./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-08_1a-drivers--char--raw.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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d053eeb7-3751-41be-a2e9-fde734290d55/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d053eeb7-3751-41be-a2e9-fde734290d55/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_d053eeb7-3751-41be-a2e9-fde734290d55/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d053eeb7-3751-41be-a2e9-fde734290d55/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d053eeb7-3751-41be-a2e9-fde734290d55/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_d053eeb7-3751-41be-a2e9-fde734290d55/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 793a6c625c75092f747de022bbd4fd421346f4483d489a12fa5057c55b9e4cfa --- 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 06:53:36,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 06:53:36,757 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 06:53:36,780 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 06:53:36,781 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 06:53:36,782 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 06:53:36,783 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 06:53:36,785 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 06:53:36,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 06:53:36,788 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 06:53:36,789 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 06:53:36,791 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 06:53:36,791 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 06:53:36,792 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 06:53:36,793 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 06:53:36,795 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 06:53:36,796 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 06:53:36,797 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 06:53:36,799 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 06:53:36,801 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 06:53:36,802 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 06:53:36,804 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 06:53:36,805 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 06:53:36,806 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 06:53:36,810 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 06:53:36,810 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 06:53:36,811 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 06:53:36,812 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 06:53:36,812 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 06:53:36,813 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 06:53:36,813 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 06:53:36,814 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 06:53:36,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 06:53:36,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 06:53:36,817 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 06:53:36,818 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 06:53:36,818 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 06:53:36,819 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 06:53:36,819 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 06:53:36,820 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 06:53:36,821 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 06:53:36,822 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d053eeb7-3751-41be-a2e9-fde734290d55/bin/utaipan-I9t0OCRTmS/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-19 06:53:36,845 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 06:53:36,845 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 06:53:36,846 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 06:53:36,846 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 06:53:36,847 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 06:53:36,847 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 06:53:36,847 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 06:53:36,848 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 06:53:36,848 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 06:53:36,848 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 06:53:36,848 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 06:53:36,849 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 06:53:36,849 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 06:53:36,849 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 06:53:36,849 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 06:53:36,850 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 06:53:36,850 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 06:53:36,850 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 06:53:36,851 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 06:53:36,851 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 06:53:36,852 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 06:53:36,852 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 06:53:36,852 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 06:53:36,852 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 06:53:36,853 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 06:53:36,853 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 06:53:36,853 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 06:53:36,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 06:53:36,854 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 06:53:36,854 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:53:36,854 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 06:53:36,855 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 06:53:36,855 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 06:53:36,855 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 06:53:36,855 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 06:53:36,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 06:53:36,856 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 06:53:36,856 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 06:53:36,857 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_d053eeb7-3751-41be-a2e9-fde734290d55/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d053eeb7-3751-41be-a2e9-fde734290d55/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 793a6c625c75092f747de022bbd4fd421346f4483d489a12fa5057c55b9e4cfa [2022-11-19 06:53:37,114 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 06:53:37,157 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 06:53:37,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 06:53:37,161 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 06:53:37,162 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 06:53:37,163 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d053eeb7-3751-41be-a2e9-fde734290d55/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i [2022-11-19 06:53:37,235 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d053eeb7-3751-41be-a2e9-fde734290d55/bin/utaipan-I9t0OCRTmS/data/5e2234e2a/5f8a0a72284c4ea096db55f5ba272271/FLAG2a6670483 [2022-11-19 06:53:37,871 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 06:53:37,872 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d053eeb7-3751-41be-a2e9-fde734290d55/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i [2022-11-19 06:53:37,910 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d053eeb7-3751-41be-a2e9-fde734290d55/bin/utaipan-I9t0OCRTmS/data/5e2234e2a/5f8a0a72284c4ea096db55f5ba272271/FLAG2a6670483 [2022-11-19 06:53:38,047 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d053eeb7-3751-41be-a2e9-fde734290d55/bin/utaipan-I9t0OCRTmS/data/5e2234e2a/5f8a0a72284c4ea096db55f5ba272271 [2022-11-19 06:53:38,050 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 06:53:38,051 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 06:53:38,055 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 06:53:38,056 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 06:53:38,059 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 06:53:38,060 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:53:38" (1/1) ... [2022-11-19 06:53:38,061 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1afbba54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:53:38, skipping insertion in model container [2022-11-19 06:53:38,062 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 06:53:38" (1/1) ... [2022-11-19 06:53:38,069 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 06:53:38,178 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 06:53:39,154 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_d053eeb7-3751-41be-a2e9-fde734290d55/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i[135044,135057] [2022-11-19 06:53:39,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:53:39,229 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 06:53:39,488 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_d053eeb7-3751-41be-a2e9-fde734290d55/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i[135044,135057] [2022-11-19 06:53:39,500 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 06:53:39,541 INFO L208 MainTranslator]: Completed translation [2022-11-19 06:53:39,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:53:39 WrapperNode [2022-11-19 06:53:39,542 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 06:53:39,543 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 06:53:39,543 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 06:53:39,543 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 06:53:39,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:53:39" (1/1) ... [2022-11-19 06:53:39,595 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:53:39" (1/1) ... [2022-11-19 06:53:39,725 INFO L138 Inliner]: procedures = 114, calls = 417, calls flagged for inlining = 49, calls inlined = 46, statements flattened = 1207 [2022-11-19 06:53:39,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 06:53:39,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 06:53:39,729 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 06:53:39,730 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 06:53:39,741 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:53:39" (1/1) ... [2022-11-19 06:53:39,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:53:39" (1/1) ... [2022-11-19 06:53:39,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:53:39" (1/1) ... [2022-11-19 06:53:39,758 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:53:39" (1/1) ... [2022-11-19 06:53:39,801 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:53:39" (1/1) ... [2022-11-19 06:53:39,820 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:53:39" (1/1) ... [2022-11-19 06:53:39,826 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:53:39" (1/1) ... [2022-11-19 06:53:39,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:53:39" (1/1) ... [2022-11-19 06:53:39,857 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 06:53:39,870 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 06:53:39,870 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 06:53:39,870 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 06:53:39,871 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:53:39" (1/1) ... [2022-11-19 06:53:39,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 06:53:39,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d053eeb7-3751-41be-a2e9-fde734290d55/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:53:39,907 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d053eeb7-3751-41be-a2e9-fde734290d55/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 06:53:39,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d053eeb7-3751-41be-a2e9-fde734290d55/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 06:53:39,959 INFO L130 BoogieDeclarations]: Found specification of procedure raw_open [2022-11-19 06:53:39,959 INFO L138 BoogieDeclarations]: Found implementation of procedure raw_open [2022-11-19 06:53:39,960 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2022-11-19 06:53:39,960 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2022-11-19 06:53:39,960 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-19 06:53:39,960 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-19 06:53:39,960 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 06:53:39,960 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-19 06:53:39,961 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-19 06:53:39,961 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_read_iter [2022-11-19 06:53:39,961 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_read_iter [2022-11-19 06:53:39,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-19 06:53:39,961 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-19 06:53:39,961 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-19 06:53:39,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-19 06:53:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure bind_get [2022-11-19 06:53:39,962 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_get [2022-11-19 06:53:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 06:53:39,962 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-19 06:53:39,962 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-19 06:53:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-19 06:53:39,963 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-19 06:53:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-19 06:53:39,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-19 06:53:39,963 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-19 06:53:39,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-19 06:53:39,964 INFO L130 BoogieDeclarations]: Found specification of procedure bind_set [2022-11-19 06:53:39,964 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_set [2022-11-19 06:53:39,964 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_put [2022-11-19 06:53:39,964 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_put [2022-11-19 06:53:39,964 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-19 06:53:39,964 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-19 06:53:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-19 06:53:39,965 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-19 06:53:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-19 06:53:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-19 06:53:39,965 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-19 06:53:39,965 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-19 06:53:39,966 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-19 06:53:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 06:53:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 06:53:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-19 06:53:39,966 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-19 06:53:39,968 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-19 06:53:39,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-19 06:53:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-11-19 06:53:39,969 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-11-19 06:53:39,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 06:53:39,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-19 06:53:39,971 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_fsync [2022-11-19 06:53:39,971 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_fsync [2022-11-19 06:53:39,972 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-19 06:53:39,973 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-19 06:53:39,973 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2022-11-19 06:53:39,973 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2022-11-19 06:53:39,973 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2022-11-19 06:53:39,974 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2022-11-19 06:53:39,974 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-19 06:53:39,974 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-19 06:53:39,975 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_write_iter [2022-11-19 06:53:39,975 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_write_iter [2022-11-19 06:53:39,975 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 06:53:39,975 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 06:53:39,975 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 06:53:39,975 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-19 06:53:39,976 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-19 06:53:40,415 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 06:53:40,417 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 06:53:40,714 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-19 06:53:41,576 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 06:53:41,906 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 06:53:41,906 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 06:53:41,911 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:53:41 BoogieIcfgContainer [2022-11-19 06:53:41,911 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 06:53:41,916 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 06:53:41,917 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 06:53:41,920 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 06:53:41,921 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 06:53:38" (1/3) ... [2022-11-19 06:53:41,922 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30f76757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:53:41, skipping insertion in model container [2022-11-19 06:53:41,923 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 06:53:39" (2/3) ... [2022-11-19 06:53:41,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30f76757 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 06:53:41, skipping insertion in model container [2022-11-19 06:53:41,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 06:53:41" (3/3) ... [2022-11-19 06:53:41,926 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i [2022-11-19 06:53:41,947 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 06:53:41,947 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-19 06:53:42,034 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 06:53:42,043 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;@78272358, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 06:53:42,044 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-19 06:53:42,050 INFO L276 IsEmpty]: Start isEmpty. Operand has 289 states, 182 states have (on average 1.39010989010989) internal successors, (253), 191 states have internal predecessors, (253), 79 states have call successors, (79), 27 states have call predecessors, (79), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) [2022-11-19 06:53:42,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-19 06:53:42,069 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:53:42,070 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:53:42,071 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:53:42,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:53:42,076 INFO L85 PathProgramCache]: Analyzing trace with hash -2045019332, now seen corresponding path program 1 times [2022-11-19 06:53:42,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:53:42,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1563671618] [2022-11-19 06:53:42,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:53:42,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:53:42,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:53:43,019 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 06:53:43,019 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:53:43,020 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1563671618] [2022-11-19 06:53:43,020 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1563671618] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:53:43,021 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:53:43,021 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:53:43,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307136029] [2022-11-19 06:53:43,027 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:53:43,032 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:53:43,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:53:43,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:53:43,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:53:43,078 INFO L87 Difference]: Start difference. First operand has 289 states, 182 states have (on average 1.39010989010989) internal successors, (253), 191 states have internal predecessors, (253), 79 states have call successors, (79), 27 states have call predecessors, (79), 26 states have return successors, (75), 75 states have call predecessors, (75), 75 states have call successors, (75) 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, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-19 06:53:43,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:53:43,829 INFO L93 Difference]: Finished difference Result 762 states and 1076 transitions. [2022-11-19 06:53:43,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:53:43,832 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, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 131 [2022-11-19 06:53:43,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:53:43,846 INFO L225 Difference]: With dead ends: 762 [2022-11-19 06:53:43,846 INFO L226 Difference]: Without dead ends: 497 [2022-11-19 06:53:43,855 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 06:53:43,860 INFO L413 NwaCegarLoop]: 402 mSDtfsCounter, 327 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-19 06:53:43,862 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 719 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-19 06:53:43,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2022-11-19 06:53:43,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 494. [2022-11-19 06:53:43,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 322 states have (on average 1.375776397515528) internal successors, (443), 326 states have internal predecessors, (443), 122 states have call successors, (122), 50 states have call predecessors, (122), 49 states have return successors, (120), 120 states have call predecessors, (120), 120 states have call successors, (120) [2022-11-19 06:53:44,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 685 transitions. [2022-11-19 06:53:44,009 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 685 transitions. Word has length 131 [2022-11-19 06:53:44,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:53:44,011 INFO L495 AbstractCegarLoop]: Abstraction has 494 states and 685 transitions. [2022-11-19 06:53:44,011 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, (22), 2 states have call predecessors, (22), 1 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2022-11-19 06:53:44,011 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 685 transitions. [2022-11-19 06:53:44,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-19 06:53:44,023 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:53:44,024 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:53:44,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 06:53:44,024 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:53:44,025 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:53:44,025 INFO L85 PathProgramCache]: Analyzing trace with hash -892342257, now seen corresponding path program 1 times [2022-11-19 06:53:44,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:53:44,027 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469706190] [2022-11-19 06:53:44,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:53:44,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:53:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:53:44,473 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 06:53:44,473 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:53:44,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469706190] [2022-11-19 06:53:44,474 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469706190] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:53:44,474 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:53:44,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:53:44,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890686242] [2022-11-19 06:53:44,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:53:44,477 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:53:44,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:53:44,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:53:44,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:53:44,479 INFO L87 Difference]: Start difference. First operand 494 states and 685 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-19 06:53:44,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:53:44,958 INFO L93 Difference]: Finished difference Result 1387 states and 1936 transitions. [2022-11-19 06:53:44,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:53:44,959 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 130 [2022-11-19 06:53:44,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:53:44,973 INFO L225 Difference]: With dead ends: 1387 [2022-11-19 06:53:44,973 INFO L226 Difference]: Without dead ends: 925 [2022-11-19 06:53:44,979 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 06:53:44,981 INFO L413 NwaCegarLoop]: 392 mSDtfsCounter, 338 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 338 SdHoareTripleChecker+Valid, 678 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:53:44,983 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [338 Valid, 678 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 06:53:44,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2022-11-19 06:53:45,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 921. [2022-11-19 06:53:45,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 921 states, 608 states have (on average 1.3898026315789473) internal successors, (845), 615 states have internal predecessors, (845), 219 states have call successors, (219), 94 states have call predecessors, (219), 93 states have return successors, (221), 217 states have call predecessors, (221), 217 states have call successors, (221) [2022-11-19 06:53:45,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1285 transitions. [2022-11-19 06:53:45,073 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1285 transitions. Word has length 130 [2022-11-19 06:53:45,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:53:45,077 INFO L495 AbstractCegarLoop]: Abstraction has 921 states and 1285 transitions. [2022-11-19 06:53:45,077 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, (20), 2 states have call predecessors, (20), 1 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2022-11-19 06:53:45,077 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1285 transitions. [2022-11-19 06:53:45,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-19 06:53:45,082 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:53:45,083 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 06:53:45,084 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 06:53:45,084 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:53:45,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:53:45,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1689412853, now seen corresponding path program 1 times [2022-11-19 06:53:45,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:53:45,094 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068026894] [2022-11-19 06:53:45,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:53:45,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:53:45,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:53:45,423 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 06:53:45,423 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:53:45,423 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068026894] [2022-11-19 06:53:45,424 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068026894] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:53:45,424 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:53:45,424 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:53:45,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636569617] [2022-11-19 06:53:45,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:53:45,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:53:45,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:53:45,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:53:45,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:53:45,427 INFO L87 Difference]: Start difference. First operand 921 states and 1285 transitions. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-19 06:53:45,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:53:45,812 INFO L93 Difference]: Finished difference Result 1790 states and 2462 transitions. [2022-11-19 06:53:45,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:53:45,813 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 148 [2022-11-19 06:53:45,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:53:45,820 INFO L225 Difference]: With dead ends: 1790 [2022-11-19 06:53:45,820 INFO L226 Difference]: Without dead ends: 913 [2022-11-19 06:53:45,822 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 06:53:45,829 INFO L413 NwaCegarLoop]: 371 mSDtfsCounter, 224 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 647 SdHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 06:53:45,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 647 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 06:53:45,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2022-11-19 06:53:45,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 903. [2022-11-19 06:53:45,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 903 states, 588 states have (on average 1.369047619047619) internal successors, (805), 596 states have internal predecessors, (805), 210 states have call successors, (210), 105 states have call predecessors, (210), 104 states have return successors, (210), 207 states have call predecessors, (210), 208 states have call successors, (210) [2022-11-19 06:53:45,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1225 transitions. [2022-11-19 06:53:45,901 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1225 transitions. Word has length 148 [2022-11-19 06:53:45,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:53:45,903 INFO L495 AbstractCegarLoop]: Abstraction has 903 states and 1225 transitions. [2022-11-19 06:53:45,903 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2022-11-19 06:53:45,904 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1225 transitions. [2022-11-19 06:53:45,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-19 06:53:45,909 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:53:45,909 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:53:45,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 06:53:45,911 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:53:45,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:53:45,913 INFO L85 PathProgramCache]: Analyzing trace with hash 1920698430, now seen corresponding path program 1 times [2022-11-19 06:53:45,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:53:45,915 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631526678] [2022-11-19 06:53:45,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:53:45,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:53:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:53:46,397 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2022-11-19 06:53:46,397 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:53:46,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631526678] [2022-11-19 06:53:46,397 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631526678] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:53:46,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:53:46,398 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-19 06:53:46,398 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1010572062] [2022-11-19 06:53:46,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:53:46,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 06:53:46,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:53:46,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 06:53:46,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 06:53:46,405 INFO L87 Difference]: Start difference. First operand 903 states and 1225 transitions. Second operand has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-19 06:53:46,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:53:46,948 INFO L93 Difference]: Finished difference Result 1960 states and 2655 transitions. [2022-11-19 06:53:46,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 06:53:46,954 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) Word has length 191 [2022-11-19 06:53:46,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:53:46,962 INFO L225 Difference]: With dead ends: 1960 [2022-11-19 06:53:46,962 INFO L226 Difference]: Without dead ends: 1188 [2022-11-19 06:53:46,965 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 06:53:46,972 INFO L413 NwaCegarLoop]: 474 mSDtfsCounter, 193 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 783 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 06:53:46,973 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 783 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 06:53:46,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1188 states. [2022-11-19 06:53:47,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1188 to 1175. [2022-11-19 06:53:47,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1175 states, 776 states have (on average 1.375) internal successors, (1067), 784 states have internal predecessors, (1067), 262 states have call successors, (262), 137 states have call predecessors, (262), 136 states have return successors, (262), 259 states have call predecessors, (262), 260 states have call successors, (262) [2022-11-19 06:53:47,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 1591 transitions. [2022-11-19 06:53:47,053 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 1591 transitions. Word has length 191 [2022-11-19 06:53:47,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:53:47,054 INFO L495 AbstractCegarLoop]: Abstraction has 1175 states and 1591 transitions. [2022-11-19 06:53:47,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 23.0) internal successors, (69), 3 states have internal predecessors, (69), 3 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (26), 3 states have call predecessors, (26), 3 states have call successors, (26) [2022-11-19 06:53:47,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1591 transitions. [2022-11-19 06:53:47,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-11-19 06:53:47,060 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:53:47,060 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:53:47,060 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 06:53:47,061 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:53:47,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:53:47,061 INFO L85 PathProgramCache]: Analyzing trace with hash 743636231, now seen corresponding path program 1 times [2022-11-19 06:53:47,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:53:47,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1972575823] [2022-11-19 06:53:47,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:53:47,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:53:47,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:53:48,346 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2022-11-19 06:53:48,346 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:53:48,346 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1972575823] [2022-11-19 06:53:48,346 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1972575823] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:53:48,347 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 06:53:48,347 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 06:53:48,347 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1207302868] [2022-11-19 06:53:48,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:53:48,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:53:48,348 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:53:48,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:53:48,348 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-19 06:53:48,349 INFO L87 Difference]: Start difference. First operand 1175 states and 1591 transitions. Second operand has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-19 06:53:49,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:53:49,084 INFO L93 Difference]: Finished difference Result 3261 states and 4398 transitions. [2022-11-19 06:53:49,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-19 06:53:49,085 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) Word has length 211 [2022-11-19 06:53:49,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:53:49,097 INFO L225 Difference]: With dead ends: 3261 [2022-11-19 06:53:49,098 INFO L226 Difference]: Without dead ends: 2217 [2022-11-19 06:53:49,103 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-11-19 06:53:49,104 INFO L413 NwaCegarLoop]: 493 mSDtfsCounter, 368 mSDsluCounter, 1262 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 371 SdHoareTripleChecker+Valid, 1755 SdHoareTripleChecker+Invalid, 311 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 310 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-19 06:53:49,105 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 1755 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-19 06:53:49,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2217 states. [2022-11-19 06:53:49,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2217 to 1999. [2022-11-19 06:53:49,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1999 states, 1335 states have (on average 1.3797752808988764) internal successors, (1842), 1352 states have internal predecessors, (1842), 430 states have call successors, (430), 225 states have call predecessors, (430), 233 states have return successors, (444), 429 states have call predecessors, (444), 428 states have call successors, (444) [2022-11-19 06:53:49,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1999 states to 1999 states and 2716 transitions. [2022-11-19 06:53:49,245 INFO L78 Accepts]: Start accepts. Automaton has 1999 states and 2716 transitions. Word has length 211 [2022-11-19 06:53:49,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:53:49,246 INFO L495 AbstractCegarLoop]: Abstraction has 1999 states and 2716 transitions. [2022-11-19 06:53:49,246 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.0) internal successors, (80), 4 states have internal predecessors, (80), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (28), 3 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-19 06:53:49,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1999 states and 2716 transitions. [2022-11-19 06:53:49,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-11-19 06:53:49,251 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:53:49,252 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:53:49,252 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 06:53:49,252 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:53:49,253 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:53:49,253 INFO L85 PathProgramCache]: Analyzing trace with hash 838635568, now seen corresponding path program 1 times [2022-11-19 06:53:49,253 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:53:49,253 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399304982] [2022-11-19 06:53:49,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:53:49,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:53:49,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:53:50,287 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2022-11-19 06:53:50,289 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:53:50,289 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399304982] [2022-11-19 06:53:50,290 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399304982] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:53:50,290 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1183964438] [2022-11-19 06:53:50,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:53:50,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:53:50,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d053eeb7-3751-41be-a2e9-fde734290d55/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:53:50,294 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d053eeb7-3751-41be-a2e9-fde734290d55/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:53:50,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d053eeb7-3751-41be-a2e9-fde734290d55/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-19 06:53:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:53:51,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 2368 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-19 06:53:51,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:53:51,116 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2022-11-19 06:53:51,117 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:53:51,117 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1183964438] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:53:51,117 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 06:53:51,117 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-19 06:53:51,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167592455] [2022-11-19 06:53:51,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:53:51,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 06:53:51,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:53:51,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 06:53:51,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-19 06:53:51,119 INFO L87 Difference]: Start difference. First operand 1999 states and 2716 transitions. Second operand has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-19 06:53:51,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:53:51,800 INFO L93 Difference]: Finished difference Result 3121 states and 4210 transitions. [2022-11-19 06:53:51,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 06:53:51,801 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) Word has length 222 [2022-11-19 06:53:51,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:53:51,807 INFO L225 Difference]: With dead ends: 3121 [2022-11-19 06:53:51,808 INFO L226 Difference]: Without dead ends: 1222 [2022-11-19 06:53:51,812 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-19 06:53:51,813 INFO L413 NwaCegarLoop]: 338 mSDtfsCounter, 16 mSDsluCounter, 1012 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 1350 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-19 06:53:51,813 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 1350 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-19 06:53:51,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1222 states. [2022-11-19 06:53:51,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1222 to 1150. [2022-11-19 06:53:51,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1150 states, 757 states have (on average 1.3659180977542933) internal successors, (1034), 768 states have internal predecessors, (1034), 256 states have call successors, (256), 133 states have call predecessors, (256), 136 states have return successors, (261), 251 states have call predecessors, (261), 254 states have call successors, (261) [2022-11-19 06:53:51,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 1150 states and 1551 transitions. [2022-11-19 06:53:51,891 INFO L78 Accepts]: Start accepts. Automaton has 1150 states and 1551 transitions. Word has length 222 [2022-11-19 06:53:51,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:53:51,895 INFO L495 AbstractCegarLoop]: Abstraction has 1150 states and 1551 transitions. [2022-11-19 06:53:51,895 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 16.6) internal successors, (83), 5 states have internal predecessors, (83), 3 states have call successors, (35), 2 states have call predecessors, (35), 2 states have return successors, (32), 3 states have call predecessors, (32), 3 states have call successors, (32) [2022-11-19 06:53:51,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1551 transitions. [2022-11-19 06:53:51,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-11-19 06:53:51,900 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:53:51,902 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 8, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:53:51,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d053eeb7-3751-41be-a2e9-fde734290d55/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-19 06:53:52,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d053eeb7-3751-41be-a2e9-fde734290d55/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-19 06:53:52,112 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:53:52,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:53:52,112 INFO L85 PathProgramCache]: Analyzing trace with hash -85774906, now seen corresponding path program 1 times [2022-11-19 06:53:52,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:53:52,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081865299] [2022-11-19 06:53:52,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:53:52,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:53:52,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:53:53,082 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2022-11-19 06:53:53,082 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:53:53,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081865299] [2022-11-19 06:53:53,083 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081865299] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:53:53,083 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1943438002] [2022-11-19 06:53:53,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:53:53,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:53:53,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d053eeb7-3751-41be-a2e9-fde734290d55/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:53:53,087 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d053eeb7-3751-41be-a2e9-fde734290d55/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:53:53,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d053eeb7-3751-41be-a2e9-fde734290d55/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-19 06:53:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:53:54,058 INFO L263 TraceCheckSpWp]: Trace formula consists of 2454 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-19 06:53:54,066 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:53:54,129 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2022-11-19 06:53:54,130 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 06:53:54,130 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1943438002] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 06:53:54,130 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-19 06:53:54,130 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-19 06:53:54,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166012747] [2022-11-19 06:53:54,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 06:53:54,131 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-19 06:53:54,131 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 06:53:54,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-19 06:53:54,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-19 06:53:54,132 INFO L87 Difference]: Start difference. First operand 1150 states and 1551 transitions. Second operand has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-19 06:53:54,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 06:53:54,914 INFO L93 Difference]: Finished difference Result 2282 states and 3092 transitions. [2022-11-19 06:53:54,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 06:53:54,915 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) Word has length 233 [2022-11-19 06:53:54,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 06:53:54,921 INFO L225 Difference]: With dead ends: 2282 [2022-11-19 06:53:54,921 INFO L226 Difference]: Without dead ends: 1151 [2022-11-19 06:53:54,925 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-19 06:53:54,926 INFO L413 NwaCegarLoop]: 336 mSDtfsCounter, 1 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 982 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-19 06:53:54,926 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 982 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-19 06:53:54,928 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2022-11-19 06:53:54,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 1151. [2022-11-19 06:53:54,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1151 states, 758 states have (on average 1.3654353562005277) internal successors, (1035), 769 states have internal predecessors, (1035), 256 states have call successors, (256), 133 states have call predecessors, (256), 136 states have return successors, (261), 251 states have call predecessors, (261), 254 states have call successors, (261) [2022-11-19 06:53:54,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 1552 transitions. [2022-11-19 06:53:54,995 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 1552 transitions. Word has length 233 [2022-11-19 06:53:54,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 06:53:54,995 INFO L495 AbstractCegarLoop]: Abstraction has 1151 states and 1552 transitions. [2022-11-19 06:53:54,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 31.0) internal successors, (93), 4 states have internal predecessors, (93), 2 states have call successors, (38), 2 states have call predecessors, (38), 3 states have return successors, (35), 2 states have call predecessors, (35), 2 states have call successors, (35) [2022-11-19 06:53:54,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1552 transitions. [2022-11-19 06:53:55,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-11-19 06:53:55,001 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 06:53:55,002 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 8, 6, 6, 6, 6, 6, 6, 6, 6, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 06:53:55,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d053eeb7-3751-41be-a2e9-fde734290d55/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-19 06:53:55,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d053eeb7-3751-41be-a2e9-fde734290d55/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:53:55,212 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-19 06:53:55,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 06:53:55,213 INFO L85 PathProgramCache]: Analyzing trace with hash -786105729, now seen corresponding path program 1 times [2022-11-19 06:53:55,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 06:53:55,213 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133768158] [2022-11-19 06:53:55,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:53:55,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 06:53:55,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:53:56,691 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2022-11-19 06:53:56,692 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 06:53:56,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133768158] [2022-11-19 06:53:56,692 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133768158] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:53:56,692 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [221012599] [2022-11-19 06:53:56,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 06:53:56,693 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-19 06:53:56,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d053eeb7-3751-41be-a2e9-fde734290d55/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 06:53:56,695 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d053eeb7-3751-41be-a2e9-fde734290d55/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-19 06:53:56,722 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d053eeb7-3751-41be-a2e9-fde734290d55/bin/utaipan-I9t0OCRTmS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-19 06:53:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 06:53:57,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 2624 conjuncts, 338 conjunts are in the unsatisfiable core [2022-11-19 06:53:57,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 06:53:58,008 INFO L321 Elim1Store]: treesize reduction 440, result has 0.2 percent of original size [2022-11-19 06:53:58,009 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 417 treesize of output 395 [2022-11-19 06:54:03,007 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 11 treesize of output 7 [2022-11-19 06:54:04,497 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 06:54:04,569 WARN L859 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1568 (Array Int Int))) (= (store |c_old(#memory_int)| |c_ldv_memset_#in~s#1.base| v_ArrVal_1568) |c_#memory_int|))) is different from true [2022-11-19 06:54:04,759 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 20 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-19 06:54:05,687 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 06:54:05,747 WARN L859 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1569 (Array Int Int))) (= (store |c_old(#memory_int)| |c_ldv_memset_#in~s#1.base| v_ArrVal_1569) |c_#memory_int|))) is different from true [2022-11-19 06:54:05,949 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 18 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-19 06:54:06,530 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 06:54:06,547 WARN L859 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1570 (Array Int Int))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_ldv_memset_#in~s#1.base| v_ArrVal_1570)))) is different from true [2022-11-19 06:54:06,713 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 16 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-19 06:54:07,135 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 06:54:07,363 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 14 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-19 06:54:07,733 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 06:54:07,749 WARN L859 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1572 (Array Int Int))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_ldv_memset_#in~s#1.base| v_ArrVal_1572)))) is different from true [2022-11-19 06:54:07,809 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 12 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-19 06:54:08,102 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 06:54:08,121 WARN L859 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1573 (Array Int Int))) (= (store |c_old(#memory_int)| |c_ldv_memset_#in~s#1.base| v_ArrVal_1573) |c_#memory_int|))) is different from true [2022-11-19 06:54:08,155 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-19 06:54:08,362 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 06:54:08,380 WARN L859 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1574 (Array Int Int))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_ldv_memset_#in~s#1.base| v_ArrVal_1574)))) is different from true [2022-11-19 06:54:08,415 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-19 06:54:08,547 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 06:54:08,565 WARN L859 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1575 (Array Int Int))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_ldv_memset_#in~s#1.base| v_ArrVal_1575)))) is different from true [2022-11-19 06:54:08,596 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-19 06:54:08,724 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 06:54:08,739 WARN L859 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1576 (Array Int Int))) (= (store |c_old(#memory_int)| |c_ldv_memset_#in~s#1.base| v_ArrVal_1576) |c_#memory_int|))) is different from true [2022-11-19 06:54:08,757 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 4 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-19 06:54:08,858 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 06:54:08,883 WARN L859 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1577 (Array Int Int))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_ldv_memset_#in~s#1.base| v_ArrVal_1577)))) is different from true [2022-11-19 06:54:08,904 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-19 06:54:08,977 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 06:54:09,042 WARN L859 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((|ldv_memset_#Ultimate.C_memset_#ptr#1.offset| Int) (|v_ldv_memset_#Ultimate.C_memset_#t~loopctr264#1_9| Int)) (= (store |c_old(#memory_int)| |c_ldv_memset_#in~s#1.base| (store (select |c_old(#memory_int)| |c_ldv_memset_#in~s#1.base|) (+ |v_ldv_memset_#Ultimate.C_memset_#t~loopctr264#1_9| |ldv_memset_#Ultimate.C_memset_#ptr#1.offset|) |c_ldv_memset_#in~c#1|)) |c_#memory_int|))) is different from true [2022-11-19 06:54:09,070 INFO L321 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-11-19 06:54:09,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 20 [2022-11-19 06:54:09,609 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 06:54:09,670 WARN L859 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1580 (Array Int Int))) (= (store |c_old(#memory_int)| |c_#Ultimate.meminit_#ptr.base| v_ArrVal_1580) |c_#memory_int|))) is different from true [2022-11-19 06:54:09,695 WARN L859 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1580 (Array Int Int)) (|v_#Ultimate.meminit_#ptr.base_AFTER_CALL_17| Int)) (and (= (store |c_old(#memory_int)| |v_#Ultimate.meminit_#ptr.base_AFTER_CALL_17| v_ArrVal_1580) |c_#memory_int|) (<= (+ |v_#Ultimate.meminit_#ptr.base_AFTER_CALL_17| 1) |c_#StackHeapBarrier|)))) is different from true [2022-11-19 06:54:09,712 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 6 treesize of output 5 [2022-11-19 06:54:09,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:09,747 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-19 06:54:09,770 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 06:54:10,007 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 6 treesize of output 5 [2022-11-19 06:54:10,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:10,097 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-19 06:54:10,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:10,656 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-19 06:54:10,786 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2022-11-19 06:54:10,857 WARN L859 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_1583 (Array Int Int))) (= (store |c_old(#memory_int)| |c_raw_open_#in~filp#1.base| v_ArrVal_1583) |c_#memory_int|)) is different from true [2022-11-19 06:54:10,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:10,868 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-19 06:54:11,030 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 83 proven. 77 refuted. 9 times theorem prover too weak. 174 trivial. 261 not checked. [2022-11-19 06:54:11,030 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-19 06:54:11,160 WARN L837 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_1586 (Array Int Int))) (not (= (select (select (store |c_#memory_int| c_~raw_ctl_fops_group2~0.base v_ArrVal_1586) |c_ULTIMATE.start_main_~#ldvarg1~0#1.base|) |c_ULTIMATE.start_main_~#ldvarg1~0#1.offset|) 44032))) is different from false [2022-11-19 06:54:11,161 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [221012599] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-19 06:54:11,161 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [458076877] [2022-11-19 06:54:11,191 INFO L159 IcfgInterpreter]: Started Sifa with 132 locations of interest [2022-11-19 06:54:11,191 INFO L166 IcfgInterpreter]: Building call graph [2022-11-19 06:54:11,199 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-19 06:54:11,204 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-19 06:54:11,204 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-19 06:54:11,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:11,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:11,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:11,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:11,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:11,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:11,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:12,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:12,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:12,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:12,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:12,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:12,164 INFO L217 Elim1Store]: Index analysis took 286 ms [2022-11-19 06:54:25,185 WARN L233 SmtUtils]: Spent 12.98s on a formula simplification. DAG size of input: 987 DAG size of output: 361 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 06:54:25,189 INFO L321 Elim1Store]: treesize reduction 6849, result has 11.1 percent of original size [2022-11-19 06:54:25,189 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 18 select indices, 18 select index equivalence classes, 177 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 28 case distinctions, treesize of input 130 treesize of output 920 [2022-11-19 06:54:25,606 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 375 treesize of output 302 [2022-11-19 06:54:26,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:26,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:26,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:27,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:27,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:27,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:27,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:27,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:27,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:27,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:27,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:27,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:27,874 INFO L217 Elim1Store]: Index analysis took 1764 ms [2022-11-19 06:54:49,491 WARN L233 SmtUtils]: Spent 21.54s on a formula simplification. DAG size of input: 1512 DAG size of output: 513 (called from [L 318] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-19 06:54:49,494 INFO L321 Elim1Store]: treesize reduction 8908, result has 9.7 percent of original size [2022-11-19 06:54:49,495 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 31 select indices, 31 select index equivalence classes, 195 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 309 case distinctions, treesize of input 459 treesize of output 1329 [2022-11-19 06:54:50,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 381 treesize of output 308 [2022-11-19 06:54:50,704 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 288 treesize of output 246 [2022-11-19 06:54:54,597 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 06:54:54,601 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 06:54:54,609 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 06:54:56,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:56,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:56,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:56,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:56,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:56,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:56,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:56,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:56,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:56,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:56,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:56,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:56,444 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 31 select indices, 31 select index equivalence classes, 465 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 94 [2022-11-19 06:54:56,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:56,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:56,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:56,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:56,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:56,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:56,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:56,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:56,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:56,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:56,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:56,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:56,861 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 447 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 91 [2022-11-19 06:54:57,005 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 287 treesize of output 209 [2022-11-19 06:54:57,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:57,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:57,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:57,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:57,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:57,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:57,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:54:57,133 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 06:55:01,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:01,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:01,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:01,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:01,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:01,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:01,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:01,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:01,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:01,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:01,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:01,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:01,950 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 30 select indices, 30 select index equivalence classes, 447 disjoint index pairs (out of 435 index pairs), introduced 30 new quantified variables, introduced 0 case distinctions, treesize of input 151 treesize of output 91 [2022-11-19 06:55:02,122 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 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 287 treesize of output 209 [2022-11-19 06:55:02,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:02,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:02,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:02,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:02,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:02,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:02,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:02,222 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 06:55:02,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:02,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:02,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:02,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:02,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:02,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:02,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:02,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:02,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:02,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:02,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:02,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 06:55:02,500 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 31 select indices, 31 select index equivalence classes, 465 disjoint index pairs (out of 465 index pairs), introduced 31 new quantified variables, introduced 0 case distinctions, treesize of input 156 treesize of output 94 [2022-11-19 06:55:56,969 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 06:55:57,080 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 06:55:57,369 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 06:55:58,076 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:55:58,083 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:55:58,113 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:56:51,220 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 06:56:51,371 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 06:56:51,884 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 06:56:52,394 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:56:52,403 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:56:52,453 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:57:31,840 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 06:57:31,953 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 06:57:32,249 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 06:57:33,073 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:57:33,081 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:57:33,111 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:58:15,845 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 06:58:15,979 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 06:58:16,045 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 06:58:16,998 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:58:17,008 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:58:17,010 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:59:25,938 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 06:59:26,117 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 06:59:26,274 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 06:59:27,109 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:59:27,123 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 06:59:27,132 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:00:31,447 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 07:00:31,980 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 07:00:32,119 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 07:00:32,711 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:00:32,753 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:00:32,760 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:01:48,983 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2022-11-19 07:01:48,990 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 11 treesize of output 7 [2022-11-19 07:01:48,997 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 11 treesize of output 7 [2022-11-19 07:01:49,042 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 07:01:49,043 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 100 treesize of output 103 [2022-11-19 07:01:49,070 INFO L321 Elim1Store]: treesize reduction 15, result has 42.3 percent of original size [2022-11-19 07:01:49,070 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 98 treesize of output 101 [2022-11-19 07:01:49,106 INFO L321 Elim1Store]: treesize reduction 13, result has 45.8 percent of original size [2022-11-19 07:01:49,107 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 92 treesize of output 95 [2022-11-19 07:01:49,169 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 07:01:49,174 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-19 07:01:49,180 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2022-11-19 07:01:53,217 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 07:01:53,346 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 630 treesize of output 490 [2022-11-19 07:01:53,435 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 46 [2022-11-19 07:01:53,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,586 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 378 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 85 [2022-11-19 07:01:53,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:53,750 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 378 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 85 [2022-11-19 07:01:53,957 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 624 treesize of output 484 [2022-11-19 07:01:54,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,138 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 378 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 85 [2022-11-19 07:01:54,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:01:54,343 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 378 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 85 [2022-11-19 07:01:54,461 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 40 [2022-11-19 07:01:55,064 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:03:07,503 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 624 treesize of output 484 [2022-11-19 07:03:07,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,665 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 378 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 85 [2022-11-19 07:03:07,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:07,825 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 378 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 85 [2022-11-19 07:03:07,932 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 92 treesize of output 40 [2022-11-19 07:03:08,118 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 630 treesize of output 490 [2022-11-19 07:03:08,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,270 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 378 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 85 [2022-11-19 07:03:08,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-19 07:03:08,437 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 28 select indices, 28 select index equivalence classes, 378 disjoint index pairs (out of 378 index pairs), introduced 28 new quantified variables, introduced 0 case distinctions, treesize of input 195 treesize of output 85 [2022-11-19 07:03:08,540 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 46 [2022-11-19 07:03:08,742 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 07:03:09,200 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-19 07:03:09,231 WARN L207 Elim1Store]: Array PQE input equivalent to false