./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3401cab-e0f3-49d3-ae64-c541396fd130/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3401cab-e0f3-49d3-ae64-c541396fd130/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3401cab-e0f3-49d3-ae64-c541396fd130/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3401cab-e0f3-49d3-ae64-c541396fd130/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3401cab-e0f3-49d3-ae64-c541396fd130/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3401cab-e0f3-49d3-ae64-c541396fd130/bin/utaipan-7li7fVZpFI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash afcb5021e5e481beab65460a6812c8dbe401f7b06cf3fcadf18504395cd90d4a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 04:01:35,760 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 04:01:35,763 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 04:01:35,810 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 04:01:35,810 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 04:01:35,814 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 04:01:35,816 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 04:01:35,822 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 04:01:35,824 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 04:01:35,830 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 04:01:35,831 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 04:01:35,833 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 04:01:35,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 04:01:35,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 04:01:35,839 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 04:01:35,840 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 04:01:35,842 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 04:01:35,843 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 04:01:35,845 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 04:01:35,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 04:01:35,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 04:01:35,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 04:01:35,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 04:01:35,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 04:01:35,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 04:01:35,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 04:01:35,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 04:01:35,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 04:01:35,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 04:01:35,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 04:01:35,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 04:01:35,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 04:01:35,876 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 04:01:35,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 04:01:35,879 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 04:01:35,879 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 04:01:35,880 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 04:01:35,880 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 04:01:35,881 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 04:01:35,882 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 04:01:35,882 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 04:01:35,883 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3401cab-e0f3-49d3-ae64-c541396fd130/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 04:01:35,922 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 04:01:35,922 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 04:01:35,923 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 04:01:35,923 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 04:01:35,924 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 04:01:35,925 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 04:01:35,925 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 04:01:35,925 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 04:01:35,926 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 04:01:35,926 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 04:01:35,927 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 04:01:35,927 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 04:01:35,928 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 04:01:35,928 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 04:01:35,928 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 04:01:35,929 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 04:01:35,929 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 04:01:35,929 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 04:01:35,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 04:01:35,931 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 04:01:35,931 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 04:01:35,931 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 04:01:35,932 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 04:01:35,932 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 04:01:35,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 04:01:35,933 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 04:01:35,934 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 04:01:35,935 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 04:01:35,935 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 04:01:35,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:01:35,936 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 04:01:35,936 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 04:01:35,936 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 04:01:35,937 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 04:01:35,937 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 04:01:35,937 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 04:01:35,938 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 04:01:35,938 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 04:01:35,938 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_c3401cab-e0f3-49d3-ae64-c541396fd130/bin/utaipan-7li7fVZpFI/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3401cab-e0f3-49d3-ae64-c541396fd130/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> afcb5021e5e481beab65460a6812c8dbe401f7b06cf3fcadf18504395cd90d4a [2022-11-03 04:01:36,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 04:01:36,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 04:01:36,231 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 04:01:36,232 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 04:01:36,233 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 04:01:36,234 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3401cab-e0f3-49d3-ae64-c541396fd130/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2022-11-03 04:01:36,321 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3401cab-e0f3-49d3-ae64-c541396fd130/bin/utaipan-7li7fVZpFI/data/e725dcec9/c684c189e34c4b12ba9157f716e30f3e/FLAGe4d40a325 [2022-11-03 04:01:36,993 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 04:01:36,994 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3401cab-e0f3-49d3-ae64-c541396fd130/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2022-11-03 04:01:37,023 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3401cab-e0f3-49d3-ae64-c541396fd130/bin/utaipan-7li7fVZpFI/data/e725dcec9/c684c189e34c4b12ba9157f716e30f3e/FLAGe4d40a325 [2022-11-03 04:01:37,307 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3401cab-e0f3-49d3-ae64-c541396fd130/bin/utaipan-7li7fVZpFI/data/e725dcec9/c684c189e34c4b12ba9157f716e30f3e [2022-11-03 04:01:37,310 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 04:01:37,311 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 04:01:37,312 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 04:01:37,313 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 04:01:37,316 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 04:01:37,318 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:01:37" (1/1) ... [2022-11-03 04:01:37,320 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@663f0111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:01:37, skipping insertion in model container [2022-11-03 04:01:37,320 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:01:37" (1/1) ... [2022-11-03 04:01:37,327 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 04:01:37,458 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 04:01:38,467 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3401cab-e0f3-49d3-ae64-c541396fd130/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i[136556,136569] [2022-11-03 04:01:38,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:01:38,682 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 04:01:38,953 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3401cab-e0f3-49d3-ae64-c541396fd130/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i[136556,136569] [2022-11-03 04:01:38,979 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:01:39,073 INFO L208 MainTranslator]: Completed translation [2022-11-03 04:01:39,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:01:39 WrapperNode [2022-11-03 04:01:39,074 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 04:01:39,075 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 04:01:39,075 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 04:01:39,075 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 04:01:39,083 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:01:39" (1/1) ... [2022-11-03 04:01:39,160 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:01:39" (1/1) ... [2022-11-03 04:01:39,281 INFO L138 Inliner]: procedures = 173, calls = 858, calls flagged for inlining = 50, calls inlined = 47, statements flattened = 2059 [2022-11-03 04:01:39,282 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 04:01:39,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 04:01:39,283 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 04:01:39,283 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 04:01:39,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:01:39" (1/1) ... [2022-11-03 04:01:39,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:01:39" (1/1) ... [2022-11-03 04:01:39,317 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:01:39" (1/1) ... [2022-11-03 04:01:39,321 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:01:39" (1/1) ... [2022-11-03 04:01:39,404 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:01:39" (1/1) ... [2022-11-03 04:01:39,428 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:01:39" (1/1) ... [2022-11-03 04:01:39,444 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:01:39" (1/1) ... [2022-11-03 04:01:39,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:01:39" (1/1) ... [2022-11-03 04:01:39,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 04:01:39,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 04:01:39,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 04:01:39,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 04:01:39,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:01:39" (1/1) ... [2022-11-03 04:01:39,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:01:39,521 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3401cab-e0f3-49d3-ae64-c541396fd130/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:01:39,534 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3401cab-e0f3-49d3-ae64-c541396fd130/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 04:01:39,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3401cab-e0f3-49d3-ae64-c541396fd130/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 04:01:39,580 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2022-11-03 04:01:39,581 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2022-11-03 04:01:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure pci_bus_alloc_resource [2022-11-03 04:01:39,581 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_bus_alloc_resource [2022-11-03 04:01:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure add_interval [2022-11-03 04:01:39,581 INFO L138 BoogieDeclarations]: Found implementation of procedure add_interval [2022-11-03 04:01:39,581 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 04:01:39,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 04:01:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 04:01:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2022-11-03 04:01:39,582 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2022-11-03 04:01:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure sub_interval [2022-11-03 04:01:39,582 INFO L138 BoogieDeclarations]: Found implementation of procedure sub_interval [2022-11-03 04:01:39,582 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 04:01:39,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 04:01:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_mem_region [2022-11-03 04:01:39,583 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_mem_region [2022-11-03 04:01:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 04:01:39,583 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 04:01:39,583 INFO L130 BoogieDeclarations]: Found specification of procedure free_region [2022-11-03 04:01:39,584 INFO L138 BoogieDeclarations]: Found implementation of procedure free_region [2022-11-03 04:01:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_7 [2022-11-03 04:01:39,584 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_7 [2022-11-03 04:01:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 04:01:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 04:01:39,584 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 04:01:39,584 INFO L130 BoogieDeclarations]: Found specification of procedure __nonstatic_adjust_io_region [2022-11-03 04:01:39,585 INFO L138 BoogieDeclarations]: Found implementation of procedure __nonstatic_adjust_io_region [2022-11-03 04:01:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-03 04:01:39,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2022-11-03 04:01:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 04:01:39,585 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 04:01:39,585 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_6 [2022-11-03 04:01:39,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_6 [2022-11-03 04:01:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_release_resource_db [2022-11-03 04:01:39,586 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_release_resource_db [2022-11-03 04:01:39,586 INFO L130 BoogieDeclarations]: Found specification of procedure do_mem_probe [2022-11-03 04:01:39,586 INFO L138 BoogieDeclarations]: Found implementation of procedure do_mem_probe [2022-11-03 04:01:39,587 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_make_resource [2022-11-03 04:01:39,587 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_make_resource [2022-11-03 04:01:39,587 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 04:01:39,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 04:01:39,587 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_init [2022-11-03 04:01:39,587 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_init [2022-11-03 04:01:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure nonstatic_find_io [2022-11-03 04:01:39,588 INFO L138 BoogieDeclarations]: Found implementation of procedure nonstatic_find_io [2022-11-03 04:01:39,588 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2022-11-03 04:01:39,589 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2022-11-03 04:01:39,589 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 04:01:39,590 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 04:01:39,590 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 04:01:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2022-11-03 04:01:39,591 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2022-11-03 04:01:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2022-11-03 04:01:39,591 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2022-11-03 04:01:39,591 INFO L130 BoogieDeclarations]: Found specification of procedure pccard_sysfs_add_rsrc [2022-11-03 04:01:39,591 INFO L138 BoogieDeclarations]: Found implementation of procedure pccard_sysfs_add_rsrc [2022-11-03 04:01:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 04:01:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure static_init [2022-11-03 04:01:39,592 INFO L138 BoogieDeclarations]: Found implementation of procedure static_init [2022-11-03 04:01:39,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 04:01:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 04:01:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure do_validate_mem [2022-11-03 04:01:39,593 INFO L138 BoogieDeclarations]: Found implementation of procedure do_validate_mem [2022-11-03 04:01:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure allocate_resource [2022-11-03 04:01:39,593 INFO L138 BoogieDeclarations]: Found implementation of procedure allocate_resource [2022-11-03 04:01:39,593 INFO L130 BoogieDeclarations]: Found specification of procedure pcmcia_nonstatic_validate_mem [2022-11-03 04:01:39,593 INFO L138 BoogieDeclarations]: Found implementation of procedure pcmcia_nonstatic_validate_mem [2022-11-03 04:01:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 04:01:39,594 INFO L130 BoogieDeclarations]: Found specification of procedure static_find_io [2022-11-03 04:01:39,594 INFO L138 BoogieDeclarations]: Found implementation of procedure static_find_io [2022-11-03 04:01:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure ioremap [2022-11-03 04:01:39,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ioremap [2022-11-03 04:01:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure show_mem_db [2022-11-03 04:01:39,595 INFO L138 BoogieDeclarations]: Found implementation of procedure show_mem_db [2022-11-03 04:01:39,595 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_io [2022-11-03 04:01:39,596 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_io [2022-11-03 04:01:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 04:01:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 04:01:39,596 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 04:01:39,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 04:01:39,597 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2022-11-03 04:01:39,597 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2022-11-03 04:01:39,598 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2022-11-03 04:01:39,598 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2022-11-03 04:01:39,599 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-03 04:01:39,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2022-11-03 04:01:39,600 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2022-11-03 04:01:39,600 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2022-11-03 04:01:39,655 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 04:01:39,655 INFO L130 BoogieDeclarations]: Found specification of procedure resource_size [2022-11-03 04:01:39,655 INFO L138 BoogieDeclarations]: Found implementation of procedure resource_size [2022-11-03 04:01:39,655 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_memory [2022-11-03 04:01:39,655 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_memory [2022-11-03 04:01:39,655 INFO L130 BoogieDeclarations]: Found specification of procedure adjust_resource [2022-11-03 04:01:39,655 INFO L138 BoogieDeclarations]: Found implementation of procedure adjust_resource [2022-11-03 04:01:39,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 04:01:39,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 04:01:39,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2022-11-03 04:01:39,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_ops_mutex_of_pcmcia_socket [2022-11-03 04:01:39,656 INFO L130 BoogieDeclarations]: Found specification of procedure claim_region [2022-11-03 04:01:39,656 INFO L138 BoogieDeclarations]: Found implementation of procedure claim_region [2022-11-03 04:01:39,656 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2022-11-03 04:01:39,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_ops_mutex_of_pcmcia_socket [2022-11-03 04:01:39,656 INFO L130 BoogieDeclarations]: Found specification of procedure show_io_db [2022-11-03 04:01:39,656 INFO L138 BoogieDeclarations]: Found implementation of procedure show_io_db [2022-11-03 04:01:40,212 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 04:01:40,217 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 04:01:40,573 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 04:01:42,341 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 04:01:42,799 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 04:01:42,802 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 04:01:42,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:01:42 BoogieIcfgContainer [2022-11-03 04:01:42,807 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 04:01:42,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 04:01:42,812 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 04:01:42,815 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 04:01:42,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:01:37" (1/3) ... [2022-11-03 04:01:42,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d8a26a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:01:42, skipping insertion in model container [2022-11-03 04:01:42,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:01:39" (2/3) ... [2022-11-03 04:01:42,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d8a26a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:01:42, skipping insertion in model container [2022-11-03 04:01:42,818 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:01:42" (3/3) ... [2022-11-03 04:01:42,819 INFO L112 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-32_7a-drivers--pcmcia--pcmcia_rsrc.ko-entry_point.cil.out.i [2022-11-03 04:01:42,837 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 04:01:42,838 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 04:01:42,929 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 04:01:42,940 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;@bdd3e1e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 04:01:42,940 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 04:01:42,946 INFO L276 IsEmpty]: Start isEmpty. Operand has 655 states, 430 states have (on average 1.416279069767442) internal successors, (609), 447 states have internal predecessors, (609), 177 states have call successors, (177), 47 states have call predecessors, (177), 46 states have return successors, (168), 168 states have call predecessors, (168), 168 states have call successors, (168) [2022-11-03 04:01:42,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-11-03 04:01:42,982 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:01:42,983 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:01:42,984 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:01:42,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:01:42,990 INFO L85 PathProgramCache]: Analyzing trace with hash 161473973, now seen corresponding path program 1 times [2022-11-03 04:01:43,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:01:43,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345022530] [2022-11-03 04:01:43,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:01:43,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:01:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:01:44,126 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2022-11-03 04:01:44,126 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:01:44,127 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345022530] [2022-11-03 04:01:44,128 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345022530] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:01:44,128 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:01:44,129 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:01:44,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079067456] [2022-11-03 04:01:44,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:01:44,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:01:44,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:01:44,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:01:44,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:01:44,180 INFO L87 Difference]: Start difference. First operand has 655 states, 430 states have (on average 1.416279069767442) internal successors, (609), 447 states have internal predecessors, (609), 177 states have call successors, (177), 47 states have call predecessors, (177), 46 states have return successors, (168), 168 states have call predecessors, (168), 168 states have call successors, (168) Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-03 04:01:45,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:01:45,618 INFO L93 Difference]: Finished difference Result 1828 states and 2706 transitions. [2022-11-03 04:01:45,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:01:45,621 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 195 [2022-11-03 04:01:45,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:01:45,644 INFO L225 Difference]: With dead ends: 1828 [2022-11-03 04:01:45,644 INFO L226 Difference]: Without dead ends: 1199 [2022-11-03 04:01:45,653 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:01:45,656 INFO L413 NwaCegarLoop]: 968 mSDtfsCounter, 882 mSDsluCounter, 866 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 882 SdHoareTripleChecker+Valid, 1732 SdHoareTripleChecker+Invalid, 218 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2022-11-03 04:01:45,657 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [882 Valid, 1732 Invalid, 218 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2022-11-03 04:01:45,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1199 states. [2022-11-03 04:01:45,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1199 to 1187. [2022-11-03 04:01:45,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1187 states, 802 states have (on average 1.4052369077306732) internal successors, (1127), 811 states have internal predecessors, (1127), 294 states have call successors, (294), 91 states have call predecessors, (294), 90 states have return successors, (289), 288 states have call predecessors, (289), 289 states have call successors, (289) [2022-11-03 04:01:45,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 1187 states and 1710 transitions. [2022-11-03 04:01:45,847 INFO L78 Accepts]: Start accepts. Automaton has 1187 states and 1710 transitions. Word has length 195 [2022-11-03 04:01:45,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:01:45,850 INFO L495 AbstractCegarLoop]: Abstraction has 1187 states and 1710 transitions. [2022-11-03 04:01:45,851 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-03 04:01:45,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1187 states and 1710 transitions. [2022-11-03 04:01:45,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2022-11-03 04:01:45,859 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:01:45,860 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:01:45,860 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 04:01:45,860 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:01:45,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:01:45,861 INFO L85 PathProgramCache]: Analyzing trace with hash 1471113232, now seen corresponding path program 1 times [2022-11-03 04:01:45,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:01:45,863 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120526644] [2022-11-03 04:01:45,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:01:45,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:01:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:01:46,398 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2022-11-03 04:01:46,398 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:01:46,398 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120526644] [2022-11-03 04:01:46,399 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120526644] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:01:46,399 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:01:46,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:01:46,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980910688] [2022-11-03 04:01:46,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:01:46,401 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:01:46,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:01:46,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:01:46,402 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:01:46,402 INFO L87 Difference]: Start difference. First operand 1187 states and 1710 transitions. Second operand has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-11-03 04:01:47,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:01:47,781 INFO L93 Difference]: Finished difference Result 3425 states and 4926 transitions. [2022-11-03 04:01:47,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:01:47,782 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) Word has length 192 [2022-11-03 04:01:47,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:01:47,802 INFO L225 Difference]: With dead ends: 3425 [2022-11-03 04:01:47,802 INFO L226 Difference]: Without dead ends: 2287 [2022-11-03 04:01:47,808 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:01:47,814 INFO L413 NwaCegarLoop]: 989 mSDtfsCounter, 800 mSDsluCounter, 915 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 800 SdHoareTripleChecker+Valid, 1803 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-03 04:01:47,815 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [800 Valid, 1803 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-03 04:01:47,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2287 states. [2022-11-03 04:01:47,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2287 to 2283. [2022-11-03 04:01:47,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2283 states, 1557 states have (on average 1.409762363519589) internal successors, (2195), 1570 states have internal predecessors, (2195), 545 states have call successors, (545), 181 states have call predecessors, (545), 180 states have return successors, (540), 539 states have call predecessors, (540), 540 states have call successors, (540) [2022-11-03 04:01:47,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2283 states to 2283 states and 3280 transitions. [2022-11-03 04:01:47,973 INFO L78 Accepts]: Start accepts. Automaton has 2283 states and 3280 transitions. Word has length 192 [2022-11-03 04:01:47,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:01:47,975 INFO L495 AbstractCegarLoop]: Abstraction has 2283 states and 3280 transitions. [2022-11-03 04:01:47,975 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.333333333333334) internal successors, (46), 3 states have internal predecessors, (46), 2 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 1 states have call predecessors, (26), 1 states have call successors, (26) [2022-11-03 04:01:47,975 INFO L276 IsEmpty]: Start isEmpty. Operand 2283 states and 3280 transitions. [2022-11-03 04:01:47,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-11-03 04:01:47,979 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:01:47,979 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:01:47,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 04:01:47,980 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:01:47,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:01:47,990 INFO L85 PathProgramCache]: Analyzing trace with hash -155997961, now seen corresponding path program 1 times [2022-11-03 04:01:47,991 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:01:47,991 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852839934] [2022-11-03 04:01:47,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:01:47,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:01:48,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:01:48,385 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2022-11-03 04:01:48,386 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:01:48,386 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852839934] [2022-11-03 04:01:48,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852839934] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:01:48,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:01:48,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:01:48,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115268289] [2022-11-03 04:01:48,388 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:01:48,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:01:48,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:01:48,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:01:48,397 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:01:48,397 INFO L87 Difference]: Start difference. First operand 2283 states and 3280 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-03 04:01:50,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:01:51,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:01:51,188 INFO L93 Difference]: Finished difference Result 6632 states and 9503 transitions. [2022-11-03 04:01:51,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:01:51,189 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) Word has length 197 [2022-11-03 04:01:51,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:01:51,217 INFO L225 Difference]: With dead ends: 6632 [2022-11-03 04:01:51,217 INFO L226 Difference]: Without dead ends: 4398 [2022-11-03 04:01:51,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:01:51,228 INFO L413 NwaCegarLoop]: 985 mSDtfsCounter, 781 mSDsluCounter, 916 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 781 SdHoareTripleChecker+Valid, 1799 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2022-11-03 04:01:51,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [781 Valid, 1799 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 220 Invalid, 1 Unknown, 0 Unchecked, 2.6s Time] [2022-11-03 04:01:51,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4398 states. [2022-11-03 04:01:51,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4398 to 4385. [2022-11-03 04:01:51,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4385 states, 3003 states have (on average 1.4122544122544123) internal successors, (4241), 3026 states have internal predecessors, (4241), 1021 states have call successors, (1021), 361 states have call predecessors, (1021), 360 states have return successors, (1016), 1013 states have call predecessors, (1016), 1016 states have call successors, (1016) [2022-11-03 04:01:51,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4385 states to 4385 states and 6278 transitions. [2022-11-03 04:01:51,571 INFO L78 Accepts]: Start accepts. Automaton has 4385 states and 6278 transitions. Word has length 197 [2022-11-03 04:01:51,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:01:51,572 INFO L495 AbstractCegarLoop]: Abstraction has 4385 states and 6278 transitions. [2022-11-03 04:01:51,573 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 2 states have call successors, (30), 2 states have call predecessors, (30), 1 states have return successors, (27), 2 states have call predecessors, (27), 2 states have call successors, (27) [2022-11-03 04:01:51,573 INFO L276 IsEmpty]: Start isEmpty. Operand 4385 states and 6278 transitions. [2022-11-03 04:01:51,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2022-11-03 04:01:51,576 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:01:51,577 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:01:51,577 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 04:01:51,577 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:01:51,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:01:51,578 INFO L85 PathProgramCache]: Analyzing trace with hash -1372399101, now seen corresponding path program 1 times [2022-11-03 04:01:51,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:01:51,579 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413755645] [2022-11-03 04:01:51,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:01:51,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:01:51,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:01:51,999 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2022-11-03 04:01:52,000 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:01:52,000 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413755645] [2022-11-03 04:01:52,002 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1413755645] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:01:52,003 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:01:52,003 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:01:52,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82405457] [2022-11-03 04:01:52,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:01:52,004 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:01:52,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:01:52,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:01:52,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:01:52,005 INFO L87 Difference]: Start difference. First operand 4385 states and 6278 transitions. Second operand has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-03 04:01:52,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:01:52,637 INFO L93 Difference]: Finished difference Result 4387 states and 6279 transitions. [2022-11-03 04:01:52,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:01:52,638 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 194 [2022-11-03 04:01:52,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:01:52,662 INFO L225 Difference]: With dead ends: 4387 [2022-11-03 04:01:52,663 INFO L226 Difference]: Without dead ends: 4384 [2022-11-03 04:01:52,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:01:52,670 INFO L413 NwaCegarLoop]: 820 mSDtfsCounter, 862 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 862 SdHoareTripleChecker+Valid, 820 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-03 04:01:52,671 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [862 Valid, 820 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-03 04:01:52,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4384 states. [2022-11-03 04:01:52,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4384 to 4384. [2022-11-03 04:01:52,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4384 states, 3003 states have (on average 1.4119214119214119) internal successors, (4240), 3025 states have internal predecessors, (4240), 1020 states have call successors, (1020), 361 states have call predecessors, (1020), 360 states have return successors, (1016), 1013 states have call predecessors, (1016), 1016 states have call successors, (1016) [2022-11-03 04:01:52,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4384 states to 4384 states and 6276 transitions. [2022-11-03 04:01:52,916 INFO L78 Accepts]: Start accepts. Automaton has 4384 states and 6276 transitions. Word has length 194 [2022-11-03 04:01:52,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:01:52,920 INFO L495 AbstractCegarLoop]: Abstraction has 4384 states and 6276 transitions. [2022-11-03 04:01:52,920 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.0) internal successors, (48), 3 states have internal predecessors, (48), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-03 04:01:52,920 INFO L276 IsEmpty]: Start isEmpty. Operand 4384 states and 6276 transitions. [2022-11-03 04:01:52,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-11-03 04:01:52,924 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:01:52,924 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:01:52,924 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 04:01:52,925 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:01:52,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:01:52,925 INFO L85 PathProgramCache]: Analyzing trace with hash 405003669, now seen corresponding path program 1 times [2022-11-03 04:01:52,925 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:01:52,926 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042459142] [2022-11-03 04:01:52,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:01:52,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:01:53,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:01:53,252 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2022-11-03 04:01:53,252 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:01:53,252 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042459142] [2022-11-03 04:01:53,252 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042459142] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:01:53,253 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:01:53,253 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:01:53,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1635439559] [2022-11-03 04:01:53,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:01:53,254 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:01:53,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:01:53,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:01:53,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:01:53,255 INFO L87 Difference]: Start difference. First operand 4384 states and 6276 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-03 04:01:54,314 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:01:54,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:01:54,783 INFO L93 Difference]: Finished difference Result 4386 states and 6277 transitions. [2022-11-03 04:01:54,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:01:54,784 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 195 [2022-11-03 04:01:54,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:01:54,810 INFO L225 Difference]: With dead ends: 4386 [2022-11-03 04:01:54,810 INFO L226 Difference]: Without dead ends: 4383 [2022-11-03 04:01:54,813 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:01:54,814 INFO L413 NwaCegarLoop]: 818 mSDtfsCounter, 859 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 859 SdHoareTripleChecker+Valid, 818 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2022-11-03 04:01:54,814 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [859 Valid, 818 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2022-11-03 04:01:54,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4383 states. [2022-11-03 04:01:55,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4383 to 4383. [2022-11-03 04:01:55,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4383 states, 3003 states have (on average 1.4115884115884116) internal successors, (4239), 3024 states have internal predecessors, (4239), 1019 states have call successors, (1019), 361 states have call predecessors, (1019), 360 states have return successors, (1016), 1013 states have call predecessors, (1016), 1016 states have call successors, (1016) [2022-11-03 04:01:55,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4383 states to 4383 states and 6274 transitions. [2022-11-03 04:01:55,093 INFO L78 Accepts]: Start accepts. Automaton has 4383 states and 6274 transitions. Word has length 195 [2022-11-03 04:01:55,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:01:55,094 INFO L495 AbstractCegarLoop]: Abstraction has 4383 states and 6274 transitions. [2022-11-03 04:01:55,095 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-03 04:01:55,095 INFO L276 IsEmpty]: Start isEmpty. Operand 4383 states and 6274 transitions. [2022-11-03 04:01:55,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-11-03 04:01:55,098 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:01:55,098 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:01:55,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-03 04:01:55,099 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:01:55,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:01:55,099 INFO L85 PathProgramCache]: Analyzing trace with hash -330080442, now seen corresponding path program 1 times [2022-11-03 04:01:55,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:01:55,100 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324944983] [2022-11-03 04:01:55,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:01:55,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:01:55,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:01:55,429 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2022-11-03 04:01:55,429 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:01:55,430 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324944983] [2022-11-03 04:01:55,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324944983] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:01:55,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:01:55,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:01:55,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760111916] [2022-11-03 04:01:55,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:01:55,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:01:55,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:01:55,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:01:55,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:01:55,432 INFO L87 Difference]: Start difference. First operand 4383 states and 6274 transitions. Second operand has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-03 04:01:56,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:01:56,203 INFO L93 Difference]: Finished difference Result 9537 states and 13690 transitions. [2022-11-03 04:01:56,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:01:56,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 196 [2022-11-03 04:01:56,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:01:56,242 INFO L225 Difference]: With dead ends: 9537 [2022-11-03 04:01:56,243 INFO L226 Difference]: Without dead ends: 5199 [2022-11-03 04:01:56,260 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:01:56,261 INFO L413 NwaCegarLoop]: 870 mSDtfsCounter, 821 mSDsluCounter, 296 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 821 SdHoareTripleChecker+Valid, 1124 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-03 04:01:56,261 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [821 Valid, 1124 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-03 04:01:56,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5199 states. [2022-11-03 04:01:56,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5199 to 5169. [2022-11-03 04:01:56,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5169 states, 3530 states have (on average 1.3971671388101983) internal successors, (4932), 3562 states have internal predecessors, (4932), 1182 states have call successors, (1182), 470 states have call predecessors, (1182), 456 states have return successors, (1202), 1160 states have call predecessors, (1202), 1178 states have call successors, (1202) [2022-11-03 04:01:56,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5169 states to 5169 states and 7316 transitions. [2022-11-03 04:01:56,755 INFO L78 Accepts]: Start accepts. Automaton has 5169 states and 7316 transitions. Word has length 196 [2022-11-03 04:01:56,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:01:56,756 INFO L495 AbstractCegarLoop]: Abstraction has 5169 states and 7316 transitions. [2022-11-03 04:01:56,756 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 3 states have call successors, (27), 2 states have call predecessors, (27), 1 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2022-11-03 04:01:56,756 INFO L276 IsEmpty]: Start isEmpty. Operand 5169 states and 7316 transitions. [2022-11-03 04:01:56,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2022-11-03 04:01:56,764 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:01:56,764 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:01:56,764 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-03 04:01:56,764 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:01:56,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:01:56,765 INFO L85 PathProgramCache]: Analyzing trace with hash -1671583690, now seen corresponding path program 1 times [2022-11-03 04:01:56,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:01:56,765 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945059589] [2022-11-03 04:01:56,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:01:56,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:01:56,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:01:57,222 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 670 trivial. 0 not checked. [2022-11-03 04:01:57,222 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:01:57,222 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945059589] [2022-11-03 04:01:57,222 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945059589] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:01:57,222 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:01:57,223 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:01:57,223 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298402019] [2022-11-03 04:01:57,223 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:01:57,223 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:01:57,224 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:01:57,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:01:57,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:01:57,224 INFO L87 Difference]: Start difference. First operand 5169 states and 7316 transitions. Second operand has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-03 04:01:58,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:01:58,865 INFO L93 Difference]: Finished difference Result 15229 states and 21500 transitions. [2022-11-03 04:01:58,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:01:58,866 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 271 [2022-11-03 04:01:58,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:01:58,922 INFO L225 Difference]: With dead ends: 15229 [2022-11-03 04:01:58,922 INFO L226 Difference]: Without dead ends: 10109 [2022-11-03 04:01:58,944 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:01:58,945 INFO L413 NwaCegarLoop]: 1024 mSDtfsCounter, 862 mSDsluCounter, 825 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 862 SdHoareTripleChecker+Valid, 1749 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:01:58,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [862 Valid, 1749 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2022-11-03 04:01:58,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10109 states. [2022-11-03 04:01:59,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10109 to 10099. [2022-11-03 04:01:59,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10099 states, 6892 states have (on average 1.3940800928612884) internal successors, (9608), 6956 states have internal predecessors, (9608), 2294 states have call successors, (2294), 938 states have call predecessors, (2294), 912 states have return successors, (2338), 2252 states have call predecessors, (2338), 2290 states have call successors, (2338) [2022-11-03 04:01:59,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10099 states to 10099 states and 14240 transitions. [2022-11-03 04:01:59,584 INFO L78 Accepts]: Start accepts. Automaton has 10099 states and 14240 transitions. Word has length 271 [2022-11-03 04:01:59,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:01:59,586 INFO L495 AbstractCegarLoop]: Abstraction has 10099 states and 14240 transitions. [2022-11-03 04:01:59,586 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 26.666666666666668) internal successors, (80), 3 states have internal predecessors, (80), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-03 04:01:59,586 INFO L276 IsEmpty]: Start isEmpty. Operand 10099 states and 14240 transitions. [2022-11-03 04:01:59,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2022-11-03 04:01:59,592 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:01:59,592 INFO L195 NwaCegarLoop]: trace histogram [16, 16, 8, 8, 8, 8, 8, 8, 8, 8, 8, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:01:59,592 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-03 04:01:59,593 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:01:59,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:01:59,593 INFO L85 PathProgramCache]: Analyzing trace with hash -614692856, now seen corresponding path program 1 times [2022-11-03 04:01:59,593 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:01:59,593 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267112905] [2022-11-03 04:01:59,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:01:59,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:01:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:02:00,018 INFO L134 CoverageAnalysis]: Checked inductivity of 670 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 670 trivial. 0 not checked. [2022-11-03 04:02:00,019 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:02:00,019 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267112905] [2022-11-03 04:02:00,019 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [267112905] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:02:00,019 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:02:00,019 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:02:00,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [634312092] [2022-11-03 04:02:00,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:02:00,020 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:02:00,020 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:02:00,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:02:00,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:02:00,021 INFO L87 Difference]: Start difference. First operand 10099 states and 14240 transitions. Second operand has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-03 04:02:01,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:02:01,702 INFO L93 Difference]: Finished difference Result 27992 states and 39389 transitions. [2022-11-03 04:02:01,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:02:01,703 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) Word has length 274 [2022-11-03 04:02:01,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:02:01,789 INFO L225 Difference]: With dead ends: 27992 [2022-11-03 04:02:01,789 INFO L226 Difference]: Without dead ends: 17942 [2022-11-03 04:02:01,827 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:02:01,828 INFO L413 NwaCegarLoop]: 1348 mSDtfsCounter, 836 mSDsluCounter, 825 mSDsCounter, 0 mSdLazyCounter, 298 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 836 SdHoareTripleChecker+Valid, 2072 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 298 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-03 04:02:01,828 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [836 Valid, 2072 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 298 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-03 04:02:01,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17942 states. [2022-11-03 04:02:02,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17942 to 17933. [2022-11-03 04:02:02,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17933 states, 12226 states have (on average 1.3893342057909372) internal successors, (16986), 12342 states have internal predecessors, (16986), 4060 states have call successors, (4060), 1688 states have call predecessors, (4060), 1646 states have return successors, (4152), 3990 states have call predecessors, (4152), 4056 states have call successors, (4152) [2022-11-03 04:02:03,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17933 states to 17933 states and 25198 transitions. [2022-11-03 04:02:03,067 INFO L78 Accepts]: Start accepts. Automaton has 17933 states and 25198 transitions. Word has length 274 [2022-11-03 04:02:03,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:02:03,068 INFO L495 AbstractCegarLoop]: Abstraction has 17933 states and 25198 transitions. [2022-11-03 04:02:03,068 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 27.666666666666668) internal successors, (83), 3 states have internal predecessors, (83), 2 states have call successors, (40), 2 states have call predecessors, (40), 1 states have return successors, (34), 2 states have call predecessors, (34), 2 states have call successors, (34) [2022-11-03 04:02:03,068 INFO L276 IsEmpty]: Start isEmpty. Operand 17933 states and 25198 transitions. [2022-11-03 04:02:03,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2022-11-03 04:02:03,077 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:02:03,077 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 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, 1, 1, 1, 1, 1, 1] [2022-11-03 04:02:03,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-03 04:02:03,078 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:02:03,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:02:03,078 INFO L85 PathProgramCache]: Analyzing trace with hash -154236966, now seen corresponding path program 1 times [2022-11-03 04:02:03,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:02:03,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [990336976] [2022-11-03 04:02:03,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:02:03,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:02:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:02:03,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1893 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1893 trivial. 0 not checked. [2022-11-03 04:02:03,664 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:02:03,665 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [990336976] [2022-11-03 04:02:03,665 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [990336976] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:02:03,665 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:02:03,665 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:02:03,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596240369] [2022-11-03 04:02:03,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:02:03,667 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:02:03,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:02:03,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:02:03,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:02:03,669 INFO L87 Difference]: Start difference. First operand 17933 states and 25198 transitions. Second operand has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-03 04:02:05,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:02:05,361 INFO L93 Difference]: Finished difference Result 20435 states and 28384 transitions. [2022-11-03 04:02:05,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:02:05,361 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) Word has length 339 [2022-11-03 04:02:05,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:02:05,437 INFO L225 Difference]: With dead ends: 20435 [2022-11-03 04:02:05,438 INFO L226 Difference]: Without dead ends: 17323 [2022-11-03 04:02:05,458 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:02:05,461 INFO L413 NwaCegarLoop]: 982 mSDtfsCounter, 289 mSDsluCounter, 868 mSDsCounter, 0 mSdLazyCounter, 232 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 1754 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 232 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-03 04:02:05,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 1754 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 232 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-03 04:02:05,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17323 states. [2022-11-03 04:02:06,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17323 to 17231. [2022-11-03 04:02:06,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17231 states, 11763 states have (on average 1.3893564566862195) internal successors, (16343), 11882 states have internal predecessors, (16343), 3887 states have call successors, (3887), 1615 states have call predecessors, (3887), 1580 states have return successors, (3850), 3813 states have call predecessors, (3850), 3850 states have call successors, (3850) [2022-11-03 04:02:06,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17231 states to 17231 states and 24080 transitions. [2022-11-03 04:02:06,700 INFO L78 Accepts]: Start accepts. Automaton has 17231 states and 24080 transitions. Word has length 339 [2022-11-03 04:02:06,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:02:06,701 INFO L495 AbstractCegarLoop]: Abstraction has 17231 states and 24080 transitions. [2022-11-03 04:02:06,701 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 24.333333333333332) internal successors, (73), 3 states have internal predecessors, (73), 3 states have call successors, (42), 3 states have call predecessors, (42), 2 states have return successors, (39), 2 states have call predecessors, (39), 2 states have call successors, (39) [2022-11-03 04:02:06,702 INFO L276 IsEmpty]: Start isEmpty. Operand 17231 states and 24080 transitions. [2022-11-03 04:02:06,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2022-11-03 04:02:06,752 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:02:06,752 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:02:06,753 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-03 04:02:06,753 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:02:06,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:02:06,754 INFO L85 PathProgramCache]: Analyzing trace with hash -1032345958, now seen corresponding path program 1 times [2022-11-03 04:02:06,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:02:06,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541244259] [2022-11-03 04:02:06,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:02:06,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:02:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:02:10,818 INFO L134 CoverageAnalysis]: Checked inductivity of 1927 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 1913 trivial. 0 not checked. [2022-11-03 04:02:10,819 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:02:10,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541244259] [2022-11-03 04:02:10,819 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541244259] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 04:02:10,819 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [489506149] [2022-11-03 04:02:10,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:02:10,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:02:10,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3401cab-e0f3-49d3-ae64-c541396fd130/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:02:10,826 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3401cab-e0f3-49d3-ae64-c541396fd130/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:02:10,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3401cab-e0f3-49d3-ae64-c541396fd130/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 04:02:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:02:12,712 INFO L263 TraceCheckSpWp]: Trace formula consists of 4016 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 04:02:12,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:02:12,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1927 backedges. 845 proven. 0 refuted. 0 times theorem prover too weak. 1082 trivial. 0 not checked. [2022-11-03 04:02:12,889 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:02:12,892 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [489506149] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:02:12,892 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 04:02:12,892 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [14] total 16 [2022-11-03 04:02:12,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054459654] [2022-11-03 04:02:12,893 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:02:12,893 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-11-03 04:02:12,894 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:02:12,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-03 04:02:12,895 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2022-11-03 04:02:12,895 INFO L87 Difference]: Start difference. First operand 17231 states and 24080 transitions. Second operand has 4 states, 3 states have (on average 35.0) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (52), 2 states have call predecessors, (52), 3 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-11-03 04:02:15,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:02:15,487 INFO L93 Difference]: Finished difference Result 34508 states and 48405 transitions. [2022-11-03 04:02:15,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-03 04:02:15,495 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 35.0) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (52), 2 states have call predecessors, (52), 3 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) Word has length 405 [2022-11-03 04:02:15,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:02:15,601 INFO L225 Difference]: With dead ends: 34508 [2022-11-03 04:02:15,601 INFO L226 Difference]: Without dead ends: 17263 [2022-11-03 04:02:15,663 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 404 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=239, Unknown=0, NotChecked=0, Total=272 [2022-11-03 04:02:15,663 INFO L413 NwaCegarLoop]: 812 mSDtfsCounter, 1 mSDsluCounter, 1783 mSDsCounter, 0 mSdLazyCounter, 357 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2390 SdHoareTripleChecker+Invalid, 378 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 357 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2022-11-03 04:02:15,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2390 Invalid, 378 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 357 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2022-11-03 04:02:15,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17263 states. [2022-11-03 04:02:16,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17263 to 17263. [2022-11-03 04:02:16,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17263 states, 11795 states have (on average 1.3883001271725308) internal successors, (16375), 11914 states have internal predecessors, (16375), 3887 states have call successors, (3887), 1615 states have call predecessors, (3887), 1580 states have return successors, (3850), 3813 states have call predecessors, (3850), 3850 states have call successors, (3850) [2022-11-03 04:02:17,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17263 states to 17263 states and 24112 transitions. [2022-11-03 04:02:17,047 INFO L78 Accepts]: Start accepts. Automaton has 17263 states and 24112 transitions. Word has length 405 [2022-11-03 04:02:17,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:02:17,048 INFO L495 AbstractCegarLoop]: Abstraction has 17263 states and 24112 transitions. [2022-11-03 04:02:17,048 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 35.0) internal successors, (105), 4 states have internal predecessors, (105), 2 states have call successors, (52), 2 states have call predecessors, (52), 3 states have return successors, (46), 2 states have call predecessors, (46), 2 states have call successors, (46) [2022-11-03 04:02:17,049 INFO L276 IsEmpty]: Start isEmpty. Operand 17263 states and 24112 transitions. [2022-11-03 04:02:17,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2022-11-03 04:02:17,111 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:02:17,111 INFO L195 NwaCegarLoop]: trace histogram [18, 18, 18, 18, 18, 18, 18, 18, 18, 16, 16, 16, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 04:02:17,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3401cab-e0f3-49d3-ae64-c541396fd130/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 04:02:17,330 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3401cab-e0f3-49d3-ae64-c541396fd130/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-11-03 04:02:17,331 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:02:17,331 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:02:17,332 INFO L85 PathProgramCache]: Analyzing trace with hash 621753162, now seen corresponding path program 1 times [2022-11-03 04:02:17,332 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:02:17,332 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712409999] [2022-11-03 04:02:17,332 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:02:17,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:02:17,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:02:21,683 INFO L134 CoverageAnalysis]: Checked inductivity of 2303 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 2289 trivial. 0 not checked. [2022-11-03 04:02:21,684 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:02:21,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712409999] [2022-11-03 04:02:21,684 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1712409999] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 04:02:21,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [704903075] [2022-11-03 04:02:21,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:02:21,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:02:21,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3401cab-e0f3-49d3-ae64-c541396fd130/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:02:21,686 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3401cab-e0f3-49d3-ae64-c541396fd130/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:02:21,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3401cab-e0f3-49d3-ae64-c541396fd130/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 04:02:23,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:02:23,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 4256 conjuncts, 74 conjunts are in the unsatisfiable core [2022-11-03 04:02:23,175 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:02:23,349 INFO L134 CoverageAnalysis]: Checked inductivity of 2303 backedges. 8 proven. 12 refuted. 0 times theorem prover too weak. 2283 trivial. 0 not checked. [2022-11-03 04:02:23,349 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:02:24,777 INFO L134 CoverageAnalysis]: Checked inductivity of 2303 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 2289 trivial. 0 not checked. [2022-11-03 04:02:24,778 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [704903075] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:02:24,778 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1366469323] [2022-11-03 04:02:24,803 INFO L159 IcfgInterpreter]: Started Sifa with 158 locations of interest [2022-11-03 04:02:24,803 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:02:24,808 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:02:24,813 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:02:24,814 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:02:26,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:26,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:26,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:26,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:26,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:26,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:27,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:27,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:27,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:27,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:27,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:27,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:27,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:27,229 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:27,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:27,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:02:27,249 INFO L244 Elim1Store]: Index analysis took 776 ms [2022-11-03 04:05:13,745 WARN L234 SmtUtils]: Spent 2.77m on a formula simplification. DAG size of input: 3862 DAG size of output: 1381 (called from [L 353] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2022-11-03 04:05:13,756 INFO L356 Elim1Store]: treesize reduction 27636, result has 8.7 percent of original size [2022-11-03 04:05:13,760 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 55 select indices, 55 select index equivalence classes, 773 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 779 case distinctions, treesize of input 807 treesize of output 3289 [2022-11-03 04:05:17,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:17,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:17,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:17,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:17,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:17,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:17,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:17,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:17,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:17,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:17,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:18,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:18,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:18,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:18,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:18,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:18,037 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 38 select indices, 38 select index equivalence classes, 1447 disjoint index pairs (out of 703 index pairs), introduced 38 new quantified variables, introduced 0 case distinctions, treesize of input 242 treesize of output 385 [2022-11-03 04:05:32,750 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 9 [2022-11-03 04:05:32,760 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2022-11-03 04:05:32,768 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2022-11-03 04:05:38,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:38,621 INFO L244 Elim1Store]: Index analysis took 176 ms [2022-11-03 04:05:38,634 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 73 select indices, 73 select index equivalence classes, 502 disjoint index pairs (out of 2628 index pairs), introduced 73 new quantified variables, introduced 0 case distinctions, treesize of input 626 treesize of output 220 [2022-11-03 04:05:39,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:39,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:39,459 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:39,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:39,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:39,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:39,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:39,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:39,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:39,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:39,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:39,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:39,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:39,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:39,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:39,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:39,514 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 55 select indices, 55 select index equivalence classes, 1485 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 276 treesize of output 166 [2022-11-03 04:05:40,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:40,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:40,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:40,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:40,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:40,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:40,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:40,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:40,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:40,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:40,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:40,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:40,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:40,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:40,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:40,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:05:40,213 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 54 select indices, 54 select index equivalence classes, 1447 disjoint index pairs (out of 1431 index pairs), introduced 54 new quantified variables, introduced 0 case distinctions, treesize of input 271 treesize of output 163 [2022-11-03 04:06:01,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:01,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:01,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:01,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:01,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:01,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:01,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:01,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:01,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:01,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:01,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:01,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:01,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:01,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:01,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:01,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:01,527 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 55 select indices, 55 select index equivalence classes, 1485 disjoint index pairs (out of 1485 index pairs), introduced 55 new quantified variables, introduced 0 case distinctions, treesize of input 276 treesize of output 166 [2022-11-03 04:06:02,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:02,713 INFO L244 Elim1Store]: Index analysis took 181 ms [2022-11-03 04:06:02,727 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 73 select indices, 73 select index equivalence classes, 502 disjoint index pairs (out of 2628 index pairs), introduced 73 new quantified variables, introduced 0 case distinctions, treesize of input 626 treesize of output 220 [2022-11-03 04:06:03,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:03,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:03,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:03,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:03,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:03,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:03,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:03,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:03,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:03,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:03,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:03,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:03,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:03,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:03,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:03,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:06:03,655 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 54 select indices, 54 select index equivalence classes, 1447 disjoint index pairs (out of 1431 index pairs), introduced 54 new quantified variables, introduced 0 case distinctions, treesize of input 271 treesize of output 163 [2022-11-03 04:06:20,814 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-03 04:06:20,991 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 04:06:21,589 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 04:06:29,468 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-03 04:06:30,971 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 04:06:31,279 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 04:06:47,984 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-03 04:06:48,803 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 04:06:48,922 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 04:06:57,305 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 04:06:57,895 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 04:06:58,127 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-03 04:09:23,124 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-03 04:09:23,715 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 04:09:24,456 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 04:09:27,496 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 04:09:27,539 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 04:09:27,622 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 04:14:28,536 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2022-11-03 04:14:29,998 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 04:14:30,333 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2022-11-03 04:14:32,288 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 04:14:32,390 WARN L234 Elim1Store]: Array PQE input equivalent to false [2022-11-03 04:14:32,406 WARN L234 Elim1Store]: Array PQE input equivalent to false