./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--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6e7445-156a-443a-b045-869ee86a00fa/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6e7445-156a-443a-b045-869ee86a00fa/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6e7445-156a-443a-b045-869ee86a00fa/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6e7445-156a-443a-b045-869ee86a00fa/bin/uautomizer-DrprNOufMa/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6e7445-156a-443a-b045-869ee86a00fa/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6e7445-156a-443a-b045-869ee86a00fa/bin/uautomizer-DrprNOufMa --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 b2b9d7c72382c88f92aefc9c5aa67795926d510c5f9617bff26079bf313eaacc --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 16:56:46,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 16:56:46,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 16:56:46,562 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 16:56:46,563 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 16:56:46,564 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 16:56:46,565 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 16:56:46,567 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 16:56:46,568 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 16:56:46,569 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 16:56:46,570 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 16:56:46,571 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 16:56:46,571 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 16:56:46,572 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 16:56:46,573 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 16:56:46,574 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 16:56:46,575 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 16:56:46,576 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 16:56:46,577 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 16:56:46,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 16:56:46,580 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 16:56:46,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 16:56:46,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 16:56:46,584 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 16:56:46,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 16:56:46,588 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 16:56:46,589 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 16:56:46,590 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 16:56:46,590 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 16:56:46,591 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 16:56:46,592 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 16:56:46,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 16:56:46,593 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 16:56:46,594 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 16:56:46,595 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 16:56:46,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 16:56:46,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 16:56:46,597 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 16:56:46,597 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 16:56:46,598 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 16:56:46,598 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 16:56:46,599 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6e7445-156a-443a-b045-869ee86a00fa/bin/uautomizer-DrprNOufMa/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-12-06 16:56:46,622 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 16:56:46,622 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 16:56:46,623 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 16:56:46,623 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 16:56:46,624 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-06 16:56:46,624 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-06 16:56:46,625 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 16:56:46,625 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 16:56:46,625 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 16:56:46,625 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 16:56:46,625 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 16:56:46,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 16:56:46,626 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-06 16:56:46,626 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-06 16:56:46,626 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-06 16:56:46,626 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 16:56:46,626 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 16:56:46,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-06 16:56:46,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 16:56:46,627 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 16:56:46,627 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-06 16:56:46,627 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 16:56:46,628 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 16:56:46,628 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-06 16:56:46,628 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-06 16:56:46,628 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 16:56:46,628 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-06 16:56:46,628 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-12-06 16:56:46,629 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-12-06 16:56:46,629 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-06 16:56:46,629 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 16:56:46,629 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6e7445-156a-443a-b045-869ee86a00fa/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6e7445-156a-443a-b045-869ee86a00fa/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b2b9d7c72382c88f92aefc9c5aa67795926d510c5f9617bff26079bf313eaacc [2021-12-06 16:56:46,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 16:56:46,850 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 16:56:46,852 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 16:56:46,853 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 16:56:46,853 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 16:56:46,854 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6e7445-156a-443a-b045-869ee86a00fa/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i [2021-12-06 16:56:46,896 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6e7445-156a-443a-b045-869ee86a00fa/bin/uautomizer-DrprNOufMa/data/d8b13c646/65c31181fc934ddd8ed0f7c792f82ae4/FLAG5758f0639 [2021-12-06 16:56:47,511 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 16:56:47,512 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6e7445-156a-443a-b045-869ee86a00fa/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i [2021-12-06 16:56:47,541 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6e7445-156a-443a-b045-869ee86a00fa/bin/uautomizer-DrprNOufMa/data/d8b13c646/65c31181fc934ddd8ed0f7c792f82ae4/FLAG5758f0639 [2021-12-06 16:56:47,667 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6e7445-156a-443a-b045-869ee86a00fa/bin/uautomizer-DrprNOufMa/data/d8b13c646/65c31181fc934ddd8ed0f7c792f82ae4 [2021-12-06 16:56:47,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 16:56:47,671 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 16:56:47,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 16:56:47,673 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 16:56:47,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 16:56:47,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:56:47" (1/1) ... [2021-12-06 16:56:47,676 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@adfdc93 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:47, skipping insertion in model container [2021-12-06 16:56:47,677 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:56:47" (1/1) ... [2021-12-06 16:56:47,681 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 16:56:47,799 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 16:56:50,075 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6e7445-156a-443a-b045-869ee86a00fa/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i[360255,360268] [2021-12-06 16:56:50,124 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 16:56:50,171 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 16:56:50,507 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6e7445-156a-443a-b045-869ee86a00fa/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i[360255,360268] [2021-12-06 16:56:50,519 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 16:56:50,605 INFO L208 MainTranslator]: Completed translation [2021-12-06 16:56:50,606 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:50 WrapperNode [2021-12-06 16:56:50,606 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 16:56:50,607 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 16:56:50,607 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 16:56:50,613 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 16:56:50,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:50" (1/1) ... [2021-12-06 16:56:50,706 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:50" (1/1) ... [2021-12-06 16:56:50,884 INFO L137 Inliner]: procedures = 437, calls = 4229, calls flagged for inlining = 199, calls inlined = 195, statements flattened = 9406 [2021-12-06 16:56:50,884 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 16:56:50,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 16:56:50,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 16:56:50,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 16:56:50,894 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:50" (1/1) ... [2021-12-06 16:56:50,895 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:50" (1/1) ... [2021-12-06 16:56:50,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:50" (1/1) ... [2021-12-06 16:56:50,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:50" (1/1) ... [2021-12-06 16:56:51,094 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:50" (1/1) ... [2021-12-06 16:56:51,119 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:50" (1/1) ... [2021-12-06 16:56:51,160 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:50" (1/1) ... [2021-12-06 16:56:51,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 16:56:51,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 16:56:51,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 16:56:51,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 16:56:51,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:50" (1/1) ... [2021-12-06 16:56:51,222 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-06 16:56:51,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6e7445-156a-443a-b045-869ee86a00fa/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 16:56:51,242 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6e7445-156a-443a-b045-869ee86a00fa/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-06 16:56:51,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b6e7445-156a-443a-b045-869ee86a00fa/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-06 16:56:51,271 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_export_device [2021-12-06 16:56:51,271 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_export_device [2021-12-06 16:56:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_error_resume [2021-12-06 16:56:51,272 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_error_resume [2021-12-06 16:56:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure pci_domain_nr [2021-12-06 16:56:51,272 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_domain_nr [2021-12-06 16:56:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_add_pci_dev [2021-12-06 16:56:51,272 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_add_pci_dev [2021-12-06 16:56:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-12-06 16:56:51,272 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-12-06 16:56:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure HYPERVISOR_physdev_op [2021-12-06 16:56:51,272 INFO L138 BoogieDeclarations]: Found implementation of procedure HYPERVISOR_physdev_op [2021-12-06 16:56:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure read_dev_bar [2021-12-06 16:56:51,272 INFO L138 BoogieDeclarations]: Found implementation of procedure read_dev_bar [2021-12-06 16:56:51,272 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_frontend_changed [2021-12-06 16:56:51,272 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_frontend_changed [2021-12-06 16:56:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_setup_backend [2021-12-06 16:56:51,273 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_setup_backend [2021-12-06 16:56:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2021-12-06 16:56:51,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2021-12-06 16:56:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-12-06 16:56:51,273 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-12-06 16:56:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_add_pci_dev___0 [2021-12-06 16:56:51,273 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_add_pci_dev___0 [2021-12-06 16:56:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure device_unlock [2021-12-06 16:56:51,273 INFO L138 BoogieDeclarations]: Found implementation of procedure device_unlock [2021-12-06 16:56:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_word [2021-12-06 16:56:51,273 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_word [2021-12-06 16:56:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_attach [2021-12-06 16:56:51,273 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_attach [2021-12-06 16:56:51,273 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibios_err_to_errno [2021-12-06 16:56:51,274 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibios_err_to_errno [2021-12-06 16:56:51,274 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_id_add [2021-12-06 16:56:51,274 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_id_add [2021-12-06 16:56:51,274 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_get_pci_dev [2021-12-06 16:56:51,274 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_get_pci_dev [2021-12-06 16:56:51,274 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_remove [2021-12-06 16:56:51,274 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_remove [2021-12-06 16:56:51,274 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_2 [2021-12-06 16:56:51,274 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_2 [2021-12-06 16:56:51,274 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2021-12-06 16:56:51,274 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2021-12-06 16:56:51,274 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_get_pci_dev [2021-12-06 16:56:51,274 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_get_pci_dev [2021-12-06 16:56:51,274 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2021-12-06 16:56:51,275 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2021-12-06 16:56:51,275 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_control_isr [2021-12-06 16:56:51,275 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_control_isr [2021-12-06 16:56:51,275 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2021-12-06 16:56:51,275 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2021-12-06 16:56:51,275 INFO L130 BoogieDeclarations]: Found specification of procedure valid_request [2021-12-06 16:56:51,275 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_request [2021-12-06 16:56:51,275 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_release_devices___0 [2021-12-06 16:56:51,275 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_release_devices___0 [2021-12-06 16:56:51,275 INFO L130 BoogieDeclarations]: Found specification of procedure __xadd_wrong_size [2021-12-06 16:56:51,275 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_add_field [2021-12-06 16:56:51,275 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_add_field [2021-12-06 16:56:51,275 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-12-06 16:56:51,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-12-06 16:56:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2021-12-06 16:56:51,276 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2021-12-06 16:56:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-12-06 16:56:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_word [2021-12-06 16:56:51,276 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_word [2021-12-06 16:56:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_find [2021-12-06 16:56:51,276 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_find [2021-12-06 16:56:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-12-06 16:56:51,276 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-12-06 16:56:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_slot_reset [2021-12-06 16:56:51,276 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_slot_reset [2021-12-06 16:56:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-12-06 16:56:51,276 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-12-06 16:56:51,276 INFO L130 BoogieDeclarations]: Found specification of procedure xen_register_device_domain_owner [2021-12-06 16:56:51,277 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_register_device_domain_owner [2021-12-06 16:56:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_error_detected [2021-12-06 16:56:51,277 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_error_detected [2021-12-06 16:56:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2021-12-06 16:56:51,277 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2021-12-06 16:56:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-12-06 16:56:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_switch_state [2021-12-06 16:56:51,277 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_switch_state [2021-12-06 16:56:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_xenbus_remove [2021-12-06 16:56:51,277 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_xenbus_remove [2021-12-06 16:56:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-12-06 16:56:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_xenbus_probe [2021-12-06 16:56:51,277 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_xenbus_probe [2021-12-06 16:56:51,277 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_15 [2021-12-06 16:56:51,277 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_15 [2021-12-06 16:56:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure xenbus_read_driver_state [2021-12-06 16:56:51,278 INFO L138 BoogieDeclarations]: Found implementation of procedure xenbus_read_driver_state [2021-12-06 16:56:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_get [2021-12-06 16:56:51,278 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_get [2021-12-06 16:56:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_release_pci_dev [2021-12-06 16:56:51,278 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_release_pci_dev [2021-12-06 16:56:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure list_add_tail [2021-12-06 16:56:51,278 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add_tail [2021-12-06 16:56:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure __pci_reset_function_locked [2021-12-06 16:56:51,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __pci_reset_function_locked [2021-12-06 16:56:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2021-12-06 16:56:51,278 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2021-12-06 16:56:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_drvdata [2021-12-06 16:56:51,278 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_drvdata [2021-12-06 16:56:51,278 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_add_fields [2021-12-06 16:56:51,279 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_add_fields [2021-12-06 16:56:51,279 INFO L130 BoogieDeclarations]: Found specification of procedure kref_put [2021-12-06 16:56:51,279 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_put [2021-12-06 16:56:51,279 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-12-06 16:56:51,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-12-06 16:56:51,279 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-12-06 16:56:51,279 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~X~$Pointer$~TO~int [2021-12-06 16:56:51,279 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_probe [2021-12-06 16:56:51,279 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_probe [2021-12-06 16:56:51,279 INFO L130 BoogieDeclarations]: Found specification of procedure device_lock [2021-12-06 16:56:51,279 INFO L138 BoogieDeclarations]: Found implementation of procedure device_lock [2021-12-06 16:56:51,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-12-06 16:56:51,279 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-12-06 16:56:51,279 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-12-06 16:56:51,279 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-06 16:56:51,280 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-12-06 16:56:51,280 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2021-12-06 16:56:51,280 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2021-12-06 16:56:51,280 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 16:56:51,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-12-06 16:56:51,280 INFO L130 BoogieDeclarations]: Found specification of procedure ___ratelimit [2021-12-06 16:56:51,280 INFO L138 BoogieDeclarations]: Found implementation of procedure ___ratelimit [2021-12-06 16:56:51,280 INFO L130 BoogieDeclarations]: Found specification of procedure driver_create_file [2021-12-06 16:56:51,297 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_create_file [2021-12-06 16:56:51,298 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_get_pcifront_dev [2021-12-06 16:56:51,298 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_get_pcifront_dev [2021-12-06 16:56:51,298 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_release [2021-12-06 16:56:51,298 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_release [2021-12-06 16:56:51,298 INFO L130 BoogieDeclarations]: Found specification of procedure list_add [2021-12-06 16:56:51,298 INFO L138 BoogieDeclarations]: Found implementation of procedure list_add [2021-12-06 16:56:51,298 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_quirk_show [2021-12-06 16:56:51,298 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_quirk_show [2021-12-06 16:56:51,298 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2021-12-06 16:56:51,298 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2021-12-06 16:56:51,298 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_disconnect [2021-12-06 16:56:51,299 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_disconnect [2021-12-06 16:56:51,299 INFO L130 BoogieDeclarations]: Found specification of procedure down_write [2021-12-06 16:56:51,299 INFO L138 BoogieDeclarations]: Found implementation of procedure down_write [2021-12-06 16:56:51,299 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2021-12-06 16:56:51,299 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2021-12-06 16:56:51,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 16:56:51,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 16:56:51,299 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_put [2021-12-06 16:56:51,299 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_put [2021-12-06 16:56:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-12-06 16:56:51,300 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-12-06 16:56:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_slot_show [2021-12-06 16:56:51,300 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_slot_show [2021-12-06 16:56:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_read [2021-12-06 16:56:51,300 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_read [2021-12-06 16:56:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-06 16:56:51,300 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-12-06 16:56:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure kref_sub [2021-12-06 16:56:51,300 INFO L138 BoogieDeclarations]: Found implementation of procedure kref_sub [2021-12-06 16:56:51,300 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_do_op [2021-12-06 16:56:51,301 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_do_op [2021-12-06 16:56:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_put_pci_dev [2021-12-06 16:56:51,301 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_put_pci_dev [2021-12-06 16:56:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure driver_remove_file [2021-12-06 16:56:51,301 INFO L138 BoogieDeclarations]: Found implementation of procedure driver_remove_file [2021-12-06 16:56:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-12-06 16:56:51,301 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-12-06 16:56:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_init_devices [2021-12-06 16:56:51,301 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_init_devices [2021-12-06 16:56:51,301 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_byte [2021-12-06 16:56:51,301 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_byte [2021-12-06 16:56:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-12-06 16:56:51,302 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-12-06 16:56:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_get_pci_dev___0 [2021-12-06 16:56:51,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_get_pci_dev___0 [2021-12-06 16:56:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-12-06 16:56:51,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-12-06 16:56:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_publish_pci_roots [2021-12-06 16:56:51,302 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_publish_pci_roots [2021-12-06 16:56:51,302 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_free_dyn_fields [2021-12-06 16:56:51,302 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_free_dyn_fields [2021-12-06 16:56:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_free_dev [2021-12-06 16:56:51,303 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_free_dev [2021-12-06 16:56:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure xen_unregister_device_domain_owner [2021-12-06 16:56:51,303 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_unregister_device_domain_owner [2021-12-06 16:56:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-12-06 16:56:51,303 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-12-06 16:56:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msix [2021-12-06 16:56:51,303 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msix [2021-12-06 16:56:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pirq_from_irq [2021-12-06 16:56:51,303 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pirq_from_irq [2021-12-06 16:56:51,303 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_get_pcifront_dev___0 [2021-12-06 16:56:51,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_get_pcifront_dev___0 [2021-12-06 16:56:51,304 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_init_device [2021-12-06 16:56:51,304 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_init_device [2021-12-06 16:56:51,304 INFO L130 BoogieDeclarations]: Found specification of procedure ERR_PTR [2021-12-06 16:56:51,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ERR_PTR [2021-12-06 16:56:51,304 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-12-06 16:56:51,304 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_release_devices [2021-12-06 16:56:51,304 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_release_devices [2021-12-06 16:56:51,304 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-12-06 16:56:51,304 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-12-06 16:56:51,305 INFO L130 BoogieDeclarations]: Found specification of procedure notify_remote_via_irq [2021-12-06 16:56:51,305 INFO L138 BoogieDeclarations]: Found implementation of procedure notify_remote_via_irq [2021-12-06 16:56:51,305 INFO L130 BoogieDeclarations]: Found specification of procedure kill_domain_by_device [2021-12-06 16:56:51,305 INFO L138 BoogieDeclarations]: Found implementation of procedure kill_domain_by_device [2021-12-06 16:56:51,305 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2021-12-06 16:56:51,305 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~$Pointer$~TO~VOID [2021-12-06 16:56:51,305 INFO L130 BoogieDeclarations]: Found specification of procedure merge_value [2021-12-06 16:56:51,305 INFO L138 BoogieDeclarations]: Found implementation of procedure merge_value [2021-12-06 16:56:51,305 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-12-06 16:56:51,306 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_mmio_enabled [2021-12-06 16:56:51,306 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_mmio_enabled [2021-12-06 16:56:51,306 INFO L130 BoogieDeclarations]: Found specification of procedure xen_find_device_domain_owner [2021-12-06 16:56:51,306 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_find_device_domain_owner [2021-12-06 16:56:51,306 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_work_2 [2021-12-06 16:56:51,306 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_work_2 [2021-12-06 16:56:51,306 INFO L130 BoogieDeclarations]: Found specification of procedure up_write [2021-12-06 16:56:51,306 INFO L138 BoogieDeclarations]: Found implementation of procedure up_write [2021-12-06 16:56:51,306 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2021-12-06 16:56:51,306 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2021-12-06 16:56:51,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-12-06 16:56:51,307 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_be_watch [2021-12-06 16:56:51,307 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_be_watch [2021-12-06 16:56:51,307 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_publish_pci_roots___0 [2021-12-06 16:56:51,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_publish_pci_roots___0 [2021-12-06 16:56:51,307 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_byte [2021-12-06 16:56:51,307 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_byte [2021-12-06 16:56:51,307 INFO L130 BoogieDeclarations]: Found specification of procedure permissive_show [2021-12-06 16:56:51,307 INFO L138 BoogieDeclarations]: Found implementation of procedure permissive_show [2021-12-06 16:56:51,307 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-12-06 16:56:51,307 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-12-06 16:56:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure queue_work_on [2021-12-06 16:56:51,308 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_work_on [2021-12-06 16:56:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-12-06 16:56:51,308 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-12-06 16:56:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_irq_handler_show [2021-12-06 16:56:51,308 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_irq_handler_show [2021-12-06 16:56:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure common_process [2021-12-06 16:56:51,308 INFO L138 BoogieDeclarations]: Found implementation of procedure common_process [2021-12-06 16:56:51,308 INFO L130 BoogieDeclarations]: Found specification of procedure flush_workqueue [2021-12-06 16:56:51,308 INFO L138 BoogieDeclarations]: Found implementation of procedure flush_workqueue [2021-12-06 16:56:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_add_field_offset [2021-12-06 16:56:51,309 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_add_field_offset [2021-12-06 16:56:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2021-12-06 16:56:51,309 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2021-12-06 16:56:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-12-06 16:56:51,309 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-12-06 16:56:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure str_to_slot [2021-12-06 16:56:51,309 INFO L138 BoogieDeclarations]: Found implementation of procedure str_to_slot [2021-12-06 16:56:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2021-12-06 16:56:51,309 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2021-12-06 16:56:51,309 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_exit [2021-12-06 16:56:51,310 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_exit [2021-12-06 16:56:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~int [2021-12-06 16:56:51,310 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~X~int~X~int~TO~int [2021-12-06 16:56:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-12-06 16:56:51,310 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-12-06 16:56:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-12-06 16:56:51,310 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-12-06 16:56:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-12-06 16:56:51,310 INFO L130 BoogieDeclarations]: Found specification of procedure pcistub_device_get_pci_dev [2021-12-06 16:56:51,310 INFO L138 BoogieDeclarations]: Found implementation of procedure pcistub_device_get_pci_dev [2021-12-06 16:56:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-12-06 16:56:51,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-12-06 16:56:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_reset_device [2021-12-06 16:56:51,311 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_reset_device [2021-12-06 16:56:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_test_and_schedule_op [2021-12-06 16:56:51,311 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_test_and_schedule_op [2021-12-06 16:56:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-12-06 16:56:51,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-12-06 16:56:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2021-12-06 16:56:51,311 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2021-12-06 16:56:51,311 INFO L130 BoogieDeclarations]: Found specification of procedure register_capability [2021-12-06 16:56:51,312 INFO L138 BoogieDeclarations]: Found implementation of procedure register_capability [2021-12-06 16:56:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_config_add_fields_offset [2021-12-06 16:56:51,312 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_config_add_fields_offset [2021-12-06 16:56:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure call_and_disable_all_2 [2021-12-06 16:56:51,312 INFO L138 BoogieDeclarations]: Found implementation of procedure call_and_disable_all_2 [2021-12-06 16:56:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-06 16:56:51,312 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-12-06 16:56:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure pci_is_enabled [2021-12-06 16:56:51,312 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_is_enabled [2021-12-06 16:56:51,312 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_msi [2021-12-06 16:56:51,312 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_msi [2021-12-06 16:56:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-06 16:56:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure xen_pcibk_publish_pci_roots [2021-12-06 16:56:51,313 INFO L138 BoogieDeclarations]: Found implementation of procedure xen_pcibk_publish_pci_roots [2021-12-06 16:56:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure __xen_pcibk_init_devices___0 [2021-12-06 16:56:51,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __xen_pcibk_init_devices___0 [2021-12-06 16:56:51,313 INFO L130 BoogieDeclarations]: Found specification of procedure get_mask [2021-12-06 16:56:51,313 INFO L138 BoogieDeclarations]: Found implementation of procedure get_mask [2021-12-06 16:56:52,026 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 16:56:52,028 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 16:56:55,508 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-12-06 16:57:04,384 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 16:57:04,407 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 16:57:04,408 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-06 16:57:04,412 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:57:04 BoogieIcfgContainer [2021-12-06 16:57:04,412 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 16:57:04,413 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-06 16:57:04,413 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-06 16:57:04,416 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-06 16:57:04,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.12 04:56:47" (1/3) ... [2021-12-06 16:57:04,416 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@227772b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:57:04, skipping insertion in model container [2021-12-06 16:57:04,416 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:56:50" (2/3) ... [2021-12-06 16:57:04,417 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@227772b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.12 04:57:04, skipping insertion in model container [2021-12-06 16:57:04,417 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:57:04" (3/3) ... [2021-12-06 16:57:04,418 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--xen--xen-pciback--xen-pciback.ko-entry_point.cil.out.i [2021-12-06 16:57:04,421 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-06 16:57:04,421 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-06 16:57:04,475 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-06 16:57:04,480 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-06 16:57:04,480 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-06 16:57:04,536 INFO L276 IsEmpty]: Start isEmpty. Operand has 2936 states, 2085 states have (on average 1.3808153477218226) internal successors, (2879), 2166 states have internal predecessors, (2879), 712 states have call successors, (712), 138 states have call predecessors, (712), 137 states have return successors, (697), 685 states have call predecessors, (697), 697 states have call successors, (697) [2021-12-06 16:57:04,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2021-12-06 16:57:04,560 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 16:57:04,560 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 16:57:04,561 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 16:57:04,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 16:57:04,565 INFO L85 PathProgramCache]: Analyzing trace with hash -466183320, now seen corresponding path program 1 times [2021-12-06 16:57:04,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 16:57:04,572 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663586720] [2021-12-06 16:57:04,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 16:57:04,573 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 16:57:04,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 16:57:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:05,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,191 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:05,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 16:57:05,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:05,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 16:57:05,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:05,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,269 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 16:57:05,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:05,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 16:57:05,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:05,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 16:57:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,354 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:05,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 16:57:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:05,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 16:57:05,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:05,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-06 16:57:05,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,467 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,475 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 16:57:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,499 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-06 16:57:05,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:05,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,528 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:05,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 16:57:05,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:05,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:05,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 16:57:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,597 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:05,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:05,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-06 16:57:05,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:05,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,640 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:05,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 16:57:05,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:05,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,675 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:05,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 16:57:05,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:05,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:05,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 16:57:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:05,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,752 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-06 16:57:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-06 16:57:05,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 16:57:05,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,807 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 16:57:05,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,821 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-06 16:57:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-06 16:57:05,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,847 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-06 16:57:05,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-06 16:57:05,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:05,890 INFO L134 CoverageAnalysis]: Checked inductivity of 2009 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2009 trivial. 0 not checked. [2021-12-06 16:57:05,890 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 16:57:05,890 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663586720] [2021-12-06 16:57:05,891 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [663586720] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 16:57:05,891 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 16:57:05,891 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 16:57:05,893 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [777152756] [2021-12-06 16:57:05,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 16:57:05,898 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 16:57:05,898 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 16:57:05,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 16:57:05,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-06 16:57:05,934 INFO L87 Difference]: Start difference. First operand has 2936 states, 2085 states have (on average 1.3808153477218226) internal successors, (2879), 2166 states have internal predecessors, (2879), 712 states have call successors, (712), 138 states have call predecessors, (712), 137 states have return successors, (697), 685 states have call predecessors, (697), 697 states have call successors, (697) Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-06 16:57:09,371 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 16:57:11,471 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 16:57:19,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 16:57:19,860 INFO L93 Difference]: Finished difference Result 6241 states and 9403 transitions. [2021-12-06 16:57:19,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-12-06 16:57:19,863 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 355 [2021-12-06 16:57:19,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 16:57:19,903 INFO L225 Difference]: With dead ends: 6241 [2021-12-06 16:57:19,903 INFO L226 Difference]: Without dead ends: 3281 [2021-12-06 16:57:19,922 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-12-06 16:57:19,926 INFO L933 BasicCegarLoop]: 4014 mSDtfsCounter, 1179 mSDsluCounter, 5746 mSDsCounter, 0 mSdLazyCounter, 3738 mSolverCounterSat, 987 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1355 SdHoareTripleChecker+Valid, 9760 SdHoareTripleChecker+Invalid, 4727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 987 IncrementalHoareTripleChecker+Valid, 3738 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 13.6s IncrementalHoareTripleChecker+Time [2021-12-06 16:57:19,927 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1355 Valid, 9760 Invalid, 4727 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [987 Valid, 3738 Invalid, 2 Unknown, 0 Unchecked, 13.6s Time] [2021-12-06 16:57:19,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3281 states. [2021-12-06 16:57:20,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3281 to 2907. [2021-12-06 16:57:20,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2907 states, 2074 states have (on average 1.3736740597878496) internal successors, (2849), 2139 states have internal predecessors, (2849), 696 states have call successors, (696), 137 states have call predecessors, (696), 136 states have return successors, (694), 682 states have call predecessors, (694), 694 states have call successors, (694) [2021-12-06 16:57:20,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2907 states to 2907 states and 4239 transitions. [2021-12-06 16:57:20,154 INFO L78 Accepts]: Start accepts. Automaton has 2907 states and 4239 transitions. Word has length 355 [2021-12-06 16:57:20,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 16:57:20,154 INFO L470 AbstractCegarLoop]: Abstraction has 2907 states and 4239 transitions. [2021-12-06 16:57:20,155 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 2 states have internal predecessors, (66), 2 states have call successors, (30), 6 states have call predecessors, (30), 2 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-06 16:57:20,155 INFO L276 IsEmpty]: Start isEmpty. Operand 2907 states and 4239 transitions. [2021-12-06 16:57:20,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 356 [2021-12-06 16:57:20,163 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 16:57:20,164 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 16:57:20,164 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-06 16:57:20,164 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 16:57:20,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 16:57:20,165 INFO L85 PathProgramCache]: Analyzing trace with hash -868760314, now seen corresponding path program 1 times [2021-12-06 16:57:20,165 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 16:57:20,165 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823608396] [2021-12-06 16:57:20,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 16:57:20,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 16:57:20,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 16:57:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,511 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 16:57:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:20,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 16:57:20,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,561 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:20,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,567 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 16:57:20,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:20,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,584 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 16:57:20,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:20,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 16:57:20,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:20,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 16:57:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 16:57:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:20,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,687 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-06 16:57:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,697 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 16:57:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,734 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-06 16:57:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:20,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:20,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,756 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 16:57:20,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,770 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,779 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:20,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 16:57:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:20,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-06 16:57:20,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,825 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:20,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:20,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,838 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 16:57:20,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:20,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:20,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,861 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 16:57:20,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:20,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:20,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 16:57:20,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,901 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:20,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-06 16:57:20,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-06 16:57:20,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 16:57:20,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:20,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 16:57:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:21,006 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-06 16:57:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:21,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-06 16:57:21,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:21,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-06 16:57:21,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:21,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2021-12-06 16:57:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:21,052 INFO L134 CoverageAnalysis]: Checked inductivity of 2009 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2009 trivial. 0 not checked. [2021-12-06 16:57:21,053 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 16:57:21,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823608396] [2021-12-06 16:57:21,053 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823608396] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 16:57:21,053 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 16:57:21,053 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 16:57:21,053 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [517800009] [2021-12-06 16:57:21,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 16:57:21,055 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 16:57:21,055 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 16:57:21,055 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 16:57:21,055 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-06 16:57:21,056 INFO L87 Difference]: Start difference. First operand 2907 states and 4239 transitions. Second operand has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-06 16:57:24,425 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 16:57:26,969 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 16:57:32,387 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 16:57:35,266 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 16:57:38,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 16:57:38,709 INFO L93 Difference]: Finished difference Result 9334 states and 13840 transitions. [2021-12-06 16:57:38,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 16:57:38,709 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 355 [2021-12-06 16:57:38,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 16:57:38,746 INFO L225 Difference]: With dead ends: 9334 [2021-12-06 16:57:38,747 INFO L226 Difference]: Without dead ends: 6479 [2021-12-06 16:57:38,756 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-06 16:57:38,757 INFO L933 BasicCegarLoop]: 4478 mSDtfsCounter, 8700 mSDsluCounter, 5734 mSDsCounter, 0 mSdLazyCounter, 3207 mSolverCounterSat, 6082 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 16.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9336 SdHoareTripleChecker+Valid, 10212 SdHoareTripleChecker+Invalid, 9292 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 6082 IncrementalHoareTripleChecker+Valid, 3207 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 17.2s IncrementalHoareTripleChecker+Time [2021-12-06 16:57:38,758 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9336 Valid, 10212 Invalid, 9292 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [6082 Valid, 3207 Invalid, 3 Unknown, 0 Unchecked, 17.2s Time] [2021-12-06 16:57:38,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6479 states. [2021-12-06 16:57:38,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6479 to 5726. [2021-12-06 16:57:38,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5726 states, 4095 states have (on average 1.3772893772893773) internal successors, (5640), 4226 states have internal predecessors, (5640), 1358 states have call successors, (1358), 273 states have call predecessors, (1358), 272 states have return successors, (1355), 1330 states have call predecessors, (1355), 1355 states have call successors, (1355) [2021-12-06 16:57:38,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5726 states to 5726 states and 8353 transitions. [2021-12-06 16:57:38,985 INFO L78 Accepts]: Start accepts. Automaton has 5726 states and 8353 transitions. Word has length 355 [2021-12-06 16:57:38,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 16:57:38,986 INFO L470 AbstractCegarLoop]: Abstraction has 5726 states and 8353 transitions. [2021-12-06 16:57:38,987 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.428571428571429) internal successors, (66), 3 states have internal predecessors, (66), 2 states have call successors, (30), 6 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2021-12-06 16:57:38,987 INFO L276 IsEmpty]: Start isEmpty. Operand 5726 states and 8353 transitions. [2021-12-06 16:57:38,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2021-12-06 16:57:38,993 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 16:57:38,994 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 16:57:38,994 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-12-06 16:57:38,994 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 16:57:38,994 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 16:57:38,994 INFO L85 PathProgramCache]: Analyzing trace with hash -869944462, now seen corresponding path program 1 times [2021-12-06 16:57:38,995 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 16:57:38,995 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306982738] [2021-12-06 16:57:38,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 16:57:38,995 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 16:57:39,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,288 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 16:57:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:39,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:39,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 16:57:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,333 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 16:57:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:39,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 16:57:39,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:39,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 16:57:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:39,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:39,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 16:57:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,419 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 16:57:39,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:39,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 16:57:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:39,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-06 16:57:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,471 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 16:57:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:39,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-06 16:57:39,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:39,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:39,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,517 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 16:57:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:39,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,534 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 16:57:39,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,551 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-06 16:57:39,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:39,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 16:57:39,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,576 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:39,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,581 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 16:57:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,593 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:39,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,603 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 16:57:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:39,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:57:39,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,628 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-06 16:57:39,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-06 16:57:39,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 16:57:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,650 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 16:57:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-06 16:57:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-06 16:57:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-06 16:57:39,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,684 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 347 [2021-12-06 16:57:39,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:57:39,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2021-12-06 16:57:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:57:39,705 INFO L134 CoverageAnalysis]: Checked inductivity of 2009 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2009 trivial. 0 not checked. [2021-12-06 16:57:39,705 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 16:57:39,705 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306982738] [2021-12-06 16:57:39,705 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306982738] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 16:57:39,705 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 16:57:39,706 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 16:57:39,706 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749965311] [2021-12-06 16:57:39,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 16:57:39,707 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 16:57:39,707 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 16:57:39,707 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 16:57:39,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-06 16:57:39,708 INFO L87 Difference]: Start difference. First operand 5726 states and 8353 transitions. Second operand has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-06 16:57:42,644 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 16:57:44,690 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 16:58:00,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 16:58:00,151 INFO L93 Difference]: Finished difference Result 19014 states and 28243 transitions. [2021-12-06 16:58:00,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 16:58:00,152 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) Word has length 372 [2021-12-06 16:58:00,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 16:58:00,228 INFO L225 Difference]: With dead ends: 19014 [2021-12-06 16:58:00,228 INFO L226 Difference]: Without dead ends: 13340 [2021-12-06 16:58:00,249 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-12-06 16:58:00,249 INFO L933 BasicCegarLoop]: 4125 mSDtfsCounter, 10092 mSDsluCounter, 5853 mSDsCounter, 0 mSdLazyCounter, 9567 mSolverCounterSat, 7306 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10705 SdHoareTripleChecker+Valid, 9978 SdHoareTripleChecker+Invalid, 16874 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 7306 IncrementalHoareTripleChecker+Valid, 9567 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2021-12-06 16:58:00,250 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [10705 Valid, 9978 Invalid, 16874 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [7306 Valid, 9567 Invalid, 1 Unknown, 0 Unchecked, 19.9s Time] [2021-12-06 16:58:00,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13340 states. [2021-12-06 16:58:00,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13340 to 11327. [2021-12-06 16:58:00,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11327 states, 8098 states have (on average 1.377377130155594) internal successors, (11154), 8363 states have internal predecessors, (11154), 2680 states have call successors, (2680), 545 states have call predecessors, (2680), 548 states have return successors, (2701), 2624 states have call predecessors, (2701), 2675 states have call successors, (2701) [2021-12-06 16:58:00,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11327 states to 11327 states and 16535 transitions. [2021-12-06 16:58:00,766 INFO L78 Accepts]: Start accepts. Automaton has 11327 states and 16535 transitions. Word has length 372 [2021-12-06 16:58:00,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 16:58:00,766 INFO L470 AbstractCegarLoop]: Abstraction has 11327 states and 16535 transitions. [2021-12-06 16:58:00,767 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.428571428571429) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (29), 2 states have call predecessors, (29), 2 states have call successors, (29) [2021-12-06 16:58:00,767 INFO L276 IsEmpty]: Start isEmpty. Operand 11327 states and 16535 transitions. [2021-12-06 16:58:00,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 376 [2021-12-06 16:58:00,773 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 16:58:00,773 INFO L514 BasicCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 16:58:00,773 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-12-06 16:58:00,773 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 16:58:00,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 16:58:00,773 INFO L85 PathProgramCache]: Analyzing trace with hash 1580420738, now seen corresponding path program 1 times [2021-12-06 16:58:00,774 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 16:58:00,774 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085605482] [2021-12-06 16:58:00,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 16:58:00,774 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 16:58:00,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 16:58:01,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,035 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:01,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,042 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:01,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 16:58:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 16:58:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,078 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:01,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:01,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 16:58:01,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:01,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 16:58:01,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:01,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:01,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 16:58:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:01,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:01,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,158 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 16:58:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,165 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:01,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 16:58:01,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:01,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:01,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-06 16:58:01,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,200 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,205 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 16:58:01,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:01,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:01,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-06 16:58:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:01,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 16:58:01,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:01,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,250 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:01,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 16:58:01,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:01,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:01,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-06 16:58:01,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,278 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 16:58:01,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,300 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 16:58:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,311 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:01,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,316 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:01,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 16:58:01,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:01,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:01,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-06 16:58:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-06 16:58:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 16:58:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 16:58:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-06 16:58:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-06 16:58:01,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-06 16:58:01,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2021-12-06 16:58:01,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:01,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 359 [2021-12-06 16:58:01,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:01,430 INFO L134 CoverageAnalysis]: Checked inductivity of 2282 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2282 trivial. 0 not checked. [2021-12-06 16:58:01,430 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 16:58:01,431 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085605482] [2021-12-06 16:58:01,431 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085605482] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 16:58:01,431 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 16:58:01,431 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 16:58:01,431 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117497682] [2021-12-06 16:58:01,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 16:58:01,432 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 16:58:01,432 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 16:58:01,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 16:58:01,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 16:58:01,432 INFO L87 Difference]: Start difference. First operand 11327 states and 16535 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-06 16:58:04,247 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 16:58:06,282 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 16:58:08,391 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 16:58:14,973 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 16:58:24,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 16:58:24,133 INFO L93 Difference]: Finished difference Result 34781 states and 51525 transitions. [2021-12-06 16:58:24,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 16:58:24,134 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 375 [2021-12-06 16:58:24,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 16:58:24,231 INFO L225 Difference]: With dead ends: 34781 [2021-12-06 16:58:24,232 INFO L226 Difference]: Without dead ends: 23482 [2021-12-06 16:58:24,270 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-06 16:58:24,271 INFO L933 BasicCegarLoop]: 4636 mSDtfsCounter, 5993 mSDsluCounter, 9831 mSDsCounter, 0 mSdLazyCounter, 5968 mSolverCounterSat, 3744 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6450 SdHoareTripleChecker+Valid, 14467 SdHoareTripleChecker+Invalid, 9715 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3744 IncrementalHoareTripleChecker+Valid, 5968 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.0s IncrementalHoareTripleChecker+Time [2021-12-06 16:58:24,271 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [6450 Valid, 14467 Invalid, 9715 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3744 Valid, 5968 Invalid, 3 Unknown, 0 Unchecked, 22.0s Time] [2021-12-06 16:58:24,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23482 states. [2021-12-06 16:58:24,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23482 to 20907. [2021-12-06 16:58:24,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20907 states, 14952 states have (on average 1.377207062600321) internal successors, (20592), 15469 states have internal predecessors, (20592), 4922 states have call successors, (4922), 1025 states have call predecessors, (4922), 1032 states have return successors, (4997), 4810 states have call predecessors, (4997), 4909 states have call successors, (4997) [2021-12-06 16:58:25,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20907 states to 20907 states and 30511 transitions. [2021-12-06 16:58:25,067 INFO L78 Accepts]: Start accepts. Automaton has 20907 states and 30511 transitions. Word has length 375 [2021-12-06 16:58:25,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 16:58:25,068 INFO L470 AbstractCegarLoop]: Abstraction has 20907 states and 30511 transitions. [2021-12-06 16:58:25,068 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 3 states have internal predecessors, (67), 2 states have call successors, (31), 5 states have call predecessors, (31), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2021-12-06 16:58:25,068 INFO L276 IsEmpty]: Start isEmpty. Operand 20907 states and 30511 transitions. [2021-12-06 16:58:25,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2021-12-06 16:58:25,076 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 16:58:25,076 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 7, 7, 7, 7, 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] [2021-12-06 16:58:25,076 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-12-06 16:58:25,076 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 16:58:25,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 16:58:25,077 INFO L85 PathProgramCache]: Analyzing trace with hash -2066131295, now seen corresponding path program 1 times [2021-12-06 16:58:25,077 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 16:58:25,077 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779900400] [2021-12-06 16:58:25,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 16:58:25,077 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 16:58:25,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 16:58:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:25,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,319 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 16:58:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 16:58:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 16:58:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:25,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,361 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:25,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,365 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 16:58:25,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:25,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,379 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 16:58:25,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,393 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:25,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,398 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:25,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 16:58:25,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,411 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:25,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:25,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 16:58:25,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:25,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:25,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-06 16:58:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:25,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,445 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:25,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 16:58:25,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,460 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:25,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-06 16:58:25,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,472 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:25,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:25,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 16:58:25,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:25,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 16:58:25,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,504 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:25,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-06 16:58:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:25,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:25,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 16:58:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,536 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,541 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:25,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,546 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 16:58:25,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:25,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 16:58:25,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,585 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-06 16:58:25,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-06 16:58:25,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,598 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 16:58:25,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 16:58:25,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,611 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-06 16:58:25,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-06 16:58:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-06 16:58:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-06 16:58:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,637 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:25,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,646 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-06 16:58:25,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,652 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:25,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,657 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:25,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:25,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2021 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2021 trivial. 0 not checked. [2021-12-06 16:58:25,662 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 16:58:25,662 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779900400] [2021-12-06 16:58:25,662 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779900400] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 16:58:25,662 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 16:58:25,663 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 16:58:25,663 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529998085] [2021-12-06 16:58:25,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 16:58:25,663 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 16:58:25,663 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 16:58:25,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 16:58:25,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 16:58:25,664 INFO L87 Difference]: Start difference. First operand 20907 states and 30511 transitions. Second operand has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-06 16:58:29,560 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 16:58:31,596 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 16:58:33,713 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 16:58:35,729 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 16:58:37,762 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 16:58:39,801 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 16:58:41,841 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 16:58:43,875 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 16:58:52,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 16:58:52,790 INFO L93 Difference]: Finished difference Result 44342 states and 65451 transitions. [2021-12-06 16:58:52,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-12-06 16:58:52,791 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 385 [2021-12-06 16:58:52,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 16:58:52,911 INFO L225 Difference]: With dead ends: 44342 [2021-12-06 16:58:52,911 INFO L226 Difference]: Without dead ends: 23487 [2021-12-06 16:58:52,951 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-12-06 16:58:52,951 INFO L933 BasicCegarLoop]: 3955 mSDtfsCounter, 1587 mSDsluCounter, 9339 mSDsCounter, 0 mSdLazyCounter, 4231 mSolverCounterSat, 1816 mSolverCounterUnsat, 7 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 25.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1651 SdHoareTripleChecker+Valid, 13294 SdHoareTripleChecker+Invalid, 6054 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1816 IncrementalHoareTripleChecker+Valid, 4231 IncrementalHoareTripleChecker+Invalid, 7 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 26.4s IncrementalHoareTripleChecker+Time [2021-12-06 16:58:52,952 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1651 Valid, 13294 Invalid, 6054 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1816 Valid, 4231 Invalid, 7 Unknown, 0 Unchecked, 26.4s Time] [2021-12-06 16:58:52,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23487 states. [2021-12-06 16:58:53,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23487 to 20915. [2021-12-06 16:58:53,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20915 states, 14960 states have (on average 1.3770053475935828) internal successors, (20600), 15477 states have internal predecessors, (20600), 4922 states have call successors, (4922), 1025 states have call predecessors, (4922), 1032 states have return successors, (4997), 4810 states have call predecessors, (4997), 4909 states have call successors, (4997) [2021-12-06 16:58:53,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20915 states to 20915 states and 30519 transitions. [2021-12-06 16:58:53,664 INFO L78 Accepts]: Start accepts. Automaton has 20915 states and 30519 transitions. Word has length 385 [2021-12-06 16:58:53,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 16:58:53,664 INFO L470 AbstractCegarLoop]: Abstraction has 20915 states and 30519 transitions. [2021-12-06 16:58:53,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.166666666666666) internal successors, (79), 3 states have internal predecessors, (79), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-06 16:58:53,665 INFO L276 IsEmpty]: Start isEmpty. Operand 20915 states and 30519 transitions. [2021-12-06 16:58:53,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2021-12-06 16:58:53,669 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 16:58:53,669 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 7, 7, 7, 7, 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] [2021-12-06 16:58:53,669 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-12-06 16:58:53,669 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 16:58:53,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 16:58:53,670 INFO L85 PathProgramCache]: Analyzing trace with hash 1747755743, now seen corresponding path program 1 times [2021-12-06 16:58:53,670 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 16:58:53,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394313059] [2021-12-06 16:58:53,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 16:58:53,670 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 16:58:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:53,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 16:58:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:54,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 16:58:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,023 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:54,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,028 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 16:58:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,034 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:54,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 16:58:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:54,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:54,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 16:58:54,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:54,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:54,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 16:58:54,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,085 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:54,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:54,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 16:58:54,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,100 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:54,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,105 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:54,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 16:58:54,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,120 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:54,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-06 16:58:54,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:54,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,136 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:54,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 16:58:54,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:54,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:54,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-06 16:58:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,163 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:54,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:54,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,172 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 16:58:54,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,186 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:54,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,192 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 16:58:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,207 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:54,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-06 16:58:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:54,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:54,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 16:58:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:54,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,242 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:54,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 16:58:54,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:54,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:54,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 16:58:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:58:54,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-06 16:58:54,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,296 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-06 16:58:54,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 16:58:54,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 16:58:54,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-06 16:58:54,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-06 16:58:54,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,329 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-06 16:58:54,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-06 16:58:54,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,341 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:54,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:54,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-06 16:58:54,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,356 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:54,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,360 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:58:54,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:58:54,366 INFO L134 CoverageAnalysis]: Checked inductivity of 2021 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2021 trivial. 0 not checked. [2021-12-06 16:58:54,366 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 16:58:54,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394313059] [2021-12-06 16:58:54,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394313059] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 16:58:54,366 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 16:58:54,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-12-06 16:58:54,366 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914655172] [2021-12-06 16:58:54,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 16:58:54,367 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-12-06 16:58:54,367 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 16:58:54,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-12-06 16:58:54,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2021-12-06 16:58:54,368 INFO L87 Difference]: Start difference. First operand 20915 states and 30519 transitions. Second operand has 9 states, 8 states have (on average 9.875) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2021-12-06 16:58:58,308 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 16:59:00,860 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 16:59:02,900 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 16:59:04,938 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 16:59:06,985 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 16:59:10,517 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 16:59:13,063 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 16:59:15,096 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 16:59:17,599 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 16:59:31,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 16:59:31,324 INFO L93 Difference]: Finished difference Result 44654 states and 65963 transitions. [2021-12-06 16:59:31,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-12-06 16:59:31,325 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 9.875) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 385 [2021-12-06 16:59:31,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 16:59:31,435 INFO L225 Difference]: With dead ends: 44654 [2021-12-06 16:59:31,435 INFO L226 Difference]: Without dead ends: 23791 [2021-12-06 16:59:31,474 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2021-12-06 16:59:31,474 INFO L933 BasicCegarLoop]: 3945 mSDtfsCounter, 1632 mSDsluCounter, 19223 mSDsCounter, 0 mSdLazyCounter, 7637 mSolverCounterSat, 1860 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 34.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1697 SdHoareTripleChecker+Valid, 23168 SdHoareTripleChecker+Invalid, 9505 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1860 IncrementalHoareTripleChecker+Valid, 7637 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.2s IncrementalHoareTripleChecker+Time [2021-12-06 16:59:31,474 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [1697 Valid, 23168 Invalid, 9505 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1860 Valid, 7637 Invalid, 8 Unknown, 0 Unchecked, 36.2s Time] [2021-12-06 16:59:31,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23791 states. [2021-12-06 16:59:32,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23791 to 21043. [2021-12-06 16:59:32,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21043 states, 15056 states have (on average 1.377258235919235) internal successors, (20736), 15581 states have internal predecessors, (20736), 4946 states have call successors, (4946), 1033 states have call predecessors, (4946), 1040 states have return successors, (5021), 4826 states have call predecessors, (5021), 4933 states have call successors, (5021) [2021-12-06 16:59:32,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21043 states to 21043 states and 30703 transitions. [2021-12-06 16:59:32,139 INFO L78 Accepts]: Start accepts. Automaton has 21043 states and 30703 transitions. Word has length 385 [2021-12-06 16:59:32,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 16:59:32,140 INFO L470 AbstractCegarLoop]: Abstraction has 21043 states and 30703 transitions. [2021-12-06 16:59:32,140 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 9.875) internal successors, (79), 5 states have internal predecessors, (79), 3 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2021-12-06 16:59:32,140 INFO L276 IsEmpty]: Start isEmpty. Operand 21043 states and 30703 transitions. [2021-12-06 16:59:32,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2021-12-06 16:59:32,145 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 16:59:32,146 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 16:59:32,146 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-12-06 16:59:32,146 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 16:59:32,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 16:59:32,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1986150015, now seen corresponding path program 1 times [2021-12-06 16:59:32,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 16:59:32,146 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79401406] [2021-12-06 16:59:32,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 16:59:32,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 16:59:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 16:59:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:59:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:59:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 16:59:32,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:59:32,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:59:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 16:59:32,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:59:32,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:59:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 16:59:32,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:59:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,417 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:59:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 16:59:32,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:59:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,431 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:59:32,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 16:59:32,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,441 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:59:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,444 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:59:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 16:59:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,457 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:59:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:59:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 16:59:32,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:59:32,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:59:32,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-06 16:59:32,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:59:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:59:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 16:59:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:59:32,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:59:32,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,525 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-06 16:59:32,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:59:32,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:59:32,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 16:59:32,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:59:32,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:59:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,600 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 16:59:32,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,605 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:59:32,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:59:32,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-06 16:59:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:59:32,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:59:32,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,626 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 16:59:32,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:59:32,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:59:32,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,639 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 16:59:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:59:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:59:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 16:59:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,659 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:59:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,663 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:59:32,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-06 16:59:32,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,677 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-06 16:59:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 16:59:32,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 16:59:32,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-06 16:59:32,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,699 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-06 16:59:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-06 16:59:32,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-12-06 16:59:32,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2021-12-06 16:59:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,719 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:59:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,722 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2021-12-06 16:59:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:32,727 INFO L134 CoverageAnalysis]: Checked inductivity of 2009 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2009 trivial. 0 not checked. [2021-12-06 16:59:32,727 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 16:59:32,727 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79401406] [2021-12-06 16:59:32,727 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [79401406] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 16:59:32,727 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 16:59:32,727 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 16:59:32,727 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1412670335] [2021-12-06 16:59:32,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 16:59:32,728 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 16:59:32,728 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 16:59:32,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 16:59:32,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 16:59:32,728 INFO L87 Difference]: Start difference. First operand 21043 states and 30703 transitions. Second operand has 6 states, 6 states have (on average 14.5) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-06 16:59:37,773 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 16:59:39,809 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 16:59:42,588 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 16:59:46,056 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 16:59:49,903 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 16:59:51,444 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 16:59:56,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 16:59:56,555 INFO L93 Difference]: Finished difference Result 66844 states and 98874 transitions. [2021-12-06 16:59:56,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 16:59:56,555 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 384 [2021-12-06 16:59:56,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 16:59:56,744 INFO L225 Difference]: With dead ends: 66844 [2021-12-06 16:59:56,744 INFO L226 Difference]: Without dead ends: 45853 [2021-12-06 16:59:56,801 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-06 16:59:56,802 INFO L933 BasicCegarLoop]: 5503 mSDtfsCounter, 7612 mSDsluCounter, 6313 mSDsCounter, 0 mSdLazyCounter, 3404 mSolverCounterSat, 5362 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 21.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8132 SdHoareTripleChecker+Valid, 11816 SdHoareTripleChecker+Invalid, 8770 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5362 IncrementalHoareTripleChecker+Valid, 3404 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 22.6s IncrementalHoareTripleChecker+Time [2021-12-06 16:59:56,802 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [8132 Valid, 11816 Invalid, 8770 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5362 Valid, 3404 Invalid, 4 Unknown, 0 Unchecked, 22.6s Time] [2021-12-06 16:59:56,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45853 states. [2021-12-06 16:59:57,963 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45853 to 40770. [2021-12-06 16:59:57,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 40770 states, 29215 states have (on average 1.3767927434537053) internal successors, (40223), 30202 states have internal predecessors, (40223), 9522 states have call successors, (9522), 2013 states have call predecessors, (9522), 2032 states have return successors, (9653), 9314 states have call predecessors, (9653), 9509 states have call successors, (9653) [2021-12-06 16:59:58,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40770 states to 40770 states and 59398 transitions. [2021-12-06 16:59:58,170 INFO L78 Accepts]: Start accepts. Automaton has 40770 states and 59398 transitions. Word has length 384 [2021-12-06 16:59:58,171 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 16:59:58,171 INFO L470 AbstractCegarLoop]: Abstraction has 40770 states and 59398 transitions. [2021-12-06 16:59:58,171 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 14.5) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (35), 5 states have call predecessors, (35), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-06 16:59:58,171 INFO L276 IsEmpty]: Start isEmpty. Operand 40770 states and 59398 transitions. [2021-12-06 16:59:58,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2021-12-06 16:59:58,174 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 16:59:58,175 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 7, 7, 7, 7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-12-06 16:59:58,175 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-12-06 16:59:58,175 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 16:59:58,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 16:59:58,175 INFO L85 PathProgramCache]: Analyzing trace with hash 1675939909, now seen corresponding path program 1 times [2021-12-06 16:59:58,175 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 16:59:58,175 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1546257008] [2021-12-06 16:59:58,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 16:59:58,175 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 16:59:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 16:59:58,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,437 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:59:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,442 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:59:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 16:59:58,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,452 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:59:58,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,456 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:59:58,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 16:59:58,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:59:58,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:59:58,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 16:59:58,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,480 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:59:58,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:59:58,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 16:59:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,493 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:59:58,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:59:58,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 16:59:58,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,506 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:59:58,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,510 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:59:58,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 16:59:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:59:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:59:58,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,552 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 16:59:58,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:59:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,562 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:59:58,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,565 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-06 16:59:58,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:59:58,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,574 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:59:58,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,577 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 16:59:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:59:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,587 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:59:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,590 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-06 16:59:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,596 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:59:58,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:59:58,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,606 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 16:59:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,614 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:59:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,620 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:59:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 16:59:58,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:59:58,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,638 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:59:58,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-06 16:59:58,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,649 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:59:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:59:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,658 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 16:59:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:59:58,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,668 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:59:58,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,672 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 16:59:58,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:59:58,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:59:58,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 16:59:58,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 16:59:58,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,695 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 16:59:58,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,705 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-06 16:59:58,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-06 16:59:58,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 16:59:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 16:59:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,725 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-06 16:59:58,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,731 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-06 16:59:58,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-06 16:59:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2021-12-06 16:59:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2021-12-06 16:59:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2021-12-06 16:59:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,768 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2021-12-06 16:59:58,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 16:59:58,773 INFO L134 CoverageAnalysis]: Checked inductivity of 2012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2012 trivial. 0 not checked. [2021-12-06 16:59:58,773 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 16:59:58,773 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1546257008] [2021-12-06 16:59:58,773 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1546257008] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 16:59:58,773 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 16:59:58,773 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 16:59:58,773 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1762455355] [2021-12-06 16:59:58,773 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 16:59:58,774 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 16:59:58,774 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 16:59:58,774 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 16:59:58,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-06 16:59:58,775 INFO L87 Difference]: Start difference. First operand 40770 states and 59398 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-06 17:00:03,827 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.36s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:00:05,847 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:00:08,378 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:00:10,433 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:00:12,933 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:00:15,044 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:00:17,079 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:00:27,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:00:27,132 INFO L93 Difference]: Finished difference Result 133280 states and 197245 transitions. [2021-12-06 17:00:27,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-12-06 17:00:27,133 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 378 [2021-12-06 17:00:27,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:00:27,502 INFO L225 Difference]: With dead ends: 133280 [2021-12-06 17:00:27,502 INFO L226 Difference]: Without dead ends: 92562 [2021-12-06 17:00:27,616 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2021-12-06 17:00:27,617 INFO L933 BasicCegarLoop]: 4429 mSDtfsCounter, 11842 mSDsluCounter, 5179 mSDsCounter, 0 mSdLazyCounter, 7068 mSolverCounterSat, 8953 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 24.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12462 SdHoareTripleChecker+Valid, 9608 SdHoareTripleChecker+Invalid, 16026 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8953 IncrementalHoareTripleChecker+Valid, 7068 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 25.9s IncrementalHoareTripleChecker+Time [2021-12-06 17:00:27,617 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12462 Valid, 9608 Invalid, 16026 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8953 Valid, 7068 Invalid, 5 Unknown, 0 Unchecked, 25.9s Time] [2021-12-06 17:00:27,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92562 states. [2021-12-06 17:00:30,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92562 to 79623. [2021-12-06 17:00:30,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79623 states, 57091 states have (on average 1.3768720113503004) internal successors, (78607), 59013 states have internal predecessors, (78607), 18527 states have call successors, (18527), 3965 states have call predecessors, (18527), 4004 states have return successors, (18790), 18120 states have call predecessors, (18790), 18502 states have call successors, (18790) [2021-12-06 17:00:30,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79623 states to 79623 states and 115924 transitions. [2021-12-06 17:00:30,636 INFO L78 Accepts]: Start accepts. Automaton has 79623 states and 115924 transitions. Word has length 378 [2021-12-06 17:00:30,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:00:30,637 INFO L470 AbstractCegarLoop]: Abstraction has 79623 states and 115924 transitions. [2021-12-06 17:00:30,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 3 states have internal predecessors, (81), 2 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-06 17:00:30,637 INFO L276 IsEmpty]: Start isEmpty. Operand 79623 states and 115924 transitions. [2021-12-06 17:00:30,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 388 [2021-12-06 17:00:30,641 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:00:30,641 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 7, 7, 7, 7, 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] [2021-12-06 17:00:30,641 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-12-06 17:00:30,641 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:00:30,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:00:30,642 INFO L85 PathProgramCache]: Analyzing trace with hash 2021825443, now seen corresponding path program 1 times [2021-12-06 17:00:30,642 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:00:30,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [255768194] [2021-12-06 17:00:30,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:00:30,642 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:00:30,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:30,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:00:30,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:30,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:30,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:00:30,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:30,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:00:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:30,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:30,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:30,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:00:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:30,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:00:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:30,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:30,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:30,889 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:00:30,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:30,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:00:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:30,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:30,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:00:30,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:30,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:00:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:30,915 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:30,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:30,919 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:00:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:30,922 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:00:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:30,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:30,931 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:00:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:30,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 17:00:30,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:30,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:30,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:30,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:00:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:30,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 17:00:30,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:30,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:30,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:30,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:00:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:30,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-06 17:00:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:30,965 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:30,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:30,969 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:00:30,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:30,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 17:00:30,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:30,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:30,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:30,982 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:00:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:30,986 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-06 17:00:30,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:30,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:30,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:00:30,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:30,998 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 17:00:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:31,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:31,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:31,008 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:00:31,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:31,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 17:00:31,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:31,017 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:31,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:31,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:00:31,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:31,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-06 17:00:31,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:31,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:31,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:31,033 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:00:31,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:31,037 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 17:00:31,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:31,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:31,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:31,047 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:00:31,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:31,050 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 17:00:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:31,056 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:31,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:31,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:00:31,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:31,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 17:00:31,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:31,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:31,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:31,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:00:31,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:31,081 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-06 17:00:31,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:31,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-06 17:00:31,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:31,092 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 17:00:31,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:31,098 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 17:00:31,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:31,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-06 17:00:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:31,109 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-06 17:00:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:31,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-06 17:00:31,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:31,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-06 17:00:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:31,126 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:31,129 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:31,132 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-06 17:00:31,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:31,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:31,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:31,140 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:31,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:31,145 INFO L134 CoverageAnalysis]: Checked inductivity of 2021 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2021 trivial. 0 not checked. [2021-12-06 17:00:31,145 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:00:31,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [255768194] [2021-12-06 17:00:31,145 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [255768194] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:00:31,145 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:00:31,145 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-12-06 17:00:31,145 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073852503] [2021-12-06 17:00:31,145 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:00:31,146 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-12-06 17:00:31,146 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:00:31,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-12-06 17:00:31,146 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-12-06 17:00:31,146 INFO L87 Difference]: Start difference. First operand 79623 states and 115924 transitions. Second operand has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2021-12-06 17:00:38,559 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:00:40,602 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:00:43,552 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:00:45,592 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:00:53,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:00:53,800 INFO L93 Difference]: Finished difference Result 169442 states and 249473 transitions. [2021-12-06 17:00:53,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-12-06 17:00:53,801 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 387 [2021-12-06 17:00:53,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:00:54,129 INFO L225 Difference]: With dead ends: 169442 [2021-12-06 17:00:54,129 INFO L226 Difference]: Without dead ends: 89871 [2021-12-06 17:00:54,323 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-12-06 17:00:54,323 INFO L933 BasicCegarLoop]: 3959 mSDtfsCounter, 2516 mSDsluCounter, 8464 mSDsCounter, 0 mSdLazyCounter, 4059 mSolverCounterSat, 2837 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 18.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2582 SdHoareTripleChecker+Valid, 12423 SdHoareTripleChecker+Invalid, 6900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2837 IncrementalHoareTripleChecker+Valid, 4059 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 19.9s IncrementalHoareTripleChecker+Time [2021-12-06 17:00:54,323 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [2582 Valid, 12423 Invalid, 6900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2837 Valid, 4059 Invalid, 4 Unknown, 0 Unchecked, 19.9s Time] [2021-12-06 17:00:54,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89871 states. [2021-12-06 17:00:57,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89871 to 79623. [2021-12-06 17:00:57,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79623 states, 57091 states have (on average 1.3765917570194952) internal successors, (78591), 59013 states have internal predecessors, (78591), 18527 states have call successors, (18527), 3965 states have call predecessors, (18527), 4004 states have return successors, (18790), 18120 states have call predecessors, (18790), 18502 states have call successors, (18790) [2021-12-06 17:00:57,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79623 states to 79623 states and 115908 transitions. [2021-12-06 17:00:57,531 INFO L78 Accepts]: Start accepts. Automaton has 79623 states and 115908 transitions. Word has length 387 [2021-12-06 17:00:57,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:00:57,532 INFO L470 AbstractCegarLoop]: Abstraction has 79623 states and 115908 transitions. [2021-12-06 17:00:57,532 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 11.571428571428571) internal successors, (81), 4 states have internal predecessors, (81), 2 states have call successors, (33), 5 states have call predecessors, (33), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2021-12-06 17:00:57,532 INFO L276 IsEmpty]: Start isEmpty. Operand 79623 states and 115908 transitions. [2021-12-06 17:00:57,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 389 [2021-12-06 17:00:57,536 INFO L506 BasicCegarLoop]: Found error trace [2021-12-06 17:00:57,536 INFO L514 BasicCegarLoop]: trace histogram [17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 17, 7, 7, 7, 7, 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] [2021-12-06 17:00:57,536 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-12-06 17:00:57,536 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-12-06 17:00:57,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 17:00:57,536 INFO L85 PathProgramCache]: Analyzing trace with hash -53458022, now seen corresponding path program 1 times [2021-12-06 17:00:57,536 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 17:00:57,537 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208221897] [2021-12-06 17:00:57,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 17:00:57,537 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 17:00:57,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-12-06 17:00:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,781 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:57,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,785 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:00:57,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-12-06 17:00:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,795 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:57,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:00:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,802 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-12-06 17:00:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,809 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:00:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,817 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-12-06 17:00:57,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:57,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:00:57,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-12-06 17:00:57,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:00:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-12-06 17:00:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,855 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:57,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:00:57,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-12-06 17:00:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,869 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:00:57,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-12-06 17:00:57,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:00:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,891 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-12-06 17:00:57,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,899 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:57,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,903 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:00:57,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,907 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-12-06 17:00:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:57,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:00:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-12-06 17:00:57,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,929 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:00:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2021-12-06 17:00:57,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:57,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:00:57,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-12-06 17:00:57,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:57,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:00:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 210 [2021-12-06 17:00:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,973 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:57,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:00:57,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,980 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-12-06 17:00:57,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:57,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,991 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:00:57,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:57,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2021-12-06 17:00:57,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:58,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:58,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:58,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:00:58,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:58,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-12-06 17:00:58,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:58,018 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:58,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-12-06 17:00:58,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:58,032 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 275 [2021-12-06 17:00:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:58,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2021-12-06 17:00:58,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:58,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-12-06 17:00:58,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:58,052 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2021-12-06 17:00:58,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:58,059 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 303 [2021-12-06 17:00:58,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:58,066 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2021-12-06 17:00:58,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:58,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2021-12-06 17:00:58,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:58,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2021-12-06 17:00:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:58,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:58,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:58,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:58,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2021-12-06 17:00:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:58,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:58,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-12-06 17:00:58,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 17:00:58,107 INFO L134 CoverageAnalysis]: Checked inductivity of 2021 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2021 trivial. 0 not checked. [2021-12-06 17:00:58,107 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-12-06 17:00:58,107 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208221897] [2021-12-06 17:00:58,107 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208221897] provided 1 perfect and 0 imperfect interpolant sequences [2021-12-06 17:00:58,108 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-12-06 17:00:58,108 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-12-06 17:00:58,108 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63649932] [2021-12-06 17:00:58,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-12-06 17:00:58,108 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-12-06 17:00:58,108 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-12-06 17:00:58,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-12-06 17:00:58,108 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-12-06 17:00:58,109 INFO L87 Difference]: Start difference. First operand 79623 states and 115908 transitions. Second operand has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-06 17:01:03,575 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:01:05,618 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:01:08,631 WARN L534 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-12-06 17:01:16,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-12-06 17:01:16,197 INFO L93 Difference]: Finished difference Result 90889 states and 134285 transitions. [2021-12-06 17:01:16,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-12-06 17:01:16,198 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) Word has length 388 [2021-12-06 17:01:16,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-12-06 17:01:16,203 INFO L225 Difference]: With dead ends: 90889 [2021-12-06 17:01:16,203 INFO L226 Difference]: Without dead ends: 0 [2021-12-06 17:01:16,405 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-12-06 17:01:16,406 INFO L933 BasicCegarLoop]: 3934 mSDtfsCounter, 5255 mSDsluCounter, 4101 mSDsCounter, 0 mSdLazyCounter, 2628 mSolverCounterSat, 2567 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5636 SdHoareTripleChecker+Valid, 8035 SdHoareTripleChecker+Invalid, 5198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2567 IncrementalHoareTripleChecker+Valid, 2628 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.8s IncrementalHoareTripleChecker+Time [2021-12-06 17:01:16,406 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [5636 Valid, 8035 Invalid, 5198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2567 Valid, 2628 Invalid, 3 Unknown, 0 Unchecked, 15.8s Time] [2021-12-06 17:01:16,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-12-06 17:01:16,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-12-06 17:01:16,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 17:01:16,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-12-06 17:01:16,417 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 388 [2021-12-06 17:01:16,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-12-06 17:01:16,417 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 17:01:16,417 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.666666666666666) internal successors, (82), 3 states have internal predecessors, (82), 3 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (30), 2 states have call predecessors, (30), 2 states have call successors, (30) [2021-12-06 17:01:16,417 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-12-06 17:01:16,417 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-12-06 17:01:16,419 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-12-06 17:01:16,420 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-12-06 17:01:16,421 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-12-06 17:01:26,755 WARN L227 SmtUtils]: Spent 10.00s on a formula simplification. DAG size of input: 54 DAG size of output: 51 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:01:39,042 WARN L227 SmtUtils]: Spent 10.08s on a formula simplification. DAG size of input: 52 DAG size of output: 49 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:01:50,586 WARN L227 SmtUtils]: Spent 11.54s on a formula simplification. DAG size of input: 54 DAG size of output: 51 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:02:03,534 WARN L227 SmtUtils]: Spent 11.64s on a formula simplification. DAG size of input: 60 DAG size of output: 57 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:02:14,871 WARN L227 SmtUtils]: Spent 11.34s on a formula simplification. DAG size of input: 56 DAG size of output: 53 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:02:26,397 WARN L227 SmtUtils]: Spent 11.52s on a formula simplification. DAG size of input: 58 DAG size of output: 55 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:02:37,894 WARN L227 SmtUtils]: Spent 11.50s on a formula simplification. DAG size of input: 54 DAG size of output: 51 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:02:49,398 WARN L227 SmtUtils]: Spent 10.14s on a formula simplification. DAG size of input: 58 DAG size of output: 55 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:03:00,483 WARN L227 SmtUtils]: Spent 10.04s on a formula simplification. DAG size of input: 58 DAG size of output: 55 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:03:12,398 WARN L227 SmtUtils]: Spent 11.41s on a formula simplification. DAG size of input: 56 DAG size of output: 53 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:03:22,469 WARN L227 SmtUtils]: Spent 10.07s on a formula simplification. DAG size of input: 56 DAG size of output: 53 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:03:34,009 WARN L227 SmtUtils]: Spent 11.54s on a formula simplification. DAG size of input: 60 DAG size of output: 57 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:03:44,669 WARN L227 SmtUtils]: Spent 9.86s on a formula simplification. DAG size of input: 52 DAG size of output: 49 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:03:56,292 WARN L227 SmtUtils]: Spent 11.62s on a formula simplification. DAG size of input: 58 DAG size of output: 55 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:04:08,061 WARN L227 SmtUtils]: Spent 9.88s on a formula simplification. DAG size of input: 54 DAG size of output: 51 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:04:18,244 WARN L227 SmtUtils]: Spent 10.18s on a formula simplification. DAG size of input: 56 DAG size of output: 53 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:04:30,578 WARN L227 SmtUtils]: Spent 9.86s on a formula simplification. DAG size of input: 54 DAG size of output: 51 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:04:41,398 WARN L227 SmtUtils]: Spent 10.30s on a formula simplification. DAG size of input: 56 DAG size of output: 53 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:04:52,767 WARN L227 SmtUtils]: Spent 11.37s on a formula simplification. DAG size of input: 54 DAG size of output: 51 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:05:02,778 WARN L227 SmtUtils]: Spent 10.01s on a formula simplification. DAG size of input: 58 DAG size of output: 55 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:05:13,496 WARN L227 SmtUtils]: Spent 9.88s on a formula simplification. DAG size of input: 54 DAG size of output: 51 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:05:25,655 WARN L227 SmtUtils]: Spent 11.32s on a formula simplification. DAG size of input: 56 DAG size of output: 53 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:05:35,500 WARN L227 SmtUtils]: Spent 9.84s on a formula simplification. DAG size of input: 54 DAG size of output: 51 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:05:47,035 WARN L227 SmtUtils]: Spent 11.53s on a formula simplification. DAG size of input: 60 DAG size of output: 57 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:06:01,301 WARN L227 SmtUtils]: Spent 11.32s on a formula simplification. DAG size of input: 56 DAG size of output: 53 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:06:12,810 WARN L227 SmtUtils]: Spent 11.51s on a formula simplification. DAG size of input: 60 DAG size of output: 57 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:06:25,902 WARN L227 SmtUtils]: Spent 11.51s on a formula simplification. DAG size of input: 58 DAG size of output: 55 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:06:38,053 WARN L227 SmtUtils]: Spent 11.31s on a formula simplification. DAG size of input: 54 DAG size of output: 51 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:06:47,901 WARN L227 SmtUtils]: Spent 9.85s on a formula simplification. DAG size of input: 52 DAG size of output: 49 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:06:59,289 WARN L227 SmtUtils]: Spent 10.04s on a formula simplification. DAG size of input: 56 DAG size of output: 53 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:07:12,379 WARN L227 SmtUtils]: Spent 11.53s on a formula simplification. DAG size of input: 60 DAG size of output: 57 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:07:22,209 WARN L227 SmtUtils]: Spent 9.83s on a formula simplification. DAG size of input: 52 DAG size of output: 49 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:07:32,851 WARN L227 SmtUtils]: Spent 9.85s on a formula simplification. DAG size of input: 54 DAG size of output: 51 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:07:45,494 WARN L227 SmtUtils]: Spent 11.32s on a formula simplification. DAG size of input: 56 DAG size of output: 53 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:07:57,011 WARN L227 SmtUtils]: Spent 11.52s on a formula simplification. DAG size of input: 58 DAG size of output: 55 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:08:07,015 WARN L227 SmtUtils]: Spent 10.00s on a formula simplification. DAG size of input: 58 DAG size of output: 55 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:08:20,719 WARN L227 SmtUtils]: Spent 11.52s on a formula simplification. DAG size of input: 60 DAG size of output: 57 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:08:31,229 WARN L227 SmtUtils]: Spent 9.99s on a formula simplification. DAG size of input: 56 DAG size of output: 53 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:08:42,071 WARN L227 SmtUtils]: Spent 10.00s on a formula simplification. DAG size of input: 58 DAG size of output: 55 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:08:53,375 WARN L227 SmtUtils]: Spent 11.30s on a formula simplification. DAG size of input: 54 DAG size of output: 51 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:09:04,882 WARN L227 SmtUtils]: Spent 11.51s on a formula simplification. DAG size of input: 58 DAG size of output: 55 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:09:16,186 WARN L227 SmtUtils]: Spent 11.30s on a formula simplification. DAG size of input: 54 DAG size of output: 51 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:09:27,899 WARN L227 SmtUtils]: Spent 9.84s on a formula simplification. DAG size of input: 52 DAG size of output: 49 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:09:40,731 WARN L227 SmtUtils]: Spent 10.00s on a formula simplification. DAG size of input: 58 DAG size of output: 55 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:09:52,032 WARN L227 SmtUtils]: Spent 11.30s on a formula simplification. DAG size of input: 56 DAG size of output: 53 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:10:02,529 WARN L227 SmtUtils]: Spent 9.99s on a formula simplification. DAG size of input: 56 DAG size of output: 53 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:10:12,365 WARN L227 SmtUtils]: Spent 9.83s on a formula simplification. DAG size of input: 52 DAG size of output: 49 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:10:23,880 WARN L227 SmtUtils]: Spent 11.51s on a formula simplification. DAG size of input: 58 DAG size of output: 55 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or) [2021-12-06 17:10:35,365 WARN L227 SmtUtils]: Spent 10.06s on a formula simplification. DAG size of input: 61 DAG size of output: 58 (called from [L 182] de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.HoareAnnotationComposer.or)