./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--isicom.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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/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_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--isicom.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/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_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/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 f2c7848ca043d8b9ca4f9ab4b1ce08f583c2bd8d8967a557df683af547558d91 --- 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 02:11:53,752 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:11:53,755 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:11:53,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:11:53,802 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:11:53,806 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:11:53,808 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:11:53,812 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:11:53,814 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:11:53,819 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:11:53,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:11:53,823 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:11:53,823 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:11:53,826 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:11:53,827 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:11:53,830 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:11:53,831 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:11:53,832 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:11:53,834 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:11:53,841 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:11:53,842 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:11:53,844 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:11:53,847 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:11:53,849 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:11:53,857 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:11:53,857 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:11:53,858 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:11:53,860 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:11:53,860 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:11:53,861 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:11:53,862 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:11:53,864 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:11:53,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:11:53,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:11:53,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:11:53,869 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:11:53,870 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:11:53,870 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:11:53,871 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:11:53,872 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:11:53,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:11:53,873 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 02:11:53,913 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:11:53,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:11:53,914 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:11:53,915 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:11:53,915 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:11:53,916 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:11:53,916 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:11:53,916 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:11:53,916 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:11:53,916 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:11:53,917 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:11:53,918 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:11:53,918 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:11:53,918 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:11:53,918 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:11:53,918 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:11:53,919 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:11:53,919 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:11:53,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:11:53,920 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:11:53,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:11:53,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:11:53,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:11:53,922 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:11:53,922 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:11:53,922 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:11:53,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:11:53,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:11:53,923 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:11:53,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:11:53,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:11:53,923 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:11:53,924 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:11:53,924 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:11:53,924 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:11:53,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:11:53,924 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:11:53,924 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:11:53,925 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_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2c7848ca043d8b9ca4f9ab4b1ce08f583c2bd8d8967a557df683af547558d91 [2022-11-03 02:11:54,203 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:11:54,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:11:54,234 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:11:54,235 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:11:54,236 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:11:54,238 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--isicom.ko-entry_point.cil.out.i [2022-11-03 02:11:54,314 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/bin/utaipan-7li7fVZpFI/data/3becba98b/0906da369dfb490180c310894bbea17d/FLAG4478d02dc [2022-11-03 02:11:55,187 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:11:55,188 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--isicom.ko-entry_point.cil.out.i [2022-11-03 02:11:55,229 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/bin/utaipan-7li7fVZpFI/data/3becba98b/0906da369dfb490180c310894bbea17d/FLAG4478d02dc [2022-11-03 02:11:55,668 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/bin/utaipan-7li7fVZpFI/data/3becba98b/0906da369dfb490180c310894bbea17d [2022-11-03 02:11:55,671 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:11:55,672 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:11:55,674 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:11:55,674 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:11:55,678 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:11:55,679 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:11:55" (1/1) ... [2022-11-03 02:11:55,680 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b2147cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:55, skipping insertion in model container [2022-11-03 02:11:55,680 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:11:55" (1/1) ... [2022-11-03 02:11:55,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:11:55,792 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:11:56,328 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3602] [2022-11-03 02:11:56,329 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3603-3604] [2022-11-03 02:11:56,606 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_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--isicom.ko-entry_point.cil.out.i[110145,110158] [2022-11-03 02:11:57,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:11:57,745 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:11:57,854 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [3602] [2022-11-03 02:11:57,854 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [3603-3604] [2022-11-03 02:11:57,873 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_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--isicom.ko-entry_point.cil.out.i[110145,110158] [2022-11-03 02:11:58,204 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:11:58,342 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:11:58,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:58 WrapperNode [2022-11-03 02:11:58,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:11:58,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:11:58,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:11:58,344 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:11:58,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:58" (1/1) ... [2022-11-03 02:11:58,434 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:58" (1/1) ... [2022-11-03 02:11:58,608 INFO L138 Inliner]: procedures = 199, calls = 1517, calls flagged for inlining = 95, calls inlined = 93, statements flattened = 3820 [2022-11-03 02:11:58,609 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:11:58,611 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:11:58,611 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:11:58,611 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:11:58,624 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:58" (1/1) ... [2022-11-03 02:11:58,625 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:58" (1/1) ... [2022-11-03 02:11:58,669 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:58" (1/1) ... [2022-11-03 02:11:58,669 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:58" (1/1) ... [2022-11-03 02:11:58,836 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:58" (1/1) ... [2022-11-03 02:11:58,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:58" (1/1) ... [2022-11-03 02:11:58,974 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:58" (1/1) ... [2022-11-03 02:11:58,996 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:58" (1/1) ... [2022-11-03 02:11:59,034 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:11:59,036 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:11:59,036 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:11:59,037 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:11:59,038 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:58" (1/1) ... [2022-11-03 02:11:59,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:11:59,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:11:59,068 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:11:59,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:11:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_start [2022-11-03 02:11:59,116 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_start [2022-11-03 02:11:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_set_termios [2022-11-03 02:11:59,116 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_set_termios [2022-11-03 02:11:59,116 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2022-11-03 02:11:59,117 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2022-11-03 02:11:59,117 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 02:11:59,117 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 02:11:59,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 02:11:59,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 02:11:59,117 INFO L130 BoogieDeclarations]: Found specification of procedure tty_kref_put [2022-11-03 02:11:59,117 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_kref_put [2022-11-03 02:11:59,117 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-03 02:11:59,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-03 02:11:59,118 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_tiocmset [2022-11-03 02:11:59,118 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_tiocmset [2022-11-03 02:11:59,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_disconnect_3 [2022-11-03 02:11:59,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_disconnect_3 [2022-11-03 02:11:59,118 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 02:11:59,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 02:11:59,118 INFO L130 BoogieDeclarations]: Found specification of procedure pci_release_region [2022-11-03 02:11:59,119 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_release_region [2022-11-03 02:11:59,119 INFO L130 BoogieDeclarations]: Found specification of procedure char_buf_ptr [2022-11-03 02:11:59,119 INFO L138 BoogieDeclarations]: Found implementation of procedure char_buf_ptr [2022-11-03 02:11:59,119 INFO L130 BoogieDeclarations]: Found specification of procedure raise_dtr [2022-11-03 02:11:59,120 INFO L138 BoogieDeclarations]: Found implementation of procedure raise_dtr [2022-11-03 02:11:59,120 INFO L130 BoogieDeclarations]: Found specification of procedure tty_flip_buffer_push [2022-11-03 02:11:59,120 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_flip_buffer_push [2022-11-03 02:11:59,120 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_chars_in_buffer [2022-11-03 02:11:59,120 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_chars_in_buffer [2022-11-03 02:11:59,120 INFO L130 BoogieDeclarations]: Found specification of procedure tty_insert_flip_char [2022-11-03 02:11:59,120 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_insert_flip_char [2022-11-03 02:11:59,120 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 02:11:59,121 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 02:11:59,121 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_flush_buffer [2022-11-03 02:11:59,121 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_flush_buffer [2022-11-03 02:11:59,121 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2022-11-03 02:11:59,121 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2022-11-03 02:11:59,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 02:11:59,122 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 02:11:59,122 INFO L130 BoogieDeclarations]: Found specification of procedure outsw [2022-11-03 02:11:59,122 INFO L138 BoogieDeclarations]: Found implementation of procedure outsw [2022-11-03 02:11:59,122 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 02:11:59,123 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 02:11:59,123 INFO L130 BoogieDeclarations]: Found specification of procedure insw [2022-11-03 02:11:59,124 INFO L138 BoogieDeclarations]: Found implementation of procedure insw [2022-11-03 02:11:59,124 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_put_char [2022-11-03 02:11:59,125 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_put_char [2022-11-03 02:11:59,125 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 02:11:59,125 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 02:11:59,125 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2022-11-03 02:11:59,125 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2022-11-03 02:11:59,126 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_write_room [2022-11-03 02:11:59,126 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_write_room [2022-11-03 02:11:59,126 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_ioctl [2022-11-03 02:11:59,126 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_ioctl [2022-11-03 02:11:59,126 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-03 02:11:59,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-03 02:11:59,127 INFO L130 BoogieDeclarations]: Found specification of procedure drop_dtr [2022-11-03 02:11:59,127 INFO L138 BoogieDeclarations]: Found implementation of procedure drop_dtr [2022-11-03 02:11:59,127 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 02:11:59,127 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 02:11:59,127 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 02:11:59,127 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 02:11:59,127 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2022-11-03 02:11:59,127 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2022-11-03 02:11:59,128 INFO L130 BoogieDeclarations]: Found specification of procedure put_tty_driver [2022-11-03 02:11:59,128 INFO L138 BoogieDeclarations]: Found implementation of procedure put_tty_driver [2022-11-03 02:11:59,129 INFO L130 BoogieDeclarations]: Found specification of procedure outw [2022-11-03 02:11:59,129 INFO L138 BoogieDeclarations]: Found implementation of procedure outw [2022-11-03 02:11:59,129 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2022-11-03 02:11:59,129 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2022-11-03 02:11:59,129 INFO L130 BoogieDeclarations]: Found specification of procedure tty_port_tty_get [2022-11-03 02:11:59,129 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_port_tty_get [2022-11-03 02:11:59,129 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 02:11:59,129 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 02:11:59,130 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 02:11:59,130 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_dtr_rts [2022-11-03 02:11:59,131 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_dtr_rts [2022-11-03 02:11:59,131 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 02:11:59,131 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 02:11:59,131 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2022-11-03 02:11:59,131 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2022-11-03 02:11:59,131 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_config_port [2022-11-03 02:11:59,132 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_config_port [2022-11-03 02:11:59,132 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 02:11:59,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 02:11:59,132 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_tiocmget [2022-11-03 02:11:59,133 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_tiocmget [2022-11-03 02:11:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_unthrottle [2022-11-03 02:11:59,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_unthrottle [2022-11-03 02:11:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure lock_card [2022-11-03 02:11:59,134 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_card [2022-11-03 02:11:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_flush_chars [2022-11-03 02:11:59,134 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_flush_chars [2022-11-03 02:11:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2022-11-03 02:11:59,134 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2022-11-03 02:11:59,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 02:11:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 02:11:59,135 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 02:11:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-03 02:11:59,135 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-03 02:11:59,135 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 02:11:59,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 02:11:59,136 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_carrier_raised [2022-11-03 02:11:59,136 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_carrier_raised [2022-11-03 02:11:59,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 02:11:59,140 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_hangup [2022-11-03 02:11:59,140 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_hangup [2022-11-03 02:11:59,140 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_throttle [2022-11-03 02:11:59,140 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_throttle [2022-11-03 02:11:59,142 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:11:59,142 INFO L130 BoogieDeclarations]: Found specification of procedure tty_wakeup [2022-11-03 02:11:59,143 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_wakeup [2022-11-03 02:11:59,143 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 02:11:59,143 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 02:11:59,148 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 02:11:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2022-11-03 02:11:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-03 02:11:59,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-03 02:11:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2022-11-03 02:11:59,149 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2022-11-03 02:11:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2022-11-03 02:11:59,149 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2022-11-03 02:11:59,149 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_card [2022-11-03 02:11:59,149 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_card [2022-11-03 02:11:59,150 INFO L130 BoogieDeclarations]: Found specification of procedure isicom_send_break [2022-11-03 02:11:59,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isicom_send_break [2022-11-03 02:11:59,151 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:11:59,151 INFO L130 BoogieDeclarations]: Found specification of procedure inw [2022-11-03 02:11:59,151 INFO L138 BoogieDeclarations]: Found implementation of procedure inw [2022-11-03 02:11:59,151 INFO L130 BoogieDeclarations]: Found specification of procedure WaitTillCardIsFree [2022-11-03 02:11:59,151 INFO L138 BoogieDeclarations]: Found implementation of procedure WaitTillCardIsFree [2022-11-03 02:11:59,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:11:59,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:11:59,152 INFO L130 BoogieDeclarations]: Found specification of procedure tty_unregister_driver [2022-11-03 02:11:59,152 INFO L138 BoogieDeclarations]: Found implementation of procedure tty_unregister_driver [2022-11-03 02:11:59,152 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2022-11-03 02:11:59,152 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2022-11-03 02:11:59,892 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:11:59,903 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:12:00,697 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 02:12:15,087 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:13:29,712 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:13:29,712 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-03 02:13:29,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:13:29 BoogieIcfgContainer [2022-11-03 02:13:29,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:13:29,722 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:13:29,723 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:13:29,726 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:13:29,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:11:55" (1/3) ... [2022-11-03 02:13:29,727 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf8989e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:13:29, skipping insertion in model container [2022-11-03 02:13:29,727 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:11:58" (2/3) ... [2022-11-03 02:13:29,728 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf8989e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:13:29, skipping insertion in model container [2022-11-03 02:13:29,728 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:13:29" (3/3) ... [2022-11-03 02:13:29,732 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--tty--isicom.ko-entry_point.cil.out.i [2022-11-03 02:13:29,755 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:13:29,755 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:13:29,867 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:13:29,877 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;@616d3b16, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:13:29,878 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:13:29,887 INFO L276 IsEmpty]: Start isEmpty. Operand has 1034 states, 643 states have (on average 1.4230171073094868) internal successors, (915), 674 states have internal predecessors, (915), 330 states have call successors, (330), 61 states have call predecessors, (330), 60 states have return successors, (322), 320 states have call predecessors, (322), 322 states have call successors, (322) [2022-11-03 02:13:29,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2022-11-03 02:13:29,940 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:13:29,941 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 4, 4, 4, 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] [2022-11-03 02:13:29,942 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:13:29,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:13:29,949 INFO L85 PathProgramCache]: Analyzing trace with hash 5250517, now seen corresponding path program 1 times [2022-11-03 02:13:29,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:13:29,959 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994523907] [2022-11-03 02:13:29,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:13:29,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:13:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:13:30,856 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2022-11-03 02:13:30,857 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:13:30,861 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994523907] [2022-11-03 02:13:30,862 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994523907] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:13:30,862 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:13:30,863 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:13:30,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867715744] [2022-11-03 02:13:30,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:13:30,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:13:30,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:13:30,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:13:30,908 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:13:30,912 INFO L87 Difference]: Start difference. First operand has 1034 states, 643 states have (on average 1.4230171073094868) internal successors, (915), 674 states have internal predecessors, (915), 330 states have call successors, (330), 61 states have call predecessors, (330), 60 states have return successors, (322), 320 states have call predecessors, (322), 322 states have call successors, (322) Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-03 02:13:33,742 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 02:13:35,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:13:35,029 INFO L93 Difference]: Finished difference Result 2892 states and 4441 transitions. [2022-11-03 02:13:35,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:13:35,032 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 140 [2022-11-03 02:13:35,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:13:35,059 INFO L225 Difference]: With dead ends: 2892 [2022-11-03 02:13:35,059 INFO L226 Difference]: Without dead ends: 1834 [2022-11-03 02:13:35,073 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 02:13:35,076 INFO L413 NwaCegarLoop]: 1669 mSDtfsCounter, 1258 mSDsluCounter, 1536 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1258 SdHoareTripleChecker+Valid, 3073 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2022-11-03 02:13:35,077 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1258 Valid, 3073 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 276 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2022-11-03 02:13:35,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1834 states. [2022-11-03 02:13:35,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1834 to 1834. [2022-11-03 02:13:35,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1834 states, 1159 states have (on average 1.4115616911130284) internal successors, (1636), 1198 states have internal predecessors, (1636), 564 states have call successors, (564), 111 states have call predecessors, (564), 110 states have return successors, (563), 559 states have call predecessors, (563), 563 states have call successors, (563) [2022-11-03 02:13:35,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1834 states to 1834 states and 2763 transitions. [2022-11-03 02:13:35,267 INFO L78 Accepts]: Start accepts. Automaton has 1834 states and 2763 transitions. Word has length 140 [2022-11-03 02:13:35,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:13:35,268 INFO L495 AbstractCegarLoop]: Abstraction has 1834 states and 2763 transitions. [2022-11-03 02:13:35,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 2 states have call successors, (25), 2 states have call predecessors, (25), 1 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2022-11-03 02:13:35,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1834 states and 2763 transitions. [2022-11-03 02:13:35,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2022-11-03 02:13:35,283 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:13:35,283 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 4, 4, 4, 3, 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] [2022-11-03 02:13:35,284 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:13:35,284 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:13:35,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:13:35,285 INFO L85 PathProgramCache]: Analyzing trace with hash -2052916575, now seen corresponding path program 1 times [2022-11-03 02:13:35,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:13:35,285 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [812606289] [2022-11-03 02:13:35,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:13:35,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:13:35,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:13:35,918 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-03 02:13:35,918 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:13:35,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [812606289] [2022-11-03 02:13:35,921 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [812606289] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:13:35,922 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:13:35,922 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:13:35,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [937396575] [2022-11-03 02:13:35,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:13:35,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:13:35,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:13:35,926 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:13:35,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:13:35,926 INFO L87 Difference]: Start difference. First operand 1834 states and 2763 transitions. Second operand has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-03 02:13:38,785 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 02:13:39,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:13:39,339 INFO L93 Difference]: Finished difference Result 3655 states and 5510 transitions. [2022-11-03 02:13:39,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:13:39,340 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 173 [2022-11-03 02:13:39,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:13:39,352 INFO L225 Difference]: With dead ends: 3655 [2022-11-03 02:13:39,353 INFO L226 Difference]: Without dead ends: 1838 [2022-11-03 02:13:39,361 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 02:13:39,362 INFO L413 NwaCegarLoop]: 1398 mSDtfsCounter, 2 mSDsluCounter, 1527 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 2794 SdHoareTripleChecker+Invalid, 270 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:13:39,362 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 2794 Invalid, 270 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 269 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-11-03 02:13:39,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2022-11-03 02:13:39,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1836. [2022-11-03 02:13:39,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1836 states, 1161 states have (on average 1.4108527131782946) internal successors, (1638), 1200 states have internal predecessors, (1638), 564 states have call successors, (564), 111 states have call predecessors, (564), 110 states have return successors, (563), 559 states have call predecessors, (563), 563 states have call successors, (563) [2022-11-03 02:13:39,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1836 states and 2765 transitions. [2022-11-03 02:13:39,469 INFO L78 Accepts]: Start accepts. Automaton has 1836 states and 2765 transitions. Word has length 173 [2022-11-03 02:13:39,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:13:39,471 INFO L495 AbstractCegarLoop]: Abstraction has 1836 states and 2765 transitions. [2022-11-03 02:13:39,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.0) internal successors, (84), 3 states have internal predecessors, (84), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-03 02:13:39,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1836 states and 2765 transitions. [2022-11-03 02:13:39,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2022-11-03 02:13:39,485 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:13:39,486 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 4, 4, 4, 3, 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] [2022-11-03 02:13:39,486 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:13:39,486 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:13:39,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:13:39,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1057663248, now seen corresponding path program 1 times [2022-11-03 02:13:39,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:13:39,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359895894] [2022-11-03 02:13:39,498 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:13:39,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:13:39,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:13:40,057 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-03 02:13:40,058 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:13:40,058 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359895894] [2022-11-03 02:13:40,058 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359895894] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:13:40,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:13:40,059 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:13:40,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1395398160] [2022-11-03 02:13:40,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:13:40,060 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:13:40,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:13:40,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:13:40,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:13:40,062 INFO L87 Difference]: Start difference. First operand 1836 states and 2765 transitions. Second operand has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-03 02:13:42,985 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 02:13:43,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:13:43,504 INFO L93 Difference]: Finished difference Result 3657 states and 5510 transitions. [2022-11-03 02:13:43,505 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:13:43,505 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 175 [2022-11-03 02:13:43,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:13:43,518 INFO L225 Difference]: With dead ends: 3657 [2022-11-03 02:13:43,518 INFO L226 Difference]: Without dead ends: 1838 [2022-11-03 02:13:43,526 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 02:13:43,529 INFO L413 NwaCegarLoop]: 1399 mSDtfsCounter, 0 mSDsluCounter, 1528 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2796 SdHoareTripleChecker+Invalid, 268 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2022-11-03 02:13:43,531 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2796 Invalid, 268 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 267 Invalid, 1 Unknown, 0 Unchecked, 3.3s Time] [2022-11-03 02:13:43,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2022-11-03 02:13:43,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1838. [2022-11-03 02:13:43,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1838 states, 1163 states have (on average 1.410146173688736) internal successors, (1640), 1202 states have internal predecessors, (1640), 564 states have call successors, (564), 111 states have call predecessors, (564), 110 states have return successors, (563), 559 states have call predecessors, (563), 563 states have call successors, (563) [2022-11-03 02:13:43,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2767 transitions. [2022-11-03 02:13:43,620 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2767 transitions. Word has length 175 [2022-11-03 02:13:43,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:13:43,620 INFO L495 AbstractCegarLoop]: Abstraction has 1838 states and 2767 transitions. [2022-11-03 02:13:43,621 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.666666666666668) internal successors, (86), 3 states have internal predecessors, (86), 2 states have call successors, (29), 2 states have call predecessors, (29), 1 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2022-11-03 02:13:43,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2767 transitions. [2022-11-03 02:13:43,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2022-11-03 02:13:43,634 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:13:43,634 INFO L195 NwaCegarLoop]: trace histogram [7, 6, 4, 4, 4, 3, 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 02:13:43,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:13:43,634 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:13:43,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:13:43,636 INFO L85 PathProgramCache]: Analyzing trace with hash -661738849, now seen corresponding path program 1 times [2022-11-03 02:13:43,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:13:43,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822685287] [2022-11-03 02:13:43,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:13:43,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:13:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:13:44,276 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2022-11-03 02:13:44,276 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:13:44,276 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822685287] [2022-11-03 02:13:44,277 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822685287] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:13:44,277 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1230829202] [2022-11-03 02:13:44,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:13:44,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:13:44,278 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:13:44,282 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:13:44,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 02:13:47,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:13:47,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 3500 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:13:47,061 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:13:47,230 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2022-11-03 02:13:47,230 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:13:47,230 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1230829202] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:13:47,230 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:13:47,231 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-03 02:13:47,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892357348] [2022-11-03 02:13:47,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:13:47,232 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:13:47,232 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:13:47,232 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:13:47,232 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:13:47,233 INFO L87 Difference]: Start difference. First operand 1838 states and 2767 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-03 02:13:49,881 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 02:13:51,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:13:51,069 INFO L93 Difference]: Finished difference Result 4491 states and 6759 transitions. [2022-11-03 02:13:51,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:13:51,069 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) Word has length 176 [2022-11-03 02:13:51,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:13:51,087 INFO L225 Difference]: With dead ends: 4491 [2022-11-03 02:13:51,087 INFO L226 Difference]: Without dead ends: 2670 [2022-11-03 02:13:51,096 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:13:51,097 INFO L413 NwaCegarLoop]: 1644 mSDtfsCounter, 1224 mSDsluCounter, 1510 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1224 SdHoareTripleChecker+Valid, 3024 SdHoareTripleChecker+Invalid, 279 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:13:51,097 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1224 Valid, 3024 Invalid, 279 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 275 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-11-03 02:13:51,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2670 states. [2022-11-03 02:13:51,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2670 to 2670. [2022-11-03 02:13:51,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2670 states, 1697 states have (on average 1.4113140836770772) internal successors, (2395), 1755 states have internal predecessors, (2395), 810 states have call successors, (810), 163 states have call predecessors, (810), 162 states have return successors, (809), 803 states have call predecessors, (809), 809 states have call successors, (809) [2022-11-03 02:13:51,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2670 states to 2670 states and 4014 transitions. [2022-11-03 02:13:51,216 INFO L78 Accepts]: Start accepts. Automaton has 2670 states and 4014 transitions. Word has length 176 [2022-11-03 02:13:51,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:13:51,217 INFO L495 AbstractCegarLoop]: Abstraction has 2670 states and 4014 transitions. [2022-11-03 02:13:51,217 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 3 states have internal predecessors, (85), 3 states have call successors, (29), 3 states have call predecessors, (29), 3 states have return successors, (28), 3 states have call predecessors, (28), 3 states have call successors, (28) [2022-11-03 02:13:51,217 INFO L276 IsEmpty]: Start isEmpty. Operand 2670 states and 4014 transitions. [2022-11-03 02:13:51,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2022-11-03 02:13:51,234 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:13:51,234 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 6, 3, 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] [2022-11-03 02:13:51,281 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 02:13:51,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:13:51,448 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:13:51,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:13:51,448 INFO L85 PathProgramCache]: Analyzing trace with hash 534828434, now seen corresponding path program 1 times [2022-11-03 02:13:51,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:13:51,449 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902192732] [2022-11-03 02:13:51,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:13:51,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:13:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:13:52,011 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2022-11-03 02:13:52,011 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:13:52,011 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902192732] [2022-11-03 02:13:52,012 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902192732] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:13:52,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [980193531] [2022-11-03 02:13:52,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:13:52,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:13:52,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:13:52,016 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:13:52,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 02:13:54,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:13:54,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 2997 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:13:54,777 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:13:55,310 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-11-03 02:13:55,310 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:13:55,310 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [980193531] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:13:55,311 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:13:55,311 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-03 02:13:55,311 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098161721] [2022-11-03 02:13:55,311 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:13:55,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:13:55,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:13:55,312 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:13:55,312 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:13:55,312 INFO L87 Difference]: Start difference. First operand 2670 states and 4014 transitions. Second operand has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-11-03 02:13:58,460 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 02:13:59,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:13:59,067 INFO L93 Difference]: Finished difference Result 4333 states and 6652 transitions. [2022-11-03 02:13:59,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:13:59,068 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 195 [2022-11-03 02:13:59,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:13:59,096 INFO L225 Difference]: With dead ends: 4333 [2022-11-03 02:13:59,096 INFO L226 Difference]: Without dead ends: 4330 [2022-11-03 02:13:59,100 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:13:59,101 INFO L413 NwaCegarLoop]: 1702 mSDtfsCounter, 998 mSDsluCounter, 1456 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 998 SdHoareTripleChecker+Valid, 3036 SdHoareTripleChecker+Invalid, 277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2022-11-03 02:13:59,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [998 Valid, 3036 Invalid, 277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 275 Invalid, 1 Unknown, 0 Unchecked, 3.6s Time] [2022-11-03 02:13:59,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4330 states. [2022-11-03 02:13:59,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4330 to 4213. [2022-11-03 02:13:59,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4213 states, 2761 states have (on average 1.4382470119521913) internal successors, (3971), 2832 states have internal predecessors, (3971), 1185 states have call successors, (1185), 267 states have call predecessors, (1185), 266 states have return successors, (1286), 1168 states have call predecessors, (1286), 1184 states have call successors, (1286) [2022-11-03 02:13:59,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4213 states to 4213 states and 6442 transitions. [2022-11-03 02:13:59,303 INFO L78 Accepts]: Start accepts. Automaton has 4213 states and 6442 transitions. Word has length 195 [2022-11-03 02:13:59,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:13:59,306 INFO L495 AbstractCegarLoop]: Abstraction has 4213 states and 6442 transitions. [2022-11-03 02:13:59,306 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 28.333333333333332) internal successors, (85), 2 states have internal predecessors, (85), 2 states have call successors, (32), 2 states have call predecessors, (32), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2022-11-03 02:13:59,307 INFO L276 IsEmpty]: Start isEmpty. Operand 4213 states and 6442 transitions. [2022-11-03 02:13:59,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2022-11-03 02:13:59,336 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:13:59,336 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 6, 3, 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] [2022-11-03 02:13:59,388 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 02:13:59,562 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:13:59,563 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:13:59,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:13:59,563 INFO L85 PathProgramCache]: Analyzing trace with hash -185647960, now seen corresponding path program 1 times [2022-11-03 02:13:59,564 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:13:59,564 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183822878] [2022-11-03 02:13:59,564 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:13:59,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:13:59,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:14:00,171 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2022-11-03 02:14:00,171 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:14:00,171 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183822878] [2022-11-03 02:14:00,171 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183822878] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:14:00,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1203851499] [2022-11-03 02:14:00,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:14:00,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:14:00,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:14:00,173 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:14:00,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 02:14:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:14:03,097 INFO L263 TraceCheckSpWp]: Trace formula consists of 3639 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:14:03,105 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:14:03,578 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2022-11-03 02:14:03,579 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:14:03,579 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1203851499] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:14:03,579 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:14:03,579 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2022-11-03 02:14:03,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1333368844] [2022-11-03 02:14:03,580 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:14:03,580 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:14:03,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:14:03,581 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:14:03,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:14:03,581 INFO L87 Difference]: Start difference. First operand 4213 states and 6442 transitions. Second operand has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 2 states have internal predecessors, (88), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2022-11-03 02:14:06,779 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 02:14:07,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:14:07,451 INFO L93 Difference]: Finished difference Result 5886 states and 9106 transitions. [2022-11-03 02:14:07,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:14:07,452 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 2 states have internal predecessors, (88), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) Word has length 200 [2022-11-03 02:14:07,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:14:07,486 INFO L225 Difference]: With dead ends: 5886 [2022-11-03 02:14:07,486 INFO L226 Difference]: Without dead ends: 5883 [2022-11-03 02:14:07,491 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:14:07,492 INFO L413 NwaCegarLoop]: 1649 mSDtfsCounter, 1011 mSDsluCounter, 1456 mSDsCounter, 0 mSdLazyCounter, 267 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1011 SdHoareTripleChecker+Valid, 2983 SdHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 267 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.7s IncrementalHoareTripleChecker+Time [2022-11-03 02:14:07,492 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1011 Valid, 2983 Invalid, 269 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 267 Invalid, 1 Unknown, 0 Unchecked, 3.7s Time] [2022-11-03 02:14:07,499 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5883 states. [2022-11-03 02:14:07,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5883 to 5766. [2022-11-03 02:14:07,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5766 states, 3831 states have (on average 1.4505351083268077) internal successors, (5557), 3917 states have internal predecessors, (5557), 1568 states have call successors, (1568), 367 states have call predecessors, (1568), 366 states have return successors, (1771), 1541 states have call predecessors, (1771), 1567 states have call successors, (1771) [2022-11-03 02:14:07,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5766 states to 5766 states and 8896 transitions. [2022-11-03 02:14:07,796 INFO L78 Accepts]: Start accepts. Automaton has 5766 states and 8896 transitions. Word has length 200 [2022-11-03 02:14:07,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:14:07,796 INFO L495 AbstractCegarLoop]: Abstraction has 5766 states and 8896 transitions. [2022-11-03 02:14:07,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 29.333333333333332) internal successors, (88), 2 states have internal predecessors, (88), 2 states have call successors, (33), 2 states have call predecessors, (33), 1 states have return successors, (32), 1 states have call predecessors, (32), 1 states have call successors, (32) [2022-11-03 02:14:07,798 INFO L276 IsEmpty]: Start isEmpty. Operand 5766 states and 8896 transitions. [2022-11-03 02:14:07,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-11-03 02:14:07,839 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:14:07,840 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:07,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 02:14:08,066 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2022-11-03 02:14:08,067 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:14:08,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:14:08,068 INFO L85 PathProgramCache]: Analyzing trace with hash 832455234, now seen corresponding path program 1 times [2022-11-03 02:14:08,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:14:08,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118769679] [2022-11-03 02:14:08,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:14:08,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:14:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:14:08,510 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2022-11-03 02:14:08,510 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:14:08,510 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118769679] [2022-11-03 02:14:08,510 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118769679] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:14:08,511 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674269308] [2022-11-03 02:14:08,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:14:08,511 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:14:08,511 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:14:08,512 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:14:08,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 02:14:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:14:11,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 3116 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-03 02:14:11,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:14:11,295 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2022-11-03 02:14:11,295 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 02:14:11,296 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1674269308] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:14:11,296 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 02:14:11,296 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2022-11-03 02:14:11,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292757921] [2022-11-03 02:14:11,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:14:11,297 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:14:11,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:14:11,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:14:11,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:14:11,298 INFO L87 Difference]: Start difference. First operand 5766 states and 8896 transitions. Second operand has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-03 02:14:14,217 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 02:14:15,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:14:15,135 INFO L93 Difference]: Finished difference Result 16957 states and 26149 transitions. [2022-11-03 02:14:15,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:14:15,136 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) Word has length 228 [2022-11-03 02:14:15,137 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:14:15,209 INFO L225 Difference]: With dead ends: 16957 [2022-11-03 02:14:15,209 INFO L226 Difference]: Without dead ends: 11208 [2022-11-03 02:14:15,243 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-03 02:14:15,244 INFO L413 NwaCegarLoop]: 1690 mSDtfsCounter, 1453 mSDsluCounter, 1434 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1453 SdHoareTripleChecker+Valid, 3002 SdHoareTripleChecker+Invalid, 304 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-03 02:14:15,244 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1453 Valid, 3002 Invalid, 304 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 290 Invalid, 1 Unknown, 0 Unchecked, 3.5s Time] [2022-11-03 02:14:15,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11208 states. [2022-11-03 02:14:15,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11208 to 11202. [2022-11-03 02:14:15,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11202 states, 7474 states have (on average 1.4514316296494514) internal successors, (10848), 7645 states have internal predecessors, (10848), 3004 states have call successors, (3004), 724 states have call predecessors, (3004), 723 states have return successors, (3375), 2948 states have call predecessors, (3375), 3003 states have call successors, (3375) [2022-11-03 02:14:15,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11202 states to 11202 states and 17227 transitions. [2022-11-03 02:14:15,781 INFO L78 Accepts]: Start accepts. Automaton has 11202 states and 17227 transitions. Word has length 228 [2022-11-03 02:14:15,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:14:15,781 INFO L495 AbstractCegarLoop]: Abstraction has 11202 states and 17227 transitions. [2022-11-03 02:14:15,782 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 38.666666666666664) internal successors, (116), 3 states have internal predecessors, (116), 3 states have call successors, (36), 3 states have call predecessors, (36), 3 states have return successors, (35), 3 states have call predecessors, (35), 3 states have call successors, (35) [2022-11-03 02:14:15,782 INFO L276 IsEmpty]: Start isEmpty. Operand 11202 states and 17227 transitions. [2022-11-03 02:14:15,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2022-11-03 02:14:15,858 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:14:15,858 INFO L195 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 6, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:14:15,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-03 02:14:16,078 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:14:16,079 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:14:16,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:14:16,079 INFO L85 PathProgramCache]: Analyzing trace with hash -242760822, now seen corresponding path program 1 times [2022-11-03 02:14:16,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:14:16,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889987368] [2022-11-03 02:14:16,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:14:16,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:14:16,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:14:16,523 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2022-11-03 02:14:16,523 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:14:16,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889987368] [2022-11-03 02:14:16,524 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889987368] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 02:14:16,524 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1645337969] [2022-11-03 02:14:16,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:14:16,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 02:14:16,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:14:16,526 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 02:14:16,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5342c303-2d44-49d5-ad6a-7e64bd7fbfc4/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-03 02:14:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:14:19,023 INFO L263 TraceCheckSpWp]: Trace formula consists of 3116 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 02:14:19,029 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 02:14:19,068 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 73 proven. 1 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2022-11-03 02:14:19,068 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 02:14:19,240 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2022-11-03 02:14:19,241 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1645337969] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 02:14:19,241 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1660546956] [2022-11-03 02:14:19,267 INFO L159 IcfgInterpreter]: Started Sifa with 150 locations of interest [2022-11-03 02:14:19,267 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 02:14:19,273 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 02:14:19,279 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 02:14:19,279 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 02:14:23,660 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 22 select indices, 22 select index equivalence classes, 276 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 1907 treesize of output 1544 [2022-11-03 02:14:24,629 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 395 treesize of output 320 [2022-11-03 02:14:24,918 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 395 treesize of output 320 [2022-11-03 02:14:29,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,667 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 24 select indices, 24 select index equivalence classes, 276 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 1908 treesize of output 1430 [2022-11-03 02:14:29,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:29,856 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 190 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 63 [2022-11-03 02:14:30,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:30,213 INFO L244 Elim1Store]: Index analysis took 183 ms [2022-11-03 02:14:30,221 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 70 select indices, 70 select index equivalence classes, 2415 disjoint index pairs (out of 2415 index pairs), introduced 70 new quantified variables, introduced 0 case distinctions, treesize of input 489 treesize of output 211 [2022-11-03 02:14:30,368 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 231 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 69 [2022-11-03 02:14:30,444 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 19 [2022-11-03 02:14:33,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:33,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:33,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:33,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:33,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:33,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:33,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:33,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:33,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:33,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:33,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:33,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:33,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:33,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:33,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:33,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:33,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:33,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:33,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:33,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:33,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:33,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:33,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:33,838 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 24 select indices, 24 select index equivalence classes, 276 disjoint index pairs (out of 276 index pairs), introduced 24 new quantified variables, introduced 0 case distinctions, treesize of input 1908 treesize of output 1430 [2022-11-03 02:14:34,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,055 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 20 select indices, 20 select index equivalence classes, 190 disjoint index pairs (out of 190 index pairs), introduced 20 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 63 [2022-11-03 02:14:34,144 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 19 [2022-11-03 02:14:34,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,409 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:34,472 INFO L244 Elim1Store]: Index analysis took 180 ms [2022-11-03 02:14:34,482 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 70 select indices, 70 select index equivalence classes, 2415 disjoint index pairs (out of 2415 index pairs), introduced 70 new quantified variables, introduced 0 case distinctions, treesize of input 489 treesize of output 211 [2022-11-03 02:14:34,626 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 22 select indices, 22 select index equivalence classes, 231 disjoint index pairs (out of 231 index pairs), introduced 22 new quantified variables, introduced 0 case distinctions, treesize of input 157 treesize of output 69 [2022-11-03 02:14:46,921 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-03 02:14:46,921 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-11-03 02:14:47,026 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 02:14:47,026 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2022-11-03 02:14:47,913 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 25 treesize of output 1 [2022-11-03 02:14:48,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:48,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:48,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:48,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:48,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:48,033 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 759 treesize of output 613 [2022-11-03 02:14:48,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:48,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:48,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:48,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:48,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:48,220 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 759 treesize of output 613 [2022-11-03 02:14:49,270 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 7 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 37 [2022-11-03 02:14:49,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:49,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:49,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:49,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:49,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:49,411 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 780 treesize of output 634 [2022-11-03 02:14:49,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:49,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:49,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:49,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:49,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:49,528 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 791 treesize of output 643 [2022-11-03 02:14:49,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:49,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:49,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:49,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:49,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:49,823 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 799 treesize of output 653 [2022-11-03 02:14:49,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:49,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:49,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:49,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:49,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:49,941 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 810 treesize of output 662 [2022-11-03 02:14:54,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:55,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:55,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:55,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:55,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:55,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:55,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:55,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:55,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:55,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:55,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:55,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:55,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:55,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:55,181 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:14:55,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:55,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:55,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:55,220 INFO L244 Elim1Store]: Index analysis took 234 ms [2022-11-03 02:14:55,225 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 3979 treesize of output 3663 [2022-11-03 02:14:55,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:55,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:55,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:55,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:55,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:55,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:55,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:55,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:55,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:55,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:55,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:55,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:55,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:55,936 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:14:55,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:55,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:55,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:55,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:55,971 INFO L244 Elim1Store]: Index analysis took 218 ms [2022-11-03 02:14:55,976 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 3973 treesize of output 3657 [2022-11-03 02:14:56,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:56,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:56,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:56,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:56,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:56,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:56,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:56,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:56,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:56,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:56,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:56,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:56,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:56,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:56,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:56,447 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 4005 treesize of output 3691 [2022-11-03 02:14:56,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:56,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:56,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:56,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:56,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:56,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:56,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:56,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:56,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:56,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:56,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:56,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:56,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:56,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:56,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:56,888 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 3988 treesize of output 3674 [2022-11-03 02:14:57,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:57,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:57,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:57,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:57,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:57,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:57,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:57,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:57,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:57,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:57,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:57,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:57,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:57,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:57,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:57,275 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 4005 treesize of output 3691 [2022-11-03 02:14:57,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:57,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:57,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:57,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:57,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:57,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:57,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:57,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:57,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:57,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:57,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:57,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:57,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:57,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:57,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:14:57,717 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 3988 treesize of output 3674 [2022-11-03 02:14:58,060 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:14:58,139 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 3972 treesize of output 3966 [2022-11-03 02:14:58,457 INFO L173 IndexEqualityManager]: detected equality via solver [2022-11-03 02:14:58,468 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 15 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 3977 treesize of output 3989 [2022-11-03 02:15:06,178 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 12 [2022-11-03 02:15:06,224 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 25 [2022-11-03 02:15:06,267 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 12 [2022-11-03 02:15:06,481 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 31 [2022-11-03 02:15:06,517 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 16 treesize of output 12 [2022-11-03 02:15:06,578 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 16 treesize of output 12 [2022-11-03 02:15:07,213 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-11-03 02:15:07,255 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2022-11-03 02:15:07,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:15:07,361 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2022-11-03 02:15:07,460 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-03 02:15:07,508 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2022-11-03 02:15:08,690 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 25 [2022-11-03 02:15:08,764 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 12 [2022-11-03 02:15:08,854 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 12 [2022-11-03 02:15:11,553 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-03 02:15:11,553 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-03 02:15:12,689 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-03 02:15:12,690 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-03 02:15:13,726 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 16 treesize of output 12 [2022-11-03 02:15:14,289 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 16 treesize of output 12 [2022-11-03 02:15:14,370 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 31 [2022-11-03 02:15:14,876 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 19 [2022-11-03 02:15:14,920 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2022-11-03 02:15:15,009 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 36 [2022-11-03 02:15:15,049 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 30 [2022-11-03 02:15:15,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 02:15:15,320 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 8 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 39 [2022-11-03 02:15:16,145 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 12 [2022-11-03 02:15:16,198 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 25 [2022-11-03 02:15:16,543 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 12 [2022-11-03 02:15:18,885 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-03 02:15:18,886 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-03 02:15:19,867 INFO L356 Elim1Store]: treesize reduction 15, result has 25.0 percent of original size [2022-11-03 02:15:19,867 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 11 [2022-11-03 02:15:26,137 INFO L356 Elim1Store]: treesize reduction 11, result has 45.0 percent of original size [2022-11-03 02:15:26,137 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 9 treesize of output 15 [2022-11-03 02:15:26,357 INFO L356 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2022-11-03 02:15:26,358 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 21 [2022-11-03 02:15:32,326 INFO L197 IcfgInterpreter]: Interpreting procedure IS_ERR with input of size 150 for LOIs [2022-11-03 02:15:32,596 INFO L197 IcfgInterpreter]: Interpreting procedure ldv__builtin_expect with input of size 150 for LOIs [2022-11-03 02:15:32,609 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 1997 for LOIs [2022-11-03 02:15:42,177 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_malloc with input of size 155 for LOIs [2022-11-03 02:15:42,249 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 02:16:06,636 WARN L234 SmtUtils]: Spent 24.20s on a formula simplification that was a NOOP. DAG size: 1851 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:17:08,656 WARN L234 SmtUtils]: Spent 1.02m on a formula simplification. DAG size of input: 1997 DAG size of output: 1859 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:18:12,943 WARN L234 SmtUtils]: Spent 1.06m on a formula simplification. DAG size of input: 2005 DAG size of output: 1868 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:19:19,182 WARN L234 SmtUtils]: Spent 1.09m on a formula simplification. DAG size of input: 2011 DAG size of output: 1874 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:19:35,427 WARN L234 SmtUtils]: Spent 7.67s on a formula simplification. DAG size of input: 714 DAG size of output: 708 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:19:44,299 WARN L234 SmtUtils]: Spent 8.37s on a formula simplification. DAG size of input: 736 DAG size of output: 730 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:19:53,400 WARN L234 SmtUtils]: Spent 8.56s on a formula simplification. DAG size of input: 750 DAG size of output: 734 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:20:02,598 WARN L234 SmtUtils]: Spent 8.64s on a formula simplification. DAG size of input: 754 DAG size of output: 738 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:20:12,107 WARN L234 SmtUtils]: Spent 9.00s on a formula simplification. DAG size of input: 762 DAG size of output: 744 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:20:21,802 WARN L234 SmtUtils]: Spent 9.11s on a formula simplification. DAG size of input: 766 DAG size of output: 748 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:20:31,491 WARN L234 SmtUtils]: Spent 9.14s on a formula simplification. DAG size of input: 777 DAG size of output: 759 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:20:41,203 WARN L234 SmtUtils]: Spent 9.15s on a formula simplification. DAG size of input: 779 DAG size of output: 761 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:20:50,857 WARN L234 SmtUtils]: Spent 9.09s on a formula simplification. DAG size of input: 782 DAG size of output: 764 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:21:00,304 WARN L234 SmtUtils]: Spent 8.86s on a formula simplification. DAG size of input: 770 DAG size of output: 752 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:21:46,992 WARN L234 SmtUtils]: Spent 44.90s on a formula simplification. DAG size of input: 936 DAG size of output: 808 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:21:57,080 WARN L234 SmtUtils]: Spent 9.36s on a formula simplification. DAG size of input: 787 DAG size of output: 766 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:22:06,749 WARN L234 SmtUtils]: Spent 8.94s on a formula simplification. DAG size of input: 777 DAG size of output: 756 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:22:57,645 WARN L234 SmtUtils]: Spent 9.61s on a formula simplification. DAG size of input: 784 DAG size of output: 766 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:23:07,927 WARN L234 SmtUtils]: Spent 9.27s on a formula simplification. DAG size of input: 786 DAG size of output: 768 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:23:17,896 WARN L234 SmtUtils]: Spent 8.97s on a formula simplification. DAG size of input: 769 DAG size of output: 751 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:23:28,798 WARN L234 SmtUtils]: Spent 9.76s on a formula simplification. DAG size of input: 792 DAG size of output: 771 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:23:38,778 WARN L234 SmtUtils]: Spent 8.93s on a formula simplification. DAG size of input: 773 DAG size of output: 752 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:23:38,783 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [1660546956] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:23:38,783 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-03 02:23:38,783 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [44] imperfect sequences [4, 4, 4] total 50 [2022-11-03 02:23:38,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754554378] [2022-11-03 02:23:38,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:23:38,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 45 states [2022-11-03 02:23:38,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:23:38,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2022-11-03 02:23:38,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=2283, Unknown=0, NotChecked=0, Total=2450 [2022-11-03 02:23:38,786 INFO L87 Difference]: Start difference. First operand 11202 states and 17227 transitions. Second operand has 45 states, 36 states have (on average 2.888888888888889) internal successors, (104), 33 states have internal predecessors, (104), 8 states have call successors, (36), 5 states have call predecessors, (36), 5 states have return successors, (35), 8 states have call predecessors, (35), 8 states have call successors, (35) [2022-11-03 02:24:05,651 WARN L234 SmtUtils]: Spent 24.48s on a formula simplification that was a NOOP. DAG size: 1855 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:24:31,405 WARN L234 SmtUtils]: Spent 24.89s on a formula simplification that was a NOOP. DAG size: 1873 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 02:24:51,961 WARN L234 SmtUtils]: Spent 11.21s on a formula simplification. DAG size of input: 806 DAG size of output: 776 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)