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-11-17 05:56:37,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:37,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:56:37,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-11-17 05:56:37,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:37,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,981 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:56:37,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-11-17 05:56:37,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:37,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:38,005 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:56:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:38,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-17 05:56:38,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:38,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:38,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:56:38,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:38,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-17 05:56:38,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:38,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:38,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:38,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:56:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:38,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 05:56:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:38,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:38,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:38,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-11-17 05:56:38,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:38,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:38,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:38,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-11-17 05:56:38,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:38,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:38,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:38,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-11-17 05:56:38,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:38,118 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:38,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-11-17 05:56:38,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:38,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:38,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:38,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-11-17 05:56:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:38,144 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 05:56:38,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:38,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2021-11-17 05:56:38,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:38,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2021-11-17 05:56:38,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:38,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:38,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:38,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-11-17 05:56:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:38,178 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:38,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2021-11-17 05:56:38,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:38,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:38,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2021-11-17 05:56:38,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:38,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:56:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:38,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2021-11-17 05:56:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:56:38,209 INFO L134 CoverageAnalysis]: Checked inductivity of 3107 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3107 trivial. 0 not checked. [2021-11-17 05:56:38,210 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:56:38,210 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1337787289] [2021-11-17 05:56:38,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1337787289] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:56:38,210 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:56:38,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 05:56:38,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002055297] [2021-11-17 05:56:38,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:56:38,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 05:56:38,211 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:56:38,212 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 05:56:38,212 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-17 05:56:38,212 INFO L87 Difference]: Start difference. First operand 5236 states and 7508 transitions. Second operand has 8 states, 8 states have (on average 18.125) internal successors, (145), 3 states have internal predecessors, (145), 2 states have call successors, (48), 7 states have call predecessors, (48), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-17 05:56:40,234 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:56:42,758 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:56:46,465 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:56:48,501 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:56:50,523 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:56:53,218 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:56:55,227 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:08,036 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:10,248 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:18,092 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:20,113 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:22,135 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:25,158 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:27,559 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:27,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:57:27,788 INFO L93 Difference]: Finished difference Result 12160 states and 17895 transitions. [2021-11-17 05:57:27,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-11-17 05:57:27,797 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 18.125) internal successors, (145), 3 states have internal predecessors, (145), 2 states have call successors, (48), 7 states have call predecessors, (48), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 560 [2021-11-17 05:57:27,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:57:27,837 INFO L225 Difference]: With dead ends: 12160 [2021-11-17 05:57:27,837 INFO L226 Difference]: Without dead ends: 6933 [2021-11-17 05:57:27,850 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2021-11-17 05:57:27,852 INFO L933 BasicCegarLoop]: 4125 mSDtfsCounter, 6932 mSDsluCounter, 8006 mSDsCounter, 0 mSdLazyCounter, 6475 mSolverCounterSat, 6326 mSolverCounterUnsat, 11 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 46.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7259 SdHoareTripleChecker+Valid, 12131 SdHoareTripleChecker+Invalid, 12812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6326 IncrementalHoareTripleChecker+Valid, 6475 IncrementalHoareTripleChecker+Invalid, 11 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 49.1s IncrementalHoareTripleChecker+Time [2021-11-17 05:57:27,852 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7259 Valid, 12131 Invalid, 12812 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6326 Valid, 6475 Invalid, 11 Unknown, 0 Unchecked, 49.1s Time] [2021-11-17 05:57:27,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6933 states. [2021-11-17 05:57:27,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6933 to 5237. [2021-11-17 05:57:27,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5237 states, 3693 states have (on average 1.347684809098294) internal successors, (4977), 3777 states have internal predecessors, (4977), 1263 states have call successors, (1263), 279 states have call predecessors, (1263), 280 states have return successors, (1269), 1247 states have call predecessors, (1269), 1262 states have call successors, (1269) [2021-11-17 05:57:28,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5237 states to 5237 states and 7509 transitions. [2021-11-17 05:57:28,011 INFO L78 Accepts]: Start accepts. Automaton has 5237 states and 7509 transitions. Word has length 560 [2021-11-17 05:57:28,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:57:28,013 INFO L470 AbstractCegarLoop]: Abstraction has 5237 states and 7509 transitions. [2021-11-17 05:57:28,013 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 18.125) internal successors, (145), 3 states have internal predecessors, (145), 2 states have call successors, (48), 7 states have call predecessors, (48), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-17 05:57:28,013 INFO L276 IsEmpty]: Start isEmpty. Operand 5237 states and 7509 transitions. [2021-11-17 05:57:28,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2021-11-17 05:57:28,039 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:57:28,040 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:57:28,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 05:57:28,040 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:57:28,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:57:28,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1368884731, now seen corresponding path program 1 times [2021-11-17 05:57:28,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:57:28,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400292910] [2021-11-17 05:57:28,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:57:28,042 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:57:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,220 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:57:28,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:57:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:28,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,255 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 05:57:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,274 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:28,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-17 05:57:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 05:57:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 05:57:28,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:28,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,320 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 05:57:28,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:28,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,343 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 05:57:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-17 05:57:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:28,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,366 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:28,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,373 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 05:57:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:28,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-17 05:57:28,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:28,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:28,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 05:57:28,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:28,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 05:57:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:28,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:28,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 05:57:28,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,454 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:28,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 05:57:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:28,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-11-17 05:57:28,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:28,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-17 05:57:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,518 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,530 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 05:57:28,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:28,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,545 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:28,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 05:57:28,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:28,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:28,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,623 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-11-17 05:57:28,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:28,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-11-17 05:57:28,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,647 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:28,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:28,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-11-17 05:57:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:28,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:28,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-11-17 05:57:28,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:28,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-17 05:57:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:28,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:28,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-17 05:57:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:28,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:57:28,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 05:57:28,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:28,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-11-17 05:57:28,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,773 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:28,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,780 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-11-17 05:57:28,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:28,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,798 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-11-17 05:57:28,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:28,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,812 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-11-17 05:57:28,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,819 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:28,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-11-17 05:57:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2021-11-17 05:57:28,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 05:57:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:28,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,881 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2021-11-17 05:57:28,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-11-17 05:57:28,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2021-11-17 05:57:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:28,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2021-11-17 05:57:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,925 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:28,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2021-11-17 05:57:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2021-11-17 05:57:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:57:28,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2021-11-17 05:57:28,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:57:28,964 INFO L134 CoverageAnalysis]: Checked inductivity of 3112 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3110 trivial. 0 not checked. [2021-11-17 05:57:28,964 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:57:28,964 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [400292910] [2021-11-17 05:57:28,964 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [400292910] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:57:28,964 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:57:28,964 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-11-17 05:57:28,965 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1076760148] [2021-11-17 05:57:28,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:57:28,966 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-11-17 05:57:28,966 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:57:28,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-11-17 05:57:28,967 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-11-17 05:57:28,967 INFO L87 Difference]: Start difference. First operand 5237 states and 7509 transitions. Second operand has 9 states, 9 states have (on average 17.555555555555557) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (51), 8 states have call predecessors, (51), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-11-17 05:57:30,991 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:33,079 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:37,867 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:40,008 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:42,028 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:43,691 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.66s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:45,649 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:49,276 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:57,715 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:57:59,893 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:58:05,184 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:58:06,965 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:58:09,001 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:58:19,417 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:58:21,433 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:58:22,974 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.54s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:58:25,002 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:58:26,798 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.80s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:58:28,667 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:58:32,821 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:58:34,847 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:58:35,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:58:35,132 INFO L93 Difference]: Finished difference Result 12187 states and 17952 transitions. [2021-11-17 05:58:35,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-11-17 05:58:35,133 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 17.555555555555557) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (51), 8 states have call predecessors, (51), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 581 [2021-11-17 05:58:35,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:58:35,152 INFO L225 Difference]: With dead ends: 12187 [2021-11-17 05:58:35,153 INFO L226 Difference]: Without dead ends: 6959 [2021-11-17 05:58:35,165 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2021-11-17 05:58:35,165 INFO L933 BasicCegarLoop]: 4125 mSDtfsCounter, 5572 mSDsluCounter, 9523 mSDsCounter, 0 mSdLazyCounter, 8510 mSolverCounterSat, 5067 mSolverCounterUnsat, 13 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 62.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5980 SdHoareTripleChecker+Valid, 13648 SdHoareTripleChecker+Invalid, 13590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5067 IncrementalHoareTripleChecker+Valid, 8510 IncrementalHoareTripleChecker+Invalid, 13 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 65.6s IncrementalHoareTripleChecker+Time [2021-11-17 05:58:35,166 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5980 Valid, 13648 Invalid, 13590 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5067 Valid, 8510 Invalid, 13 Unknown, 0 Unchecked, 65.6s Time] [2021-11-17 05:58:35,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6959 states. [2021-11-17 05:58:35,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6959 to 5239. [2021-11-17 05:58:35,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5239 states, 3695 states have (on average 1.3474966170500677) internal successors, (4979), 3779 states have internal predecessors, (4979), 1263 states have call successors, (1263), 279 states have call predecessors, (1263), 280 states have return successors, (1269), 1247 states have call predecessors, (1269), 1262 states have call successors, (1269) [2021-11-17 05:58:35,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5239 states to 5239 states and 7511 transitions. [2021-11-17 05:58:35,321 INFO L78 Accepts]: Start accepts. Automaton has 5239 states and 7511 transitions. Word has length 581 [2021-11-17 05:58:35,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:58:35,322 INFO L470 AbstractCegarLoop]: Abstraction has 5239 states and 7511 transitions. [2021-11-17 05:58:35,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 17.555555555555557) internal successors, (158), 3 states have internal predecessors, (158), 2 states have call successors, (51), 8 states have call predecessors, (51), 2 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2021-11-17 05:58:35,322 INFO L276 IsEmpty]: Start isEmpty. Operand 5239 states and 7511 transitions. [2021-11-17 05:58:35,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2021-11-17 05:58:35,340 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:58:35,341 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:58:35,341 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 05:58:35,341 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:58:35,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:58:35,341 INFO L85 PathProgramCache]: Analyzing trace with hash -658782972, now seen corresponding path program 1 times [2021-11-17 05:58:35,342 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:58:35,342 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802200345] [2021-11-17 05:58:35,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:58:35,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:58:35,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:58:35,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:35,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,572 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:58:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:58:35,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:35,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:58:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 05:58:35,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:35,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-17 05:58:35,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 05:58:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 05:58:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:35,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:58:35,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2021-11-17 05:58:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:58:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-11-17 05:58:35,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-17 05:58:35,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:35,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,717 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:58:35,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2021-11-17 05:58:35,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:35,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:58:35,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,746 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2021-11-17 05:58:35,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:35,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:58:35,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-11-17 05:58:35,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:35,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,790 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:58:35,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2021-11-17 05:58:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,808 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:35,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:58:35,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2021-11-17 05:58:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,832 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:58:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,846 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 05:58:35,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,857 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:58:35,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,870 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-11-17 05:58:35,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:35,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:58:35,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,895 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-17 05:58:35,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:35,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,909 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:58:35,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2021-11-17 05:58:35,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:58:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 05:58:35,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,950 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:35,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:58:35,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:35,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-11-17 05:58:35,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:36,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:58:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2021-11-17 05:58:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:36,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:58:36,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-11-17 05:58:36,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:36,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:58:36,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2021-11-17 05:58:36,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,076 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:36,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,082 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:58:36,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 369 [2021-11-17 05:58:36,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:36,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:58:36,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 385 [2021-11-17 05:58:36,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:36,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:58:36,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2021-11-17 05:58:36,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,142 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2021-11-17 05:58:36,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:36,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2021-11-17 05:58:36,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2021-11-17 05:58:36,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:36,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,188 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2021-11-17 05:58:36,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:36,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2021-11-17 05:58:36,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2021-11-17 05:58:36,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2021-11-17 05:58:36,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2021-11-17 05:58:36,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:36,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2021-11-17 05:58:36,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:36,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2021-11-17 05:58:36,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:36,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2021-11-17 05:58:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:58:36,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,279 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2021-11-17 05:58:36,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:58:36,287 INFO L134 CoverageAnalysis]: Checked inductivity of 3107 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3100 trivial. 0 not checked. [2021-11-17 05:58:36,287 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:58:36,287 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802200345] [2021-11-17 05:58:36,287 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802200345] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:58:36,287 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 05:58:36,287 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-11-17 05:58:36,287 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727452625] [2021-11-17 05:58:36,288 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:58:36,288 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-11-17 05:58:36,288 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:58:36,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-11-17 05:58:36,289 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-11-17 05:58:36,289 INFO L87 Difference]: Start difference. First operand 5239 states and 7511 transitions. Second operand has 10 states, 10 states have (on average 15.1) internal successors, (151), 5 states have internal predecessors, (151), 2 states have call successors, (48), 7 states have call predecessors, (48), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-17 05:58:39,323 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:58:44,350 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:58:46,385 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.89s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:58:48,400 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:58:53,719 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:01,622 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:11,506 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:22,777 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:26,840 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:30,025 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:30,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:59:30,278 INFO L93 Difference]: Finished difference Result 12173 states and 17904 transitions. [2021-11-17 05:59:30,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-11-17 05:59:30,279 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 15.1) internal successors, (151), 5 states have internal predecessors, (151), 2 states have call successors, (48), 7 states have call predecessors, (48), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) Word has length 560 [2021-11-17 05:59:30,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:59:30,296 INFO L225 Difference]: With dead ends: 12173 [2021-11-17 05:59:30,297 INFO L226 Difference]: Without dead ends: 6935 [2021-11-17 05:59:30,307 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2021-11-17 05:59:30,307 INFO L933 BasicCegarLoop]: 4144 mSDtfsCounter, 6018 mSDsluCounter, 14401 mSDsCounter, 0 mSdLazyCounter, 10835 mSolverCounterSat, 5274 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 50.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6345 SdHoareTripleChecker+Valid, 18545 SdHoareTripleChecker+Invalid, 16116 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5274 IncrementalHoareTripleChecker+Valid, 10835 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 53.5s IncrementalHoareTripleChecker+Time [2021-11-17 05:59:30,308 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6345 Valid, 18545 Invalid, 16116 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5274 Valid, 10835 Invalid, 7 Unknown, 0 Unchecked, 53.5s Time] [2021-11-17 05:59:30,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6935 states. [2021-11-17 05:59:30,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6935 to 5239. [2021-11-17 05:59:30,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5239 states, 3695 states have (on average 1.346955345060893) internal successors, (4977), 3779 states have internal predecessors, (4977), 1263 states have call successors, (1263), 279 states have call predecessors, (1263), 280 states have return successors, (1269), 1247 states have call predecessors, (1269), 1262 states have call successors, (1269) [2021-11-17 05:59:30,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5239 states to 5239 states and 7509 transitions. [2021-11-17 05:59:30,447 INFO L78 Accepts]: Start accepts. Automaton has 5239 states and 7509 transitions. Word has length 560 [2021-11-17 05:59:30,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:59:30,447 INFO L470 AbstractCegarLoop]: Abstraction has 5239 states and 7509 transitions. [2021-11-17 05:59:30,447 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 15.1) internal successors, (151), 5 states have internal predecessors, (151), 2 states have call successors, (48), 7 states have call predecessors, (48), 1 states have return successors, (44), 2 states have call predecessors, (44), 2 states have call successors, (44) [2021-11-17 05:59:30,447 INFO L276 IsEmpty]: Start isEmpty. Operand 5239 states and 7509 transitions. [2021-11-17 05:59:30,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 591 [2021-11-17 05:59:30,461 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:59:30,461 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:59:30,462 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-17 05:59:30,462 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:59:30,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:59:30,462 INFO L85 PathProgramCache]: Analyzing trace with hash 420086179, now seen corresponding path program 1 times [2021-11-17 05:59:30,462 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:59:30,462 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584710166] [2021-11-17 05:59:30,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:59:30,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:59:30,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:59:30,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:30,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,724 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:30,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:59:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,737 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:30,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,757 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 05:59:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,765 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:30,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-17 05:59:30,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,787 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 05:59:30,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-17 05:59:30,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2021-11-17 05:59:30,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:30,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 05:59:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,852 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-11-17 05:59:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 124 [2021-11-17 05:59:30,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:30,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-11-17 05:59:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:30,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:30,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2021-11-17 05:59:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,927 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-11-17 05:59:30,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:30,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:30,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2021-11-17 05:59:30,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:30,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2021-11-17 05:59:30,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:30,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:30,999 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-11-17 05:59:31,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:31,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 238 [2021-11-17 05:59:31,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,036 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2021-11-17 05:59:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:31,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2021-11-17 05:59:31,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:31,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:31,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-11-17 05:59:31,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:31,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,141 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:31,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,148 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2021-11-17 05:59:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:31,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2021-11-17 05:59:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,177 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:31,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:31,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2021-11-17 05:59:31,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,197 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:31,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,209 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 360 [2021-11-17 05:59:31,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:31,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,223 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:31,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2021-11-17 05:59:31,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,237 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:31,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,249 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2021-11-17 05:59:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:31,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,272 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:31,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2021-11-17 05:59:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,290 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,308 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2021-11-17 05:59:31,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-11-17 05:59:31,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:31,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,347 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2021-11-17 05:59:31,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2021-11-17 05:59:31,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,374 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:31,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2021-11-17 05:59:31,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2021-11-17 05:59:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,416 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 490 [2021-11-17 05:59:31,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2021-11-17 05:59:31,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2021-11-17 05:59:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2021-11-17 05:59:31,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:31,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2021-11-17 05:59:31,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:31,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2021-11-17 05:59:31,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:31,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 565 [2021-11-17 05:59:31,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2021-11-17 05:59:31,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:31,523 INFO L134 CoverageAnalysis]: Checked inductivity of 3112 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 3099 trivial. 0 not checked. [2021-11-17 05:59:31,524 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:59:31,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584710166] [2021-11-17 05:59:31,524 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584710166] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 05:59:31,524 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [635527202] [2021-11-17 05:59:31,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:59:31,525 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 05:59:31,525 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 05:59:31,526 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 05:59:31,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-17 05:59:32,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:32,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 4607 conjuncts, 7 conjunts are in the unsatisfiable core [2021-11-17 05:59:32,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 05:59:33,720 INFO L134 CoverageAnalysis]: Checked inductivity of 3112 backedges. 592 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2021-11-17 05:59:33,721 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 05:59:33,721 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [635527202] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:59:33,721 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 05:59:33,721 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 15 [2021-11-17 05:59:33,721 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970407528] [2021-11-17 05:59:33,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:59:33,722 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 05:59:33,722 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:59:33,723 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 05:59:33,723 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2021-11-17 05:59:33,723 INFO L87 Difference]: Start difference. First operand 5239 states and 7509 transitions. Second operand has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2021-11-17 05:59:35,003 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 05:59:35,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:59:35,220 INFO L93 Difference]: Finished difference Result 10476 states and 15015 transitions. [2021-11-17 05:59:35,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 05:59:35,221 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) Word has length 590 [2021-11-17 05:59:35,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:59:35,237 INFO L225 Difference]: With dead ends: 10476 [2021-11-17 05:59:35,237 INFO L226 Difference]: Without dead ends: 5226 [2021-11-17 05:59:35,251 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 785 GetRequests, 770 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2021-11-17 05:59:35,252 INFO L933 BasicCegarLoop]: 4542 mSDtfsCounter, 6 mSDsluCounter, 13618 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 18160 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2021-11-17 05:59:35,252 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6 Valid, 18160 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2021-11-17 05:59:35,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5226 states. [2021-11-17 05:59:35,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5226 to 5226. [2021-11-17 05:59:35,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5226 states, 3686 states have (on average 1.346717308735757) internal successors, (4964), 3770 states have internal predecessors, (4964), 1261 states have call successors, (1261), 277 states have call predecessors, (1261), 278 states have return successors, (1267), 1245 states have call predecessors, (1267), 1260 states have call successors, (1267) [2021-11-17 05:59:35,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5226 states to 5226 states and 7492 transitions. [2021-11-17 05:59:35,415 INFO L78 Accepts]: Start accepts. Automaton has 5226 states and 7492 transitions. Word has length 590 [2021-11-17 05:59:35,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:59:35,416 INFO L470 AbstractCegarLoop]: Abstraction has 5226 states and 7492 transitions. [2021-11-17 05:59:35,416 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 37.6) internal successors, (188), 5 states have internal predecessors, (188), 3 states have call successors, (55), 2 states have call predecessors, (55), 2 states have return successors, (51), 3 states have call predecessors, (51), 3 states have call successors, (51) [2021-11-17 05:59:35,416 INFO L276 IsEmpty]: Start isEmpty. Operand 5226 states and 7492 transitions. [2021-11-17 05:59:35,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 589 [2021-11-17 05:59:35,429 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:59:35,430 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:59:35,459 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-11-17 05:59:35,639 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 05:59:35,640 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:59:35,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:59:35,640 INFO L85 PathProgramCache]: Analyzing trace with hash 453741831, now seen corresponding path program 1 times [2021-11-17 05:59:35,640 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:59:35,640 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160656497] [2021-11-17 05:59:35,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:59:35,640 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:59:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:35,860 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:59:35,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:35,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:35,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:35,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:35,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:35,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:59:35,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:35,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:35,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:35,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:35,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:35,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 05:59:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:35,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:35,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2021-11-17 05:59:35,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:35,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 05:59:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,001 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-11-17 05:59:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 85 [2021-11-17 05:59:36,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,020 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-11-17 05:59:36,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2021-11-17 05:59:36,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,041 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-11-17 05:59:36,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:36,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:36,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2021-11-17 05:59:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:36,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:36,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,101 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-11-17 05:59:36,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-11-17 05:59:36,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:36,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,134 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:36,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-11-17 05:59:36,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:36,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:36,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-11-17 05:59:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,183 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:36,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:36,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-11-17 05:59:36,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:36,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-11-17 05:59:36,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,236 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:36,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:36,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-11-17 05:59:36,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,268 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:36,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:36,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-11-17 05:59:36,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,292 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:36,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,299 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:36,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,307 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2021-11-17 05:59:36,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:36,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,324 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:36,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-11-17 05:59:36,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:36,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:36,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,357 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2021-11-17 05:59:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:36,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:36,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-11-17 05:59:36,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:36,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2021-11-17 05:59:36,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:36,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,426 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,434 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-11-17 05:59:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,447 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:36,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:36,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2021-11-17 05:59:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:36,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:36,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 381 [2021-11-17 05:59:36,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,501 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:36,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:36,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 397 [2021-11-17 05:59:36,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:36,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,569 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2021-11-17 05:59:36,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:36,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,588 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2021-11-17 05:59:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:36,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,602 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2021-11-17 05:59:36,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:36,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2021-11-17 05:59:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:36,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2021-11-17 05:59:36,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 473 [2021-11-17 05:59:36,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:36,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2021-11-17 05:59:36,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2021-11-17 05:59:36,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2021-11-17 05:59:36,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2021-11-17 05:59:36,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2021-11-17 05:59:36,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 551 [2021-11-17 05:59:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2021-11-17 05:59:36,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:36,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 575 [2021-11-17 05:59:36,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:36,734 INFO L134 CoverageAnalysis]: Checked inductivity of 3113 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 3102 trivial. 0 not checked. [2021-11-17 05:59:36,734 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:59:36,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160656497] [2021-11-17 05:59:36,734 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160656497] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 05:59:36,734 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308826734] [2021-11-17 05:59:36,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:59:36,735 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 05:59:36,735 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 05:59:36,736 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 05:59:36,737 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-11-17 05:59:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:38,308 INFO L263 TraceCheckSpWp]: Trace formula consists of 4575 conjuncts, 17 conjunts are in the unsatisfiable core [2021-11-17 05:59:38,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 05:59:39,162 INFO L134 CoverageAnalysis]: Checked inductivity of 3113 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 3026 trivial. 0 not checked. [2021-11-17 05:59:39,163 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-11-17 05:59:39,163 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308826734] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 05:59:39,163 INFO L186 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2021-11-17 05:59:39,163 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [11] total 15 [2021-11-17 05:59:39,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1618321792] [2021-11-17 05:59:39,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 05:59:39,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 05:59:39,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:59:39,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 05:59:39,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2021-11-17 05:59:39,164 INFO L87 Difference]: Start difference. First operand 5226 states and 7492 transitions. Second operand has 6 states, 5 states have (on average 35.0) internal successors, (175), 6 states have internal predecessors, (175), 3 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2021-11-17 05:59:39,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 05:59:39,603 INFO L93 Difference]: Finished difference Result 10456 states and 15129 transitions. [2021-11-17 05:59:39,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-17 05:59:39,604 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 35.0) internal successors, (175), 6 states have internal predecessors, (175), 3 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) Word has length 588 [2021-11-17 05:59:39,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 05:59:39,620 INFO L225 Difference]: With dead ends: 10456 [2021-11-17 05:59:39,620 INFO L226 Difference]: Without dead ends: 5232 [2021-11-17 05:59:39,635 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 783 GetRequests, 768 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=234, Unknown=0, NotChecked=0, Total=272 [2021-11-17 05:59:39,636 INFO L933 BasicCegarLoop]: 4502 mSDtfsCounter, 6 mSDsluCounter, 17922 mSDsCounter, 0 mSdLazyCounter, 256 mSolverCounterSat, 47 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 22424 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 47 IncrementalHoareTripleChecker+Valid, 256 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2021-11-17 05:59:39,636 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8 Valid, 22424 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [47 Valid, 256 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2021-11-17 05:59:39,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5232 states. [2021-11-17 05:59:39,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5232 to 5232. [2021-11-17 05:59:39,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5232 states, 3690 states have (on average 1.3468834688346885) internal successors, (4970), 3776 states have internal predecessors, (4970), 1261 states have call successors, (1261), 277 states have call predecessors, (1261), 280 states have return successors, (1277), 1245 states have call predecessors, (1277), 1260 states have call successors, (1277) [2021-11-17 05:59:39,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5232 states to 5232 states and 7508 transitions. [2021-11-17 05:59:39,825 INFO L78 Accepts]: Start accepts. Automaton has 5232 states and 7508 transitions. Word has length 588 [2021-11-17 05:59:39,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 05:59:39,826 INFO L470 AbstractCegarLoop]: Abstraction has 5232 states and 7508 transitions. [2021-11-17 05:59:39,826 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 35.0) internal successors, (175), 6 states have internal predecessors, (175), 3 states have call successors, (54), 2 states have call predecessors, (54), 4 states have return successors, (50), 3 states have call predecessors, (50), 3 states have call successors, (50) [2021-11-17 05:59:39,826 INFO L276 IsEmpty]: Start isEmpty. Operand 5232 states and 7508 transitions. [2021-11-17 05:59:39,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 595 [2021-11-17 05:59:39,846 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 05:59:39,846 INFO L514 BasicCegarLoop]: trace histogram [21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 05:59:39,887 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-11-17 05:59:40,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-11-17 05:59:40,072 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 05:59:40,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 05:59:40,072 INFO L85 PathProgramCache]: Analyzing trace with hash 869736515, now seen corresponding path program 1 times [2021-11-17 05:59:40,072 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 05:59:40,072 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294727632] [2021-11-17 05:59:40,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:59:40,072 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 05:59:40,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 05:59:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,327 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 05:59:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:40,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:40,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2021-11-17 05:59:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,369 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2021-11-17 05:59:40,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-11-17 05:59:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2021-11-17 05:59:40,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2021-11-17 05:59:40,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2021-11-17 05:59:40,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,439 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2021-11-17 05:59:40,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 106 [2021-11-17 05:59:40,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,453 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:40,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:40,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2021-11-17 05:59:40,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:40,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,478 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:40,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-11-17 05:59:40,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-11-17 05:59:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-11-17 05:59:40,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:40,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,527 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-11-17 05:59:40,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,535 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:40,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,542 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2021-11-17 05:59:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,563 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,571 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2021-11-17 05:59:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:40,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-11-17 05:59:40,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:40,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2021-11-17 05:59:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:40,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:40,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 260 [2021-11-17 05:59:40,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:40,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:40,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 276 [2021-11-17 05:59:40,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:40,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,669 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:40,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2021-11-17 05:59:40,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:40,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,689 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:40,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,694 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2021-11-17 05:59:40,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:40,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,708 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:40,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2021-11-17 05:59:40,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:40,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-11-17 05:59:40,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,740 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:40,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,745 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:40,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2021-11-17 05:59:40,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,758 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:40,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:40,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2021-11-17 05:59:40,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,776 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:40,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:40,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2021-11-17 05:59:40,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:40,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2021-11-17 05:59:40,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 05:59:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,826 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2021-11-17 05:59:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:40,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,842 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2021-11-17 05:59:40,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2021-11-17 05:59:40,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:40,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2021-11-17 05:59:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2021-11-17 05:59:40,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2021-11-17 05:59:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2021-11-17 05:59:40,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2021-11-17 05:59:40,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,967 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2021-11-17 05:59:40,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,974 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:40,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,979 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2021-11-17 05:59:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:40,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,988 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2021-11-17 05:59:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,993 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:40,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:40,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2021-11-17 05:59:40,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:41,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 05:59:41,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:41,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 581 [2021-11-17 05:59:41,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:41,012 INFO L134 CoverageAnalysis]: Checked inductivity of 3164 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 3153 trivial. 0 not checked. [2021-11-17 05:59:41,012 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 05:59:41,012 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294727632] [2021-11-17 05:59:41,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294727632] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 05:59:41,012 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1259006143] [2021-11-17 05:59:41,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 05:59:41,013 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-17 05:59:41,013 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 05:59:41,014 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-17 05:59:41,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-11-17 05:59:42,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 05:59:42,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 4611 conjuncts, 92 conjunts are in the unsatisfiable core [2021-11-17 05:59:42,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-17 05:59:42,531 INFO L354 Elim1Store]: treesize reduction 24, result has 4.0 percent of original size [2021-11-17 05:59:42,532 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 34 [2021-11-17 05:59:43,128 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-11-17 05:59:44,807 WARN L860 $PredicateComparison]: unable to prove that (exists ((|#Ultimate.C_memset_#value| Int) (|#Ultimate.C_memset_#ptr.offset| Int) (|v_#Ultimate.C_memset_#t~loopctr2512_6| Int)) (= (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr2512_6| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2021-11-17 05:59:46,213 WARN L860 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr2512_6| Int) (|#Ultimate.C_memset_#ptr.offset| Int) (|#Ultimate.C_memset_#value| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_ldv_memset_#in~s.base| (store (select |c_old(#memory_int)| |c_ldv_memset_#in~s.base|) (+ |v_#Ultimate.C_memset_#t~loopctr2512_6| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|)))) is different from true [2021-11-17 05:59:46,246 INFO L354 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2021-11-17 05:59:46,246 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 32 [2021-11-17 05:59:47,632 WARN L860 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr2512_7| Int) (|#Ultimate.C_memset_#value| Int) (|#Ultimate.C_memset_#ptr.offset| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr2512_7| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|)))) is different from true [2021-11-17 05:59:48,876 WARN L860 $PredicateComparison]: unable to prove that (exists ((|v_#Ultimate.C_memset_#t~loopctr2512_7| Int) (|#Ultimate.C_memset_#ptr.offset| Int) (|#Ultimate.C_memset_#value| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_ldv_memset_#in~s.base| (store (select |c_old(#memory_int)| |c_ldv_memset_#in~s.base|) (+ |v_#Ultimate.C_memset_#t~loopctr2512_7| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|)))) is different from true [2021-11-17 05:59:48,903 INFO L354 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2021-11-17 05:59:48,903 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 28 [2021-11-17 05:59:50,236 WARN L860 $PredicateComparison]: unable to prove that (exists ((|#Ultimate.C_memset_#value| Int) (|#Ultimate.C_memset_#ptr.offset| Int) (|v_#Ultimate.C_memset_#t~loopctr2512_8| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base| (store (select |c_old(#memory_int)| |c_#Ultimate.C_memset_#ptr.base|) (+ |v_#Ultimate.C_memset_#t~loopctr2512_8| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|)))) is different from true [2021-11-17 05:59:51,373 WARN L860 $PredicateComparison]: unable to prove that (exists ((|#Ultimate.C_memset_#ptr.offset| Int) (|#Ultimate.C_memset_#value| Int) (|v_#Ultimate.C_memset_#t~loopctr2512_8| Int)) (= (store |c_old(#memory_int)| |c_ldv_memset_#in~s.base| (store (select |c_old(#memory_int)| |c_ldv_memset_#in~s.base|) (+ |v_#Ultimate.C_memset_#t~loopctr2512_8| |#Ultimate.C_memset_#ptr.offset|) |#Ultimate.C_memset_#value|)) |c_#memory_int|)) is different from true [2021-11-17 05:59:51,403 INFO L354 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2021-11-17 05:59:51,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 24 [2021-11-17 05:59:53,516 WARN L860 $PredicateComparison]: unable to prove that (exists ((|#Ultimate.C_memset_#ptr.base| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |#Ultimate.C_memset_#ptr.base| (store (select |c_old(#memory_int)| |#Ultimate.C_memset_#ptr.base|) |c_#Ultimate.C_memset_#ptr.offset| |c_#Ultimate.C_memset_#value|)))) is different from true [2021-11-17 05:59:55,209 WARN L860 $PredicateComparison]: unable to prove that (exists ((|#Ultimate.C_memset_#ptr.base| Int)) (= |c_#memory_int| (store |c_old(#memory_int)| |#Ultimate.C_memset_#ptr.base| (store (select |c_old(#memory_int)| |#Ultimate.C_memset_#ptr.base|) |c_ldv_memset_#in~s.offset| |c_ldv_memset_#in~c|)))) is different from true [2021-11-17 05:59:55,228 INFO L354 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2021-11-17 05:59:55,229 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 18 [2021-11-17 05:59:55,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2021-11-17 05:59:55,477 INFO L134 CoverageAnalysis]: Checked inductivity of 3164 backedges. 20 proven. 586 refuted. 0 times theorem prover too weak. 2450 trivial. 108 not checked. [2021-11-17 05:59:55,477 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-17 05:59:57,669 WARN L838 $PredicateComparison]: unable to prove that (forall ((|v_#Ultimate.C_memset_#ptr.base_8| Int)) (<= (mod (select (select (store |c_#memory_int| |v_#Ultimate.C_memset_#ptr.base_8| (store (select |c_#memory_int| |v_#Ultimate.C_memset_#ptr.base_8|) |c_ULTIMATE.start_ldv_main_exported_8_~#ldvarg43~0#1.offset| 0)) |c_ULTIMATE.start_ldv_main_exported_8_~#ldvarg40~0#1.base|) |c_ULTIMATE.start_ldv_main_exported_8_~#ldvarg40~0#1.offset|) 4294967296) 0)) is different from false [2021-11-17 05:59:57,671 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1259006143] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-17 05:59:57,671 INFO L186 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2021-11-17 05:59:57,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 26] total 34 [2021-11-17 05:59:57,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729185158] [2021-11-17 05:59:57,671 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2021-11-17 05:59:57,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2021-11-17 05:59:57,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 05:59:57,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-11-17 05:59:57,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=688, Unknown=9, NotChecked=540, Total=1332 [2021-11-17 05:59:57,673 INFO L87 Difference]: Start difference. First operand 5232 states and 7508 transitions. Second operand has 34 states, 31 states have (on average 10.483870967741936) internal successors, (325), 29 states have internal predecessors, (325), 11 states have call successors, (103), 8 states have call predecessors, (103), 14 states have return successors, (100), 15 states have call predecessors, (100), 11 states have call successors, (100) [2021-11-17 05:59:59,695 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:00:01,781 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:00:03,875 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:00:05,948 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:00:07,473 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:00:09,546 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:00:11,627 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:00:18,241 WARN L227 SmtUtils]: Spent 5.65s on a formula simplification. DAG size of input: 48 DAG size of output: 36 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-17 06:00:23,580 WARN L227 SmtUtils]: Spent 5.24s on a formula simplification. DAG size of input: 35 DAG size of output: 23 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-17 06:00:29,242 WARN L227 SmtUtils]: Spent 5.62s on a formula simplification. DAG size of input: 39 DAG size of output: 27 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-17 06:00:36,940 WARN L227 SmtUtils]: Spent 5.43s on a formula simplification. DAG size of input: 44 DAG size of output: 32 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-17 06:00:50,099 WARN L227 SmtUtils]: Spent 5.19s on a formula simplification. DAG size of input: 41 DAG size of output: 29 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-17 06:00:58,149 WARN L227 SmtUtils]: Spent 5.99s on a formula simplification. DAG size of input: 32 DAG size of output: 20 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-17 06:01:05,560 WARN L227 SmtUtils]: Spent 5.37s on a formula simplification. DAG size of input: 36 DAG size of output: 24 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2021-11-17 06:01:56,889 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:01:58,713 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.55s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:02:01,506 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:02:03,515 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:02:05,522 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:02:07,189 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:02:08,560 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:02:12,755 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:02:14,565 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:02:16,582 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:02:17,850 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:02:20,614 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:02:22,102 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:02:23,497 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:02:26,244 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:02:28,263 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:02:48,637 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:02:51,635 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:02:53,675 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:02:55,709 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:02:57,151 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:02:59,182 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:03:02,100 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:03:04,263 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:03:06,429 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:03:09,012 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:03:11,199 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:03:13,884 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:03:16,143 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:03:18,188 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:03:20,228 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:03:23,255 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:03:25,302 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:03:26,575 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:03:29,242 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.90s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:03:30,519 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:03:32,496 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:03:35,655 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:03:56,079 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:03:58,120 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:03:59,570 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:04:01,072 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:04:04,780 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:04:06,833 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:04:29,911 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:04:33,523 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:04:54,609 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:04:56,645 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:04:59,220 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:05:01,801 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:05:04,896 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:05:06,945 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:05:08,846 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:05:10,951 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.70s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:05:13,128 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:05:16,961 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:05:18,023 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:05:52,180 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:05:54,199 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:05:55,663 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:05:57,299 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:05:58,904 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:06:00,094 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:06:02,130 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:06:03,847 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:06:05,867 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:06:08,330 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:06:10,348 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:06:13,623 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:06:15,643 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:06:17,806 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:06:19,408 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:06:22,075 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 06:06:25,664 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15