./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--dmfe.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--dmfe.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 246ceae3084839b9b339f99ac0b8607f0cf18f3fcdd140edc02c2b8d150b0ed6 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 01:50:49,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 01:50:49,588 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 01:50:49,636 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 01:50:49,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 01:50:49,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 01:50:49,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 01:50:49,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 01:50:49,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 01:50:49,657 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 01:50:49,658 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 01:50:49,660 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 01:50:49,661 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 01:50:49,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 01:50:49,665 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 01:50:49,667 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 01:50:49,668 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 01:50:49,669 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 01:50:49,671 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 01:50:49,677 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 01:50:49,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 01:50:49,681 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 01:50:49,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 01:50:49,686 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 01:50:49,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 01:50:49,691 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 01:50:49,691 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 01:50:49,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 01:50:49,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 01:50:49,694 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 01:50:49,695 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 01:50:49,696 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 01:50:49,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 01:50:49,699 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 01:50:49,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 01:50:49,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 01:50:49,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 01:50:49,703 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 01:50:49,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 01:50:49,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 01:50:49,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 01:50:49,706 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 01:50:49,745 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 01:50:49,745 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 01:50:49,746 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 01:50:49,746 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 01:50:49,747 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 01:50:49,747 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 01:50:49,747 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 01:50:49,748 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 01:50:49,748 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 01:50:49,748 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 01:50:49,749 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 01:50:49,749 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 01:50:49,749 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 01:50:49,750 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 01:50:49,750 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 01:50:49,750 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 01:50:49,750 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 01:50:49,751 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 01:50:49,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 01:50:49,751 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 01:50:49,752 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 01:50:49,752 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 01:50:49,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 01:50:49,754 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 01:50:49,754 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 01:50:49,754 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 01:50:49,754 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 01:50:49,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 01:50:49,755 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 01:50:49,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:50:49,755 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 01:50:49,756 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 01:50:49,756 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 01:50:49,756 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 01:50:49,756 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 01:50:49,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 01:50:49,757 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 01:50:49,757 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 01:50:49,757 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_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 246ceae3084839b9b339f99ac0b8607f0cf18f3fcdd140edc02c2b8d150b0ed6 [2022-11-03 01:50:50,010 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 01:50:50,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 01:50:50,033 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 01:50:50,035 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 01:50:50,036 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 01:50:50,037 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--dmfe.ko-entry_point.cil.out.i [2022-11-03 01:50:50,120 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/data/c9227b6f5/fbe034627160409f92ae46ea0c725100/FLAG1a380fc6c [2022-11-03 01:50:50,948 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 01:50:50,949 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--dmfe.ko-entry_point.cil.out.i [2022-11-03 01:50:50,997 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/data/c9227b6f5/fbe034627160409f92ae46ea0c725100/FLAG1a380fc6c [2022-11-03 01:50:51,474 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/data/c9227b6f5/fbe034627160409f92ae46ea0c725100 [2022-11-03 01:50:51,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 01:50:51,478 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 01:50:51,480 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 01:50:51,480 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 01:50:51,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 01:50:51,484 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:50:51" (1/1) ... [2022-11-03 01:50:51,486 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4828d26a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:51, skipping insertion in model container [2022-11-03 01:50:51,486 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 01:50:51" (1/1) ... [2022-11-03 01:50:51,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 01:50:51,633 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 01:50:53,376 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_6d7f447a-f267-4e4d-9319-66786fcd0006/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--dmfe.ko-entry_point.cil.out.i[261928,261941] [2022-11-03 01:50:53,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:50:53,473 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 01:50:53,841 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_6d7f447a-f267-4e4d-9319-66786fcd0006/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--dmfe.ko-entry_point.cil.out.i[261928,261941] [2022-11-03 01:50:53,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 01:50:54,026 INFO L208 MainTranslator]: Completed translation [2022-11-03 01:50:54,026 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:54 WrapperNode [2022-11-03 01:50:54,026 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 01:50:54,027 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 01:50:54,027 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 01:50:54,028 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 01:50:54,035 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:54" (1/1) ... [2022-11-03 01:50:54,118 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:54" (1/1) ... [2022-11-03 01:50:54,327 INFO L138 Inliner]: procedures = 236, calls = 1587, calls flagged for inlining = 114, calls inlined = 111, statements flattened = 4121 [2022-11-03 01:50:54,327 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 01:50:54,328 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 01:50:54,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 01:50:54,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 01:50:54,338 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:54" (1/1) ... [2022-11-03 01:50:54,338 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:54" (1/1) ... [2022-11-03 01:50:54,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:54" (1/1) ... [2022-11-03 01:50:54,382 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:54" (1/1) ... [2022-11-03 01:50:54,524 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:54" (1/1) ... [2022-11-03 01:50:54,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:54" (1/1) ... [2022-11-03 01:50:54,586 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:54" (1/1) ... [2022-11-03 01:50:54,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:54" (1/1) ... [2022-11-03 01:50:54,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 01:50:54,639 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 01:50:54,640 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 01:50:54,640 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 01:50:54,641 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:54" (1/1) ... [2022-11-03 01:50:54,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 01:50:54,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:50:54,674 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 01:50:54,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 01:50:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_shutdown_3 [2022-11-03 01:50:54,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_shutdown_3 [2022-11-03 01:50:54,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 01:50:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 01:50:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_regions [2022-11-03 01:50:54,721 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_regions [2022-11-03 01:50:54,721 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 01:50:54,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 01:50:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 01:50:54,722 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 01:50:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2022-11-03 01:50:54,722 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2022-11-03 01:50:54,722 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_set_filter_mode [2022-11-03 01:50:54,722 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_set_filter_mode [2022-11-03 01:50:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-03 01:50:54,723 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-03 01:50:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_off [2022-11-03 01:50:54,723 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_off [2022-11-03 01:50:54,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-03 01:50:54,723 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-03 01:50:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 01:50:54,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 01:50:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_resume [2022-11-03 01:50:54,724 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_resume [2022-11-03 01:50:54,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 01:50:54,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 01:50:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_write_1bit [2022-11-03 01:50:54,725 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_write_1bit [2022-11-03 01:50:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2022-11-03 01:50:54,725 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2022-11-03 01:50:54,725 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_ok [2022-11-03 01:50:54,726 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_ok [2022-11-03 01:50:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 01:50:54,726 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 01:50:54,726 INFO L130 BoogieDeclarations]: Found specification of procedure netif_carrier_on [2022-11-03 01:50:54,726 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_carrier_on [2022-11-03 01:50:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2022-11-03 01:50:54,727 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2022-11-03 01:50:54,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 01:50:54,727 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 01:50:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 01:50:54,728 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 01:50:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2022-11-03 01:50:54,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2022-11-03 01:50:54,728 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 01:50:54,729 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 01:50:54,729 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2022-11-03 01:50:54,729 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2022-11-03 01:50:54,730 INFO L130 BoogieDeclarations]: Found specification of procedure pci_alloc_consistent [2022-11-03 01:50:54,731 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_alloc_consistent [2022-11-03 01:50:54,731 INFO L130 BoogieDeclarations]: Found specification of procedure send_filter_frame [2022-11-03 01:50:54,732 INFO L138 BoogieDeclarations]: Found implementation of procedure send_filter_frame [2022-11-03 01:50:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_reuse_skb [2022-11-03 01:50:54,732 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_reuse_skb [2022-11-03 01:50:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure dev_trans_start [2022-11-03 01:50:54,732 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_trans_start [2022-11-03 01:50:54,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 01:50:54,733 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2022-11-03 01:50:54,734 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2022-11-03 01:50:54,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 01:50:54,735 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 01:50:54,735 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 01:50:54,735 INFO L130 BoogieDeclarations]: Found specification of procedure add_timer [2022-11-03 01:50:54,735 INFO L138 BoogieDeclarations]: Found implementation of procedure add_timer [2022-11-03 01:50:54,735 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2022-11-03 01:50:54,735 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2022-11-03 01:50:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2022-11-03 01:50:54,736 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2022-11-03 01:50:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2022-11-03 01:50:54,736 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2022-11-03 01:50:54,736 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 01:50:54,737 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 01:50:54,737 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_wake [2022-11-03 01:50:54,738 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_wake [2022-11-03 01:50:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_read_1bit [2022-11-03 01:50:54,738 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_read_1bit [2022-11-03 01:50:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 01:50:54,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 01:50:54,739 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_init_dm910x [2022-11-03 01:50:54,739 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_init_dm910x [2022-11-03 01:50:54,739 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2022-11-03 01:50:54,739 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2022-11-03 01:50:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 01:50:54,740 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 01:50:54,740 INFO L130 BoogieDeclarations]: Found specification of procedure poll_dmfe [2022-11-03 01:50:54,741 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_dmfe [2022-11-03 01:50:54,741 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_write [2022-11-03 01:50:54,741 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_write [2022-11-03 01:50:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 01:50:54,742 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 01:50:54,742 INFO L130 BoogieDeclarations]: Found specification of procedure __dev_kfree_skb_any [2022-11-03 01:50:54,742 INFO L138 BoogieDeclarations]: Found implementation of procedure __dev_kfree_skb_any [2022-11-03 01:50:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 01:50:54,743 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 01:50:54,743 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 01:50:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure pci_write_config_dword [2022-11-03 01:50:54,744 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_write_config_dword [2022-11-03 01:50:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure skb_copy_from_linear_data [2022-11-03 01:50:54,744 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_copy_from_linear_data [2022-11-03 01:50:54,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 01:50:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_remove_one [2022-11-03 01:50:54,745 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_remove_one [2022-11-03 01:50:54,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 01:50:54,746 INFO L130 BoogieDeclarations]: Found specification of procedure dm9132_id_table [2022-11-03 01:50:54,746 INFO L138 BoogieDeclarations]: Found implementation of procedure dm9132_id_table [2022-11-03 01:50:54,746 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 01:50:54,746 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 01:50:54,746 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 01:50:54,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 01:50:54,747 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 01:50:54,748 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 01:50:54,750 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_interrupt [2022-11-03 01:50:54,751 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_interrupt [2022-11-03 01:50:54,751 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2022-11-03 01:50:54,751 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2022-11-03 01:50:54,752 INFO L130 BoogieDeclarations]: Found specification of procedure update_cr6 [2022-11-03 01:50:54,754 INFO L138 BoogieDeclarations]: Found implementation of procedure update_cr6 [2022-11-03 01:50:54,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 01:50:54,754 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 01:50:54,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 01:50:54,761 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-03 01:50:54,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-03 01:50:54,761 INFO L130 BoogieDeclarations]: Found specification of procedure cal_CRC [2022-11-03 01:50:54,761 INFO L138 BoogieDeclarations]: Found implementation of procedure cal_CRC [2022-11-03 01:50:54,762 INFO L130 BoogieDeclarations]: Found specification of procedure srom_clk_write [2022-11-03 01:50:54,762 INFO L138 BoogieDeclarations]: Found implementation of procedure srom_clk_write [2022-11-03 01:50:54,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 01:50:54,762 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-03 01:50:54,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-03 01:50:54,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 01:50:54,763 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_rx_buffer [2022-11-03 01:50:54,763 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_rx_buffer [2022-11-03 01:50:54,763 INFO L130 BoogieDeclarations]: Found specification of procedure __le32_to_cpup [2022-11-03 01:50:54,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __le32_to_cpup [2022-11-03 01:50:54,763 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 01:50:54,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 01:50:54,763 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 01:50:54,764 INFO L130 BoogieDeclarations]: Found specification of procedure pci_read_config_dword [2022-11-03 01:50:54,764 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_read_config_dword [2022-11-03 01:50:54,764 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-03 01:50:54,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-03 01:50:54,764 INFO L130 BoogieDeclarations]: Found specification of procedure reg_timer_2 [2022-11-03 01:50:54,764 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_timer_2 [2022-11-03 01:50:54,765 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_resume_early_3 [2022-11-03 01:50:54,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_resume_early_3 [2022-11-03 01:50:54,765 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_phy_read [2022-11-03 01:50:54,765 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_phy_read [2022-11-03 01:50:54,765 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2022-11-03 01:50:54,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2022-11-03 01:50:54,766 INFO L130 BoogieDeclarations]: Found specification of procedure dmfe_free_rxbuffer [2022-11-03 01:50:54,766 INFO L138 BoogieDeclarations]: Found implementation of procedure dmfe_free_rxbuffer [2022-11-03 01:50:54,766 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2022-11-03 01:50:54,766 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2022-11-03 01:50:54,766 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2022-11-03 01:50:54,766 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2022-11-03 01:50:54,766 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2022-11-03 01:50:54,767 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2022-11-03 01:50:54,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 01:50:54,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 01:50:54,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 01:50:55,682 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 01:50:55,687 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 01:50:56,104 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 01:50:59,030 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 01:51:00,584 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 01:51:00,584 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 01:51:00,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:51:00 BoogieIcfgContainer [2022-11-03 01:51:00,589 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 01:51:00,591 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 01:51:00,591 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 01:51:00,594 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 01:51:00,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 01:50:51" (1/3) ... [2022-11-03 01:51:00,595 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d6c9d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:51:00, skipping insertion in model container [2022-11-03 01:51:00,595 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 01:50:54" (2/3) ... [2022-11-03 01:51:00,596 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d6c9d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 01:51:00, skipping insertion in model container [2022-11-03 01:51:00,596 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 01:51:00" (3/3) ... [2022-11-03 01:51:00,598 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-43_2a-drivers--net--ethernet--dec--tulip--dmfe.ko-entry_point.cil.out.i [2022-11-03 01:51:00,619 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 01:51:00,619 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 01:51:00,722 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 01:51:00,734 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@48e23b27, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 01:51:00,734 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 01:51:00,743 INFO L276 IsEmpty]: Start isEmpty. Operand has 1004 states, 601 states have (on average 1.3344425956738768) internal successors, (802), 624 states have internal predecessors, (802), 330 states have call successors, (330), 72 states have call predecessors, (330), 71 states have return successors, (323), 317 states have call predecessors, (323), 323 states have call successors, (323) [2022-11-03 01:51:00,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-03 01:51:00,773 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:51:00,774 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-03 01:51:00,775 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:51:00,779 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:51:00,780 INFO L85 PathProgramCache]: Analyzing trace with hash 465057425, now seen corresponding path program 1 times [2022-11-03 01:51:00,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:51:00,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034216590] [2022-11-03 01:51:00,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:00,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:51:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:01,814 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-03 01:51:01,815 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:51:01,815 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034216590] [2022-11-03 01:51:01,816 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034216590] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:51:01,816 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:51:01,816 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:51:01,818 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148303340] [2022-11-03 01:51:01,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:51:01,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:51:01,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:51:01,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:51:01,859 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:51:01,863 INFO L87 Difference]: Start difference. First operand has 1004 states, 601 states have (on average 1.3344425956738768) internal successors, (802), 624 states have internal predecessors, (802), 330 states have call successors, (330), 72 states have call predecessors, (330), 71 states have return successors, (323), 317 states have call predecessors, (323), 323 states have call successors, (323) Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-03 01:51:04,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:51:09,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:51:09,266 INFO L93 Difference]: Finished difference Result 2977 states and 4360 transitions. [2022-11-03 01:51:09,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:51:09,269 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 118 [2022-11-03 01:51:09,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:51:09,298 INFO L225 Difference]: With dead ends: 2977 [2022-11-03 01:51:09,298 INFO L226 Difference]: Without dead ends: 1966 [2022-11-03 01:51:09,312 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:51:09,315 INFO L413 NwaCegarLoop]: 1646 mSDtfsCounter, 1431 mSDsluCounter, 5140 mSDsCounter, 0 mSdLazyCounter, 870 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1435 SdHoareTripleChecker+Valid, 6163 SdHoareTripleChecker+Invalid, 873 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 870 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:51:09,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1435 Valid, 6163 Invalid, 873 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 870 Invalid, 0 Unknown, 0 Unchecked, 7.1s Time] [2022-11-03 01:51:09,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1966 states. [2022-11-03 01:51:09,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1966 to 1952. [2022-11-03 01:51:09,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1952 states, 1178 states have (on average 1.3200339558573855) internal successors, (1555), 1211 states have internal predecessors, (1555), 634 states have call successors, (634), 140 states have call predecessors, (634), 139 states have return successors, (633), 616 states have call predecessors, (633), 633 states have call successors, (633) [2022-11-03 01:51:09,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1952 states to 1952 states and 2822 transitions. [2022-11-03 01:51:09,604 INFO L78 Accepts]: Start accepts. Automaton has 1952 states and 2822 transitions. Word has length 118 [2022-11-03 01:51:09,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:51:09,605 INFO L495 AbstractCegarLoop]: Abstraction has 1952 states and 2822 transitions. [2022-11-03 01:51:09,605 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-03 01:51:09,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1952 states and 2822 transitions. [2022-11-03 01:51:09,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2022-11-03 01:51:09,616 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:51:09,616 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-03 01:51:09,617 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 01:51:09,617 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:51:09,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:51:09,618 INFO L85 PathProgramCache]: Analyzing trace with hash -611353479, now seen corresponding path program 1 times [2022-11-03 01:51:09,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:51:09,619 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1194034662] [2022-11-03 01:51:09,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:09,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:51:09,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:10,235 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-03 01:51:10,235 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:51:10,235 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1194034662] [2022-11-03 01:51:10,236 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1194034662] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:51:10,236 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:51:10,236 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:51:10,236 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118743223] [2022-11-03 01:51:10,237 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:51:10,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:51:10,240 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:51:10,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:51:10,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:51:10,242 INFO L87 Difference]: Start difference. First operand 1952 states and 2822 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-03 01:51:15,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:51:15,695 INFO L93 Difference]: Finished difference Result 4100 states and 5894 transitions. [2022-11-03 01:51:15,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:51:15,696 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 119 [2022-11-03 01:51:15,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:51:15,714 INFO L225 Difference]: With dead ends: 4100 [2022-11-03 01:51:15,715 INFO L226 Difference]: Without dead ends: 2935 [2022-11-03 01:51:15,722 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:51:15,723 INFO L413 NwaCegarLoop]: 1659 mSDtfsCounter, 1405 mSDsluCounter, 5142 mSDsCounter, 0 mSdLazyCounter, 865 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1409 SdHoareTripleChecker+Valid, 6180 SdHoareTripleChecker+Invalid, 868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2022-11-03 01:51:15,723 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1409 Valid, 6180 Invalid, 868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 865 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2022-11-03 01:51:15,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2935 states. [2022-11-03 01:51:15,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2935 to 2916. [2022-11-03 01:51:15,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2916 states, 1763 states have (on average 1.3204764605785593) internal successors, (2328), 1810 states have internal predecessors, (2328), 944 states have call successors, (944), 209 states have call predecessors, (944), 208 states have return successors, (943), 920 states have call predecessors, (943), 943 states have call successors, (943) [2022-11-03 01:51:15,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2916 states to 2916 states and 4215 transitions. [2022-11-03 01:51:15,968 INFO L78 Accepts]: Start accepts. Automaton has 2916 states and 4215 transitions. Word has length 119 [2022-11-03 01:51:15,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:51:15,970 INFO L495 AbstractCegarLoop]: Abstraction has 2916 states and 4215 transitions. [2022-11-03 01:51:15,970 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 4 states have internal predecessors, (48), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-03 01:51:15,970 INFO L276 IsEmpty]: Start isEmpty. Operand 2916 states and 4215 transitions. [2022-11-03 01:51:15,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-11-03 01:51:15,981 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:51:15,981 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-03 01:51:15,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 01:51:15,982 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:51:15,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:51:15,992 INFO L85 PathProgramCache]: Analyzing trace with hash -722285036, now seen corresponding path program 1 times [2022-11-03 01:51:15,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:51:15,992 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253665493] [2022-11-03 01:51:15,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:15,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:51:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:16,430 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-03 01:51:16,430 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:51:16,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253665493] [2022-11-03 01:51:16,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253665493] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:51:16,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:51:16,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:51:16,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847376326] [2022-11-03 01:51:16,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:51:16,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:51:16,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:51:16,434 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:51:16,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:51:16,434 INFO L87 Difference]: Start difference. First operand 2916 states and 4215 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-03 01:51:21,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:51:21,333 INFO L93 Difference]: Finished difference Result 5069 states and 7289 transitions. [2022-11-03 01:51:21,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:51:21,334 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 120 [2022-11-03 01:51:21,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:51:21,353 INFO L225 Difference]: With dead ends: 5069 [2022-11-03 01:51:21,353 INFO L226 Difference]: Without dead ends: 2939 [2022-11-03 01:51:21,363 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:51:21,369 INFO L413 NwaCegarLoop]: 1659 mSDtfsCounter, 1403 mSDsluCounter, 5142 mSDsCounter, 0 mSdLazyCounter, 865 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1407 SdHoareTripleChecker+Valid, 6180 SdHoareTripleChecker+Invalid, 868 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2022-11-03 01:51:21,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1407 Valid, 6180 Invalid, 868 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 865 Invalid, 0 Unknown, 0 Unchecked, 4.7s Time] [2022-11-03 01:51:21,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2939 states. [2022-11-03 01:51:21,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2939 to 2920. [2022-11-03 01:51:21,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2920 states, 1767 states have (on average 1.3197509903791738) internal successors, (2332), 1813 states have internal predecessors, (2332), 943 states have call successors, (943), 210 states have call predecessors, (943), 209 states have return successors, (942), 920 states have call predecessors, (942), 942 states have call successors, (942) [2022-11-03 01:51:21,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2920 states to 2920 states and 4217 transitions. [2022-11-03 01:51:21,592 INFO L78 Accepts]: Start accepts. Automaton has 2920 states and 4217 transitions. Word has length 120 [2022-11-03 01:51:21,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:51:21,594 INFO L495 AbstractCegarLoop]: Abstraction has 2920 states and 4217 transitions. [2022-11-03 01:51:21,594 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-03 01:51:21,594 INFO L276 IsEmpty]: Start isEmpty. Operand 2920 states and 4217 transitions. [2022-11-03 01:51:21,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-11-03 01:51:21,603 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:51:21,603 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:51:21,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 01:51:21,604 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:51:21,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:51:21,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1188502007, now seen corresponding path program 1 times [2022-11-03 01:51:21,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:51:21,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953034922] [2022-11-03 01:51:21,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:21,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:51:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:21,839 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2022-11-03 01:51:21,839 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:51:21,840 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953034922] [2022-11-03 01:51:21,840 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953034922] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:51:21,840 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:51:21,840 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 01:51:21,840 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823438014] [2022-11-03 01:51:21,841 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:51:21,841 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 01:51:21,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:51:21,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 01:51:21,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:51:21,843 INFO L87 Difference]: Start difference. First operand 2920 states and 4217 transitions. Second operand has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 01:51:25,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:51:25,130 INFO L93 Difference]: Finished difference Result 8277 states and 11921 transitions. [2022-11-03 01:51:25,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 01:51:25,131 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) Word has length 127 [2022-11-03 01:51:25,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:51:25,167 INFO L225 Difference]: With dead ends: 8277 [2022-11-03 01:51:25,168 INFO L226 Difference]: Without dead ends: 5374 [2022-11-03 01:51:25,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 01:51:25,189 INFO L413 NwaCegarLoop]: 1526 mSDtfsCounter, 1194 mSDsluCounter, 1335 mSDsCounter, 0 mSdLazyCounter, 440 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1194 SdHoareTripleChecker+Valid, 2678 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 440 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:51:25,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1194 Valid, 2678 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 440 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-03 01:51:25,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5374 states. [2022-11-03 01:51:25,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5374 to 5365. [2022-11-03 01:51:25,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5365 states, 3248 states have (on average 1.313423645320197) internal successors, (4266), 3326 states have internal predecessors, (4266), 1718 states have call successors, (1718), 399 states have call predecessors, (1718), 398 states have return successors, (1729), 1681 states have call predecessors, (1729), 1717 states have call successors, (1729) [2022-11-03 01:51:25,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5365 states to 5365 states and 7713 transitions. [2022-11-03 01:51:25,594 INFO L78 Accepts]: Start accepts. Automaton has 5365 states and 7713 transitions. Word has length 127 [2022-11-03 01:51:25,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:51:25,595 INFO L495 AbstractCegarLoop]: Abstraction has 5365 states and 7713 transitions. [2022-11-03 01:51:25,595 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 2 states have call successors, (22), 2 states have call predecessors, (22), 1 states have return successors, (16), 2 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 01:51:25,596 INFO L276 IsEmpty]: Start isEmpty. Operand 5365 states and 7713 transitions. [2022-11-03 01:51:25,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-11-03 01:51:25,599 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:51:25,600 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2022-11-03 01:51:25,600 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 01:51:25,600 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:51:25,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:51:25,601 INFO L85 PathProgramCache]: Analyzing trace with hash -968127908, now seen corresponding path program 1 times [2022-11-03 01:51:25,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:51:25,601 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790831014] [2022-11-03 01:51:25,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:25,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:51:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:25,956 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-03 01:51:25,956 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:51:25,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1790831014] [2022-11-03 01:51:25,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1790831014] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:51:25,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 01:51:25,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 01:51:25,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789682775] [2022-11-03 01:51:25,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:51:25,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 01:51:25,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:51:25,958 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 01:51:25,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 01:51:25,959 INFO L87 Difference]: Start difference. First operand 5365 states and 7713 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-03 01:51:31,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:51:31,177 INFO L93 Difference]: Finished difference Result 9236 states and 13207 transitions. [2022-11-03 01:51:31,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 01:51:31,177 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 121 [2022-11-03 01:51:31,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:51:31,210 INFO L225 Difference]: With dead ends: 9236 [2022-11-03 01:51:31,210 INFO L226 Difference]: Without dead ends: 5276 [2022-11-03 01:51:31,231 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 01:51:31,232 INFO L413 NwaCegarLoop]: 1547 mSDtfsCounter, 1401 mSDsluCounter, 4870 mSDsCounter, 0 mSdLazyCounter, 793 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1405 SdHoareTripleChecker+Valid, 5844 SdHoareTripleChecker+Invalid, 796 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2022-11-03 01:51:31,233 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1405 Valid, 5844 Invalid, 796 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 793 Invalid, 0 Unknown, 0 Unchecked, 4.9s Time] [2022-11-03 01:51:31,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5276 states. [2022-11-03 01:51:31,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5276 to 5248. [2022-11-03 01:51:31,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5248 states, 3167 states have (on average 1.311651405115251) internal successors, (4154), 3241 states have internal predecessors, (4154), 1686 states have call successors, (1686), 395 states have call predecessors, (1686), 394 states have return successors, (1697), 1651 states have call predecessors, (1697), 1685 states have call successors, (1697) [2022-11-03 01:51:31,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5248 states to 5248 states and 7537 transitions. [2022-11-03 01:51:31,680 INFO L78 Accepts]: Start accepts. Automaton has 5248 states and 7537 transitions. Word has length 121 [2022-11-03 01:51:31,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:51:31,681 INFO L495 AbstractCegarLoop]: Abstraction has 5248 states and 7537 transitions. [2022-11-03 01:51:31,682 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 3 states have call successors, (21), 3 states have call predecessors, (21), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2022-11-03 01:51:31,682 INFO L276 IsEmpty]: Start isEmpty. Operand 5248 states and 7537 transitions. [2022-11-03 01:51:31,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-03 01:51:31,687 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:51:31,688 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:51:31,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 01:51:31,688 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:51:31,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:51:31,689 INFO L85 PathProgramCache]: Analyzing trace with hash 2093675889, now seen corresponding path program 1 times [2022-11-03 01:51:31,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:51:31,691 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155333406] [2022-11-03 01:51:31,691 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:31,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:51:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:32,245 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-11-03 01:51:32,245 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:51:32,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155333406] [2022-11-03 01:51:32,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155333406] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:51:32,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692635834] [2022-11-03 01:51:32,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:32,246 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:51:32,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:51:32,253 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:51:32,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 01:51:33,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:33,246 INFO L263 TraceCheckSpWp]: Trace formula consists of 2301 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 01:51:33,256 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:51:33,377 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-03 01:51:33,378 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:51:33,378 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [692635834] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:51:33,378 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 01:51:33,378 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-11-03 01:51:33,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022837682] [2022-11-03 01:51:33,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:51:33,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 01:51:33,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:51:33,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 01:51:33,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-03 01:51:33,380 INFO L87 Difference]: Start difference. First operand 5248 states and 7537 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 01:51:41,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:51:41,676 INFO L93 Difference]: Finished difference Result 12347 states and 17725 transitions. [2022-11-03 01:51:41,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 01:51:41,677 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 131 [2022-11-03 01:51:41,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:51:41,748 INFO L225 Difference]: With dead ends: 12347 [2022-11-03 01:51:41,748 INFO L226 Difference]: Without dead ends: 8759 [2022-11-03 01:51:41,769 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2022-11-03 01:51:41,770 INFO L413 NwaCegarLoop]: 1684 mSDtfsCounter, 1435 mSDsluCounter, 9026 mSDsCounter, 0 mSdLazyCounter, 1373 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1439 SdHoareTripleChecker+Valid, 9629 SdHoareTripleChecker+Invalid, 1375 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.8s IncrementalHoareTripleChecker+Time [2022-11-03 01:51:41,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1439 Valid, 9629 Invalid, 1375 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1373 Invalid, 0 Unknown, 0 Unchecked, 7.8s Time] [2022-11-03 01:51:41,781 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8759 states. [2022-11-03 01:51:42,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8759 to 8697. [2022-11-03 01:51:42,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8697 states, 5250 states have (on average 1.3127619047619048) internal successors, (6892), 5382 states have internal predecessors, (6892), 2790 states have call successors, (2790), 653 states have call predecessors, (2790), 656 states have return successors, (2819), 2727 states have call predecessors, (2819), 2789 states have call successors, (2819) [2022-11-03 01:51:42,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8697 states to 8697 states and 12501 transitions. [2022-11-03 01:51:42,351 INFO L78 Accepts]: Start accepts. Automaton has 8697 states and 12501 transitions. Word has length 131 [2022-11-03 01:51:42,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:51:42,353 INFO L495 AbstractCegarLoop]: Abstraction has 8697 states and 12501 transitions. [2022-11-03 01:51:42,353 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 01:51:42,353 INFO L276 IsEmpty]: Start isEmpty. Operand 8697 states and 12501 transitions. [2022-11-03 01:51:42,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-11-03 01:51:42,359 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:51:42,359 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:51:42,399 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 01:51:42,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:51:42,573 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:51:42,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:51:42,573 INFO L85 PathProgramCache]: Analyzing trace with hash -75734962, now seen corresponding path program 1 times [2022-11-03 01:51:42,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:51:42,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1935316687] [2022-11-03 01:51:42,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:42,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:51:42,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:43,083 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-03 01:51:43,083 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:51:43,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1935316687] [2022-11-03 01:51:43,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1935316687] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:51:43,084 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460953926] [2022-11-03 01:51:43,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:43,084 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:51:43,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:51:43,085 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:51:43,108 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 01:51:44,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:44,019 INFO L263 TraceCheckSpWp]: Trace formula consists of 2303 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 01:51:44,024 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:51:44,158 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-03 01:51:44,158 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:51:44,158 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [460953926] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:51:44,159 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 01:51:44,159 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-03 01:51:44,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1286080622] [2022-11-03 01:51:44,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:51:44,160 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 01:51:44,160 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:51:44,160 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 01:51:44,160 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-03 01:51:44,161 INFO L87 Difference]: Start difference. First operand 8697 states and 12501 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 01:51:48,571 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:51:52,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:51:52,792 INFO L93 Difference]: Finished difference Result 19267 states and 27673 transitions. [2022-11-03 01:51:52,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 01:51:52,793 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 132 [2022-11-03 01:51:52,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:51:52,840 INFO L225 Difference]: With dead ends: 19267 [2022-11-03 01:51:52,840 INFO L226 Difference]: Without dead ends: 12230 [2022-11-03 01:51:52,876 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-03 01:51:52,877 INFO L413 NwaCegarLoop]: 1697 mSDtfsCounter, 1435 mSDsluCounter, 9074 mSDsCounter, 0 mSdLazyCounter, 1385 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1439 SdHoareTripleChecker+Valid, 9682 SdHoareTripleChecker+Invalid, 1387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.1s IncrementalHoareTripleChecker+Time [2022-11-03 01:51:52,878 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1439 Valid, 9682 Invalid, 1387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1385 Invalid, 0 Unknown, 0 Unchecked, 8.1s Time] [2022-11-03 01:51:52,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12230 states. [2022-11-03 01:51:53,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12230 to 12156. [2022-11-03 01:51:53,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12156 states, 7339 states have (on average 1.3129854203569968) internal successors, (9636), 7535 states have internal predecessors, (9636), 3894 states have call successors, (3894), 911 states have call predecessors, (3894), 922 states have return successors, (3947), 3801 states have call predecessors, (3947), 3893 states have call successors, (3947) [2022-11-03 01:51:53,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12156 states to 12156 states and 17477 transitions. [2022-11-03 01:51:53,790 INFO L78 Accepts]: Start accepts. Automaton has 12156 states and 17477 transitions. Word has length 132 [2022-11-03 01:51:53,791 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:51:53,795 INFO L495 AbstractCegarLoop]: Abstraction has 12156 states and 17477 transitions. [2022-11-03 01:51:53,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 01:51:53,795 INFO L276 IsEmpty]: Start isEmpty. Operand 12156 states and 17477 transitions. [2022-11-03 01:51:53,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-11-03 01:51:53,808 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:51:53,808 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:51:53,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-03 01:51:54,009 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:51:54,009 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:51:54,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:51:54,009 INFO L85 PathProgramCache]: Analyzing trace with hash -1713399208, now seen corresponding path program 1 times [2022-11-03 01:51:54,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:51:54,010 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [447686164] [2022-11-03 01:51:54,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:54,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:51:54,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:54,491 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-03 01:51:54,492 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:51:54,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [447686164] [2022-11-03 01:51:54,492 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [447686164] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:51:54,492 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [134485206] [2022-11-03 01:51:54,492 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:51:54,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:51:54,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:51:54,494 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:51:54,516 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 01:51:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:51:55,500 INFO L263 TraceCheckSpWp]: Trace formula consists of 2305 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 01:51:55,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:51:55,604 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-03 01:51:55,604 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:51:55,604 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [134485206] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:51:55,604 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 01:51:55,605 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-03 01:51:55,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625761452] [2022-11-03 01:51:55,605 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:51:55,606 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 01:51:55,606 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:51:55,606 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 01:51:55,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-03 01:51:55,607 INFO L87 Difference]: Start difference. First operand 12156 states and 17477 transitions. Second operand has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 01:52:00,268 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:03,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:52:03,208 INFO L93 Difference]: Finished difference Result 26181 states and 37617 transitions. [2022-11-03 01:52:03,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 01:52:03,209 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 133 [2022-11-03 01:52:03,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:52:03,282 INFO L225 Difference]: With dead ends: 26181 [2022-11-03 01:52:03,282 INFO L226 Difference]: Without dead ends: 15685 [2022-11-03 01:52:03,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-03 01:52:03,331 INFO L413 NwaCegarLoop]: 1697 mSDtfsCounter, 1435 mSDsluCounter, 9074 mSDsCounter, 0 mSdLazyCounter, 1385 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1439 SdHoareTripleChecker+Valid, 9682 SdHoareTripleChecker+Invalid, 1387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1385 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.0s IncrementalHoareTripleChecker+Time [2022-11-03 01:52:03,331 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1439 Valid, 9682 Invalid, 1387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1385 Invalid, 0 Unknown, 0 Unchecked, 7.0s Time] [2022-11-03 01:52:03,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15685 states. [2022-11-03 01:52:04,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15685 to 12158. [2022-11-03 01:52:04,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12158 states, 7341 states have (on average 1.3129001498433457) internal successors, (9638), 7535 states have internal predecessors, (9638), 3894 states have call successors, (3894), 911 states have call predecessors, (3894), 922 states have return successors, (3947), 3803 states have call predecessors, (3947), 3893 states have call successors, (3947) [2022-11-03 01:52:04,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12158 states to 12158 states and 17479 transitions. [2022-11-03 01:52:04,244 INFO L78 Accepts]: Start accepts. Automaton has 12158 states and 17479 transitions. Word has length 133 [2022-11-03 01:52:04,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:52:04,245 INFO L495 AbstractCegarLoop]: Abstraction has 12158 states and 17479 transitions. [2022-11-03 01:52:04,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.571428571428571) internal successors, (60), 5 states have internal predecessors, (60), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 01:52:04,245 INFO L276 IsEmpty]: Start isEmpty. Operand 12158 states and 17479 transitions. [2022-11-03 01:52:04,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-11-03 01:52:04,253 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:52:04,253 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:52:04,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 01:52:04,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:52:04,467 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:52:04,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:52:04,467 INFO L85 PathProgramCache]: Analyzing trace with hash 248179413, now seen corresponding path program 1 times [2022-11-03 01:52:04,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:52:04,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231946204] [2022-11-03 01:52:04,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:52:04,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:52:04,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:52:05,043 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-03 01:52:05,044 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:52:05,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231946204] [2022-11-03 01:52:05,044 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1231946204] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:52:05,044 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [311423808] [2022-11-03 01:52:05,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:52:05,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:52:05,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:52:05,046 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:52:05,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 01:52:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:52:06,028 INFO L263 TraceCheckSpWp]: Trace formula consists of 2307 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 01:52:06,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:52:06,110 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2022-11-03 01:52:06,111 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 01:52:06,111 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [311423808] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 01:52:06,111 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 01:52:06,111 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-03 01:52:06,112 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [957826599] [2022-11-03 01:52:06,112 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 01:52:06,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 01:52:06,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 01:52:06,113 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 01:52:06,113 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-03 01:52:06,113 INFO L87 Difference]: Start difference. First operand 12158 states and 17479 transitions. Second operand has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 01:52:10,117 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:12,683 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 01:52:15,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 01:52:15,403 INFO L93 Difference]: Finished difference Result 26187 states and 37623 transitions. [2022-11-03 01:52:15,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 01:52:15,404 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) Word has length 134 [2022-11-03 01:52:15,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 01:52:15,561 INFO L225 Difference]: With dead ends: 26187 [2022-11-03 01:52:15,562 INFO L226 Difference]: Without dead ends: 15689 [2022-11-03 01:52:15,605 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-03 01:52:15,608 INFO L413 NwaCegarLoop]: 1700 mSDtfsCounter, 1435 mSDsluCounter, 9086 mSDsCounter, 0 mSdLazyCounter, 1384 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1439 SdHoareTripleChecker+Valid, 9697 SdHoareTripleChecker+Invalid, 1387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1384 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.6s IncrementalHoareTripleChecker+Time [2022-11-03 01:52:15,608 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1439 Valid, 9697 Invalid, 1387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1384 Invalid, 1 Unknown, 0 Unchecked, 8.6s Time] [2022-11-03 01:52:15,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15689 states. [2022-11-03 01:52:16,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15689 to 12160. [2022-11-03 01:52:16,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12160 states, 7343 states have (on average 1.3128149257796542) internal successors, (9640), 7535 states have internal predecessors, (9640), 3894 states have call successors, (3894), 911 states have call predecessors, (3894), 922 states have return successors, (3947), 3805 states have call predecessors, (3947), 3893 states have call successors, (3947) [2022-11-03 01:52:16,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12160 states to 12160 states and 17481 transitions. [2022-11-03 01:52:16,369 INFO L78 Accepts]: Start accepts. Automaton has 12160 states and 17481 transitions. Word has length 134 [2022-11-03 01:52:16,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 01:52:16,370 INFO L495 AbstractCegarLoop]: Abstraction has 12160 states and 17481 transitions. [2022-11-03 01:52:16,370 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.714285714285714) internal successors, (61), 5 states have internal predecessors, (61), 3 states have call successors, (22), 3 states have call predecessors, (22), 3 states have return successors, (16), 3 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-03 01:52:16,370 INFO L276 IsEmpty]: Start isEmpty. Operand 12160 states and 17481 transitions. [2022-11-03 01:52:16,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2022-11-03 01:52:16,380 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 01:52:16,380 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 01:52:16,421 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-03 01:52:16,603 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:52:16,603 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 01:52:16,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 01:52:16,604 INFO L85 PathProgramCache]: Analyzing trace with hash 113997924, now seen corresponding path program 1 times [2022-11-03 01:52:16,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 01:52:16,604 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752055074] [2022-11-03 01:52:16,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:52:16,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 01:52:16,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:52:17,120 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 18 proven. 8 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2022-11-03 01:52:17,120 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 01:52:17,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752055074] [2022-11-03 01:52:17,121 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752055074] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 01:52:17,121 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013224563] [2022-11-03 01:52:17,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 01:52:17,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 01:52:17,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 01:52:17,125 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 01:52:17,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6d7f447a-f267-4e4d-9319-66786fcd0006/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-03 01:52:18,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 01:52:18,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 2374 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 01:52:18,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 01:52:18,387 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 14 proven. 7 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-11-03 01:52:18,387 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 01:52:18,795 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 17 proven. 3 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-11-03 01:52:18,796 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2013224563] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 01:52:18,796 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1331445427] [2022-11-03 01:52:18,816 INFO L159 IcfgInterpreter]: Started Sifa with 86 locations of interest [2022-11-03 01:52:18,816 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 01:52:18,821 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 01:52:18,827 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 01:52:18,828 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 01:52:21,085 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-03 01:52:21,237 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-03 01:52:21,444 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-03 01:52:21,635 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-03 01:52:21,863 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-03 01:52:22,036 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-03 01:52:23,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:52:23,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:52:23,107 INFO L244 Elim1Store]: Index analysis took 575 ms [2022-11-03 01:52:37,560 WARN L234 SmtUtils]: Spent 14.39s on a formula simplification. DAG size of input: 1090 DAG size of output: 630 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 01:52:37,564 INFO L356 Elim1Store]: treesize reduction 2098, result has 33.8 percent of original size [2022-11-03 01:52:37,566 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 91 select indices, 91 select index equivalence classes, 4099 disjoint index pairs (out of 4095 index pairs), introduced 91 new quantified variables, introduced 91 case distinctions, treesize of input 465 treesize of output 1355 [2022-11-03 01:52:39,159 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 26 [2022-11-03 01:52:40,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:52:40,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:52:40,850 INFO L244 Elim1Store]: Index analysis took 1067 ms [2022-11-03 01:53:04,834 WARN L234 SmtUtils]: Spent 23.96s on a formula simplification. DAG size of input: 1455 DAG size of output: 727 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 01:53:04,838 INFO L356 Elim1Store]: treesize reduction 3442, result has 25.5 percent of original size [2022-11-03 01:53:04,840 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 94 select indices, 94 select index equivalence classes, 4190 disjoint index pairs (out of 4371 index pairs), introduced 94 new quantified variables, introduced 273 case distinctions, treesize of input 484 treesize of output 1477 [2022-11-03 01:53:14,047 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-03 01:53:14,055 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-03 01:53:14,062 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-03 01:53:17,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:17,926 INFO L244 Elim1Store]: Index analysis took 328 ms [2022-11-03 01:53:17,951 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 160 select indices, 160 select index equivalence classes, 2258 disjoint index pairs (out of 12720 index pairs), introduced 160 new quantified variables, introduced 0 case distinctions, treesize of input 1311 treesize of output 481 [2022-11-03 01:53:18,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:18,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:18,495 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 93 select indices, 93 select index equivalence classes, 4280 disjoint index pairs (out of 4278 index pairs), introduced 93 new quantified variables, introduced 0 case distinctions, treesize of input 466 treesize of output 280 [2022-11-03 01:53:19,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:19,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:19,039 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 94 select indices, 94 select index equivalence classes, 4371 disjoint index pairs (out of 4371 index pairs), introduced 94 new quantified variables, introduced 0 case distinctions, treesize of input 471 treesize of output 283 [2022-11-03 01:53:29,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,208 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:29,247 INFO L244 Elim1Store]: Index analysis took 193 ms [2022-11-03 01:53:29,267 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 160 select indices, 160 select index equivalence classes, 2258 disjoint index pairs (out of 12720 index pairs), introduced 160 new quantified variables, introduced 0 case distinctions, treesize of input 1311 treesize of output 481 [2022-11-03 01:53:30,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:30,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:30,046 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 93 select indices, 93 select index equivalence classes, 4280 disjoint index pairs (out of 4278 index pairs), introduced 93 new quantified variables, introduced 0 case distinctions, treesize of input 466 treesize of output 280 [2022-11-03 01:53:30,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:30,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 01:53:30,759 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 94 select indices, 94 select index equivalence classes, 4371 disjoint index pairs (out of 4371 index pairs), introduced 94 new quantified variables, introduced 0 case distinctions, treesize of input 471 treesize of output 283 [2022-11-03 01:54:06,448 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 01:54:06,710 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-03 01:54:06,820 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 01:54:08,210 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 01:54:08,235 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 01:54:08,242 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 01:54:34,041 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 01:54:34,225 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 01:54:34,385 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-03 01:54:35,816 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 01:54:35,830 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 01:54:35,840 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 01:55:34,442 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 01:55:34,677 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 01:55:34,819 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-03 01:55:36,443 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 01:55:36,465 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 01:55:36,475 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 01:56:22,625 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 01:56:22,737 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 01:56:23,612 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-03 01:56:24,564 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 01:56:24,568 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 01:56:24,638 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 01:57:32,870 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 01:57:33,552 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 01:57:33,832 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-03 01:57:34,835 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 01:57:34,891 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 01:57:34,911 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 01:58:03,654 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 01:58:03,860 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 01:58:04,742 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-03 01:58:05,557 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 01:58:05,566 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 01:58:05,627 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 01:59:56,460 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_memset with input of size 1421 for LOIs [2022-11-03 02:00:08,924 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 2543 for LOIs [2022-11-03 02:00:17,200 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-03 02:00:24,245 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-03 02:00:34,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:34,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:35,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:35,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:35,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:35,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:35,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:35,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:35,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:35,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:35,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:35,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:35,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:35,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:35,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:35,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:35,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:35,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:35,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:35,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:35,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:35,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:35,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:35,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:35,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:35,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:35,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:35,137 INFO L244 Elim1Store]: Index analysis took 538 ms [2022-11-03 02:00:35,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:35,968 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 93 select indices, 93 select index equivalence classes, 4375 disjoint index pairs (out of 4278 index pairs), introduced 93 new quantified variables, introduced 0 case distinctions, treesize of input 472 treesize of output 1 [2022-11-03 02:00:54,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:54,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:55,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:55,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:55,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:55,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:55,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:55,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:55,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:55,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:55,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:55,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:55,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:55,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:55,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:55,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:55,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:55,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:55,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:55,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:55,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:55,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:55,098 INFO L244 Elim1Store]: Index analysis took 515 ms [2022-11-03 02:00:55,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:00:55,937 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 93 select indices, 93 select index equivalence classes, 4375 disjoint index pairs (out of 4278 index pairs), introduced 93 new quantified variables, introduced 0 case distinctions, treesize of input 472 treesize of output 1 [2022-11-03 02:01:16,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,623 INFO L244 Elim1Store]: Index analysis took 204 ms [2022-11-03 02:01:16,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:01:16,880 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 93 select indices, 93 select index equivalence classes, 4375 disjoint index pairs (out of 4278 index pairs), introduced 93 new quantified variables, introduced 0 case distinctions, treesize of input 472 treesize of output 1 [2022-11-03 02:01:17,024 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 320 for LOIs [2022-11-03 02:01:17,119 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 160 for LOIs [2022-11-03 02:01:17,163 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.C_memset with input of size 1421 for LOIs [2022-11-03 02:01:21,191 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:02:49,439 WARN L234 SmtUtils]: Spent 1.46m on a formula simplification. DAG size of input: 2385 DAG size of output: 2029 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:04:36,913 WARN L234 SmtUtils]: Spent 1.33m on a formula simplification. DAG size of input: 1722 DAG size of output: 1630 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)