./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--libertas--usb8xxx.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--libertas--usb8xxx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW --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 0b2aee7f7e67804021e49e5736bb0f9c1b2e215c216274214a3b77fa62ce19be --- 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-4e7fbc6 [2022-11-23 15:23:55,568 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 15:23:55,570 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 15:23:55,609 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 15:23:55,612 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 15:23:55,616 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 15:23:55,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 15:23:55,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 15:23:55,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 15:23:55,629 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 15:23:55,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 15:23:55,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 15:23:55,633 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 15:23:55,635 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 15:23:55,637 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 15:23:55,638 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 15:23:55,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 15:23:55,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 15:23:55,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 15:23:55,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 15:23:55,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 15:23:55,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 15:23:55,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 15:23:55,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 15:23:55,665 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 15:23:55,666 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 15:23:55,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 15:23:55,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 15:23:55,669 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 15:23:55,671 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 15:23:55,672 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 15:23:55,672 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 15:23:55,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 15:23:55,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 15:23:55,678 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 15:23:55,678 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 15:23:55,679 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 15:23:55,679 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 15:23:55,679 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 15:23:55,681 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 15:23:55,682 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 15:23:55,682 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-23 15:23:55,716 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 15:23:55,716 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 15:23:55,717 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 15:23:55,717 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 15:23:55,718 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-23 15:23:55,718 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-23 15:23:55,719 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-23 15:23:55,719 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-23 15:23:55,719 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-23 15:23:55,719 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-23 15:23:55,720 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-23 15:23:55,720 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-23 15:23:55,721 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-23 15:23:55,721 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-23 15:23:55,721 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-23 15:23:55,721 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-23 15:23:55,721 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-23 15:23:55,722 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-23 15:23:55,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 15:23:55,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 15:23:55,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 15:23:55,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-23 15:23:55,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-23 15:23:55,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-23 15:23:55,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 15:23:55,724 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 15:23:55,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-23 15:23:55,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 15:23:55,725 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-23 15:23:55,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:23:55,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 15:23:55,726 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-23 15:23:55,726 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-23 15:23:55,726 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-23 15:23:55,727 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-23 15:23:55,727 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-23 15:23:55,727 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-23 15:23:55,727 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-23 15:23:55,727 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_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0b2aee7f7e67804021e49e5736bb0f9c1b2e215c216274214a3b77fa62ce19be [2022-11-23 15:23:56,030 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 15:23:56,058 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 15:23:56,061 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 15:23:56,062 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 15:23:56,063 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 15:23:56,064 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/../../sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--libertas--usb8xxx.ko-entry_point.cil.out.i [2022-11-23 15:23:59,115 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 15:23:59,720 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 15:23:59,720 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--libertas--usb8xxx.ko-entry_point.cil.out.i [2022-11-23 15:23:59,782 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/data/60ffe44a5/5988020d992f4db3a7374d5b6bfc3d28/FLAG24decc538 [2022-11-23 15:23:59,801 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/data/60ffe44a5/5988020d992f4db3a7374d5b6bfc3d28 [2022-11-23 15:23:59,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 15:23:59,808 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 15:23:59,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 15:23:59,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 15:23:59,819 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 15:23:59,820 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:23:59" (1/1) ... [2022-11-23 15:23:59,821 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e31bd78 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:23:59, skipping insertion in model container [2022-11-23 15:23:59,822 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:23:59" (1/1) ... [2022-11-23 15:23:59,830 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 15:23:59,959 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 15:24:01,137 WARN L237 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_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--libertas--usb8xxx.ko-entry_point.cil.out.i[182154,182167] [2022-11-23 15:24:01,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:24:01,883 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 15:24:02,063 WARN L237 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_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/sv-benchmarks/c/ldv-linux-3.12-rc1/linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--libertas--usb8xxx.ko-entry_point.cil.out.i[182154,182167] [2022-11-23 15:24:02,328 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 15:24:02,376 INFO L208 MainTranslator]: Completed translation [2022-11-23 15:24:02,376 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:02 WrapperNode [2022-11-23 15:24:02,376 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 15:24:02,378 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 15:24:02,378 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 15:24:02,378 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 15:24:02,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:02" (1/1) ... [2022-11-23 15:24:02,460 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:02" (1/1) ... [2022-11-23 15:24:02,629 INFO L138 Inliner]: procedures = 174, calls = 1356, calls flagged for inlining = 82, calls inlined = 66, statements flattened = 2485 [2022-11-23 15:24:02,629 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 15:24:02,630 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 15:24:02,630 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 15:24:02,631 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 15:24:02,640 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:02" (1/1) ... [2022-11-23 15:24:02,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:02" (1/1) ... [2022-11-23 15:24:02,670 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:02" (1/1) ... [2022-11-23 15:24:02,677 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:02" (1/1) ... [2022-11-23 15:24:02,762 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:02" (1/1) ... [2022-11-23 15:24:02,772 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:02" (1/1) ... [2022-11-23 15:24:02,786 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:02" (1/1) ... [2022-11-23 15:24:02,796 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:02" (1/1) ... [2022-11-23 15:24:02,815 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 15:24:02,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 15:24:02,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 15:24:02,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 15:24:02,818 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:02" (1/1) ... [2022-11-23 15:24:02,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-23 15:24:02,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:24:02,852 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-23 15:24:02,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-23 15:24:02,909 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_reset_device [2022-11-23 15:24:02,909 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_reset_device [2022-11-23 15:24:02,909 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_resume [2022-11-23 15:24:02,910 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_resume [2022-11-23 15:24:02,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-23 15:24:02,910 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-23 15:24:02,910 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-23 15:24:02,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_fill_bulk_urb_12 [2022-11-23 15:24:02,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_fill_bulk_urb_12 [2022-11-23 15:24:02,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-23 15:24:02,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-23 15:24:02,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-23 15:24:02,911 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-23 15:24:02,911 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-23 15:24:02,912 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_xfer_bulk [2022-11-23 15:24:02,912 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_xfer_bulk [2022-11-23 15:24:02,912 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_submit_urb [2022-11-23 15:24:02,912 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_submit_urb [2022-11-23 15:24:02,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2022-11-23 15:24:02,913 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2022-11-23 15:24:02,913 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2022-11-23 15:24:02,913 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2022-11-23 15:24:02,913 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-23 15:24:02,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-23 15:24:02,914 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_alloc_urb [2022-11-23 15:24:02,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_alloc_urb [2022-11-23 15:24:02,915 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_submit_rx_urb_fwload [2022-11-23 15:24:02,915 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_submit_rx_urb_fwload [2022-11-23 15:24:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure usb_kill_urb [2022-11-23 15:24:02,916 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_kill_urb [2022-11-23 15:24:02,916 INFO L130 BoogieDeclarations]: Found specification of procedure activate_suitable_timer_1 [2022-11-23 15:24:02,916 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_suitable_timer_1 [2022-11-23 15:24:02,917 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_submit_rx_urb [2022-11-23 15:24:02,917 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_submit_rx_urb [2022-11-23 15:24:02,917 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_receive_fwload [2022-11-23 15:24:02,917 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_receive_fwload [2022-11-23 15:24:02,917 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-23 15:24:02,918 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-23 15:24:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_send_fw_pkt [2022-11-23 15:24:02,918 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_send_fw_pkt [2022-11-23 15:24:02,918 INFO L130 BoogieDeclarations]: Found specification of procedure __if_usb_submit_rx_urb [2022-11-23 15:24:02,918 INFO L138 BoogieDeclarations]: Found implementation of procedure __if_usb_submit_rx_urb [2022-11-23 15:24:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-23 15:24:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-23 15:24:02,919 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-23 15:24:02,919 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_free [2022-11-23 15:24:02,919 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_free [2022-11-23 15:24:02,920 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-23 15:24:02,920 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-23 15:24:02,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-23 15:24:02,921 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-23 15:24:02,921 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-23 15:24:02,922 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-23 15:24:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-23 15:24:02,922 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop___0 [2022-11-23 15:24:02,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop___0 [2022-11-23 15:24:02,923 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_disconnect [2022-11-23 15:24:02,923 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_disconnect [2022-11-23 15:24:02,923 INFO L130 BoogieDeclarations]: Found specification of procedure usb_tx_block [2022-11-23 15:24:02,924 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_tx_block [2022-11-23 15:24:02,924 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-23 15:24:02,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_timer_1 [2022-11-23 15:24:02,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_timer_1 [2022-11-23 15:24:02,924 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_get_intfdata_9 [2022-11-23 15:24:02,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_get_intfdata_9 [2022-11-23 15:24:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-23 15:24:02,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-23 15:24:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-23 15:24:02,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-23 15:24:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-23 15:24:02,926 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 15:24:02,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2022-11-23 15:24:02,927 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_set_intfdata_8 [2022-11-23 15:24:02,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_set_intfdata_8 [2022-11-23 15:24:02,927 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2022-11-23 15:24:02,928 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2022-11-23 15:24:02,928 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-23 15:24:02,928 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_13 [2022-11-23 15:24:02,928 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_13 [2022-11-23 15:24:02,929 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2022-11-23 15:24:02,929 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2022-11-23 15:24:02,930 INFO L130 BoogieDeclarations]: Found specification of procedure usb_endpoint_num [2022-11-23 15:24:02,930 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_endpoint_num [2022-11-23 15:24:02,930 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_usb_submit_urb_15 [2022-11-23 15:24:02,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_usb_submit_urb_15 [2022-11-23 15:24:02,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-23 15:24:02,930 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-23 15:24:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure kfree_skb [2022-11-23 15:24:02,931 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree_skb [2022-11-23 15:24:02,931 INFO L130 BoogieDeclarations]: Found specification of procedure lbs_remove_card [2022-11-23 15:24:02,931 INFO L138 BoogieDeclarations]: Found implementation of procedure lbs_remove_card [2022-11-23 15:24:02,932 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-23 15:24:02,932 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-23 15:24:02,932 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-23 15:24:02,933 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-23 15:24:02,933 INFO L130 BoogieDeclarations]: Found specification of procedure if_usb_receive [2022-11-23 15:24:02,933 INFO L138 BoogieDeclarations]: Found implementation of procedure if_usb_receive [2022-11-23 15:24:02,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free_urb [2022-11-23 15:24:02,933 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free_urb [2022-11-23 15:24:02,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-23 15:24:02,934 INFO L130 BoogieDeclarations]: Found specification of procedure interface_to_usbdev [2022-11-23 15:24:02,934 INFO L138 BoogieDeclarations]: Found implementation of procedure interface_to_usbdev [2022-11-23 15:24:02,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-23 15:24:02,935 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-23 15:24:02,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-23 15:24:02,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 15:24:02,935 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 15:24:03,633 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 15:24:03,638 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 15:24:03,999 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-23 15:24:04,987 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stop___0FINAL: assume true; [2022-11-23 15:24:06,277 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 15:24:06,733 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 15:24:06,734 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-23 15:24:06,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:24:06 BoogieIcfgContainer [2022-11-23 15:24:06,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 15:24:06,740 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-23 15:24:06,740 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-23 15:24:06,743 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-23 15:24:06,744 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 03:23:59" (1/3) ... [2022-11-23 15:24:06,744 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73f49079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:24:06, skipping insertion in model container [2022-11-23 15:24:06,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:24:02" (2/3) ... [2022-11-23 15:24:06,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73f49079 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 03:24:06, skipping insertion in model container [2022-11-23 15:24:06,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:24:06" (3/3) ... [2022-11-23 15:24:06,746 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-3.12-rc1.tar.xz-144_2a-drivers--net--wireless--libertas--usb8xxx.ko-entry_point.cil.out.i [2022-11-23 15:24:06,767 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-23 15:24:06,767 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-23 15:24:06,832 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-23 15:24:06,838 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;@302090c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-23 15:24:06,839 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-23 15:24:06,846 INFO L276 IsEmpty]: Start isEmpty. Operand has 598 states, 375 states have (on average 1.376) internal successors, (516), 405 states have internal predecessors, (516), 178 states have call successors, (178), 45 states have call predecessors, (178), 43 states have return successors, (172), 166 states have call predecessors, (172), 172 states have call successors, (172) [2022-11-23 15:24:06,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-23 15:24:06,856 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:24:06,857 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:24:06,857 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:24:06,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:24:06,863 INFO L85 PathProgramCache]: Analyzing trace with hash -200661438, now seen corresponding path program 1 times [2022-11-23 15:24:06,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:24:06,874 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [135565920] [2022-11-23 15:24:06,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:24:06,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:24:07,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:24:07,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 15:24:07,579 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:24:07,579 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [135565920] [2022-11-23 15:24:07,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [135565920] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:24:07,580 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:24:07,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:24:07,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1136327868] [2022-11-23 15:24:07,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:24:07,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:24:07,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:24:07,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:24:07,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:24:07,618 INFO L87 Difference]: Start difference. First operand has 598 states, 375 states have (on average 1.376) internal successors, (516), 405 states have internal predecessors, (516), 178 states have call successors, (178), 45 states have call predecessors, (178), 43 states have return successors, (172), 166 states have call predecessors, (172), 172 states have call successors, (172) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:24:08,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:24:08,524 INFO L93 Difference]: Finished difference Result 1758 states and 2549 transitions. [2022-11-23 15:24:08,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:24:08,527 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2022-11-23 15:24:08,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:24:08,547 INFO L225 Difference]: With dead ends: 1758 [2022-11-23 15:24:08,548 INFO L226 Difference]: Without dead ends: 1146 [2022-11-23 15:24:08,556 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 [2022-11-23 15:24:08,559 INFO L413 NwaCegarLoop]: 943 mSDtfsCounter, 821 mSDsluCounter, 769 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 821 SdHoareTripleChecker+Valid, 1712 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:24:08,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [821 Valid, 1712 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-23 15:24:08,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1146 states. [2022-11-23 15:24:08,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1146 to 1146. [2022-11-23 15:24:08,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1146 states, 726 states have (on average 1.3484848484848484) internal successors, (979), 766 states have internal predecessors, (979), 336 states have call successors, (336), 84 states have call predecessors, (336), 83 states have return successors, (331), 319 states have call predecessors, (331), 331 states have call successors, (331) [2022-11-23 15:24:08,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 1146 states and 1646 transitions. [2022-11-23 15:24:08,702 INFO L78 Accepts]: Start accepts. Automaton has 1146 states and 1646 transitions. Word has length 22 [2022-11-23 15:24:08,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:24:08,703 INFO L495 AbstractCegarLoop]: Abstraction has 1146 states and 1646 transitions. [2022-11-23 15:24:08,703 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-23 15:24:08,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1646 transitions. [2022-11-23 15:24:08,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-23 15:24:08,707 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:24:08,707 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-23 15:24:08,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-23 15:24:08,707 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:24:08,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:24:08,708 INFO L85 PathProgramCache]: Analyzing trace with hash -1449986404, now seen corresponding path program 1 times [2022-11-23 15:24:08,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:24:08,709 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102250103] [2022-11-23 15:24:08,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:24:08,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:24:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:24:09,288 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 15:24:09,288 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:24:09,288 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102250103] [2022-11-23 15:24:09,288 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102250103] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:24:09,289 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:24:09,289 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:24:09,289 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1939068896] [2022-11-23 15:24:09,289 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:24:09,290 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:24:09,290 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:24:09,291 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:24:09,291 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:24:09,291 INFO L87 Difference]: Start difference. First operand 1146 states and 1646 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 15:24:10,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:24:10,144 INFO L93 Difference]: Finished difference Result 2172 states and 3116 transitions. [2022-11-23 15:24:10,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:24:10,145 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 30 [2022-11-23 15:24:10,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:24:10,158 INFO L225 Difference]: With dead ends: 2172 [2022-11-23 15:24:10,158 INFO L226 Difference]: Without dead ends: 2169 [2022-11-23 15:24:10,161 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 [2022-11-23 15:24:10,162 INFO L413 NwaCegarLoop]: 901 mSDtfsCounter, 739 mSDsluCounter, 748 mSDsCounter, 0 mSdLazyCounter, 169 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 739 SdHoareTripleChecker+Valid, 1649 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 169 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:24:10,162 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [739 Valid, 1649 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 169 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-23 15:24:10,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2169 states. [2022-11-23 15:24:10,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2169 to 2157. [2022-11-23 15:24:10,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2157 states, 1370 states have (on average 1.3489051094890512) internal successors, (1848), 1446 states have internal predecessors, (1848), 628 states have call successors, (628), 161 states have call predecessors, (628), 158 states have return successors, (623), 595 states have call predecessors, (623), 623 states have call successors, (623) [2022-11-23 15:24:10,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 2157 states and 3099 transitions. [2022-11-23 15:24:10,336 INFO L78 Accepts]: Start accepts. Automaton has 2157 states and 3099 transitions. Word has length 30 [2022-11-23 15:24:10,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:24:10,337 INFO L495 AbstractCegarLoop]: Abstraction has 2157 states and 3099 transitions. [2022-11-23 15:24:10,338 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 15:24:10,338 INFO L276 IsEmpty]: Start isEmpty. Operand 2157 states and 3099 transitions. [2022-11-23 15:24:10,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-23 15:24:10,344 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:24:10,345 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-23 15:24:10,345 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-23 15:24:10,345 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:24:10,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:24:10,347 INFO L85 PathProgramCache]: Analyzing trace with hash -2000308952, now seen corresponding path program 1 times [2022-11-23 15:24:10,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:24:10,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [116782254] [2022-11-23 15:24:10,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:24:10,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:24:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:24:10,825 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 15:24:10,826 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:24:10,826 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [116782254] [2022-11-23 15:24:10,826 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [116782254] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:24:10,826 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:24:10,826 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:24:10,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186464221] [2022-11-23 15:24:10,827 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:24:10,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:24:10,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:24:10,828 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:24:10,828 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:24:10,829 INFO L87 Difference]: Start difference. First operand 2157 states and 3099 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 15:24:11,647 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:24:11,647 INFO L93 Difference]: Finished difference Result 4410 states and 6340 transitions. [2022-11-23 15:24:11,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:24:11,648 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2022-11-23 15:24:11,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:24:11,668 INFO L225 Difference]: With dead ends: 4410 [2022-11-23 15:24:11,669 INFO L226 Difference]: Without dead ends: 3278 [2022-11-23 15:24:11,674 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 [2022-11-23 15:24:11,676 INFO L413 NwaCegarLoop]: 931 mSDtfsCounter, 810 mSDsluCounter, 748 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 810 SdHoareTripleChecker+Valid, 1679 SdHoareTripleChecker+Invalid, 170 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:24:11,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [810 Valid, 1679 Invalid, 170 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-23 15:24:11,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3278 states. [2022-11-23 15:24:11,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3278 to 3267. [2022-11-23 15:24:11,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3267 states, 2075 states have (on average 1.3479518072289156) internal successors, (2797), 2187 states have internal predecessors, (2797), 952 states have call successors, (952), 242 states have call predecessors, (952), 239 states have return successors, (947), 905 states have call predecessors, (947), 947 states have call successors, (947) [2022-11-23 15:24:11,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3267 states to 3267 states and 4696 transitions. [2022-11-23 15:24:11,914 INFO L78 Accepts]: Start accepts. Automaton has 3267 states and 4696 transitions. Word has length 31 [2022-11-23 15:24:11,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:24:11,915 INFO L495 AbstractCegarLoop]: Abstraction has 3267 states and 4696 transitions. [2022-11-23 15:24:11,915 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 15:24:11,915 INFO L276 IsEmpty]: Start isEmpty. Operand 3267 states and 4696 transitions. [2022-11-23 15:24:11,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-11-23 15:24:11,917 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:24:11,917 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-23 15:24:11,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-23 15:24:11,917 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:24:11,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:24:11,918 INFO L85 PathProgramCache]: Analyzing trace with hash -1880433889, now seen corresponding path program 1 times [2022-11-23 15:24:11,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:24:11,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764885291] [2022-11-23 15:24:11,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:24:11,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:24:11,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:24:12,072 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 15:24:12,072 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:24:12,073 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764885291] [2022-11-23 15:24:12,073 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764885291] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:24:12,073 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:24:12,073 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:24:12,073 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988915666] [2022-11-23 15:24:12,073 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:24:12,074 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:24:12,074 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:24:12,074 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:24:12,075 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:24:12,075 INFO L87 Difference]: Start difference. First operand 3267 states and 4696 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 15:24:12,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:24:12,969 INFO L93 Difference]: Finished difference Result 5369 states and 7806 transitions. [2022-11-23 15:24:12,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:24:12,970 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 32 [2022-11-23 15:24:12,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:24:12,998 INFO L225 Difference]: With dead ends: 5369 [2022-11-23 15:24:12,998 INFO L226 Difference]: Without dead ends: 5366 [2022-11-23 15:24:13,002 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 [2022-11-23 15:24:13,003 INFO L413 NwaCegarLoop]: 931 mSDtfsCounter, 796 mSDsluCounter, 769 mSDsCounter, 0 mSdLazyCounter, 165 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 796 SdHoareTripleChecker+Valid, 1700 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 165 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:24:13,003 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [796 Valid, 1700 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 165 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-23 15:24:13,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5366 states. [2022-11-23 15:24:13,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5366 to 5357. [2022-11-23 15:24:13,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5357 states, 3401 states have (on average 1.3490149955895325) internal successors, (4588), 3593 states have internal predecessors, (4588), 1564 states have call successors, (1564), 400 states have call predecessors, (1564), 391 states have return successors, (1643), 1475 states have call predecessors, (1643), 1559 states have call successors, (1643) [2022-11-23 15:24:13,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5357 states to 5357 states and 7795 transitions. [2022-11-23 15:24:13,433 INFO L78 Accepts]: Start accepts. Automaton has 5357 states and 7795 transitions. Word has length 32 [2022-11-23 15:24:13,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:24:13,434 INFO L495 AbstractCegarLoop]: Abstraction has 5357 states and 7795 transitions. [2022-11-23 15:24:13,434 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 15:24:13,434 INFO L276 IsEmpty]: Start isEmpty. Operand 5357 states and 7795 transitions. [2022-11-23 15:24:13,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-23 15:24:13,435 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:24:13,435 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-23 15:24:13,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-23 15:24:13,436 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:24:13,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:24:13,436 INFO L85 PathProgramCache]: Analyzing trace with hash 1835697931, now seen corresponding path program 1 times [2022-11-23 15:24:13,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:24:13,437 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318404302] [2022-11-23 15:24:13,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:24:13,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:24:13,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:24:13,595 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 15:24:13,596 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:24:13,596 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318404302] [2022-11-23 15:24:13,596 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318404302] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:24:13,596 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:24:13,597 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:24:13,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582298645] [2022-11-23 15:24:13,597 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:24:13,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:24:13,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:24:13,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:24:13,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:24:13,598 INFO L87 Difference]: Start difference. First operand 5357 states and 7795 transitions. Second operand has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 15:24:14,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:24:14,155 INFO L93 Difference]: Finished difference Result 5359 states and 7796 transitions. [2022-11-23 15:24:14,155 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:24:14,156 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 33 [2022-11-23 15:24:14,156 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:24:14,186 INFO L225 Difference]: With dead ends: 5359 [2022-11-23 15:24:14,186 INFO L226 Difference]: Without dead ends: 5356 [2022-11-23 15:24:14,191 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 [2022-11-23 15:24:14,191 INFO L413 NwaCegarLoop]: 754 mSDtfsCounter, 819 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 819 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:24:14,192 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [819 Valid, 754 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 15:24:14,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5356 states. [2022-11-23 15:24:14,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5356 to 5356. [2022-11-23 15:24:14,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5356 states, 3401 states have (on average 1.3487209644222287) internal successors, (4587), 3592 states have internal predecessors, (4587), 1563 states have call successors, (1563), 400 states have call predecessors, (1563), 391 states have return successors, (1643), 1475 states have call predecessors, (1643), 1559 states have call successors, (1643) [2022-11-23 15:24:14,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5356 states to 5356 states and 7793 transitions. [2022-11-23 15:24:14,625 INFO L78 Accepts]: Start accepts. Automaton has 5356 states and 7793 transitions. Word has length 33 [2022-11-23 15:24:14,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:24:14,626 INFO L495 AbstractCegarLoop]: Abstraction has 5356 states and 7793 transitions. [2022-11-23 15:24:14,626 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 3 states have internal predecessors, (23), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 15:24:14,626 INFO L276 IsEmpty]: Start isEmpty. Operand 5356 states and 7793 transitions. [2022-11-23 15:24:14,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-23 15:24:14,628 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:24:14,628 INFO L195 NwaCegarLoop]: trace histogram [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] [2022-11-23 15:24:14,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-23 15:24:14,628 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:24:14,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:24:14,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1071672226, now seen corresponding path program 1 times [2022-11-23 15:24:14,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:24:14,629 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795087822] [2022-11-23 15:24:14,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:24:14,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:24:14,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:24:14,784 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-11-23 15:24:14,784 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:24:14,785 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795087822] [2022-11-23 15:24:14,785 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1795087822] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:24:14,785 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:24:14,786 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:24:14,786 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805656463] [2022-11-23 15:24:14,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:24:14,787 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:24:14,787 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:24:14,787 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:24:14,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:24:14,788 INFO L87 Difference]: Start difference. First operand 5356 states and 7793 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 15:24:15,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:24:15,546 INFO L93 Difference]: Finished difference Result 5358 states and 7794 transitions. [2022-11-23 15:24:15,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:24:15,547 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 34 [2022-11-23 15:24:15,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:24:15,578 INFO L225 Difference]: With dead ends: 5358 [2022-11-23 15:24:15,578 INFO L226 Difference]: Without dead ends: 5349 [2022-11-23 15:24:15,583 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 [2022-11-23 15:24:15,586 INFO L413 NwaCegarLoop]: 753 mSDtfsCounter, 816 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 816 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:24:15,587 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [816 Valid, 753 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-23 15:24:15,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5349 states. [2022-11-23 15:24:15,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5349 to 5349. [2022-11-23 15:24:16,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5349 states, 3395 states have (on average 1.348159057437408) internal successors, (4577), 3585 states have internal predecessors, (4577), 1562 states have call successors, (1562), 400 states have call predecessors, (1562), 391 states have return successors, (1643), 1475 states have call predecessors, (1643), 1559 states have call successors, (1643) [2022-11-23 15:24:16,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5349 states to 5349 states and 7782 transitions. [2022-11-23 15:24:16,032 INFO L78 Accepts]: Start accepts. Automaton has 5349 states and 7782 transitions. Word has length 34 [2022-11-23 15:24:16,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:24:16,032 INFO L495 AbstractCegarLoop]: Abstraction has 5349 states and 7782 transitions. [2022-11-23 15:24:16,033 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2022-11-23 15:24:16,033 INFO L276 IsEmpty]: Start isEmpty. Operand 5349 states and 7782 transitions. [2022-11-23 15:24:16,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-11-23 15:24:16,040 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:24:16,040 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:24:16,040 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-23 15:24:16,041 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:24:16,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:24:16,041 INFO L85 PathProgramCache]: Analyzing trace with hash -995352358, now seen corresponding path program 1 times [2022-11-23 15:24:16,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:24:16,042 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897378852] [2022-11-23 15:24:16,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:24:16,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:24:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:24:16,303 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-23 15:24:16,304 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:24:16,304 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897378852] [2022-11-23 15:24:16,304 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897378852] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:24:16,304 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:24:16,304 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:24:16,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187239130] [2022-11-23 15:24:16,305 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:24:16,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:24:16,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:24:16,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:24:16,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:24:16,307 INFO L87 Difference]: Start difference. First operand 5349 states and 7782 transitions. Second operand has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-23 15:24:17,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:24:17,116 INFO L93 Difference]: Finished difference Result 8327 states and 12120 transitions. [2022-11-23 15:24:17,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:24:17,117 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 97 [2022-11-23 15:24:17,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:24:17,133 INFO L225 Difference]: With dead ends: 8327 [2022-11-23 15:24:17,133 INFO L226 Difference]: Without dead ends: 2992 [2022-11-23 15:24:17,150 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 [2022-11-23 15:24:17,151 INFO L413 NwaCegarLoop]: 759 mSDtfsCounter, 84 mSDsluCounter, 729 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 1488 SdHoareTripleChecker+Invalid, 181 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:24:17,151 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 1488 Invalid, 181 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-23 15:24:17,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2992 states. [2022-11-23 15:24:17,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2992 to 2976. [2022-11-23 15:24:17,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2976 states, 1927 states have (on average 1.371043072132849) internal successors, (2642), 2047 states have internal predecessors, (2642), 825 states have call successors, (825), 228 states have call predecessors, (825), 223 states have return successors, (864), 762 states have call predecessors, (864), 822 states have call successors, (864) [2022-11-23 15:24:17,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2976 states to 2976 states and 4331 transitions. [2022-11-23 15:24:17,404 INFO L78 Accepts]: Start accepts. Automaton has 2976 states and 4331 transitions. Word has length 97 [2022-11-23 15:24:17,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:24:17,405 INFO L495 AbstractCegarLoop]: Abstraction has 2976 states and 4331 transitions. [2022-11-23 15:24:17,405 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.0) internal successors, (63), 3 states have internal predecessors, (63), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2022-11-23 15:24:17,405 INFO L276 IsEmpty]: Start isEmpty. Operand 2976 states and 4331 transitions. [2022-11-23 15:24:17,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2022-11-23 15:24:17,409 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:24:17,409 INFO L195 NwaCegarLoop]: trace histogram [3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:24:17,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-23 15:24:17,409 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:24:17,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:24:17,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1690004262, now seen corresponding path program 1 times [2022-11-23 15:24:17,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:24:17,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1085254675] [2022-11-23 15:24:17,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:24:17,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:24:17,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:24:17,710 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-23 15:24:17,710 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:24:17,711 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1085254675] [2022-11-23 15:24:17,711 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1085254675] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:24:17,711 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-23 15:24:17,711 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-23 15:24:17,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [589625459] [2022-11-23 15:24:17,712 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:24:17,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:24:17,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:24:17,713 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:24:17,713 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-23 15:24:17,714 INFO L87 Difference]: Start difference. First operand 2976 states and 4331 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-23 15:24:18,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:24:18,590 INFO L93 Difference]: Finished difference Result 7288 states and 10576 transitions. [2022-11-23 15:24:18,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:24:18,591 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) Word has length 103 [2022-11-23 15:24:18,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:24:18,625 INFO L225 Difference]: With dead ends: 7288 [2022-11-23 15:24:18,625 INFO L226 Difference]: Without dead ends: 4370 [2022-11-23 15:24:18,636 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 [2022-11-23 15:24:18,637 INFO L413 NwaCegarLoop]: 1189 mSDtfsCounter, 747 mSDsluCounter, 569 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 747 SdHoareTripleChecker+Valid, 1758 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:24:18,638 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [747 Valid, 1758 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-23 15:24:18,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4370 states. [2022-11-23 15:24:18,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4370 to 4354. [2022-11-23 15:24:18,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4354 states, 2828 states have (on average 1.3645685997171146) internal successors, (3859), 3001 states have internal predecessors, (3859), 1178 states have call successors, (1178), 353 states have call predecessors, (1178), 347 states have return successors, (1234), 1090 states have call predecessors, (1234), 1175 states have call successors, (1234) [2022-11-23 15:24:18,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4354 states to 4354 states and 6271 transitions. [2022-11-23 15:24:18,959 INFO L78 Accepts]: Start accepts. Automaton has 4354 states and 6271 transitions. Word has length 103 [2022-11-23 15:24:18,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:24:18,962 INFO L495 AbstractCegarLoop]: Abstraction has 4354 states and 6271 transitions. [2022-11-23 15:24:18,962 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (14), 3 states have call predecessors, (14), 3 states have call successors, (14) [2022-11-23 15:24:18,962 INFO L276 IsEmpty]: Start isEmpty. Operand 4354 states and 6271 transitions. [2022-11-23 15:24:18,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2022-11-23 15:24:18,972 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:24:18,972 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:24:18,972 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-23 15:24:18,972 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:24:18,973 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:24:18,973 INFO L85 PathProgramCache]: Analyzing trace with hash 1730230390, now seen corresponding path program 1 times [2022-11-23 15:24:18,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:24:18,973 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140994326] [2022-11-23 15:24:18,973 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:24:18,974 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:24:19,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:24:19,959 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-23 15:24:19,959 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:24:19,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140994326] [2022-11-23 15:24:19,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140994326] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:24:19,960 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [175057953] [2022-11-23 15:24:19,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:24:19,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:24:19,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:24:19,967 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:24:19,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-23 15:24:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:24:20,878 INFO L263 TraceCheckSpWp]: Trace formula consists of 2723 conjuncts, 55 conjunts are in the unsatisfiable core [2022-11-23 15:24:20,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:24:21,109 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-11-23 15:24:21,110 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:24:21,110 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [175057953] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:24:21,110 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:24:21,110 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 12 [2022-11-23 15:24:21,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406128809] [2022-11-23 15:24:21,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:24:21,113 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-23 15:24:21,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:24:21,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-23 15:24:21,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:24:21,115 INFO L87 Difference]: Start difference. First operand 4354 states and 6271 transitions. Second operand has 10 states, 9 states have (on average 9.0) internal successors, (81), 7 states have internal predecessors, (81), 2 states have call successors, (17), 2 states have call predecessors, (17), 5 states have return successors, (16), 5 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-23 15:24:25,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:24:25,160 INFO L93 Difference]: Finished difference Result 14538 states and 21319 transitions. [2022-11-23 15:24:25,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2022-11-23 15:24:25,161 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 9.0) internal successors, (81), 7 states have internal predecessors, (81), 2 states have call successors, (17), 2 states have call predecessors, (17), 5 states have return successors, (16), 5 states have call predecessors, (16), 2 states have call successors, (16) Word has length 118 [2022-11-23 15:24:25,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:24:25,216 INFO L225 Difference]: With dead ends: 14538 [2022-11-23 15:24:25,216 INFO L226 Difference]: Without dead ends: 10242 [2022-11-23 15:24:25,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=359, Unknown=0, NotChecked=0, Total=420 [2022-11-23 15:24:25,235 INFO L413 NwaCegarLoop]: 1004 mSDtfsCounter, 1067 mSDsluCounter, 7731 mSDsCounter, 0 mSdLazyCounter, 940 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1094 SdHoareTripleChecker+Valid, 8735 SdHoareTripleChecker+Invalid, 966 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 940 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2022-11-23 15:24:25,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1094 Valid, 8735 Invalid, 966 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [26 Valid, 940 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2022-11-23 15:24:25,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10242 states. [2022-11-23 15:24:25,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10242 to 4384. [2022-11-23 15:24:25,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4384 states, 2848 states have (on average 1.3620084269662922) internal successors, (3879), 3021 states have internal predecessors, (3879), 1178 states have call successors, (1178), 353 states have call predecessors, (1178), 357 states have return successors, (1272), 1100 states have call predecessors, (1272), 1175 states have call successors, (1272) [2022-11-23 15:24:25,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4384 states to 4384 states and 6329 transitions. [2022-11-23 15:24:25,720 INFO L78 Accepts]: Start accepts. Automaton has 4384 states and 6329 transitions. Word has length 118 [2022-11-23 15:24:25,721 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:24:25,721 INFO L495 AbstractCegarLoop]: Abstraction has 4384 states and 6329 transitions. [2022-11-23 15:24:25,721 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 9.0) internal successors, (81), 7 states have internal predecessors, (81), 2 states have call successors, (17), 2 states have call predecessors, (17), 5 states have return successors, (16), 5 states have call predecessors, (16), 2 states have call successors, (16) [2022-11-23 15:24:25,721 INFO L276 IsEmpty]: Start isEmpty. Operand 4384 states and 6329 transitions. [2022-11-23 15:24:25,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-11-23 15:24:25,725 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:24:25,725 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:24:25,742 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-23 15:24:25,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:24:25,942 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:24:25,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:24:25,943 INFO L85 PathProgramCache]: Analyzing trace with hash -722936749, now seen corresponding path program 1 times [2022-11-23 15:24:25,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:24:25,943 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825276460] [2022-11-23 15:24:25,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:24:25,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:24:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:24:26,878 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-23 15:24:26,879 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:24:26,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825276460] [2022-11-23 15:24:26,879 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825276460] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:24:26,879 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1437566230] [2022-11-23 15:24:26,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:24:26,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:24:26,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:24:26,881 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:24:26,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-23 15:24:27,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:24:27,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 2748 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-23 15:24:27,659 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:24:27,699 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-11-23 15:24:27,700 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:24:27,701 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1437566230] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:24:27,701 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:24:27,701 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 6 [2022-11-23 15:24:27,701 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995904108] [2022-11-23 15:24:27,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:24:27,702 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-23 15:24:27,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:24:27,702 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-23 15:24:27,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:24:27,703 INFO L87 Difference]: Start difference. First operand 4384 states and 6329 transitions. Second operand has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 15:24:28,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:24:28,791 INFO L93 Difference]: Finished difference Result 9017 states and 13082 transitions. [2022-11-23 15:24:28,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-23 15:24:28,792 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 122 [2022-11-23 15:24:28,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:24:28,812 INFO L225 Difference]: With dead ends: 9017 [2022-11-23 15:24:28,812 INFO L226 Difference]: Without dead ends: 4691 [2022-11-23 15:24:28,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-23 15:24:28,826 INFO L413 NwaCegarLoop]: 870 mSDtfsCounter, 174 mSDsluCounter, 620 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 222 SdHoareTripleChecker+Valid, 1490 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-23 15:24:28,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [222 Valid, 1490 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-23 15:24:28,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4691 states. [2022-11-23 15:24:29,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4691 to 4384. [2022-11-23 15:24:29,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4384 states, 2848 states have (on average 1.360252808988764) internal successors, (3874), 3016 states have internal predecessors, (3874), 1178 states have call successors, (1178), 353 states have call predecessors, (1178), 357 states have return successors, (1272), 1100 states have call predecessors, (1272), 1175 states have call successors, (1272) [2022-11-23 15:24:29,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4384 states to 4384 states and 6324 transitions. [2022-11-23 15:24:29,269 INFO L78 Accepts]: Start accepts. Automaton has 4384 states and 6324 transitions. Word has length 122 [2022-11-23 15:24:29,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:24:29,270 INFO L495 AbstractCegarLoop]: Abstraction has 4384 states and 6324 transitions. [2022-11-23 15:24:29,270 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.0) internal successors, (78), 3 states have internal predecessors, (78), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 15:24:29,270 INFO L276 IsEmpty]: Start isEmpty. Operand 4384 states and 6324 transitions. [2022-11-23 15:24:29,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2022-11-23 15:24:29,274 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:24:29,274 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:24:29,290 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2022-11-23 15:24:29,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-23 15:24:29,490 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:24:29,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:24:29,490 INFO L85 PathProgramCache]: Analyzing trace with hash -461136790, now seen corresponding path program 1 times [2022-11-23 15:24:29,491 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:24:29,491 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446280755] [2022-11-23 15:24:29,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:24:29,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:24:29,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:24:30,312 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-23 15:24:30,313 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:24:30,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446280755] [2022-11-23 15:24:30,313 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1446280755] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:24:30,313 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1942365496] [2022-11-23 15:24:30,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:24:30,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:24:30,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:24:30,315 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:24:30,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-23 15:24:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:24:31,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 2853 conjuncts, 30 conjunts are in the unsatisfiable core [2022-11-23 15:24:31,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:24:31,290 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2022-11-23 15:24:31,291 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:24:31,291 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1942365496] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:24:31,291 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:24:31,291 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 7 [2022-11-23 15:24:31,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771573959] [2022-11-23 15:24:31,292 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:24:31,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-23 15:24:31,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:24:31,293 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-23 15:24:31,293 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:24:31,294 INFO L87 Difference]: Start difference. First operand 4384 states and 6324 transitions. Second operand has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-23 15:24:32,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:24:32,640 INFO L93 Difference]: Finished difference Result 8755 states and 12634 transitions. [2022-11-23 15:24:32,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-23 15:24:32,641 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 125 [2022-11-23 15:24:32,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:24:32,663 INFO L225 Difference]: With dead ends: 8755 [2022-11-23 15:24:32,663 INFO L226 Difference]: Without dead ends: 4385 [2022-11-23 15:24:32,679 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:24:32,680 INFO L413 NwaCegarLoop]: 749 mSDtfsCounter, 1 mSDsluCounter, 1496 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2245 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-23 15:24:32,681 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2245 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-23 15:24:32,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4385 states. [2022-11-23 15:24:33,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4385 to 4385. [2022-11-23 15:24:33,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4385 states, 2849 states have (on average 1.3601263601263602) internal successors, (3875), 3017 states have internal predecessors, (3875), 1178 states have call successors, (1178), 353 states have call predecessors, (1178), 357 states have return successors, (1272), 1100 states have call predecessors, (1272), 1175 states have call successors, (1272) [2022-11-23 15:24:33,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4385 states to 4385 states and 6325 transitions. [2022-11-23 15:24:33,165 INFO L78 Accepts]: Start accepts. Automaton has 4385 states and 6325 transitions. Word has length 125 [2022-11-23 15:24:33,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:24:33,166 INFO L495 AbstractCegarLoop]: Abstraction has 4385 states and 6325 transitions. [2022-11-23 15:24:33,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 25.0) internal successors, (75), 4 states have internal predecessors, (75), 2 states have call successors, (19), 2 states have call predecessors, (19), 3 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-23 15:24:33,166 INFO L276 IsEmpty]: Start isEmpty. Operand 4385 states and 6325 transitions. [2022-11-23 15:24:33,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2022-11-23 15:24:33,170 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:24:33,170 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:24:33,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-23 15:24:33,380 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:24:33,381 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:24:33,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:24:33,381 INFO L85 PathProgramCache]: Analyzing trace with hash 1748227811, now seen corresponding path program 1 times [2022-11-23 15:24:33,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:24:33,382 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [753617404] [2022-11-23 15:24:33,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:24:33,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:24:33,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:24:34,297 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-23 15:24:34,297 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:24:34,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [753617404] [2022-11-23 15:24:34,298 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [753617404] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:24:34,298 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716382841] [2022-11-23 15:24:34,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:24:34,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:24:34,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:24:34,303 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:24:34,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-23 15:24:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:24:35,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 2868 conjuncts, 67 conjunts are in the unsatisfiable core [2022-11-23 15:24:35,161 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:24:35,921 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-23 15:24:35,921 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:24:40,250 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-23 15:24:40,250 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1716382841] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-23 15:24:40,251 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-23 15:24:40,251 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [5, 9] total 17 [2022-11-23 15:24:40,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002102734] [2022-11-23 15:24:40,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:24:40,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-11-23 15:24:40,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:24:40,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-11-23 15:24:40,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=218, Unknown=0, NotChecked=0, Total=272 [2022-11-23 15:24:40,252 INFO L87 Difference]: Start difference. First operand 4385 states and 6325 transitions. Second operand has 8 states, 8 states have (on average 9.375) internal successors, (75), 7 states have internal predecessors, (75), 5 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18) [2022-11-23 15:24:46,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:24:46,487 INFO L93 Difference]: Finished difference Result 7432 states and 10778 transitions. [2022-11-23 15:24:46,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-23 15:24:46,495 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 7 states have internal predecessors, (75), 5 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18) Word has length 126 [2022-11-23 15:24:46,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:24:46,539 INFO L225 Difference]: With dead ends: 7432 [2022-11-23 15:24:46,539 INFO L226 Difference]: Without dead ends: 7427 [2022-11-23 15:24:46,545 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 236 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 103 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2022-11-23 15:24:46,546 INFO L413 NwaCegarLoop]: 856 mSDtfsCounter, 1165 mSDsluCounter, 2300 mSDsCounter, 0 mSdLazyCounter, 2931 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1271 SdHoareTripleChecker+Valid, 3156 SdHoareTripleChecker+Invalid, 3137 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 2931 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2022-11-23 15:24:46,546 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1271 Valid, 3156 Invalid, 3137 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [206 Valid, 2931 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2022-11-23 15:24:46,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7427 states. [2022-11-23 15:24:47,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7427 to 7401. [2022-11-23 15:24:47,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7401 states, 4788 states have (on average 1.3575605680868839) internal successors, (6500), 5066 states have internal predecessors, (6500), 2017 states have call successors, (2017), 587 states have call predecessors, (2017), 595 states have return successors, (2194), 1894 states have call predecessors, (2194), 2014 states have call successors, (2194) [2022-11-23 15:24:47,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7401 states to 7401 states and 10711 transitions. [2022-11-23 15:24:47,410 INFO L78 Accepts]: Start accepts. Automaton has 7401 states and 10711 transitions. Word has length 126 [2022-11-23 15:24:47,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:24:47,410 INFO L495 AbstractCegarLoop]: Abstraction has 7401 states and 10711 transitions. [2022-11-23 15:24:47,411 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.375) internal successors, (75), 7 states have internal predecessors, (75), 5 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 5 states have call predecessors, (18), 4 states have call successors, (18) [2022-11-23 15:24:47,411 INFO L276 IsEmpty]: Start isEmpty. Operand 7401 states and 10711 transitions. [2022-11-23 15:24:47,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-23 15:24:47,416 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:24:47,416 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:24:47,432 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-23 15:24:47,626 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-23 15:24:47,627 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:24:47,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:24:47,627 INFO L85 PathProgramCache]: Analyzing trace with hash 314297984, now seen corresponding path program 2 times [2022-11-23 15:24:47,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:24:47,627 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199430850] [2022-11-23 15:24:47,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:24:47,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:24:47,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:24:48,608 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-23 15:24:48,609 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:24:48,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199430850] [2022-11-23 15:24:48,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1199430850] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:24:48,609 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [512125951] [2022-11-23 15:24:48,609 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-23 15:24:48,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:24:48,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:24:48,611 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:24:48,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-23 15:24:50,390 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2022-11-23 15:24:50,390 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-23 15:24:50,403 INFO L263 TraceCheckSpWp]: Trace formula consists of 2814 conjuncts, 96 conjunts are in the unsatisfiable core [2022-11-23 15:24:50,412 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:24:51,292 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2022-11-23 15:24:51,292 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:24:55,133 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-11-23 15:24:55,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [512125951] provided 1 perfect and 1 imperfect interpolant sequences [2022-11-23 15:24:55,134 INFO L184 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2022-11-23 15:24:55,134 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5, 13] total 21 [2022-11-23 15:24:55,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869868616] [2022-11-23 15:24:55,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:24:55,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-23 15:24:55,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:24:55,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-23 15:24:55,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2022-11-23 15:24:55,136 INFO L87 Difference]: Start difference. First operand 7401 states and 10711 transitions. Second operand has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 4 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 4 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-23 15:24:59,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:24:59,447 INFO L93 Difference]: Finished difference Result 11378 states and 16384 transitions. [2022-11-23 15:24:59,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 15:24:59,449 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 4 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 4 states have call predecessors, (18), 3 states have call successors, (18) Word has length 130 [2022-11-23 15:24:59,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:24:59,499 INFO L225 Difference]: With dead ends: 11378 [2022-11-23 15:24:59,500 INFO L226 Difference]: Without dead ends: 11373 [2022-11-23 15:24:59,507 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 264 GetRequests, 240 SyntacticMatches, 5 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2022-11-23 15:24:59,508 INFO L413 NwaCegarLoop]: 801 mSDtfsCounter, 1537 mSDsluCounter, 1401 mSDsCounter, 0 mSdLazyCounter, 1444 mSolverCounterSat, 492 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1628 SdHoareTripleChecker+Valid, 2202 SdHoareTripleChecker+Invalid, 1936 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 492 IncrementalHoareTripleChecker+Valid, 1444 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2022-11-23 15:24:59,509 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1628 Valid, 2202 Invalid, 1936 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [492 Valid, 1444 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2022-11-23 15:24:59,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11373 states. [2022-11-23 15:25:00,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11373 to 11327. [2022-11-23 15:25:00,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11327 states, 7377 states have (on average 1.360851294564186) internal successors, (10039), 7809 states have internal predecessors, (10039), 3019 states have call successors, (3019), 918 states have call predecessors, (3019), 930 states have return successors, (3266), 2818 states have call predecessors, (3266), 3016 states have call successors, (3266) [2022-11-23 15:25:00,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11327 states to 11327 states and 16324 transitions. [2022-11-23 15:25:00,863 INFO L78 Accepts]: Start accepts. Automaton has 11327 states and 16324 transitions. Word has length 130 [2022-11-23 15:25:00,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:25:00,863 INFO L495 AbstractCegarLoop]: Abstraction has 11327 states and 16324 transitions. [2022-11-23 15:25:00,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 12.833333333333334) internal successors, (77), 6 states have internal predecessors, (77), 4 states have call successors, (19), 3 states have call predecessors, (19), 3 states have return successors, (18), 4 states have call predecessors, (18), 3 states have call successors, (18) [2022-11-23 15:25:00,864 INFO L276 IsEmpty]: Start isEmpty. Operand 11327 states and 16324 transitions. [2022-11-23 15:25:00,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-11-23 15:25:00,871 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:25:00,872 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:25:00,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-23 15:25:01,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2022-11-23 15:25:01,083 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:25:01,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:25:01,085 INFO L85 PathProgramCache]: Analyzing trace with hash -36402118, now seen corresponding path program 1 times [2022-11-23 15:25:01,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:25:01,086 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [346758553] [2022-11-23 15:25:01,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:25:01,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:25:01,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:25:02,137 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-11-23 15:25:02,137 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:25:02,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [346758553] [2022-11-23 15:25:02,137 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [346758553] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:25:02,137 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917311135] [2022-11-23 15:25:02,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:25:02,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:25:02,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:25:02,139 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:25:02,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-23 15:25:02,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:25:02,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 2803 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 15:25:02,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:25:03,165 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2022-11-23 15:25:03,165 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:25:03,165 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1917311135] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:25:03,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:25:03,166 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2022-11-23 15:25:03,166 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617128363] [2022-11-23 15:25:03,166 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:25:03,167 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-23 15:25:03,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:25:03,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-23 15:25:03,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2022-11-23 15:25:03,168 INFO L87 Difference]: Start difference. First operand 11327 states and 16324 transitions. Second operand has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 4 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-23 15:25:09,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:25:09,022 INFO L93 Difference]: Finished difference Result 22490 states and 32367 transitions. [2022-11-23 15:25:09,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-23 15:25:09,023 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 4 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 136 [2022-11-23 15:25:09,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:25:09,134 INFO L225 Difference]: With dead ends: 22490 [2022-11-23 15:25:09,135 INFO L226 Difference]: Without dead ends: 22474 [2022-11-23 15:25:09,145 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2022-11-23 15:25:09,146 INFO L413 NwaCegarLoop]: 1642 mSDtfsCounter, 1732 mSDsluCounter, 3265 mSDsCounter, 0 mSdLazyCounter, 2416 mSolverCounterSat, 190 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1763 SdHoareTripleChecker+Valid, 4907 SdHoareTripleChecker+Invalid, 2606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 190 IncrementalHoareTripleChecker+Valid, 2416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-23 15:25:09,146 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1763 Valid, 4907 Invalid, 2606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [190 Valid, 2416 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2022-11-23 15:25:09,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22474 states. [2022-11-23 15:25:11,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22474 to 21979. [2022-11-23 15:25:11,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21979 states, 14295 states have (on average 1.3597761455054216) internal successors, (19438), 15136 states have internal predecessors, (19438), 5878 states have call successors, (5878), 1774 states have call predecessors, (5878), 1805 states have return successors, (6232), 5491 states have call predecessors, (6232), 5875 states have call successors, (6232) [2022-11-23 15:25:11,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21979 states to 21979 states and 31548 transitions. [2022-11-23 15:25:11,521 INFO L78 Accepts]: Start accepts. Automaton has 21979 states and 31548 transitions. Word has length 136 [2022-11-23 15:25:11,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:25:11,521 INFO L495 AbstractCegarLoop]: Abstraction has 21979 states and 31548 transitions. [2022-11-23 15:25:11,521 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.333333333333334) internal successors, (80), 6 states have internal predecessors, (80), 4 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2022-11-23 15:25:11,522 INFO L276 IsEmpty]: Start isEmpty. Operand 21979 states and 31548 transitions. [2022-11-23 15:25:11,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-23 15:25:11,530 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:25:11,530 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 5, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:25:11,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-23 15:25:11,740 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:25:11,740 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:25:11,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:25:11,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1982312844, now seen corresponding path program 1 times [2022-11-23 15:25:11,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:25:11,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [544790924] [2022-11-23 15:25:11,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:25:11,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:25:11,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:25:12,334 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2022-11-23 15:25:12,334 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:25:12,334 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [544790924] [2022-11-23 15:25:12,335 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [544790924] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:25:12,335 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1874895177] [2022-11-23 15:25:12,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:25:12,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:25:12,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:25:12,336 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:25:12,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-23 15:25:13,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:25:13,232 INFO L263 TraceCheckSpWp]: Trace formula consists of 3137 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 15:25:13,238 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:25:13,443 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2022-11-23 15:25:13,443 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-23 15:25:13,444 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1874895177] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-23 15:25:13,444 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-23 15:25:13,444 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2022-11-23 15:25:13,444 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1829358307] [2022-11-23 15:25:13,444 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-23 15:25:13,445 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-23 15:25:13,445 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-23 15:25:13,446 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-23 15:25:13,446 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-23 15:25:13,446 INFO L87 Difference]: Start difference. First operand 21979 states and 31548 transitions. Second operand has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 15:25:18,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 15:25:18,958 INFO L93 Difference]: Finished difference Result 29845 states and 42846 transitions. [2022-11-23 15:25:18,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-23 15:25:18,959 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 142 [2022-11-23 15:25:18,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-23 15:25:19,078 INFO L225 Difference]: With dead ends: 29845 [2022-11-23 15:25:19,078 INFO L226 Difference]: Without dead ends: 29834 [2022-11-23 15:25:19,094 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-23 15:25:19,095 INFO L413 NwaCegarLoop]: 1658 mSDtfsCounter, 1826 mSDsluCounter, 2027 mSDsCounter, 0 mSdLazyCounter, 1545 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1831 SdHoareTripleChecker+Valid, 3685 SdHoareTripleChecker+Invalid, 1753 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 1545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.0s IncrementalHoareTripleChecker+Time [2022-11-23 15:25:19,095 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1831 Valid, 3685 Invalid, 1753 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [208 Valid, 1545 Invalid, 0 Unknown, 0 Unchecked, 3.0s Time] [2022-11-23 15:25:19,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29834 states. [2022-11-23 15:25:21,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29834 to 29385. [2022-11-23 15:25:21,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29385 states, 19073 states have (on average 1.3582551250458763) internal successors, (25906), 20188 states have internal predecessors, (25906), 7892 states have call successors, (7892), 2376 states have call predecessors, (7892), 2419 states have return successors, (8314), 7391 states have call predecessors, (8314), 7889 states have call successors, (8314) [2022-11-23 15:25:21,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29385 states to 29385 states and 42112 transitions. [2022-11-23 15:25:21,820 INFO L78 Accepts]: Start accepts. Automaton has 29385 states and 42112 transitions. Word has length 142 [2022-11-23 15:25:21,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-23 15:25:21,820 INFO L495 AbstractCegarLoop]: Abstraction has 29385 states and 42112 transitions. [2022-11-23 15:25:21,821 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.6) internal successors, (78), 5 states have internal predecessors, (78), 3 states have call successors, (18), 3 states have call predecessors, (18), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-23 15:25:21,821 INFO L276 IsEmpty]: Start isEmpty. Operand 29385 states and 42112 transitions. [2022-11-23 15:25:21,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-11-23 15:25:21,831 INFO L187 NwaCegarLoop]: Found error trace [2022-11-23 15:25:21,832 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-23 15:25:21,847 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2022-11-23 15:25:22,043 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2022-11-23 15:25:22,043 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-23 15:25:22,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 15:25:22,044 INFO L85 PathProgramCache]: Analyzing trace with hash -1902325003, now seen corresponding path program 1 times [2022-11-23 15:25:22,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-23 15:25:22,044 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492908485] [2022-11-23 15:25:22,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:25:22,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 15:25:22,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:25:22,807 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 8 proven. 6 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2022-11-23 15:25:22,807 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-23 15:25:22,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492908485] [2022-11-23 15:25:22,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492908485] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 15:25:22,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561266640] [2022-11-23 15:25:22,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 15:25:22,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 15:25:22,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 [2022-11-23 15:25:22,811 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 15:25:22,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0ab1abfd-3e20-4c39-8c14-005b2fe7ddb7/bin/utaipan-Q6hlc19bkW/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-23 15:25:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 15:25:24,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 2994 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-23 15:25:24,130 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 15:25:24,162 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2022-11-23 15:25:24,162 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 15:25:24,336 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2022-11-23 15:25:24,337 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1561266640] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 15:25:24,337 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1183474997] [2022-11-23 15:25:24,364 INFO L159 IcfgInterpreter]: Started Sifa with 105 locations of interest [2022-11-23 15:25:24,364 INFO L166 IcfgInterpreter]: Building call graph [2022-11-23 15:25:24,369 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-23 15:25:24,374 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-23 15:25:24,375 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-23 15:25:28,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:25:28,580 INFO L217 Elim1Store]: Index analysis took 307 ms [2022-11-23 15:25:52,895 WARN L233 SmtUtils]: Spent 24.25s on a formula simplification. DAG size of input: 1974 DAG size of output: 1077 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-23 15:25:52,900 INFO L321 Elim1Store]: treesize reduction 3222, result has 33.3 percent of original size [2022-11-23 15:25:52,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 182 select indices, 182 select index equivalence classes, 16292 disjoint index pairs (out of 16471 index pairs), introduced 182 new quantified variables, introduced 358 case distinctions, treesize of input 917 treesize of output 2173 [2022-11-23 15:25:56,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:25:56,230 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 180 select indices, 180 select index equivalence classes, 16291 disjoint index pairs (out of 16110 index pairs), introduced 180 new quantified variables, introduced 0 case distinctions, treesize of input 907 treesize of output 1446 [2022-11-23 15:26:13,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:13,750 INFO L217 Elim1Store]: Index analysis took 274 ms [2022-11-23 15:26:13,879 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 442 select indices, 442 select index equivalence classes, 5592 disjoint index pairs (out of 97461 index pairs), introduced 442 new quantified variables, introduced 0 case distinctions, treesize of input 3203 treesize of output 1327 [2022-11-23 15:26:14,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:15,021 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 182 select indices, 182 select index equivalence classes, 16471 disjoint index pairs (out of 16471 index pairs), introduced 182 new quantified variables, introduced 0 case distinctions, treesize of input 911 treesize of output 547 [2022-11-23 15:26:15,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:15,544 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 181 select indices, 181 select index equivalence classes, 16291 disjoint index pairs (out of 16290 index pairs), introduced 181 new quantified variables, introduced 0 case distinctions, treesize of input 906 treesize of output 544 [2022-11-23 15:26:29,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:29,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 181 select indices, 181 select index equivalence classes, 16291 disjoint index pairs (out of 16290 index pairs), introduced 181 new quantified variables, introduced 0 case distinctions, treesize of input 906 treesize of output 544 [2022-11-23 15:26:30,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,471 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:30,551 INFO L217 Elim1Store]: Index analysis took 255 ms [2022-11-23 15:26:30,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 442 select indices, 442 select index equivalence classes, 5592 disjoint index pairs (out of 97461 index pairs), introduced 442 new quantified variables, introduced 0 case distinctions, treesize of input 3203 treesize of output 1327 [2022-11-23 15:26:31,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:31,703 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 182 select indices, 182 select index equivalence classes, 16471 disjoint index pairs (out of 16471 index pairs), introduced 182 new quantified variables, introduced 0 case distinctions, treesize of input 911 treesize of output 547 [2022-11-23 15:26:33,537 INFO L350 Elim1Store]: Elim1 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 16 treesize of output 12 [2022-11-23 15:26:33,552 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 10 [2022-11-23 15:26:33,557 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 10 [2022-11-23 15:26:33,573 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-23 15:26:33,581 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 63 [2022-11-23 15:26:33,588 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 65 [2022-11-23 15:26:33,608 INFO L350 Elim1Store]: Elim1 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 16 treesize of output 12 [2022-11-23 15:26:33,613 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 10 [2022-11-23 15:26:33,619 INFO L350 Elim1Store]: Elim1 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 14 treesize of output 10 [2022-11-23 15:26:34,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,434 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 43 select indices, 43 select index equivalence classes, 532 disjoint index pairs (out of 903 index pairs), introduced 43 new quantified variables, introduced 0 case distinctions, treesize of input 386 treesize of output 130 [2022-11-23 15:26:34,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:34,603 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 43 select indices, 43 select index equivalence classes, 532 disjoint index pairs (out of 903 index pairs), introduced 43 new quantified variables, introduced 0 case distinctions, treesize of input 386 treesize of output 130 [2022-11-23 15:26:35,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:35,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:35,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:35,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:35,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:35,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:35,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:35,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:35,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:35,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:35,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:35,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:35,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:35,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:35,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:35,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:35,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:35,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:35,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:35,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:35,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:35,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:35,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:35,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:35,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:35,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:35,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:35,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:35,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:35,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:35,769 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 43 select indices, 43 select index equivalence classes, 532 disjoint index pairs (out of 903 index pairs), introduced 43 new quantified variables, introduced 0 case distinctions, treesize of input 386 treesize of output 130 [2022-11-23 15:26:36,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:36,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:36,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:36,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:36,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:36,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:36,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:36,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:36,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:36,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:36,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:36,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:36,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:36,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:36,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:36,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:36,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:36,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:36,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:36,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:36,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:36,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:36,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:36,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:36,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:36,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:36,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:36,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:36,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:36,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:36,055 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 43 select indices, 43 select index equivalence classes, 532 disjoint index pairs (out of 903 index pairs), introduced 43 new quantified variables, introduced 0 case distinctions, treesize of input 386 treesize of output 130 [2022-11-23 15:26:47,373 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:26:47,407 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:26:47,511 INFO L350 Elim1Store]: Elim1 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 8 treesize of output 7 [2022-11-23 15:26:47,516 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:26:47,697 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:26:47,722 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:26:47,876 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:26:47,923 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:26:51,020 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-11-23 15:26:51,028 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-11-23 15:26:51,033 INFO L350 Elim1Store]: Elim1 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 13 treesize of output 9 [2022-11-23 15:26:51,041 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-11-23 15:26:51,046 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-11-23 15:26:51,053 INFO L350 Elim1Store]: Elim1 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 13 treesize of output 9 [2022-11-23 15:26:51,062 INFO L350 Elim1Store]: Elim1 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 13 treesize of output 9 [2022-11-23 15:26:51,069 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-11-23 15:26:51,075 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-11-23 15:26:51,085 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:26:51,087 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:26:51,089 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-23 15:26:51,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:51,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 22 treesize of output 7 [2022-11-23 15:26:51,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:51,538 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 22 treesize of output 7 [2022-11-23 15:26:51,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:51,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:51,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:51,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:51,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 26 [2022-11-23 15:26:53,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:53,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:53,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:53,471 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:26:53,471 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-11-23 15:26:53,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:53,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:53,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:53,530 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:26:53,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 32 [2022-11-23 15:26:53,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:53,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:53,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:53,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:53,639 INFO L321 Elim1Store]: treesize reduction 83, result has 18.6 percent of original size [2022-11-23 15:26:53,640 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 66 treesize of output 72 [2022-11-23 15:26:56,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:56,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:56,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:56,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:56,137 INFO L321 Elim1Store]: treesize reduction 83, result has 18.6 percent of original size [2022-11-23 15:26:56,137 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 821 treesize of output 785 [2022-11-23 15:26:56,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:56,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:56,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:56,261 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:26:56,262 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 791 treesize of output 780 [2022-11-23 15:26:56,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:56,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:56,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:26:56,382 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:26:56,383 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 791 treesize of output 780 [2022-11-23 15:27:08,457 INFO L350 Elim1Store]: Elim1 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 13 treesize of output 9 [2022-11-23 15:27:08,461 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-11-23 15:27:08,466 INFO L350 Elim1Store]: Elim1 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 13 treesize of output 9 [2022-11-23 15:27:08,496 INFO L350 Elim1Store]: Elim1 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 13 treesize of output 9 [2022-11-23 15:27:08,501 INFO L350 Elim1Store]: Elim1 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 13 treesize of output 9 [2022-11-23 15:27:08,505 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-11-23 15:27:08,513 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-23 15:27:08,524 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 22 [2022-11-23 15:27:08,527 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-11-23 15:27:08,553 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 27 [2022-11-23 15:27:09,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:27:09,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:27:09,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:27:09,267 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:27:09,268 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 1184 treesize of output 1145 [2022-11-23 15:27:09,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:27:09,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:27:09,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:27:09,389 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:27:09,390 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1098 treesize of output 1044 [2022-11-23 15:27:09,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:27:09,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:27:09,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:27:09,512 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:27:09,512 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1050 treesize of output 996 [2022-11-23 15:27:23,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:27:23,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:27:23,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:27:23,225 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:27:23,226 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 7 case distinctions, treesize of input 1184 treesize of output 1145 [2022-11-23 15:27:23,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:27:23,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:27:23,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:27:23,324 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:27:23,324 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1098 treesize of output 1044 [2022-11-23 15:27:23,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:27:23,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:27:23,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:27:23,426 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:27:23,427 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 1050 treesize of output 996 [2022-11-23 15:27:55,197 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 6 treesize of output 5 [2022-11-23 15:27:56,897 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:27:56,988 INFO L321 Elim1Store]: treesize reduction 19, result has 32.1 percent of original size [2022-11-23 15:27:56,988 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 21 [2022-11-23 15:27:57,216 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:27:57,272 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:27:57,272 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 23 [2022-11-23 15:27:57,508 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:27:57,556 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:27:57,556 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 23 [2022-11-23 15:28:08,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:08,742 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 22 treesize of output 7 [2022-11-23 15:28:08,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:08,776 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 22 treesize of output 7 [2022-11-23 15:28:08,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:08,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:08,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:08,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:08,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 26 [2022-11-23 15:28:10,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:10,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:10,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:10,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:10,899 INFO L321 Elim1Store]: treesize reduction 83, result has 18.6 percent of original size [2022-11-23 15:28:10,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 8 case distinctions, treesize of input 718 treesize of output 694 [2022-11-23 15:28:10,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:10,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:10,986 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:28:10,986 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 700 treesize of output 692 [2022-11-23 15:28:11,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:11,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-23 15:28:11,073 INFO L321 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2022-11-23 15:28:11,074 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 700 treesize of output 692 [2022-11-23 15:28:35,214 INFO L350 Elim1Store]: Elim1 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 19 treesize of output 1 [2022-11-23 15:28:35,248 INFO L350 Elim1Store]: Elim1 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 13 treesize of output 9 [2022-11-23 15:28:35,296 INFO L350 Elim1Store]: Elim1 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 13 treesize of output 9 [2022-11-23 15:28:35,633 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-23 15:28:35,683 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-23 15:28:35,897 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-23 15:28:35,923 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 3 [2022-11-23 15:28:36,655 INFO L321 Elim1Store]: treesize reduction 20, result has 57.4 percent of original size [2022-11-23 15:28:36,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 594 treesize of output 615 [2022-11-23 15:29:15,995 INFO L350 Elim1Store]: Elim1 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 [2022-11-23 15:29:17,023 INFO L321 Elim1Store]: treesize reduction 648, result has 24.0 percent of original size [2022-11-23 15:29:17,025 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 13 select indices, 13 select index equivalence classes, 1 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 90 case distinctions, treesize of input 2034 treesize of output 2211 [2022-11-23 15:31:05,811 WARN L233 SmtUtils]: Spent 18.89s on a formula simplification. DAG size of input: 591 DAG size of output: 591 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-23 15:31:20,891 WARN L233 SmtUtils]: Spent 7.53s on a formula simplification that was a NOOP. DAG size: 588 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-23 15:34:20,425 WARN L233 SmtUtils]: Spent 1.33m on a formula simplification. DAG size of input: 744 DAG size of output: 744 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-23 15:34:51,493 WARN L233 SmtUtils]: Spent 15.44s on a formula simplification that was a NOOP. DAG size: 737 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-23 15:35:07,484 WARN L233 SmtUtils]: Spent 15.96s on a formula simplification that was a NOOP. DAG size: 1024 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-23 15:36:27,420 WARN L233 SmtUtils]: Spent 16.60s on a formula simplification that was a NOOP. DAG size: 738 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-23 15:36:59,971 WARN L233 SmtUtils]: Spent 32.54s on a formula simplification that was a NOOP. DAG size: 741 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2022-11-23 15:37:29,230 WARN L233 SmtUtils]: Spent 14.64s on a formula simplification that was a NOOP. DAG size: 1024 (called from [L 800] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)