./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_9ad1a7e4-2ca9-45fe-a304-3f0321dae1ca/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad1a7e4-2ca9-45fe-a304-3f0321dae1ca/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad1a7e4-2ca9-45fe-a304-3f0321dae1ca/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad1a7e4-2ca9-45fe-a304-3f0321dae1ca/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad1a7e4-2ca9-45fe-a304-3f0321dae1ca/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad1a7e4-2ca9-45fe-a304-3f0321dae1ca/bin/utaipan-I9t0OCRTmS --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 96a9bd06c2a0348ab1a93991deedda2ae571d70e4f7fb0e32175d69384f432c0 --- 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-8393723 [2022-11-19 06:35:44,608 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:35:44,610 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:35:44,648 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:35:44,649 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:35:44,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:35:44,659 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:35:44,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:35:44,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:35:44,671 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:35:44,672 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:35:44,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:35:44,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:35:44,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:35:44,677 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:35:44,685 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:35:44,687 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:35:44,696 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:35:44,698 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:35:44,700 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:35:44,702 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:35:44,710 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:35:44,714 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:35:44,716 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:35:44,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:35:44,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:35:44,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:35:44,730 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:35:44,730 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:35:44,732 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:35:44,734 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:35:44,735 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:35:44,738 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:35:44,741 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:35:44,742 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:35:44,743 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:35:44,744 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:35:44,744 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:35:44,744 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:35:44,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:35:44,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:35:44,748 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad1a7e4-2ca9-45fe-a304-3f0321dae1ca/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 06:35:44,807 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:35:44,807 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:35:44,808 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:35:44,809 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:35:44,810 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:35:44,810 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:35:44,811 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:35:44,811 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:35:44,811 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:35:44,812 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:35:44,813 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:35:44,813 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:35:44,814 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:35:44,814 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:35:44,814 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:35:44,815 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:35:44,815 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:35:44,815 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:35:44,816 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:35:44,817 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:35:44,817 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:35:44,817 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:35:44,818 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:35:44,820 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:35:44,820 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:35:44,820 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:35:44,821 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:35:44,821 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:35:44,821 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:35:44,822 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:35:44,822 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:35:44,823 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:35:44,823 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:35:44,823 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:35:44,823 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:35:44,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:35:44,824 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:35:44,824 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:35:44,825 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_9ad1a7e4-2ca9-45fe-a304-3f0321dae1ca/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad1a7e4-2ca9-45fe-a304-3f0321dae1ca/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 96a9bd06c2a0348ab1a93991deedda2ae571d70e4f7fb0e32175d69384f432c0 [2022-11-19 06:35:45,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:35:45,214 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:35:45,217 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:35:45,219 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:35:45,220 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:35:45,222 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad1a7e4-2ca9-45fe-a304-3f0321dae1ca/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i [2022-11-19 06:35:45,310 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad1a7e4-2ca9-45fe-a304-3f0321dae1ca/bin/utaipan-I9t0OCRTmS/data/57e8d09ca/d183c9a047e24c8aa3d81b9cd46fd28b/FLAG86afce59f [2022-11-19 06:35:46,260 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:35:46,261 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad1a7e4-2ca9-45fe-a304-3f0321dae1ca/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i [2022-11-19 06:35:46,331 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad1a7e4-2ca9-45fe-a304-3f0321dae1ca/bin/utaipan-I9t0OCRTmS/data/57e8d09ca/d183c9a047e24c8aa3d81b9cd46fd28b/FLAG86afce59f [2022-11-19 06:35:46,830 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad1a7e4-2ca9-45fe-a304-3f0321dae1ca/bin/utaipan-I9t0OCRTmS/data/57e8d09ca/d183c9a047e24c8aa3d81b9cd46fd28b [2022-11-19 06:35:46,833 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:35:46,835 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:35:46,837 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:35:46,837 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:35:46,841 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:35:46,842 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:35:46" (1/1) ... [2022-11-19 06:35:46,844 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7181841f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:46, skipping insertion in model container [2022-11-19 06:35:46,844 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:35:46" (1/1) ... [2022-11-19 06:35:46,853 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:35:46,988 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:35:48,730 WARN L234 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_9ad1a7e4-2ca9-45fe-a304-3f0321dae1ca/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i[147706,147719] [2022-11-19 06:35:48,965 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:35:49,033 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:35:49,438 WARN L234 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_9ad1a7e4-2ca9-45fe-a304-3f0321dae1ca/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i[147706,147719] [2022-11-19 06:35:49,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:35:49,556 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:35:49,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:49 WrapperNode [2022-11-19 06:35:49,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:35:49,558 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:35:49,558 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:35:49,559 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:35:49,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:49" (1/1) ... [2022-11-19 06:35:49,649 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:49" (1/1) ... [2022-11-19 06:35:49,761 INFO L138 Inliner]: procedures = 222, calls = 875, calls flagged for inlining = 79, calls inlined = 74, statements flattened = 2387 [2022-11-19 06:35:49,762 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:35:49,763 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:35:49,763 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:35:49,763 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:35:49,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:49" (1/1) ... [2022-11-19 06:35:49,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:49" (1/1) ... [2022-11-19 06:35:49,801 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:49" (1/1) ... [2022-11-19 06:35:49,801 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:49" (1/1) ... [2022-11-19 06:35:49,890 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:49" (1/1) ... [2022-11-19 06:35:49,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:49" (1/1) ... [2022-11-19 06:35:49,965 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:49" (1/1) ... [2022-11-19 06:35:49,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:49" (1/1) ... [2022-11-19 06:35:49,997 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:35:49,998 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:35:49,998 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:35:49,999 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:35:50,000 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:49" (1/1) ... [2022-11-19 06:35:50,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:35:50,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad1a7e4-2ca9-45fe-a304-3f0321dae1ca/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:35:50,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad1a7e4-2ca9-45fe-a304-3f0321dae1ca/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:35:50,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad1a7e4-2ca9-45fe-a304-3f0321dae1ca/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:35:50,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_port_mutex_of_lp_struct [2022-11-19 06:35:50,104 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_port_mutex_of_lp_struct [2022-11-19 06:35:50,104 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2022-11-19 06:35:50,105 INFO L130 BoogieDeclarations]: Found specification of procedure lp_error [2022-11-19 06:35:50,105 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_error [2022-11-19 06:35:50,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 06:35:50,105 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 06:35:50,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 06:35:50,105 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 06:35:50,106 INFO L130 BoogieDeclarations]: Found specification of procedure lp_register [2022-11-19 06:35:50,106 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_register [2022-11-19 06:35:50,106 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2022-11-19 06:35:50,106 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2022-11-19 06:35:50,106 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2022-11-19 06:35:50,106 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2022-11-19 06:35:50,107 INFO L130 BoogieDeclarations]: Found specification of procedure lp_release_parport [2022-11-19 06:35:50,107 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_release_parport [2022-11-19 06:35:50,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 06:35:50,107 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 06:35:50,107 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-19 06:35:50,107 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-19 06:35:50,107 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 06:35:50,108 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 06:35:50,108 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 06:35:50,108 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 06:35:50,108 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-19 06:35:50,108 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-19 06:35:50,108 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-19 06:35:50,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~VOID [2022-11-19 06:35:50,109 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_port_mutex_of_lp_struct [2022-11-19 06:35:50,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_port_mutex_of_lp_struct [2022-11-19 06:35:50,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:35:50,109 INFO L130 BoogieDeclarations]: Found specification of procedure lp_set_timeout [2022-11-19 06:35:50,109 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_set_timeout [2022-11-19 06:35:50,110 INFO L130 BoogieDeclarations]: Found specification of procedure lp_reset [2022-11-19 06:35:50,110 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_reset [2022-11-19 06:35:50,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_25 [2022-11-19 06:35:50,110 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_25 [2022-11-19 06:35:50,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 06:35:50,110 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-19 06:35:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-19 06:35:50,111 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2022-11-19 06:35:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2022-11-19 06:35:50,111 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2022-11-19 06:35:50,111 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2022-11-19 06:35:50,111 INFO L130 BoogieDeclarations]: Found specification of procedure parport_write [2022-11-19 06:35:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_write [2022-11-19 06:35:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:35:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 06:35:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-19 06:35:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-19 06:35:50,112 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lp_mutex [2022-11-19 06:35:50,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lp_mutex [2022-11-19 06:35:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2022-11-19 06:35:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2022-11-19 06:35:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure parport_negotiate [2022-11-19 06:35:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_negotiate [2022-11-19 06:35:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure parport_release [2022-11-19 06:35:50,113 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_release [2022-11-19 06:35:50,113 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_console [2022-11-19 06:35:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_console [2022-11-19 06:35:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure parport_set_timeout [2022-11-19 06:35:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_set_timeout [2022-11-19 06:35:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 06:35:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure parport_claim_or_block [2022-11-19 06:35:50,114 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_claim_or_block [2022-11-19 06:35:50,114 INFO L130 BoogieDeclarations]: Found specification of procedure lp_do_ioctl [2022-11-19 06:35:50,115 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_do_ioctl [2022-11-19 06:35:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2022-11-19 06:35:50,115 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2022-11-19 06:35:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:35:50,115 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-19 06:35:50,116 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-19 06:35:50,116 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 06:35:50,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 06:35:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-19 06:35:50,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-19 06:35:50,117 INFO L130 BoogieDeclarations]: Found specification of procedure lp_claim_parport_or_block [2022-11-19 06:35:50,117 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_claim_parport_or_block [2022-11-19 06:35:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2022-11-19 06:35:50,118 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2022-11-19 06:35:50,118 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 06:35:50,119 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2022-11-19 06:35:50,119 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2022-11-19 06:35:50,119 INFO L130 BoogieDeclarations]: Found specification of procedure memchr [2022-11-19 06:35:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-19 06:35:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-19 06:35:50,120 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-19 06:35:50,121 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-19 06:35:50,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:35:50,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2022-11-19 06:35:50,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2022-11-19 06:35:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 06:35:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-19 06:35:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure lp_detach [2022-11-19 06:35:50,123 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_detach [2022-11-19 06:35:50,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lp_mutex [2022-11-19 06:35:50,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lp_mutex [2022-11-19 06:35:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2022-11-19 06:35:50,124 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2022-11-19 06:35:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure lp_negotiate [2022-11-19 06:35:50,124 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_negotiate [2022-11-19 06:35:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-11-19 06:35:50,124 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-11-19 06:35:50,124 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2022-11-19 06:35:50,125 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2022-11-19 06:35:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure lp_wait_ready [2022-11-19 06:35:50,125 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_wait_ready [2022-11-19 06:35:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2022-11-19 06:35:50,125 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2022-11-19 06:35:50,125 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout [2022-11-19 06:35:50,125 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout [2022-11-19 06:35:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:35:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure lp_write [2022-11-19 06:35:50,126 INFO L138 BoogieDeclarations]: Found implementation of procedure lp_write [2022-11-19 06:35:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_clear_bit [2022-11-19 06:35:50,126 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_clear_bit [2022-11-19 06:35:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2022-11-19 06:35:50,126 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2022-11-19 06:35:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:35:50,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:35:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure parport_yield_blocking [2022-11-19 06:35:50,127 INFO L138 BoogieDeclarations]: Found implementation of procedure parport_yield_blocking [2022-11-19 06:35:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-19 06:35:50,127 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-19 06:35:50,831 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:35:50,838 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:35:51,119 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 06:35:53,432 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:35:54,119 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:35:54,119 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 06:35:54,126 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:35:54 BoogieIcfgContainer [2022-11-19 06:35:54,126 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:35:54,129 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:35:54,129 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:35:54,133 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:35:54,133 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:35:46" (1/3) ... [2022-11-19 06:35:54,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d663359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:35:54, skipping insertion in model container [2022-11-19 06:35:54,135 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:35:49" (2/3) ... [2022-11-19 06:35:54,135 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d663359 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:35:54, skipping insertion in model container [2022-11-19 06:35:54,136 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:35:54" (3/3) ... [2022-11-19 06:35:54,137 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--char--lp.ko-entry_point.cil.out.i [2022-11-19 06:35:54,161 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:35:54,162 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 06:35:54,315 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:35:54,323 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;@74851387, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:35:54,323 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 06:35:54,335 INFO L276 IsEmpty]: Start isEmpty. Operand has 636 states, 394 states have (on average 1.3781725888324874) internal successors, (543), 416 states have internal predecessors, (543), 186 states have call successors, (186), 55 states have call predecessors, (186), 54 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) [2022-11-19 06:35:54,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2022-11-19 06:35:54,370 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:35:54,371 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:35:54,372 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:35:54,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:35:54,379 INFO L85 PathProgramCache]: Analyzing trace with hash 1391302805, now seen corresponding path program 1 times [2022-11-19 06:35:54,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:35:54,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458574636] [2022-11-19 06:35:54,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:35:54,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:35:54,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:35:55,813 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-19 06:35:55,813 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:35:55,814 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458574636] [2022-11-19 06:35:55,815 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [458574636] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:35:55,815 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:35:55,815 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 06:35:55,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256355465] [2022-11-19 06:35:55,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:35:55,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:35:55,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:35:55,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:35:55,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:35:55,883 INFO L87 Difference]: Start difference. First operand has 636 states, 394 states have (on average 1.3781725888324874) internal successors, (543), 416 states have internal predecessors, (543), 186 states have call successors, (186), 55 states have call predecessors, (186), 54 states have return successors, (181), 181 states have call predecessors, (181), 181 states have call successors, (181) Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-19 06:35:58,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:35:58,826 INFO L93 Difference]: Finished difference Result 1786 states and 2717 transitions. [2022-11-19 06:35:58,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 06:35:58,831 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 136 [2022-11-19 06:35:58,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:35:58,866 INFO L225 Difference]: With dead ends: 1786 [2022-11-19 06:35:58,866 INFO L226 Difference]: Without dead ends: 1158 [2022-11-19 06:35:58,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-19 06:35:58,890 INFO L413 NwaCegarLoop]: 1210 mSDtfsCounter, 1760 mSDsluCounter, 2100 mSDsCounter, 0 mSdLazyCounter, 688 mSolverCounterSat, 228 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1760 SdHoareTripleChecker+Valid, 3310 SdHoareTripleChecker+Invalid, 916 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 228 IncrementalHoareTripleChecker+Valid, 688 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:35:58,891 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1760 Valid, 3310 Invalid, 916 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [228 Valid, 688 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2022-11-19 06:35:58,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1158 states. [2022-11-19 06:35:59,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1158 to 631. [2022-11-19 06:35:59,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 631 states, 396 states have (on average 1.3585858585858586) internal successors, (538), 411 states have internal predecessors, (538), 181 states have call successors, (181), 54 states have call predecessors, (181), 53 states have return successors, (172), 172 states have call predecessors, (172), 172 states have call successors, (172) [2022-11-19 06:35:59,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 631 states and 891 transitions. [2022-11-19 06:35:59,099 INFO L78 Accepts]: Start accepts. Automaton has 631 states and 891 transitions. Word has length 136 [2022-11-19 06:35:59,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:35:59,103 INFO L495 AbstractCegarLoop]: Abstraction has 631 states and 891 transitions. [2022-11-19 06:35:59,103 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2022-11-19 06:35:59,103 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 891 transitions. [2022-11-19 06:35:59,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-19 06:35:59,121 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:35:59,121 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:35:59,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 06:35:59,122 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:35:59,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:35:59,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1357269061, now seen corresponding path program 1 times [2022-11-19 06:35:59,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:35:59,123 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262845232] [2022-11-19 06:35:59,123 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:35:59,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:35:59,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:35:59,516 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-19 06:35:59,518 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:35:59,518 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262845232] [2022-11-19 06:35:59,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262845232] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:35:59,519 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:35:59,519 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:35:59,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334881663] [2022-11-19 06:35:59,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:35:59,521 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:35:59,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:35:59,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:35:59,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:35:59,523 INFO L87 Difference]: Start difference. First operand 631 states and 891 transitions. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-19 06:36:00,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:36:00,390 INFO L93 Difference]: Finished difference Result 1426 states and 1995 transitions. [2022-11-19 06:36:00,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:36:00,391 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 139 [2022-11-19 06:36:00,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:36:00,399 INFO L225 Difference]: With dead ends: 1426 [2022-11-19 06:36:00,400 INFO L226 Difference]: Without dead ends: 829 [2022-11-19 06:36:00,402 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 [2022-11-19 06:36:00,403 INFO L413 NwaCegarLoop]: 804 mSDtfsCounter, 307 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 307 SdHoareTripleChecker+Valid, 1504 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-19 06:36:00,404 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [307 Valid, 1504 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-19 06:36:00,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 829 states. [2022-11-19 06:36:00,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 829 to 807. [2022-11-19 06:36:00,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 807 states, 521 states have (on average 1.3685220729366603) internal successors, (713), 538 states have internal predecessors, (713), 210 states have call successors, (210), 76 states have call predecessors, (210), 75 states have return successors, (201), 200 states have call predecessors, (201), 201 states have call successors, (201) [2022-11-19 06:36:00,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 1124 transitions. [2022-11-19 06:36:00,476 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 1124 transitions. Word has length 139 [2022-11-19 06:36:00,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:36:00,477 INFO L495 AbstractCegarLoop]: Abstraction has 807 states and 1124 transitions. [2022-11-19 06:36:00,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 2 states have call successors, (20), 2 states have call predecessors, (20), 1 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2022-11-19 06:36:00,478 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1124 transitions. [2022-11-19 06:36:00,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-11-19 06:36:00,481 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:36:00,481 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:36:00,482 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 06:36:00,482 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:36:00,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:36:00,483 INFO L85 PathProgramCache]: Analyzing trace with hash 1777363973, now seen corresponding path program 1 times [2022-11-19 06:36:00,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:36:00,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2068256399] [2022-11-19 06:36:00,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:36:00,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:36:00,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:36:00,855 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-19 06:36:00,861 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:36:00,862 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2068256399] [2022-11-19 06:36:00,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2068256399] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:36:00,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:36:00,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:36:00,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757029405] [2022-11-19 06:36:00,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:36:00,865 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:36:00,865 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:36:00,866 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:36:00,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:36:00,867 INFO L87 Difference]: Start difference. First operand 807 states and 1124 transitions. Second operand has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 06:36:01,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:36:01,836 INFO L93 Difference]: Finished difference Result 2264 states and 3149 transitions. [2022-11-19 06:36:01,837 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:36:01,837 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 141 [2022-11-19 06:36:01,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:36:01,847 INFO L225 Difference]: With dead ends: 2264 [2022-11-19 06:36:01,847 INFO L226 Difference]: Without dead ends: 1491 [2022-11-19 06:36:01,850 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 [2022-11-19 06:36:01,852 INFO L413 NwaCegarLoop]: 920 mSDtfsCounter, 799 mSDsluCounter, 727 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 799 SdHoareTripleChecker+Valid, 1647 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-19 06:36:01,852 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [799 Valid, 1647 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-19 06:36:01,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1491 states. [2022-11-19 06:36:01,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1491 to 1485. [2022-11-19 06:36:01,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1485 states, 960 states have (on average 1.3666666666666667) internal successors, (1312), 984 states have internal predecessors, (1312), 380 states have call successors, (380), 145 states have call predecessors, (380), 144 states have return successors, (371), 370 states have call predecessors, (371), 371 states have call successors, (371) [2022-11-19 06:36:01,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1485 states to 1485 states and 2063 transitions. [2022-11-19 06:36:01,979 INFO L78 Accepts]: Start accepts. Automaton has 1485 states and 2063 transitions. Word has length 141 [2022-11-19 06:36:01,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:36:01,980 INFO L495 AbstractCegarLoop]: Abstraction has 1485 states and 2063 transitions. [2022-11-19 06:36:01,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 3 states have internal predecessors, (39), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2022-11-19 06:36:01,980 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 2063 transitions. [2022-11-19 06:36:01,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-11-19 06:36:01,983 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:36:01,984 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:36:01,984 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 06:36:01,984 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:36:01,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:36:01,985 INFO L85 PathProgramCache]: Analyzing trace with hash -1900658054, now seen corresponding path program 1 times [2022-11-19 06:36:01,985 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:36:01,985 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1279706647] [2022-11-19 06:36:01,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:36:01,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:36:02,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:36:02,387 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-19 06:36:02,388 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:36:02,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1279706647] [2022-11-19 06:36:02,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1279706647] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:36:02,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:36:02,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:36:02,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87007683] [2022-11-19 06:36:02,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:36:02,391 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:36:02,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:36:02,392 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:36:02,392 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:36:02,393 INFO L87 Difference]: Start difference. First operand 1485 states and 2063 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-19 06:36:03,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:36:03,092 INFO L93 Difference]: Finished difference Result 1487 states and 2064 transitions. [2022-11-19 06:36:03,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:36:03,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 138 [2022-11-19 06:36:03,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:36:03,104 INFO L225 Difference]: With dead ends: 1487 [2022-11-19 06:36:03,105 INFO L226 Difference]: Without dead ends: 1484 [2022-11-19 06:36:03,106 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 [2022-11-19 06:36:03,107 INFO L413 NwaCegarLoop]: 770 mSDtfsCounter, 837 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 837 SdHoareTripleChecker+Valid, 770 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:36:03,108 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [837 Valid, 770 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 06:36:03,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1484 states. [2022-11-19 06:36:03,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1484 to 1484. [2022-11-19 06:36:03,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1484 states, 960 states have (on average 1.365625) internal successors, (1311), 983 states have internal predecessors, (1311), 379 states have call successors, (379), 145 states have call predecessors, (379), 144 states have return successors, (371), 370 states have call predecessors, (371), 371 states have call successors, (371) [2022-11-19 06:36:03,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1484 states and 2061 transitions. [2022-11-19 06:36:03,263 INFO L78 Accepts]: Start accepts. Automaton has 1484 states and 2061 transitions. Word has length 138 [2022-11-19 06:36:03,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:36:03,264 INFO L495 AbstractCegarLoop]: Abstraction has 1484 states and 2061 transitions. [2022-11-19 06:36:03,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-19 06:36:03,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 2061 transitions. [2022-11-19 06:36:03,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2022-11-19 06:36:03,267 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:36:03,268 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:36:03,268 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 06:36:03,268 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:36:03,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:36:03,269 INFO L85 PathProgramCache]: Analyzing trace with hash 1208887576, now seen corresponding path program 1 times [2022-11-19 06:36:03,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:36:03,270 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526466421] [2022-11-19 06:36:03,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:36:03,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:36:03,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:36:03,596 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-19 06:36:03,597 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:36:03,597 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526466421] [2022-11-19 06:36:03,597 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526466421] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:36:03,598 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:36:03,598 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:36:03,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1914555893] [2022-11-19 06:36:03,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:36:03,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:36:03,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:36:03,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:36:03,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:36:03,601 INFO L87 Difference]: Start difference. First operand 1484 states and 2061 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-19 06:36:04,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:36:04,165 INFO L93 Difference]: Finished difference Result 1486 states and 2062 transitions. [2022-11-19 06:36:04,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:36:04,166 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 139 [2022-11-19 06:36:04,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:36:04,175 INFO L225 Difference]: With dead ends: 1486 [2022-11-19 06:36:04,176 INFO L226 Difference]: Without dead ends: 1483 [2022-11-19 06:36:04,180 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 [2022-11-19 06:36:04,182 INFO L413 NwaCegarLoop]: 768 mSDtfsCounter, 834 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 834 SdHoareTripleChecker+Valid, 768 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:36:04,183 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [834 Valid, 768 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 06:36:04,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1483 states. [2022-11-19 06:36:04,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1483 to 1483. [2022-11-19 06:36:04,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1483 states, 960 states have (on average 1.3645833333333333) internal successors, (1310), 982 states have internal predecessors, (1310), 378 states have call successors, (378), 145 states have call predecessors, (378), 144 states have return successors, (371), 370 states have call predecessors, (371), 371 states have call successors, (371) [2022-11-19 06:36:04,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1483 states and 2059 transitions. [2022-11-19 06:36:04,331 INFO L78 Accepts]: Start accepts. Automaton has 1483 states and 2059 transitions. Word has length 139 [2022-11-19 06:36:04,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:36:04,333 INFO L495 AbstractCegarLoop]: Abstraction has 1483 states and 2059 transitions. [2022-11-19 06:36:04,333 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-19 06:36:04,333 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 2059 transitions. [2022-11-19 06:36:04,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-19 06:36:04,337 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:36:04,337 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:36:04,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 06:36:04,338 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:36:04,339 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:36:04,340 INFO L85 PathProgramCache]: Analyzing trace with hash -1179440835, now seen corresponding path program 1 times [2022-11-19 06:36:04,341 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:36:04,343 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1338968668] [2022-11-19 06:36:04,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:36:04,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:36:04,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:36:04,632 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-19 06:36:04,633 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:36:04,635 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1338968668] [2022-11-19 06:36:04,636 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1338968668] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:36:04,636 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:36:04,636 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:36:04,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475530254] [2022-11-19 06:36:04,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:36:04,637 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:36:04,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:36:04,638 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:36:04,638 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:36:04,639 INFO L87 Difference]: Start difference. First operand 1483 states and 2059 transitions. Second operand has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-19 06:36:05,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:36:05,283 INFO L93 Difference]: Finished difference Result 1663 states and 2237 transitions. [2022-11-19 06:36:05,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:36:05,284 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 140 [2022-11-19 06:36:05,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:36:05,294 INFO L225 Difference]: With dead ends: 1663 [2022-11-19 06:36:05,294 INFO L226 Difference]: Without dead ends: 1659 [2022-11-19 06:36:05,296 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 [2022-11-19 06:36:05,297 INFO L413 NwaCegarLoop]: 784 mSDtfsCounter, 652 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 652 SdHoareTripleChecker+Valid, 1012 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 06:36:05,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [652 Valid, 1012 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 06:36:05,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1659 states. [2022-11-19 06:36:05,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1659 to 1655. [2022-11-19 06:36:05,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1655 states, 1052 states have (on average 1.3393536121673004) internal successors, (1409), 1072 states have internal predecessors, (1409), 412 states have call successors, (412), 191 states have call predecessors, (412), 190 states have return successors, (407), 406 states have call predecessors, (407), 407 states have call successors, (407) [2022-11-19 06:36:05,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1655 states and 2228 transitions. [2022-11-19 06:36:05,467 INFO L78 Accepts]: Start accepts. Automaton has 1655 states and 2228 transitions. Word has length 140 [2022-11-19 06:36:05,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:36:05,468 INFO L495 AbstractCegarLoop]: Abstraction has 1655 states and 2228 transitions. [2022-11-19 06:36:05,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.666666666666666) internal successors, (44), 3 states have internal predecessors, (44), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-19 06:36:05,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2228 transitions. [2022-11-19 06:36:05,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2022-11-19 06:36:05,471 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:36:05,471 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:36:05,471 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 06:36:05,472 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:36:05,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:36:05,473 INFO L85 PathProgramCache]: Analyzing trace with hash 2091794619, now seen corresponding path program 1 times [2022-11-19 06:36:05,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:36:05,473 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679265518] [2022-11-19 06:36:05,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:36:05,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:36:05,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:36:05,823 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-19 06:36:05,823 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:36:05,824 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679265518] [2022-11-19 06:36:05,824 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679265518] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:36:05,824 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:36:05,824 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:36:05,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123007965] [2022-11-19 06:36:05,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:36:05,825 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:36:05,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:36:05,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:36:05,826 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:36:05,826 INFO L87 Difference]: Start difference. First operand 1655 states and 2228 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-19 06:36:06,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:36:06,482 INFO L93 Difference]: Finished difference Result 1657 states and 2229 transitions. [2022-11-19 06:36:06,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:36:06,483 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 141 [2022-11-19 06:36:06,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:36:06,494 INFO L225 Difference]: With dead ends: 1657 [2022-11-19 06:36:06,494 INFO L226 Difference]: Without dead ends: 1654 [2022-11-19 06:36:06,496 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 [2022-11-19 06:36:06,499 INFO L413 NwaCegarLoop]: 762 mSDtfsCounter, 826 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 826 SdHoareTripleChecker+Valid, 762 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:36:06,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [826 Valid, 762 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 06:36:06,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1654 states. [2022-11-19 06:36:06,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1654 to 1654. [2022-11-19 06:36:06,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1654 states, 1052 states have (on average 1.338403041825095) internal successors, (1408), 1071 states have internal predecessors, (1408), 411 states have call successors, (411), 191 states have call predecessors, (411), 190 states have return successors, (407), 406 states have call predecessors, (407), 407 states have call successors, (407) [2022-11-19 06:36:06,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1654 states to 1654 states and 2226 transitions. [2022-11-19 06:36:06,685 INFO L78 Accepts]: Start accepts. Automaton has 1654 states and 2226 transitions. Word has length 141 [2022-11-19 06:36:06,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:36:06,686 INFO L495 AbstractCegarLoop]: Abstraction has 1654 states and 2226 transitions. [2022-11-19 06:36:06,686 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-19 06:36:06,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 2226 transitions. [2022-11-19 06:36:06,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-11-19 06:36:06,690 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:36:06,690 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:36:06,690 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 06:36:06,690 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:36:06,691 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:36:06,691 INFO L85 PathProgramCache]: Analyzing trace with hash 420883456, now seen corresponding path program 1 times [2022-11-19 06:36:06,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:36:06,692 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043817790] [2022-11-19 06:36:06,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:36:06,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:36:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:36:07,039 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-19 06:36:07,039 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:36:07,040 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043817790] [2022-11-19 06:36:07,040 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2043817790] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:36:07,040 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:36:07,041 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:36:07,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558177708] [2022-11-19 06:36:07,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:36:07,042 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:36:07,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:36:07,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:36:07,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:36:07,043 INFO L87 Difference]: Start difference. First operand 1654 states and 2226 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-19 06:36:08,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:36:08,282 INFO L93 Difference]: Finished difference Result 2865 states and 3849 transitions. [2022-11-19 06:36:08,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:36:08,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 142 [2022-11-19 06:36:08,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:36:08,299 INFO L225 Difference]: With dead ends: 2865 [2022-11-19 06:36:08,300 INFO L226 Difference]: Without dead ends: 2843 [2022-11-19 06:36:08,302 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 [2022-11-19 06:36:08,303 INFO L413 NwaCegarLoop]: 871 mSDtfsCounter, 579 mSDsluCounter, 700 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 1571 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-19 06:36:08,303 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 1571 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-19 06:36:08,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2843 states. [2022-11-19 06:36:08,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2843 to 2840. [2022-11-19 06:36:08,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2840 states, 1835 states have (on average 1.3455040871934605) internal successors, (2469), 1861 states have internal predecessors, (2469), 667 states have call successors, (667), 342 states have call predecessors, (667), 337 states have return successors, (679), 656 states have call predecessors, (679), 663 states have call successors, (679) [2022-11-19 06:36:08,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2840 states to 2840 states and 3815 transitions. [2022-11-19 06:36:08,643 INFO L78 Accepts]: Start accepts. Automaton has 2840 states and 3815 transitions. Word has length 142 [2022-11-19 06:36:08,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:36:08,644 INFO L495 AbstractCegarLoop]: Abstraction has 2840 states and 3815 transitions. [2022-11-19 06:36:08,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 3 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2022-11-19 06:36:08,644 INFO L276 IsEmpty]: Start isEmpty. Operand 2840 states and 3815 transitions. [2022-11-19 06:36:08,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-11-19 06:36:08,650 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:36:08,650 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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] [2022-11-19 06:36:08,651 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 06:36:08,651 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:36:08,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:36:08,652 INFO L85 PathProgramCache]: Analyzing trace with hash -380145395, now seen corresponding path program 1 times [2022-11-19 06:36:08,652 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:36:08,652 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450523564] [2022-11-19 06:36:08,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:36:08,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:36:08,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:36:09,052 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2022-11-19 06:36:09,053 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:36:09,053 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450523564] [2022-11-19 06:36:09,053 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [450523564] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:36:09,054 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:36:09,054 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:36:09,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1453645002] [2022-11-19 06:36:09,054 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:36:09,056 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:36:09,056 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:36:09,056 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:36:09,057 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:36:09,057 INFO L87 Difference]: Start difference. First operand 2840 states and 3815 transitions. Second operand has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-19 06:36:10,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:36:10,241 INFO L93 Difference]: Finished difference Result 5654 states and 7595 transitions. [2022-11-19 06:36:10,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:36:10,242 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 190 [2022-11-19 06:36:10,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:36:10,258 INFO L225 Difference]: With dead ends: 5654 [2022-11-19 06:36:10,259 INFO L226 Difference]: Without dead ends: 2848 [2022-11-19 06:36:10,267 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 [2022-11-19 06:36:10,270 INFO L413 NwaCegarLoop]: 765 mSDtfsCounter, 1 mSDsluCounter, 759 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1524 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-19 06:36:10,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1524 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-19 06:36:10,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2848 states. [2022-11-19 06:36:10,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2848 to 2842. [2022-11-19 06:36:10,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2842 states, 1837 states have (on average 1.3451279259662494) internal successors, (2471), 1863 states have internal predecessors, (2471), 667 states have call successors, (667), 342 states have call predecessors, (667), 337 states have return successors, (679), 656 states have call predecessors, (679), 663 states have call successors, (679) [2022-11-19 06:36:10,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2842 states to 2842 states and 3817 transitions. [2022-11-19 06:36:10,565 INFO L78 Accepts]: Start accepts. Automaton has 2842 states and 3817 transitions. Word has length 190 [2022-11-19 06:36:10,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:36:10,566 INFO L495 AbstractCegarLoop]: Abstraction has 2842 states and 3817 transitions. [2022-11-19 06:36:10,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-19 06:36:10,566 INFO L276 IsEmpty]: Start isEmpty. Operand 2842 states and 3817 transitions. [2022-11-19 06:36:10,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2022-11-19 06:36:10,572 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:36:10,573 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:36:10,573 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 06:36:10,573 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:36:10,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:36:10,574 INFO L85 PathProgramCache]: Analyzing trace with hash -2143200981, now seen corresponding path program 1 times [2022-11-19 06:36:10,574 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:36:10,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1146679301] [2022-11-19 06:36:10,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:36:10,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:36:10,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:36:11,209 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 390 trivial. 0 not checked. [2022-11-19 06:36:11,209 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:36:11,209 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1146679301] [2022-11-19 06:36:11,210 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1146679301] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:36:11,210 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208296555] [2022-11-19 06:36:11,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:36:11,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:36:11,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad1a7e4-2ca9-45fe-a304-3f0321dae1ca/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:36:11,217 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad1a7e4-2ca9-45fe-a304-3f0321dae1ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:36:11,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad1a7e4-2ca9-45fe-a304-3f0321dae1ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 06:36:12,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:36:12,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 2454 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 06:36:12,265 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:36:12,308 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 391 trivial. 0 not checked. [2022-11-19 06:36:12,309 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:36:12,309 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1208296555] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:36:12,309 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 06:36:12,310 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-19 06:36:12,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018488480] [2022-11-19 06:36:12,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:36:12,311 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:36:12,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:36:12,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:36:12,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:36:12,312 INFO L87 Difference]: Start difference. First operand 2842 states and 3817 transitions. Second operand has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-19 06:36:13,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:36:13,509 INFO L93 Difference]: Finished difference Result 4532 states and 6065 transitions. [2022-11-19 06:36:13,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:36:13,510 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 198 [2022-11-19 06:36:13,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:36:13,522 INFO L225 Difference]: With dead ends: 4532 [2022-11-19 06:36:13,522 INFO L226 Difference]: Without dead ends: 1722 [2022-11-19 06:36:13,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:36:13,533 INFO L413 NwaCegarLoop]: 763 mSDtfsCounter, 9 mSDsluCounter, 758 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 1521 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2022-11-19 06:36:13,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 1521 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-19 06:36:13,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1722 states. [2022-11-19 06:36:13,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1722 to 1706. [2022-11-19 06:36:13,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1706 states, 1105 states have (on average 1.3429864253393664) internal successors, (1484), 1122 states have internal predecessors, (1484), 394 states have call successors, (394), 209 states have call predecessors, (394), 206 states have return successors, (398), 386 states have call predecessors, (398), 390 states have call successors, (398) [2022-11-19 06:36:13,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1706 states to 1706 states and 2276 transitions. [2022-11-19 06:36:13,795 INFO L78 Accepts]: Start accepts. Automaton has 1706 states and 2276 transitions. Word has length 198 [2022-11-19 06:36:13,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:36:13,797 INFO L495 AbstractCegarLoop]: Abstraction has 1706 states and 2276 transitions. [2022-11-19 06:36:13,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 22.666666666666668) internal successors, (68), 3 states have internal predecessors, (68), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-19 06:36:13,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 2276 transitions. [2022-11-19 06:36:13,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2022-11-19 06:36:13,805 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:36:13,805 INFO L195 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:36:13,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad1a7e4-2ca9-45fe-a304-3f0321dae1ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-11-19 06:36:14,016 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad1a7e4-2ca9-45fe-a304-3f0321dae1ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-19 06:36:14,017 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:36:14,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:36:14,017 INFO L85 PathProgramCache]: Analyzing trace with hash -848666624, now seen corresponding path program 1 times [2022-11-19 06:36:14,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:36:14,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156847567] [2022-11-19 06:36:14,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:36:14,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:36:14,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:36:14,518 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 470 trivial. 0 not checked. [2022-11-19 06:36:14,519 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:36:14,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156847567] [2022-11-19 06:36:14,519 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156847567] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:36:14,519 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1754714573] [2022-11-19 06:36:14,520 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:36:14,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:36:14,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad1a7e4-2ca9-45fe-a304-3f0321dae1ca/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:36:14,521 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad1a7e4-2ca9-45fe-a304-3f0321dae1ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:36:14,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9ad1a7e4-2ca9-45fe-a304-3f0321dae1ca/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 06:36:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:36:15,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 2530 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-19 06:36:15,569 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:36:15,666 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 183 proven. 1 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2022-11-19 06:36:15,666 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:36:16,024 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 3 proven. 1 refuted. 0 times theorem prover too weak. 470 trivial. 0 not checked. [2022-11-19 06:36:16,024 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1754714573] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-19 06:36:16,025 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1894889420] [2022-11-19 06:36:16,052 INFO L159 IcfgInterpreter]: Started Sifa with 101 locations of interest [2022-11-19 06:36:16,053 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:36:16,057 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:36:16,064 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:36:16,064 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:36:17,445 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 16 select indices, 16 select index equivalence classes, 136 disjoint index pairs (out of 120 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 652 treesize of output 563 [2022-11-19 06:36:18,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:18,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:18,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:18,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:18,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:18,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:18,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:18,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:18,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:18,369 INFO L217 Elim1Store]: Index analysis took 637 ms [2022-11-19 06:36:56,109 WARN L233 SmtUtils]: Spent 37.69s on a formula simplification. DAG size of input: 1680 DAG size of output: 674 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 06:36:56,117 INFO L321 Elim1Store]: treesize reduction 9601, result has 14.0 percent of original size [2022-11-19 06:36:56,119 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 46 select indices, 46 select index equivalence classes, 1053 disjoint index pairs (out of 1035 index pairs), introduced 46 new quantified variables, introduced 53 case distinctions, treesize of input 261 treesize of output 1711 [2022-11-19 06:36:57,359 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 704 treesize of output 572 [2022-11-19 06:36:58,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:36:59,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:00,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:00,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:01,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:01,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:01,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:02,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:02,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:37:02,322 INFO L217 Elim1Store]: Index analysis took 4111 ms [2022-11-19 06:38:07,433 WARN L233 SmtUtils]: Spent 1.08m on a formula simplification. DAG size of input: 2520 DAG size of output: 1018 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 06:38:07,439 INFO L321 Elim1Store]: treesize reduction 12806, result has 12.8 percent of original size [2022-11-19 06:38:07,441 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 56 select indices, 56 select index equivalence classes, 1099 disjoint index pairs (out of 1540 index pairs), introduced 56 new quantified variables, introduced 502 case distinctions, treesize of input 455 treesize of output 2213 [2022-11-19 06:38:09,526 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 710 treesize of output 578 [2022-11-19 06:38:18,126 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 [2022-11-19 06:38:18,131 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 [2022-11-19 06:38:18,139 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 7 treesize of output 6 [2022-11-19 06:38:21,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:21,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:21,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:21,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:21,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:21,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:21,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:21,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:21,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:21,719 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 55 select indices, 55 select index equivalence classes, 1494 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 276 treesize of output 166 [2022-11-19 06:38:22,410 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 153 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 737 treesize of output 551 [2022-11-19 06:38:22,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:22,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:22,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:22,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:22,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:22,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:22,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:22,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:22,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:22,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:22,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:22,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:22,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:22,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:22,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:22,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:22,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:22,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:22,667 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 171 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 58 [2022-11-19 06:38:22,812 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-11-19 06:38:22,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:22,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:22,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:22,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:22,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:22,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:22,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:22,976 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 41 [2022-11-19 06:38:23,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:23,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:23,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:23,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:23,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:23,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:23,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:23,140 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 25 [2022-11-19 06:38:23,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:23,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:23,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:23,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:23,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:23,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:23,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:23,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:23,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:23,804 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 56 select indices, 56 select index equivalence classes, 1540 disjoint index pairs (out of 1540 index pairs), introduced 56 new quantified variables, introduced 0 case distinctions, treesize of input 281 treesize of output 169 [2022-11-19 06:38:34,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:34,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:34,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:34,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:34,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:34,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:34,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:34,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:34,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:34,492 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 55 select indices, 55 select index equivalence classes, 1494 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 276 treesize of output 166 [2022-11-19 06:38:34,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:34,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:34,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:34,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:34,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:34,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:34,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:34,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:34,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:34,921 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 56 select indices, 56 select index equivalence classes, 1540 disjoint index pairs (out of 1540 index pairs), introduced 56 new quantified variables, introduced 0 case distinctions, treesize of input 281 treesize of output 169 [2022-11-19 06:38:35,296 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 18 select indices, 18 select index equivalence classes, 153 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 737 treesize of output 551 [2022-11-19 06:38:35,432 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 10 [2022-11-19 06:38:35,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:35,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:35,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:35,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:35,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:35,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:35,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:35,567 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 25 [2022-11-19 06:38:35,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:35,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:35,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:35,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:35,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:35,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:35,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:35,729 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 41 [2022-11-19 06:38:35,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:35,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:35,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:35,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:35,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:35,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:35,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:35,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:35,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:35,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:35,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:35,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:35,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:35,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:35,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:35,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:35,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:35,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:38:35,916 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 171 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 58 [2022-11-19 06:38:44,267 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 06:38:44,676 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 [2022-11-19 06:38:44,845 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 [2022-11-19 06:38:48,849 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 [2022-11-19 06:38:49,412 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 06:38:49,632 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 [2022-11-19 06:38:58,191 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 [2022-11-19 06:38:58,743 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 06:38:58,853 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 [2022-11-19 06:39:02,520 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 06:39:03,260 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 [2022-11-19 06:39:03,394 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 [2022-11-19 06:39:56,655 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 [2022-11-19 06:39:57,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 06:39:57,625 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 [2022-11-19 06:39:58,782 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:39:58,834 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:39:58,877 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:41:21,807 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 06:41:22,208 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 [2022-11-19 06:41:22,470 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 [2022-11-19 06:41:24,093 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:41:24,137 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:41:24,163 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:41:33,195 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 [2022-11-19 06:41:33,362 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 [2022-11-19 06:41:33,517 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 06:41:37,866 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 [2022-11-19 06:41:38,506 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 06:41:38,689 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 [2022-11-19 06:41:46,605 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 06:41:47,332 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 [2022-11-19 06:41:47,547 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 [2022-11-19 06:41:51,436 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 [2022-11-19 06:41:52,153 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 [2022-11-19 06:41:52,375 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-19 06:42:38,224 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_memset with input of size 782 for LOIs [2022-11-19 06:42:39,434 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_init_zalloc with input of size 2107 for LOIs [2022-11-19 06:42:45,931 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 [2022-11-19 06:42:52,171 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 [2022-11-19 06:43:01,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:01,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:02,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:02,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:02,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:02,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:02,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:02,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:02,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:02,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:02,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:02,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:02,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:02,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:02,033 INFO L217 Elim1Store]: Index analysis took 191 ms [2022-11-19 06:43:02,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:02,320 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 55 select indices, 55 select index equivalence classes, 1551 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 284 treesize of output 1 [2022-11-19 06:43:21,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:21,957 INFO L217 Elim1Store]: Index analysis took 177 ms [2022-11-19 06:43:22,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:22,196 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 55 select indices, 55 select index equivalence classes, 1551 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 284 treesize of output 1 [2022-11-19 06:43:39,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:43:39,900 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 55 select indices, 55 select index equivalence classes, 1551 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 284 treesize of output 1 [2022-11-19 06:43:39,958 INFO L197 IcfgInterpreter]: Interpreting procedure #Ultimate.meminit with input of size 205 for LOIs [2022-11-19 06:43:39,986 INFO L197 IcfgInterpreter]: Interpreting procedure assume_abort_if_not with input of size 103 for LOIs [2022-11-19 06:43:40,004 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-19 06:44:38,578 WARN L233 SmtUtils]: Spent 58.40s on a formula simplification. DAG size of input: 2023 DAG size of output: 1175 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:45:41,523 WARN L233 SmtUtils]: Spent 51.15s on a formula simplification. DAG size of input: 1561 DAG size of output: 1532 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:46:35,017 WARN L233 SmtUtils]: Spent 52.82s on a formula simplification. DAG size of input: 1564 DAG size of output: 1535 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:47:27,835 WARN L233 SmtUtils]: Spent 51.80s on a formula simplification. DAG size of input: 1579 DAG size of output: 1547 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:48:21,550 WARN L233 SmtUtils]: Spent 52.92s on a formula simplification. DAG size of input: 1583 DAG size of output: 1551 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-19 06:49:45,434 WARN L233 SmtUtils]: Spent 1.38m on a formula simplification. DAG size of input: 1714 DAG size of output: 1577 (called from [L 361] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)