./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 e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c703386-206e-4155-aae9-558a66cdfa01/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c703386-206e-4155-aae9-558a66cdfa01/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c703386-206e-4155-aae9-558a66cdfa01/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c703386-206e-4155-aae9-558a66cdfa01/bin/utaipan-Xvt2sAort0/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_3c703386-206e-4155-aae9-558a66cdfa01/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c703386-206e-4155-aae9-558a66cdfa01/bin/utaipan-Xvt2sAort0 --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-e04fb08 [2022-11-16 15:53:18,626 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 15:53:18,629 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 15:53:18,674 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 15:53:18,675 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 15:53:18,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 15:53:18,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 15:53:18,683 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 15:53:18,688 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 15:53:18,690 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 15:53:18,691 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 15:53:18,693 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 15:53:18,695 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 15:53:18,698 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 15:53:18,699 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 15:53:18,702 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 15:53:18,704 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 15:53:18,709 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 15:53:18,710 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 15:53:18,712 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 15:53:18,716 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 15:53:18,718 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 15:53:18,720 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 15:53:18,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 15:53:18,725 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 15:53:18,725 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 15:53:18,725 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 15:53:18,726 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 15:53:18,727 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 15:53:18,728 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 15:53:18,728 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 15:53:18,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 15:53:18,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 15:53:18,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 15:53:18,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 15:53:18,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 15:53:18,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 15:53:18,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 15:53:18,734 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 15:53:18,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 15:53:18,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 15:53:18,738 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c703386-206e-4155-aae9-558a66cdfa01/bin/utaipan-Xvt2sAort0/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-16 15:53:18,772 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 15:53:18,773 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 15:53:18,773 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 15:53:18,774 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 15:53:18,774 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 15:53:18,775 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 15:53:18,775 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 15:53:18,775 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 15:53:18,775 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 15:53:18,776 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 15:53:18,777 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 15:53:18,777 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 15:53:18,777 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 15:53:18,777 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 15:53:18,777 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 15:53:18,778 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 15:53:18,778 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 15:53:18,778 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 15:53:18,779 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 15:53:18,779 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 15:53:18,779 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 15:53:18,779 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 15:53:18,780 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 15:53:18,781 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 15:53:18,781 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 15:53:18,782 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 15:53:18,782 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 15:53:18,782 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 15:53:18,782 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 15:53:18,783 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 15:53:18,783 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 15:53:18,783 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 15:53:18,783 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 15:53:18,784 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 15:53:18,784 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 15:53:18,784 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 15:53:18,784 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 15:53:18,784 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 15:53:18,785 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_3c703386-206e-4155-aae9-558a66cdfa01/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c703386-206e-4155-aae9-558a66cdfa01/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 793a6c625c75092f747de022bbd4fd421346f4483d489a12fa5057c55b9e4cfa [2022-11-16 15:53:19,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 15:53:19,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 15:53:19,126 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 15:53:19,127 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 15:53:19,128 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 15:53:19,129 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c703386-206e-4155-aae9-558a66cdfa01/bin/utaipan-Xvt2sAort0/../../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 [2022-11-16 15:53:19,196 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c703386-206e-4155-aae9-558a66cdfa01/bin/utaipan-Xvt2sAort0/data/fbd5c7d6d/f5eb65a473cb498c9476cb30e453d0ce/FLAG28f0c9161 [2022-11-16 15:53:19,910 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 15:53:19,910 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c703386-206e-4155-aae9-558a66cdfa01/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 [2022-11-16 15:53:19,936 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c703386-206e-4155-aae9-558a66cdfa01/bin/utaipan-Xvt2sAort0/data/fbd5c7d6d/f5eb65a473cb498c9476cb30e453d0ce/FLAG28f0c9161 [2022-11-16 15:53:20,060 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c703386-206e-4155-aae9-558a66cdfa01/bin/utaipan-Xvt2sAort0/data/fbd5c7d6d/f5eb65a473cb498c9476cb30e453d0ce [2022-11-16 15:53:20,064 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 15:53:20,068 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 15:53:20,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 15:53:20,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 15:53:20,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 15:53:20,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:53:20" (1/1) ... [2022-11-16 15:53:20,079 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a3c1fbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:53:20, skipping insertion in model container [2022-11-16 15:53:20,080 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 03:53:20" (1/1) ... [2022-11-16 15:53:20,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 15:53:20,208 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 15:53:21,132 WARN L229 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_3c703386-206e-4155-aae9-558a66cdfa01/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] [2022-11-16 15:53:21,183 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 15:53:21,202 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 15:53:21,501 WARN L229 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_3c703386-206e-4155-aae9-558a66cdfa01/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] [2022-11-16 15:53:21,517 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 15:53:21,562 INFO L208 MainTranslator]: Completed translation [2022-11-16 15:53:21,563 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:53:21 WrapperNode [2022-11-16 15:53:21,563 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 15:53:21,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 15:53:21,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 15:53:21,564 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 15:53:21,572 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:53:21" (1/1) ... [2022-11-16 15:53:21,626 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:53:21" (1/1) ... [2022-11-16 15:53:21,739 INFO L138 Inliner]: procedures = 114, calls = 417, calls flagged for inlining = 49, calls inlined = 46, statements flattened = 1207 [2022-11-16 15:53:21,739 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 15:53:21,740 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 15:53:21,740 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 15:53:21,740 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 15:53:21,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:53:21" (1/1) ... [2022-11-16 15:53:21,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:53:21" (1/1) ... [2022-11-16 15:53:21,783 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:53:21" (1/1) ... [2022-11-16 15:53:21,783 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:53:21" (1/1) ... [2022-11-16 15:53:21,826 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:53:21" (1/1) ... [2022-11-16 15:53:21,856 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:53:21" (1/1) ... [2022-11-16 15:53:21,875 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:53:21" (1/1) ... [2022-11-16 15:53:21,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:53:21" (1/1) ... [2022-11-16 15:53:21,902 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 15:53:21,903 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 15:53:21,903 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 15:53:21,903 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 15:53:21,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:53:21" (1/1) ... [2022-11-16 15:53:21,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 15:53:21,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c703386-206e-4155-aae9-558a66cdfa01/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 15:53:21,950 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c703386-206e-4155-aae9-558a66cdfa01/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 15:53:21,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c703386-206e-4155-aae9-558a66cdfa01/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 15:53:22,004 INFO L130 BoogieDeclarations]: Found specification of procedure raw_open [2022-11-16 15:53:22,005 INFO L138 BoogieDeclarations]: Found implementation of procedure raw_open [2022-11-16 15:53:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure cdev_del [2022-11-16 15:53:22,005 INFO L138 BoogieDeclarations]: Found implementation of procedure cdev_del [2022-11-16 15:53:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-16 15:53:22,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-16 15:53:22,005 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 15:53:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-16 15:53:22,006 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-16 15:53:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_read_iter [2022-11-16 15:53:22,006 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_read_iter [2022-11-16 15:53:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-16 15:53:22,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-16 15:53:22,006 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2022-11-16 15:53:22,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2022-11-16 15:53:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure bind_get [2022-11-16 15:53:22,007 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_get [2022-11-16 15:53:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 15:53:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-16 15:53:22,007 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-16 15:53:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2022-11-16 15:53:22,007 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2022-11-16 15:53:22,007 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-16 15:53:22,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-16 15:53:22,008 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-16 15:53:22,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-16 15:53:22,008 INFO L130 BoogieDeclarations]: Found specification of procedure bind_set [2022-11-16 15:53:22,008 INFO L138 BoogieDeclarations]: Found implementation of procedure bind_set [2022-11-16 15:53:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_put [2022-11-16 15:53:22,009 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_put [2022-11-16 15:53:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-16 15:53:22,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-16 15:53:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-16 15:53:22,009 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-16 15:53:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 15:53:22,009 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-16 15:53:22,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-16 15:53:22,010 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2022-11-16 15:53:22,010 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2022-11-16 15:53:22,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 15:53:22,010 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 15:53:22,010 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 15:53:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 15:53:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2022-11-16 15:53:22,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2022-11-16 15:53:22,011 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2022-11-16 15:53:22,012 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2022-11-16 15:53:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 15:53:22,012 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-16 15:53:22,013 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_fsync [2022-11-16 15:53:22,013 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_fsync [2022-11-16 15:53:22,014 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2022-11-16 15:53:22,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2022-11-16 15:53:22,015 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev_region [2022-11-16 15:53:22,015 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev_region [2022-11-16 15:53:22,015 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2022-11-16 15:53:22,015 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2022-11-16 15:53:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-16 15:53:22,016 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-16 15:53:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure blkdev_write_iter [2022-11-16 15:53:22,016 INFO L138 BoogieDeclarations]: Found implementation of procedure blkdev_write_iter [2022-11-16 15:53:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 15:53:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 15:53:22,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 15:53:22,016 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-16 15:53:22,017 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-16 15:53:22,434 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 15:53:22,437 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 15:53:22,754 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-16 15:53:23,534 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 15:53:23,835 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 15:53:23,835 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-16 15:53:23,839 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:53:23 BoogieIcfgContainer [2022-11-16 15:53:23,840 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 15:53:23,844 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 15:53:23,844 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 15:53:23,848 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 15:53:23,848 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 03:53:20" (1/3) ... [2022-11-16 15:53:23,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33e7a5ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:53:23, skipping insertion in model container [2022-11-16 15:53:23,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 03:53:21" (2/3) ... [2022-11-16 15:53:23,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@33e7a5ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 03:53:23, skipping insertion in model container [2022-11-16 15:53:23,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 03:53:23" (3/3) ... [2022-11-16 15:53:23,851 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--char--raw.ko-entry_point.cil.out.i [2022-11-16 15:53:23,870 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 15:53:23,870 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 15:53:23,931 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 15:53:23,937 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;@1530ac4d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 15:53:23,938 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 15:53:23,943 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) [2022-11-16 15:53:23,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-11-16 15:53:23,965 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:53:23,966 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] [2022-11-16 15:53:23,966 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 15:53:23,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:53:23,972 INFO L85 PathProgramCache]: Analyzing trace with hash -2045019332, now seen corresponding path program 1 times [2022-11-16 15:53:23,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:53:23,982 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026438449] [2022-11-16 15:53:23,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:53:23,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:53:24,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:53:24,874 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-16 15:53:24,875 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:53:24,875 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026438449] [2022-11-16 15:53:24,876 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026438449] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 15:53:24,876 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 15:53:24,876 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 15:53:24,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630116210] [2022-11-16 15:53:24,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:53:24,883 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 15:53:24,884 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 15:53:24,913 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 15:53:24,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 15:53:24,917 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) [2022-11-16 15:53:25,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 15:53:25,732 INFO L93 Difference]: Finished difference Result 762 states and 1076 transitions. [2022-11-16 15:53:25,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 15:53:25,736 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 [2022-11-16 15:53:25,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 15:53:25,759 INFO L225 Difference]: With dead ends: 762 [2022-11-16 15:53:25,759 INFO L226 Difference]: Without dead ends: 497 [2022-11-16 15:53:25,768 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 [2022-11-16 15:53:25,780 INFO L413 NwaCegarLoop]: 402 mSDtfsCounter, 327 mSDsluCounter, 317 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2022-11-16 15:53:25,783 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 719 Invalid, 128 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-16 15:53:25,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2022-11-16 15:53:25,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 494. [2022-11-16 15:53:25,907 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) [2022-11-16 15:53:25,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 685 transitions. [2022-11-16 15:53:25,918 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 685 transitions. Word has length 131 [2022-11-16 15:53:25,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 15:53:25,920 INFO L495 AbstractCegarLoop]: Abstraction has 494 states and 685 transitions. [2022-11-16 15:53:25,920 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) [2022-11-16 15:53:25,920 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 685 transitions. [2022-11-16 15:53:25,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-11-16 15:53:25,934 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:53:25,934 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] [2022-11-16 15:53:25,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 15:53:25,935 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 15:53:25,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:53:25,935 INFO L85 PathProgramCache]: Analyzing trace with hash -892342257, now seen corresponding path program 1 times [2022-11-16 15:53:25,936 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:53:25,936 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [106963890] [2022-11-16 15:53:25,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:53:25,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:53:26,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:53:26,367 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-16 15:53:26,367 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:53:26,367 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [106963890] [2022-11-16 15:53:26,367 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [106963890] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 15:53:26,368 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 15:53:26,368 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 15:53:26,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805142398] [2022-11-16 15:53:26,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:53:26,369 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 15:53:26,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 15:53:26,370 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 15:53:26,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 15:53:26,370 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) [2022-11-16 15:53:26,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 15:53:26,799 INFO L93 Difference]: Finished difference Result 1387 states and 1936 transitions. [2022-11-16 15:53:26,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 15:53:26,800 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 [2022-11-16 15:53:26,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 15:53:26,807 INFO L225 Difference]: With dead ends: 1387 [2022-11-16 15:53:26,807 INFO L226 Difference]: Without dead ends: 925 [2022-11-16 15:53:26,810 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 [2022-11-16 15:53:26,812 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 [2022-11-16 15:53:26,812 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] [2022-11-16 15:53:26,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2022-11-16 15:53:26,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 921. [2022-11-16 15:53:26,891 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) [2022-11-16 15:53:26,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 921 states and 1285 transitions. [2022-11-16 15:53:26,899 INFO L78 Accepts]: Start accepts. Automaton has 921 states and 1285 transitions. Word has length 130 [2022-11-16 15:53:26,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 15:53:26,900 INFO L495 AbstractCegarLoop]: Abstraction has 921 states and 1285 transitions. [2022-11-16 15:53:26,900 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) [2022-11-16 15:53:26,901 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1285 transitions. [2022-11-16 15:53:26,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2022-11-16 15:53:26,904 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:53:26,904 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] [2022-11-16 15:53:26,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 15:53:26,905 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 15:53:26,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:53:26,905 INFO L85 PathProgramCache]: Analyzing trace with hash -1689412853, now seen corresponding path program 1 times [2022-11-16 15:53:26,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:53:26,906 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108941796] [2022-11-16 15:53:26,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:53:26,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:53:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:53:27,211 INFO L134 CoverageAnalysis]: Checked inductivity of 258 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 258 trivial. 0 not checked. [2022-11-16 15:53:27,212 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:53:27,212 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108941796] [2022-11-16 15:53:27,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108941796] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 15:53:27,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 15:53:27,212 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 15:53:27,213 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [768352427] [2022-11-16 15:53:27,213 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:53:27,214 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 15:53:27,215 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 15:53:27,215 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 15:53:27,216 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 15:53:27,216 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) [2022-11-16 15:53:27,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 15:53:27,770 INFO L93 Difference]: Finished difference Result 1790 states and 2462 transitions. [2022-11-16 15:53:27,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 15:53:27,771 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 [2022-11-16 15:53:27,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 15:53:27,781 INFO L225 Difference]: With dead ends: 1790 [2022-11-16 15:53:27,781 INFO L226 Difference]: Without dead ends: 913 [2022-11-16 15:53:27,784 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 [2022-11-16 15:53:27,788 INFO L413 NwaCegarLoop]: 371 mSDtfsCounter, 224 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-11-16 15:53:27,790 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 647 Invalid, 124 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-16 15:53:27,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 913 states. [2022-11-16 15:53:27,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 913 to 903. [2022-11-16 15:53:27,860 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) [2022-11-16 15:53:27,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 903 states and 1225 transitions. [2022-11-16 15:53:27,866 INFO L78 Accepts]: Start accepts. Automaton has 903 states and 1225 transitions. Word has length 148 [2022-11-16 15:53:27,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 15:53:27,867 INFO L495 AbstractCegarLoop]: Abstraction has 903 states and 1225 transitions. [2022-11-16 15:53:27,867 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) [2022-11-16 15:53:27,867 INFO L276 IsEmpty]: Start isEmpty. Operand 903 states and 1225 transitions. [2022-11-16 15:53:27,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2022-11-16 15:53:27,871 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:53:27,872 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] [2022-11-16 15:53:27,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 15:53:27,872 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 15:53:27,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:53:27,873 INFO L85 PathProgramCache]: Analyzing trace with hash 1920698430, now seen corresponding path program 1 times [2022-11-16 15:53:27,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:53:27,873 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1673013699] [2022-11-16 15:53:27,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:53:27,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:53:28,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:53:28,304 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 348 trivial. 0 not checked. [2022-11-16 15:53:28,304 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:53:28,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1673013699] [2022-11-16 15:53:28,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1673013699] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 15:53:28,305 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 15:53:28,305 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 15:53:28,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002656427] [2022-11-16 15:53:28,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:53:28,310 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 15:53:28,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 15:53:28,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 15:53:28,311 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 15:53:28,311 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) [2022-11-16 15:53:28,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 15:53:28,827 INFO L93 Difference]: Finished difference Result 1960 states and 2655 transitions. [2022-11-16 15:53:28,828 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 15:53:28,834 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 [2022-11-16 15:53:28,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 15:53:28,842 INFO L225 Difference]: With dead ends: 1960 [2022-11-16 15:53:28,843 INFO L226 Difference]: Without dead ends: 1188 [2022-11-16 15:53:28,845 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 [2022-11-16 15:53:28,848 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 [2022-11-16 15:53:28,850 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] [2022-11-16 15:53:28,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1188 states. [2022-11-16 15:53:28,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1188 to 1175. [2022-11-16 15:53:28,929 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) [2022-11-16 15:53:28,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 1591 transitions. [2022-11-16 15:53:28,935 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 1591 transitions. Word has length 191 [2022-11-16 15:53:28,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 15:53:28,940 INFO L495 AbstractCegarLoop]: Abstraction has 1175 states and 1591 transitions. [2022-11-16 15:53:28,940 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) [2022-11-16 15:53:28,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1591 transitions. [2022-11-16 15:53:28,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2022-11-16 15:53:28,945 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:53:28,946 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] [2022-11-16 15:53:28,946 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 15:53:28,946 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 15:53:28,946 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:53:28,947 INFO L85 PathProgramCache]: Analyzing trace with hash 743636231, now seen corresponding path program 1 times [2022-11-16 15:53:28,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:53:28,947 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1211536718] [2022-11-16 15:53:28,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:53:28,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:53:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:53:30,331 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2022-11-16 15:53:30,331 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:53:30,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1211536718] [2022-11-16 15:53:30,332 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1211536718] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 15:53:30,332 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 15:53:30,332 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 15:53:30,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1846966838] [2022-11-16 15:53:30,333 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:53:30,333 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 15:53:30,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 15:53:30,334 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 15:53:30,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 15:53:30,335 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) [2022-11-16 15:53:31,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 15:53:31,404 INFO L93 Difference]: Finished difference Result 3261 states and 4398 transitions. [2022-11-16 15:53:31,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-16 15:53:31,405 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 [2022-11-16 15:53:31,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 15:53:31,416 INFO L225 Difference]: With dead ends: 3261 [2022-11-16 15:53:31,416 INFO L226 Difference]: Without dead ends: 2217 [2022-11-16 15:53:31,420 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 [2022-11-16 15:53:31,421 INFO L413 NwaCegarLoop]: 493 mSDtfsCounter, 368 mSDsluCounter, 1262 mSDsCounter, 0 mSdLazyCounter, 310 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s 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, 0.9s IncrementalHoareTripleChecker+Time [2022-11-16 15:53:31,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [371 Valid, 1755 Invalid, 311 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 310 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2022-11-16 15:53:31,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2217 states. [2022-11-16 15:53:31,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2217 to 1999. [2022-11-16 15:53:31,559 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) [2022-11-16 15:53:31,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1999 states to 1999 states and 2716 transitions. [2022-11-16 15:53:31,570 INFO L78 Accepts]: Start accepts. Automaton has 1999 states and 2716 transitions. Word has length 211 [2022-11-16 15:53:31,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 15:53:31,571 INFO L495 AbstractCegarLoop]: Abstraction has 1999 states and 2716 transitions. [2022-11-16 15:53:31,571 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) [2022-11-16 15:53:31,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1999 states and 2716 transitions. [2022-11-16 15:53:31,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2022-11-16 15:53:31,577 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:53:31,577 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] [2022-11-16 15:53:31,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-16 15:53:31,579 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 15:53:31,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:53:31,579 INFO L85 PathProgramCache]: Analyzing trace with hash 838635568, now seen corresponding path program 1 times [2022-11-16 15:53:31,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:53:31,580 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88487054] [2022-11-16 15:53:31,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:53:31,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:53:31,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:53:32,579 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2022-11-16 15:53:32,580 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:53:32,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88487054] [2022-11-16 15:53:32,580 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88487054] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 15:53:32,580 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935110592] [2022-11-16 15:53:32,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:53:32,581 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 15:53:32,581 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c703386-206e-4155-aae9-558a66cdfa01/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 15:53:32,587 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c703386-206e-4155-aae9-558a66cdfa01/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 15:53:32,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c703386-206e-4155-aae9-558a66cdfa01/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-16 15:53:33,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:53:33,291 INFO L263 TraceCheckSpWp]: Trace formula consists of 2368 conjuncts, 9 conjunts are in the unsatisfiable core [2022-11-16 15:53:33,318 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 15:53:33,450 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 378 trivial. 0 not checked. [2022-11-16 15:53:33,450 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 15:53:33,450 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1935110592] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 15:53:33,451 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 15:53:33,451 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [4] total 7 [2022-11-16 15:53:33,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197744031] [2022-11-16 15:53:33,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:53:33,452 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 15:53:33,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 15:53:33,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 15:53:33,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-11-16 15:53:33,453 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) [2022-11-16 15:53:34,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 15:53:34,262 INFO L93 Difference]: Finished difference Result 3121 states and 4210 transitions. [2022-11-16 15:53:34,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-16 15:53:34,262 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 [2022-11-16 15:53:34,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 15:53:34,268 INFO L225 Difference]: With dead ends: 3121 [2022-11-16 15:53:34,268 INFO L226 Difference]: Without dead ends: 1222 [2022-11-16 15:53:34,273 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-16 15:53:34,274 INFO L413 NwaCegarLoop]: 338 mSDtfsCounter, 16 mSDsluCounter, 1012 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s 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, 0.7s IncrementalHoareTripleChecker+Time [2022-11-16 15:53:34,274 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 1350 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-16 15:53:34,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1222 states. [2022-11-16 15:53:34,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1222 to 1150. [2022-11-16 15:53:34,347 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) [2022-11-16 15:53:34,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 1150 states and 1551 transitions. [2022-11-16 15:53:34,356 INFO L78 Accepts]: Start accepts. Automaton has 1150 states and 1551 transitions. Word has length 222 [2022-11-16 15:53:34,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 15:53:34,357 INFO L495 AbstractCegarLoop]: Abstraction has 1150 states and 1551 transitions. [2022-11-16 15:53:34,357 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) [2022-11-16 15:53:34,357 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1551 transitions. [2022-11-16 15:53:34,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-11-16 15:53:34,362 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:53:34,366 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] [2022-11-16 15:53:34,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c703386-206e-4155-aae9-558a66cdfa01/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-16 15:53:34,576 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c703386-206e-4155-aae9-558a66cdfa01/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 15:53:34,576 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 15:53:34,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:53:34,577 INFO L85 PathProgramCache]: Analyzing trace with hash -85774906, now seen corresponding path program 1 times [2022-11-16 15:53:34,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:53:34,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490134889] [2022-11-16 15:53:34,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:53:34,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:53:34,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:53:35,612 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 370 trivial. 0 not checked. [2022-11-16 15:53:35,612 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:53:35,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490134889] [2022-11-16 15:53:35,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [490134889] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 15:53:35,612 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301840064] [2022-11-16 15:53:35,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:53:35,613 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 15:53:35,613 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c703386-206e-4155-aae9-558a66cdfa01/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 15:53:35,615 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c703386-206e-4155-aae9-558a66cdfa01/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 15:53:35,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c703386-206e-4155-aae9-558a66cdfa01/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-16 15:53:36,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:53:36,591 INFO L263 TraceCheckSpWp]: Trace formula consists of 2454 conjuncts, 11 conjunts are in the unsatisfiable core [2022-11-16 15:53:36,602 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 15:53:36,653 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 234 trivial. 0 not checked. [2022-11-16 15:53:36,653 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-16 15:53:36,654 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [301840064] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 15:53:36,654 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-16 15:53:36,654 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2022-11-16 15:53:36,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444700064] [2022-11-16 15:53:36,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 15:53:36,655 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-16 15:53:36,655 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 15:53:36,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-16 15:53:36,656 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2022-11-16 15:53:36,656 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) [2022-11-16 15:53:37,223 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 15:53:37,224 INFO L93 Difference]: Finished difference Result 2282 states and 3092 transitions. [2022-11-16 15:53:37,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-16 15:53:37,224 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 [2022-11-16 15:53:37,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 15:53:37,230 INFO L225 Difference]: With dead ends: 2282 [2022-11-16 15:53:37,230 INFO L226 Difference]: Without dead ends: 1151 [2022-11-16 15:53:37,233 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-16 15:53:37,234 INFO L413 NwaCegarLoop]: 336 mSDtfsCounter, 1 mSDsluCounter, 646 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2022-11-16 15:53:37,234 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 982 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-16 15:53:37,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1151 states. [2022-11-16 15:53:37,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1151 to 1151. [2022-11-16 15:53:37,293 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) [2022-11-16 15:53:37,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 1552 transitions. [2022-11-16 15:53:37,299 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 1552 transitions. Word has length 233 [2022-11-16 15:53:37,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 15:53:37,299 INFO L495 AbstractCegarLoop]: Abstraction has 1151 states and 1552 transitions. [2022-11-16 15:53:37,300 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) [2022-11-16 15:53:37,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1552 transitions. [2022-11-16 15:53:37,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2022-11-16 15:53:37,304 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 15:53:37,305 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] [2022-11-16 15:53:37,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c703386-206e-4155-aae9-558a66cdfa01/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-16 15:53:37,515 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c703386-206e-4155-aae9-558a66cdfa01/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 15:53:37,516 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 15:53:37,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 15:53:37,516 INFO L85 PathProgramCache]: Analyzing trace with hash -786105729, now seen corresponding path program 1 times [2022-11-16 15:53:37,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 15:53:37,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853708448] [2022-11-16 15:53:37,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:53:37,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 15:53:38,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:53:38,952 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2022-11-16 15:53:38,953 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 15:53:38,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853708448] [2022-11-16 15:53:38,953 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853708448] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 15:53:38,953 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1324775944] [2022-11-16 15:53:38,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 15:53:38,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-16 15:53:38,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c703386-206e-4155-aae9-558a66cdfa01/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 15:53:38,955 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c703386-206e-4155-aae9-558a66cdfa01/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-16 15:53:38,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3c703386-206e-4155-aae9-558a66cdfa01/bin/utaipan-Xvt2sAort0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-16 15:53:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 15:53:39,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 2624 conjuncts, 311 conjunts are in the unsatisfiable core [2022-11-16 15:53:39,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-16 15:53:40,148 INFO L321 Elim1Store]: treesize reduction 288, result has 0.3 percent of original size [2022-11-16 15:53:40,149 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 246 treesize of output 228 [2022-11-16 15:53:43,597 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 [2022-11-16 15:53:44,647 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 [2022-11-16 15:53:44,705 WARN L855 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1552 (Array Int Int))) (= (store |c_old(#memory_int)| |c_ldv_memset_#in~s#1.base| v_ArrVal_1552) |c_#memory_int|))) is different from true [2022-11-16 15:53:44,833 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 17 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 [2022-11-16 15:53:45,358 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 [2022-11-16 15:53:45,378 WARN L855 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1553 (Array Int Int))) (= (store |c_old(#memory_int)| |c_ldv_memset_#in~s#1.base| v_ArrVal_1553) |c_#memory_int|))) is different from true [2022-11-16 15:53:45,522 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 15 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 [2022-11-16 15:53:45,886 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 [2022-11-16 15:53:45,904 WARN L855 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1554 (Array Int Int))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_ldv_memset_#in~s#1.base| v_ArrVal_1554)))) is different from true [2022-11-16 15:53:46,000 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 13 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 [2022-11-16 15:53:46,322 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 [2022-11-16 15:53:46,339 WARN L855 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1555 (Array Int Int))) (= (store |c_old(#memory_int)| |c_ldv_memset_#in~s#1.base| v_ArrVal_1555) |c_#memory_int|))) is different from true [2022-11-16 15:53:46,450 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 11 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 [2022-11-16 15:53:46,634 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 [2022-11-16 15:53:46,652 WARN L855 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1556 (Array Int Int))) (= (store |c_old(#memory_int)| |c_ldv_memset_#in~s#1.base| v_ArrVal_1556) |c_#memory_int|))) is different from true [2022-11-16 15:53:46,706 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 9 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 [2022-11-16 15:53:46,857 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 [2022-11-16 15:53:46,917 WARN L855 $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) (|ldv_memset_#Ultimate.C_memset_#ptr#1.base| Int)) (= (store |c_old(#memory_int)| |ldv_memset_#Ultimate.C_memset_#ptr#1.base| (store (select |c_old(#memory_int)| |ldv_memset_#Ultimate.C_memset_#ptr#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 [2022-11-16 15:53:46,966 INFO L321 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2022-11-16 15:53:46,967 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 1 case distinctions, treesize of input 21 treesize of output 20 [2022-11-16 15:53:47,155 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 [2022-11-16 15:53:47,177 WARN L855 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1559 (Array Int Int))) (= (store |c_old(#memory_int)| |c_ldv_memset_#in~s#1.base| v_ArrVal_1559) |c_#memory_int|))) is different from true [2022-11-16 15:53:47,212 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 7 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 [2022-11-16 15:53:47,340 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 [2022-11-16 15:53:47,377 WARN L855 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1560 (Array Int Int))) (= (store |c_old(#memory_int)| |c_ldv_memset_#in~s#1.base| v_ArrVal_1560) |c_#memory_int|))) is different from true [2022-11-16 15:53:47,420 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 5 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 [2022-11-16 15:53:47,527 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 [2022-11-16 15:53:47,543 WARN L855 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1561 (Array Int Int))) (= (store |c_old(#memory_int)| |c_ldv_memset_#in~s#1.base| v_ArrVal_1561) |c_#memory_int|))) is different from true [2022-11-16 15:53:47,571 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 16 [2022-11-16 15:53:47,651 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 [2022-11-16 15:53:47,712 WARN L855 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((|ldv_memset_#Ultimate.C_memset_#ptr#1.base| Int)) (= (store |c_old(#memory_int)| |ldv_memset_#Ultimate.C_memset_#ptr#1.base| (store (select |c_old(#memory_int)| |ldv_memset_#Ultimate.C_memset_#ptr#1.base|) |c_ldv_memset_#in~s#1.offset| |c_ldv_memset_#in~c#1|)) |c_#memory_int|))) is different from true [2022-11-16 15:53:47,744 INFO L321 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2022-11-16 15:53:47,744 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 1 case distinctions, treesize of input 19 treesize of output 18 [2022-11-16 15:53:47,861 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 [2022-11-16 15:53:47,879 WARN L855 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1564 (Array Int Int))) (= (store |c_old(#memory_int)| |c_ldv_memset_#in~s#1.base| v_ArrVal_1564) |c_#memory_int|))) is different from true [2022-11-16 15:53:47,896 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 [2022-11-16 15:53:48,350 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 [2022-11-16 15:53:48,423 WARN L855 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1565 (Array Int Int))) (= (store |c_old(#memory_int)| |c_#Ultimate.meminit_#ptr.base| v_ArrVal_1565) |c_#memory_int|))) is different from true [2022-11-16 15:53:48,438 WARN L855 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1565 (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_1565) |c_#memory_int|) (<= (+ |v_#Ultimate.meminit_#ptr.base_AFTER_CALL_17| 1) |c_#StackHeapBarrier|)))) is different from true [2022-11-16 15:53:48,462 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 [2022-11-16 15:53:48,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:53:48,495 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 [2022-11-16 15:53:48,521 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 [2022-11-16 15:53:48,541 WARN L855 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1566 (Array Int Int))) (= |c_#memory_int| (store |c_old(#memory_int)| |c_#Ultimate.meminit_#ptr.base| v_ArrVal_1566)))) is different from true [2022-11-16 15:53:48,603 WARN L855 $PredicateComparison]: unable to prove that (and (< 0 |c_#StackHeapBarrier|) (exists ((v_ArrVal_1566 (Array Int Int))) (= (store |c_old(#memory_int)| c_ldv_init_zalloc_~p~2.base v_ArrVal_1566) |c_#memory_int|)) (< c_ldv_init_zalloc_~p~2.base |c_#StackHeapBarrier|)) is different from true [2022-11-16 15:53:48,613 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 15:53:48,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:53:48,698 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 [2022-11-16 15:53:49,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:53:49,279 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 [2022-11-16 15:53:49,388 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 [2022-11-16 15:53:49,456 WARN L855 $PredicateComparison]: unable to prove that (exists ((v_ArrVal_1568 (Array Int Int))) (= (store |c_old(#memory_int)| |c_raw_open_#in~filp#1.base| v_ArrVal_1568) |c_#memory_int|)) is different from true [2022-11-16 15:53:49,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:53:49,473 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 [2022-11-16 15:53:49,619 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 60 proven. 69 refuted. 0 times theorem prover too weak. 174 trivial. 301 not checked. [2022-11-16 15:53:49,619 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-16 15:53:49,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1324775944] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-16 15:53:49,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1380217601] [2022-11-16 15:53:49,868 INFO L159 IcfgInterpreter]: Started Sifa with 132 locations of interest [2022-11-16 15:53:49,868 INFO L166 IcfgInterpreter]: Building call graph [2022-11-16 15:53:49,877 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-16 15:53:49,882 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-16 15:53:49,883 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-16 15:53:50,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:53:50,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:53:50,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:53:50,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:53:50,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:53:50,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:53:50,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:53:50,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:53:50,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:53:50,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:53:50,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:53:50,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:53:50,930 INFO L217 Elim1Store]: Index analysis took 327 ms [2022-11-16 15:54:03,739 WARN L233 SmtUtils]: Spent 12.78s 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) [2022-11-16 15:54:03,745 INFO L321 Elim1Store]: treesize reduction 6849, result has 11.1 percent of original size [2022-11-16 15:54:03,747 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 [2022-11-16 15:54:04,256 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 [2022-11-16 15:54:04,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:05,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:05,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:05,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:05,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:06,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:06,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:06,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:06,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:06,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:06,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:06,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:06,494 INFO L217 Elim1Store]: Index analysis took 1650 ms [2022-11-16 15:54:28,250 WARN L233 SmtUtils]: Spent 21.72s 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) [2022-11-16 15:54:28,258 INFO L321 Elim1Store]: treesize reduction 8908, result has 9.7 percent of original size [2022-11-16 15:54:28,259 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 [2022-11-16 15:54:29,293 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 [2022-11-16 15:54:29,580 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 [2022-11-16 15:54:34,252 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 [2022-11-16 15:54:34,256 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-16 15:54:34,269 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 [2022-11-16 15:54:36,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:36,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:36,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:36,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:36,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:36,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:36,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:36,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:36,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:36,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:36,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:36,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:36,112 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 [2022-11-16 15:54:36,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:36,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:36,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:36,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:36,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:36,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:36,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:36,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:36,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:36,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:36,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:36,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:36,593 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 [2022-11-16 15:54:36,752 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 [2022-11-16 15:54:36,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:36,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:36,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:36,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:36,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:36,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:36,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:36,900 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 [2022-11-16 15:54:42,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:42,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:42,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:42,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:42,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:42,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:42,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:42,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:42,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:42,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:42,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:42,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:42,254 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 [2022-11-16 15:54:42,485 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 [2022-11-16 15:54:42,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:42,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:42,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:42,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:42,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:42,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:42,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:42,590 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 [2022-11-16 15:54:42,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:42,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:42,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:42,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:42,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:42,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:42,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:42,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:42,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:42,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:42,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:42,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 15:54:42,927 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 [2022-11-16 15:55:44,131 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 [2022-11-16 15:55:44,276 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 [2022-11-16 15:55:44,643 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 [2022-11-16 15:55:45,521 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 15:55:45,530 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 15:55:45,565 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 15:56:41,597 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 [2022-11-16 15:56:41,755 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 [2022-11-16 15:56:42,349 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 [2022-11-16 15:56:42,909 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 15:56:42,919 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 15:56:42,970 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 15:57:25,315 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 [2022-11-16 15:57:25,437 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 [2022-11-16 15:57:25,767 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 [2022-11-16 15:57:26,637 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 15:57:26,645 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 15:57:26,677 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 15:58:13,208 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 [2022-11-16 15:58:13,354 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 [2022-11-16 15:58:13,421 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 [2022-11-16 15:58:14,650 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 15:58:14,662 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 15:58:14,664 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 15:59:32,051 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 [2022-11-16 15:59:32,233 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 [2022-11-16 15:59:32,401 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 [2022-11-16 15:59:33,390 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 15:59:33,403 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 15:59:33,413 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 16:00:49,074 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 [2022-11-16 16:00:49,631 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 [2022-11-16 16:00:49,769 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 [2022-11-16 16:00:50,445 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 16:00:50,488 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 16:00:50,495 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 16:02:22,401 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 [2022-11-16 16:02:22,409 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 [2022-11-16 16:02:22,416 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 [2022-11-16 16:02:22,442 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 115 treesize of output 114 [2022-11-16 16:02:22,454 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 113 treesize of output 112 [2022-11-16 16:02:22,463 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 113 treesize of output 112 [2022-11-16 16:02:22,495 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 [2022-11-16 16:02:22,501 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 12 [2022-11-16 16:02:22,510 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 [2022-11-16 16:02:27,632 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 [2022-11-16 16:02:27,787 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 [2022-11-16 16:02:27,889 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 [2022-11-16 16:02:28,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,054 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 [2022-11-16 16:02:28,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,257 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 [2022-11-16 16:02:28,519 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 [2022-11-16 16:02:28,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,691 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 [2022-11-16 16:02:28,812 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 [2022-11-16 16:02:28,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:28,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:02:29,000 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 [2022-11-16 16:02:29,747 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 16:03:59,405 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 [2022-11-16 16:03:59,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,552 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 [2022-11-16 16:03:59,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:03:59,719 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 [2022-11-16 16:03:59,836 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 [2022-11-16 16:04:00,041 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 [2022-11-16 16:04:00,170 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 [2022-11-16 16:04:00,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,321 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 [2022-11-16 16:04:00,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-16 16:04:00,520 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 [2022-11-16 16:04:00,781 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 [2022-11-16 16:04:01,473 WARN L207 Elim1Store]: Array PQE input equivalent to false [2022-11-16 16:04:01,504 WARN L207 Elim1Store]: Array PQE input equivalent to false