./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--net--fddi--defxx.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_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/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_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/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--net--fddi--defxx.ko-entry_point.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/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_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/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 7ede4537c48caea37472e4c8ac2076bad2737918f5afe1a2cfd1e12976491d8e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-5e519f3 [2022-11-03 04:10:48,767 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 04:10:48,770 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 04:10:48,829 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 04:10:48,830 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 04:10:48,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 04:10:48,833 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 04:10:48,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 04:10:48,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 04:10:48,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 04:10:48,838 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 04:10:48,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 04:10:48,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 04:10:48,841 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 04:10:48,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 04:10:48,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 04:10:48,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 04:10:48,846 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 04:10:48,848 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 04:10:48,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 04:10:48,852 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 04:10:48,857 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 04:10:48,858 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 04:10:48,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 04:10:48,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 04:10:48,874 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 04:10:48,874 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 04:10:48,876 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 04:10:48,876 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 04:10:48,877 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 04:10:48,879 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 04:10:48,880 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 04:10:48,882 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 04:10:48,883 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 04:10:48,886 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 04:10:48,887 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 04:10:48,888 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 04:10:48,888 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 04:10:48,888 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 04:10:48,889 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 04:10:48,890 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 04:10:48,891 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-64bit-Taipan_Default.epf [2022-11-03 04:10:48,932 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 04:10:48,933 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 04:10:48,933 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 04:10:48,934 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 04:10:48,935 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 04:10:48,935 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 04:10:48,936 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 04:10:48,936 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 04:10:48,936 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 04:10:48,936 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 04:10:48,938 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 04:10:48,938 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 04:10:48,938 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 04:10:48,939 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 04:10:48,939 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 04:10:48,939 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 04:10:48,939 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 04:10:48,940 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 04:10:48,941 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 04:10:48,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 04:10:48,941 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 04:10:48,941 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 04:10:48,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 04:10:48,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 04:10:48,942 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 04:10:48,942 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 04:10:48,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 04:10:48,943 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 04:10:48,943 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 04:10:48,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:10:48,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 04:10:48,945 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 04:10:48,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 04:10:48,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 04:10:48,945 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 04:10:48,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 04:10:48,946 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 04:10:48,946 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 04:10:48,946 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_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ede4537c48caea37472e4c8ac2076bad2737918f5afe1a2cfd1e12976491d8e [2022-11-03 04:10:49,326 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 04:10:49,374 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 04:10:49,377 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 04:10:49,379 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 04:10:49,380 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 04:10:49,382 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2022-11-03 04:10:49,455 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/data/5025a2c95/eceb887507224245bfa7430cf61b8744/FLAG73027e040 [2022-11-03 04:10:50,599 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 04:10:50,600 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2022-11-03 04:10:50,673 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/data/5025a2c95/eceb887507224245bfa7430cf61b8744/FLAG73027e040 [2022-11-03 04:10:50,864 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/data/5025a2c95/eceb887507224245bfa7430cf61b8744 [2022-11-03 04:10:50,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 04:10:50,870 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 04:10:50,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 04:10:50,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 04:10:50,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 04:10:50,880 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:10:50" (1/1) ... [2022-11-03 04:10:50,881 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@615035ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:10:50, skipping insertion in model container [2022-11-03 04:10:50,881 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 04:10:50" (1/1) ... [2022-11-03 04:10:50,891 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 04:10:51,080 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 04:10:51,798 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5957] [2022-11-03 04:10:51,809 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5958-5959] [2022-11-03 04:10:52,153 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_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i[182958,182971] [2022-11-03 04:10:53,382 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:10:53,432 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 04:10:53,626 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [5957] [2022-11-03 04:10:53,626 WARN L1244 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [5958-5959] [2022-11-03 04:10:53,642 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_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/sv-benchmarks/c/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i[182958,182971] [2022-11-03 04:10:53,945 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 04:10:54,118 INFO L208 MainTranslator]: Completed translation [2022-11-03 04:10:54,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:10:54 WrapperNode [2022-11-03 04:10:54,119 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 04:10:54,120 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 04:10:54,120 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 04:10:54,121 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 04:10:54,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:10:54" (1/1) ... [2022-11-03 04:10:54,226 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:10:54" (1/1) ... [2022-11-03 04:10:54,395 INFO L138 Inliner]: procedures = 219, calls = 1605, calls flagged for inlining = 116, calls inlined = 113, statements flattened = 3091 [2022-11-03 04:10:54,395 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 04:10:54,396 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 04:10:54,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 04:10:54,397 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 04:10:54,408 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:10:54" (1/1) ... [2022-11-03 04:10:54,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:10:54" (1/1) ... [2022-11-03 04:10:54,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:10:54" (1/1) ... [2022-11-03 04:10:54,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:10:54" (1/1) ... [2022-11-03 04:10:54,600 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:10:54" (1/1) ... [2022-11-03 04:10:54,630 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:10:54" (1/1) ... [2022-11-03 04:10:54,673 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:10:54" (1/1) ... [2022-11-03 04:10:54,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:10:54" (1/1) ... [2022-11-03 04:10:54,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 04:10:54,739 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 04:10:54,739 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 04:10:54,739 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 04:10:54,741 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:10:54" (1/1) ... [2022-11-03 04:10:54,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 04:10:54,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:10:54,780 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 04:10:54,802 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 04:10:54,837 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2022-11-03 04:10:54,837 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2022-11-03 04:10:54,837 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2022-11-03 04:10:54,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2022-11-03 04:10:54,838 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2022-11-03 04:10:54,838 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2022-11-03 04:10:54,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2022-11-03 04:10:54,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2022-11-03 04:10:54,838 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2022-11-03 04:10:54,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2022-11-03 04:10:54,839 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2022-11-03 04:10:54,839 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2022-11-03 04:10:54,839 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2022-11-03 04:10:54,839 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2022-11-03 04:10:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2022-11-03 04:10:54,840 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2022-11-03 04:10:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2022-11-03 04:10:54,840 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2022-11-03 04:10:54,840 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2022-11-03 04:10:54,841 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2022-11-03 04:10:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2022-11-03 04:10:54,841 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2022-11-03 04:10:54,841 INFO L130 BoogieDeclarations]: Found specification of procedure dma_unmap_single_attrs [2022-11-03 04:10:54,841 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_unmap_single_attrs [2022-11-03 04:10:54,842 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2022-11-03 04:10:54,842 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2022-11-03 04:10:54,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-03 04:10:54,843 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_port_read_long [2022-11-03 04:10:54,843 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_port_read_long [2022-11-03 04:10:54,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-03 04:10:54,843 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2022-11-03 04:10:54,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2022-11-03 04:10:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2022-11-03 04:10:54,844 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2022-11-03 04:10:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-03 04:10:54,844 INFO L130 BoogieDeclarations]: Found specification of procedure iounmap [2022-11-03 04:10:54,845 INFO L138 BoogieDeclarations]: Found implementation of procedure iounmap [2022-11-03 04:10:54,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2022-11-03 04:10:54,845 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_adap_init [2022-11-03 04:10:54,845 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_adap_init [2022-11-03 04:10:54,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memmove [2022-11-03 04:10:54,846 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memmove [2022-11-03 04:10:54,846 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_int_common [2022-11-03 04:10:54,847 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_int_common [2022-11-03 04:10:54,847 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2022-11-03 04:10:54,849 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2022-11-03 04:10:54,849 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2022-11-03 04:10:54,849 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2022-11-03 04:10:54,849 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2022-11-03 04:10:54,849 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2022-11-03 04:10:54,850 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_rcv_flush [2022-11-03 04:10:54,850 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_rcv_flush [2022-11-03 04:10:54,895 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_get_stats [2022-11-03 04:10:54,895 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_get_stats [2022-11-03 04:10:54,895 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2022-11-03 04:10:54,895 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2022-11-03 04:10:54,895 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_update_cam [2022-11-03 04:10:54,895 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_update_cam [2022-11-03 04:10:54,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2022-11-03 04:10:54,896 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2022-11-03 04:10:54,896 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2022-11-03 04:10:54,896 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_dma_cmd_req [2022-11-03 04:10:54,896 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_dma_cmd_req [2022-11-03 04:10:54,896 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_dma_uninit [2022-11-03 04:10:54,896 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_dma_uninit [2022-11-03 04:10:54,896 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2022-11-03 04:10:54,896 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2022-11-03 04:10:54,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2022-11-03 04:10:54,897 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2022-11-03 04:10:54,897 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2022-11-03 04:10:54,897 INFO L130 BoogieDeclarations]: Found specification of procedure dma_free_attrs [2022-11-03 04:10:54,897 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_free_attrs [2022-11-03 04:10:54,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-03 04:10:54,897 INFO L130 BoogieDeclarations]: Found specification of procedure my_skb_align [2022-11-03 04:10:54,897 INFO L138 BoogieDeclarations]: Found implementation of procedure my_skb_align [2022-11-03 04:10:54,897 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2022-11-03 04:10:54,898 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2022-11-03 04:10:54,898 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2022-11-03 04:10:54,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2022-11-03 04:10:54,898 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_port_write_long [2022-11-03 04:10:54,898 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_port_write_long [2022-11-03 04:10:54,898 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2022-11-03 04:10:54,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2022-11-03 04:10:54,898 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2022-11-03 04:10:54,898 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2022-11-03 04:10:54,899 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2022-11-03 04:10:54,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2022-11-03 04:10:54,899 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-03 04:10:54,899 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2022-11-03 04:10:54,899 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2022-11-03 04:10:54,899 INFO L130 BoogieDeclarations]: Found specification of procedure disable_suitable_irq_1 [2022-11-03 04:10:54,899 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_suitable_irq_1 [2022-11-03 04:10:54,899 INFO L130 BoogieDeclarations]: Found specification of procedure dev_alloc_skb [2022-11-03 04:10:54,900 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_alloc_skb [2022-11-03 04:10:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2022-11-03 04:10:54,900 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2022-11-03 04:10:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-03 04:10:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure dma_map_single_attrs [2022-11-03 04:10:54,900 INFO L138 BoogieDeclarations]: Found implementation of procedure dma_map_single_attrs [2022-11-03 04:10:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_port_ctrl_req [2022-11-03 04:10:54,900 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_port_ctrl_req [2022-11-03 04:10:54,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 04:10:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_xmt_flush [2022-11-03 04:10:54,901 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_xmt_flush [2022-11-03 04:10:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2022-11-03 04:10:54,901 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2022-11-03 04:10:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-03 04:10:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_update_filters [2022-11-03 04:10:54,901 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_update_filters [2022-11-03 04:10:54,901 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_irq_1 [2022-11-03 04:10:54,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_irq_1 [2022-11-03 04:10:54,902 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_set_mac_address [2022-11-03 04:10:54,902 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_set_mac_address [2022-11-03 04:10:54,902 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_ctl_set_multicast_list [2022-11-03 04:10:54,902 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_ctl_set_multicast_list [2022-11-03 04:10:54,902 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_hw_adap_state_rd [2022-11-03 04:10:54,902 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_hw_adap_state_rd [2022-11-03 04:10:54,902 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2022-11-03 04:10:54,902 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2022-11-03 04:10:54,902 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2022-11-03 04:10:54,906 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2022-11-03 04:10:54,906 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2022-11-03 04:10:54,907 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2022-11-03 04:10:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 04:10:54,907 INFO L130 BoogieDeclarations]: Found specification of procedure dfx_get_bars [2022-11-03 04:10:54,908 INFO L138 BoogieDeclarations]: Found implementation of procedure dfx_get_bars [2022-11-03 04:10:54,908 INFO L130 BoogieDeclarations]: Found specification of procedure __request_region [2022-11-03 04:10:54,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __request_region [2022-11-03 04:10:54,908 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 04:10:54,908 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 04:10:55,812 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 04:10:55,816 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 04:10:56,717 INFO L769 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2022-11-03 04:11:13,574 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 04:11:14,793 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 04:11:14,793 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-03 04:11:14,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:11:14 BoogieIcfgContainer [2022-11-03 04:11:14,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 04:11:14,802 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 04:11:14,802 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 04:11:14,806 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 04:11:14,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 04:10:50" (1/3) ... [2022-11-03 04:11:14,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3258f939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:11:14, skipping insertion in model container [2022-11-03 04:11:14,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 04:10:54" (2/3) ... [2022-11-03 04:11:14,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3258f939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 04:11:14, skipping insertion in model container [2022-11-03 04:11:14,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 04:11:14" (3/3) ... [2022-11-03 04:11:14,810 INFO L112 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--net--fddi--defxx.ko-entry_point.cil.out.i [2022-11-03 04:11:14,834 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 04:11:14,834 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 04:11:14,961 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 04:11:14,973 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;@78a8d106, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 04:11:14,973 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 04:11:14,985 INFO L276 IsEmpty]: Start isEmpty. Operand has 882 states, 545 states have (on average 1.3284403669724771) internal successors, (724), 568 states have internal predecessors, (724), 279 states have call successors, (279), 57 states have call predecessors, (279), 56 states have return successors, (273), 273 states have call predecessors, (273), 273 states have call successors, (273) [2022-11-03 04:11:15,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-03 04:11:15,036 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:11:15,037 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-03 04:11:15,038 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:11:15,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:11:15,044 INFO L85 PathProgramCache]: Analyzing trace with hash -647708011, now seen corresponding path program 1 times [2022-11-03 04:11:15,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:11:15,056 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [582786149] [2022-11-03 04:11:15,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:11:15,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:11:15,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:11:16,254 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-03 04:11:16,256 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:11:16,256 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [582786149] [2022-11-03 04:11:16,257 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [582786149] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:11:16,257 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:11:16,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 04:11:16,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1295915623] [2022-11-03 04:11:16,264 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:11:16,270 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 04:11:16,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:11:16,351 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 04:11:16,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:11:16,357 INFO L87 Difference]: Start difference. First operand has 882 states, 545 states have (on average 1.3284403669724771) internal successors, (724), 568 states have internal predecessors, (724), 279 states have call successors, (279), 57 states have call predecessors, (279), 56 states have return successors, (273), 273 states have call predecessors, (273), 273 states have call successors, (273) Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-03 04:11:21,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:11:21,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:11:21,882 INFO L93 Difference]: Finished difference Result 2622 states and 3826 transitions. [2022-11-03 04:11:21,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 04:11:21,885 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 79 [2022-11-03 04:11:21,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:11:21,928 INFO L225 Difference]: With dead ends: 2622 [2022-11-03 04:11:21,928 INFO L226 Difference]: Without dead ends: 1723 [2022-11-03 04:11:21,951 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 04:11:21,955 INFO L413 NwaCegarLoop]: 1622 mSDtfsCounter, 1238 mSDsluCounter, 4763 mSDsCounter, 0 mSdLazyCounter, 546 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1245 SdHoareTripleChecker+Valid, 6003 SdHoareTripleChecker+Invalid, 550 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 546 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:11:21,957 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1245 Valid, 6003 Invalid, 550 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 546 Invalid, 1 Unknown, 0 Unchecked, 5.1s Time] [2022-11-03 04:11:21,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1723 states. [2022-11-03 04:11:22,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1723 to 1712. [2022-11-03 04:11:22,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1712 states, 1066 states have (on average 1.3105065666041276) internal successors, (1397), 1098 states have internal predecessors, (1397), 534 states have call successors, (534), 112 states have call predecessors, (534), 111 states have return successors, (536), 531 states have call predecessors, (536), 533 states have call successors, (536) [2022-11-03 04:11:22,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1712 states to 1712 states and 2467 transitions. [2022-11-03 04:11:22,375 INFO L78 Accepts]: Start accepts. Automaton has 1712 states and 2467 transitions. Word has length 79 [2022-11-03 04:11:22,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:11:22,376 INFO L495 AbstractCegarLoop]: Abstraction has 1712 states and 2467 transitions. [2022-11-03 04:11:22,377 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (15), 3 states have call predecessors, (15), 1 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2022-11-03 04:11:22,377 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2467 transitions. [2022-11-03 04:11:22,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-11-03 04:11:22,398 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:11:22,398 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-03 04:11:22,399 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 04:11:22,399 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:11:22,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:11:22,400 INFO L85 PathProgramCache]: Analyzing trace with hash -574255534, now seen corresponding path program 1 times [2022-11-03 04:11:22,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:11:22,401 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329368048] [2022-11-03 04:11:22,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:11:22,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:11:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:11:22,993 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-03 04:11:22,994 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:11:22,994 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329368048] [2022-11-03 04:11:22,994 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329368048] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:11:22,995 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:11:22,996 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 04:11:22,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799792474] [2022-11-03 04:11:22,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:11:22,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 04:11:22,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:11:23,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 04:11:23,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:11:23,001 INFO L87 Difference]: Start difference. First operand 1712 states and 2467 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-03 04:11:29,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:11:30,166 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:11:32,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:11:33,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.03s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:11:34,308 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:11:35,357 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:11:35,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:11:35,483 INFO L93 Difference]: Finished difference Result 4281 states and 6165 transitions. [2022-11-03 04:11:35,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 04:11:35,484 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 77 [2022-11-03 04:11:35,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:11:35,664 INFO L225 Difference]: With dead ends: 4281 [2022-11-03 04:11:35,664 INFO L226 Difference]: Without dead ends: 2576 [2022-11-03 04:11:35,675 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 04:11:35,676 INFO L413 NwaCegarLoop]: 1645 mSDtfsCounter, 1220 mSDsluCounter, 4812 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 3 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1224 SdHoareTripleChecker+Valid, 6054 SdHoareTripleChecker+Invalid, 584 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2022-11-03 04:11:35,677 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1224 Valid, 6054 Invalid, 584 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 579 Invalid, 2 Unknown, 0 Unchecked, 12.2s Time] [2022-11-03 04:11:35,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2576 states. [2022-11-03 04:11:35,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2576 to 2551. [2022-11-03 04:11:35,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2551 states, 1589 states have (on average 1.3115166771554436) internal successors, (2084), 1640 states have internal predecessors, (2084), 794 states have call successors, (794), 168 states have call predecessors, (794), 167 states have return successors, (796), 787 states have call predecessors, (796), 793 states have call successors, (796) [2022-11-03 04:11:35,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2551 states to 2551 states and 3674 transitions. [2022-11-03 04:11:35,880 INFO L78 Accepts]: Start accepts. Automaton has 2551 states and 3674 transitions. Word has length 77 [2022-11-03 04:11:35,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:11:35,890 INFO L495 AbstractCegarLoop]: Abstraction has 2551 states and 3674 transitions. [2022-11-03 04:11:35,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-03 04:11:35,890 INFO L276 IsEmpty]: Start isEmpty. Operand 2551 states and 3674 transitions. [2022-11-03 04:11:35,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2022-11-03 04:11:35,901 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:11:35,901 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-03 04:11:35,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 04:11:35,902 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:11:35,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:11:35,903 INFO L85 PathProgramCache]: Analyzing trace with hash -1294278891, now seen corresponding path program 1 times [2022-11-03 04:11:35,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:11:35,904 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1066214909] [2022-11-03 04:11:35,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:11:35,905 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:11:36,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:11:36,328 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-03 04:11:36,329 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:11:36,329 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1066214909] [2022-11-03 04:11:36,329 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1066214909] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:11:36,329 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:11:36,330 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 04:11:36,330 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699073850] [2022-11-03 04:11:36,330 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:11:36,331 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 04:11:36,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:11:36,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 04:11:36,332 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:11:36,333 INFO L87 Difference]: Start difference. First operand 2551 states and 3674 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-03 04:11:41,162 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:11:43,524 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:11:46,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.14s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:11:46,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:11:46,590 INFO L93 Difference]: Finished difference Result 4670 states and 6693 transitions. [2022-11-03 04:11:46,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 04:11:46,591 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 79 [2022-11-03 04:11:46,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:11:46,614 INFO L225 Difference]: With dead ends: 4670 [2022-11-03 04:11:46,614 INFO L226 Difference]: Without dead ends: 2577 [2022-11-03 04:11:46,628 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 04:11:46,632 INFO L413 NwaCegarLoop]: 1601 mSDtfsCounter, 1215 mSDsluCounter, 4698 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1219 SdHoareTripleChecker+Valid, 5920 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.9s IncrementalHoareTripleChecker+Time [2022-11-03 04:11:46,637 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1219 Valid, 5920 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 542 Invalid, 0 Unknown, 0 Unchecked, 9.9s Time] [2022-11-03 04:11:46,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2577 states. [2022-11-03 04:11:46,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2577 to 2556. [2022-11-03 04:11:46,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2556 states, 1594 states have (on average 1.3105395232120451) internal successors, (2089), 1643 states have internal predecessors, (2089), 793 states have call successors, (793), 169 states have call predecessors, (793), 168 states have return successors, (792), 788 states have call predecessors, (792), 792 states have call successors, (792) [2022-11-03 04:11:46,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2556 states to 2556 states and 3674 transitions. [2022-11-03 04:11:46,889 INFO L78 Accepts]: Start accepts. Automaton has 2556 states and 3674 transitions. Word has length 79 [2022-11-03 04:11:46,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:11:46,891 INFO L495 AbstractCegarLoop]: Abstraction has 2556 states and 3674 transitions. [2022-11-03 04:11:46,892 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 4 states have internal predecessors, (49), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-03 04:11:46,892 INFO L276 IsEmpty]: Start isEmpty. Operand 2556 states and 3674 transitions. [2022-11-03 04:11:46,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-11-03 04:11:46,905 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:11:46,906 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-03 04:11:46,906 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 04:11:46,906 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:11:46,907 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:11:46,907 INFO L85 PathProgramCache]: Analyzing trace with hash 799369791, now seen corresponding path program 1 times [2022-11-03 04:11:46,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:11:46,908 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726611625] [2022-11-03 04:11:46,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:11:46,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:11:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:11:47,400 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-03 04:11:47,400 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:11:47,400 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726611625] [2022-11-03 04:11:47,401 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726611625] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:11:47,401 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:11:47,401 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-03 04:11:47,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834459330] [2022-11-03 04:11:47,402 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:11:47,403 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-03 04:11:47,404 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:11:47,404 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-03 04:11:47,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-03 04:11:47,405 INFO L87 Difference]: Start difference. First operand 2556 states and 3674 transitions. Second operand has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-03 04:11:54,261 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:11:54,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:11:54,385 INFO L93 Difference]: Finished difference Result 4466 states and 6374 transitions. [2022-11-03 04:11:54,386 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-03 04:11:54,386 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) Word has length 80 [2022-11-03 04:11:54,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:11:54,404 INFO L225 Difference]: With dead ends: 4466 [2022-11-03 04:11:54,404 INFO L226 Difference]: Without dead ends: 2367 [2022-11-03 04:11:54,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-03 04:11:54,418 INFO L413 NwaCegarLoop]: 1583 mSDtfsCounter, 1213 mSDsluCounter, 4660 mSDsCounter, 0 mSdLazyCounter, 538 mSolverCounterSat, 3 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1217 SdHoareTripleChecker+Valid, 5866 SdHoareTripleChecker+Invalid, 542 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 538 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2022-11-03 04:11:54,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1217 Valid, 5866 Invalid, 542 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 538 Invalid, 1 Unknown, 0 Unchecked, 6.7s Time] [2022-11-03 04:11:54,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2367 states. [2022-11-03 04:11:54,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2367 to 2351. [2022-11-03 04:11:54,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2351 states, 1470 states have (on average 1.307482993197279) internal successors, (1922), 1511 states have internal predecessors, (1922), 720 states have call successors, (720), 161 states have call predecessors, (720), 160 states have return successors, (719), 716 states have call predecessors, (719), 719 states have call successors, (719) [2022-11-03 04:11:54,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2351 states to 2351 states and 3361 transitions. [2022-11-03 04:11:54,644 INFO L78 Accepts]: Start accepts. Automaton has 2351 states and 3361 transitions. Word has length 80 [2022-11-03 04:11:54,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:11:54,645 INFO L495 AbstractCegarLoop]: Abstraction has 2351 states and 3361 transitions. [2022-11-03 04:11:54,645 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.0) internal successors, (50), 4 states have internal predecessors, (50), 3 states have call successors, (14), 3 states have call predecessors, (14), 1 states have return successors, (9), 3 states have call predecessors, (9), 3 states have call successors, (9) [2022-11-03 04:11:54,646 INFO L276 IsEmpty]: Start isEmpty. Operand 2351 states and 3361 transitions. [2022-11-03 04:11:54,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-11-03 04:11:54,656 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:11:54,657 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-03 04:11:54,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 04:11:54,657 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:11:54,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:11:54,658 INFO L85 PathProgramCache]: Analyzing trace with hash -1578408917, now seen corresponding path program 1 times [2022-11-03 04:11:54,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:11:54,659 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1499464033] [2022-11-03 04:11:54,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:11:54,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:11:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:11:55,283 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2022-11-03 04:11:55,283 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:11:55,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1499464033] [2022-11-03 04:11:55,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1499464033] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 04:11:55,284 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [960996016] [2022-11-03 04:11:55,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:11:55,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:11:55,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:11:55,291 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:11:55,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-11-03 04:11:56,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:11:56,336 INFO L263 TraceCheckSpWp]: Trace formula consists of 1656 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 04:11:56,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:11:56,567 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-03 04:11:56,568 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:11:56,568 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [960996016] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:11:56,568 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 04:11:56,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [8] total 13 [2022-11-03 04:11:56,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622991750] [2022-11-03 04:11:56,569 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:11:56,570 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 04:11:56,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:11:56,570 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 04:11:56,571 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2022-11-03 04:11:56,571 INFO L87 Difference]: Start difference. First operand 2351 states and 3361 transitions. Second operand has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-03 04:12:02,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.81s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:12:04,768 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.18s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:12:06,906 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:12:07,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:12:07,048 INFO L93 Difference]: Finished difference Result 5584 states and 7982 transitions. [2022-11-03 04:12:07,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 04:12:07,049 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 90 [2022-11-03 04:12:07,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:12:07,076 INFO L225 Difference]: With dead ends: 5584 [2022-11-03 04:12:07,076 INFO L226 Difference]: Without dead ends: 3868 [2022-11-03 04:12:07,086 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=68, Invalid=312, Unknown=0, NotChecked=0, Total=380 [2022-11-03 04:12:07,087 INFO L413 NwaCegarLoop]: 1694 mSDtfsCounter, 1241 mSDsluCounter, 8620 mSDsCounter, 0 mSdLazyCounter, 943 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1245 SdHoareTripleChecker+Valid, 9593 SdHoareTripleChecker+Invalid, 945 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 943 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.0s IncrementalHoareTripleChecker+Time [2022-11-03 04:12:07,087 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1245 Valid, 9593 Invalid, 945 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 943 Invalid, 0 Unknown, 0 Unchecked, 10.0s Time] [2022-11-03 04:12:07,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3868 states. [2022-11-03 04:12:07,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3868 to 3835. [2022-11-03 04:12:07,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3835 states, 2402 states have (on average 1.3084929225645296) internal successors, (3143), 2473 states have internal predecessors, (3143), 1167 states have call successors, (1167), 264 states have call predecessors, (1167), 265 states have return successors, (1171), 1158 states have call predecessors, (1171), 1166 states have call successors, (1171) [2022-11-03 04:12:07,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3835 states to 3835 states and 5481 transitions. [2022-11-03 04:12:07,381 INFO L78 Accepts]: Start accepts. Automaton has 3835 states and 5481 transitions. Word has length 90 [2022-11-03 04:12:07,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:12:07,382 INFO L495 AbstractCegarLoop]: Abstraction has 3835 states and 5481 transitions. [2022-11-03 04:12:07,382 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.0) internal successors, (56), 5 states have internal predecessors, (56), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-03 04:12:07,383 INFO L276 IsEmpty]: Start isEmpty. Operand 3835 states and 5481 transitions. [2022-11-03 04:12:07,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-03 04:12:07,407 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:12:07,407 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-03 04:12:07,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-11-03 04:12:07,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:12:07,623 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:12:07,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:12:07,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1324501478, now seen corresponding path program 1 times [2022-11-03 04:12:07,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:12:07,624 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421539419] [2022-11-03 04:12:07,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:12:07,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:12:07,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:12:08,260 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-03 04:12:08,260 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:12:08,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1421539419] [2022-11-03 04:12:08,260 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1421539419] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 04:12:08,261 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2001743137] [2022-11-03 04:12:08,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:12:08,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:12:08,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:12:08,272 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:12:08,299 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-11-03 04:12:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:12:09,384 INFO L263 TraceCheckSpWp]: Trace formula consists of 1658 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 04:12:09,390 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:12:09,610 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-03 04:12:09,611 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:12:09,612 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2001743137] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:12:09,612 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 04:12:09,612 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-03 04:12:09,613 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1359528573] [2022-11-03 04:12:09,613 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:12:09,614 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 04:12:09,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:12:09,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 04:12:09,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-03 04:12:09,616 INFO L87 Difference]: Start difference. First operand 3835 states and 5481 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-03 04:12:16,573 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:12:20,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.99s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:12:20,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:12:20,141 INFO L93 Difference]: Finished difference Result 8563 states and 12232 transitions. [2022-11-03 04:12:20,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 04:12:20,142 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 91 [2022-11-03 04:12:20,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:12:20,177 INFO L225 Difference]: With dead ends: 8563 [2022-11-03 04:12:20,177 INFO L226 Difference]: Without dead ends: 5363 [2022-11-03 04:12:20,195 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-03 04:12:20,196 INFO L413 NwaCegarLoop]: 1703 mSDtfsCounter, 1241 mSDsluCounter, 8652 mSDsCounter, 0 mSdLazyCounter, 955 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1245 SdHoareTripleChecker+Valid, 9626 SdHoareTripleChecker+Invalid, 957 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 955 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:12:20,196 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1245 Valid, 9626 Invalid, 957 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 955 Invalid, 0 Unknown, 0 Unchecked, 10.1s Time] [2022-11-03 04:12:20,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5363 states. [2022-11-03 04:12:20,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5363 to 5324. [2022-11-03 04:12:20,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5324 states, 3337 states have (on average 1.308660473479173) internal successors, (4367), 3441 states have internal predecessors, (4367), 1614 states have call successors, (1614), 367 states have call predecessors, (1614), 372 states have return successors, (1626), 1599 states have call predecessors, (1626), 1613 states have call successors, (1626) [2022-11-03 04:12:20,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5324 states to 5324 states and 7607 transitions. [2022-11-03 04:12:20,600 INFO L78 Accepts]: Start accepts. Automaton has 5324 states and 7607 transitions. Word has length 91 [2022-11-03 04:12:20,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:12:20,601 INFO L495 AbstractCegarLoop]: Abstraction has 5324 states and 7607 transitions. [2022-11-03 04:12:20,601 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 5 states have internal predecessors, (57), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-03 04:12:20,601 INFO L276 IsEmpty]: Start isEmpty. Operand 5324 states and 7607 transitions. [2022-11-03 04:12:20,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2022-11-03 04:12:20,622 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:12:20,622 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-03 04:12:20,663 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-11-03 04:12:20,835 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:12:20,835 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:12:20,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:12:20,836 INFO L85 PathProgramCache]: Analyzing trace with hash 230821055, now seen corresponding path program 1 times [2022-11-03 04:12:20,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:12:20,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568528250] [2022-11-03 04:12:20,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:12:20,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:12:20,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:12:21,382 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-03 04:12:21,382 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:12:21,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568528250] [2022-11-03 04:12:21,382 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568528250] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 04:12:21,382 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789443020] [2022-11-03 04:12:21,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:12:21,383 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:12:21,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:12:21,385 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:12:21,414 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-11-03 04:12:22,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:12:22,354 INFO L263 TraceCheckSpWp]: Trace formula consists of 1636 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 04:12:22,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:12:22,410 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 04:12:22,411 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:12:22,411 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [789443020] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:12:22,411 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 04:12:22,412 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-11-03 04:12:22,412 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577871429] [2022-11-03 04:12:22,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:12:22,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:12:22,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:12:22,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:12:22,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-03 04:12:22,414 INFO L87 Difference]: Start difference. First operand 5324 states and 7607 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-03 04:12:26,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:12:26,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:12:26,206 INFO L93 Difference]: Finished difference Result 9997 states and 14298 transitions. [2022-11-03 04:12:26,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:12:26,217 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) Word has length 91 [2022-11-03 04:12:26,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:12:26,263 INFO L225 Difference]: With dead ends: 9997 [2022-11-03 04:12:26,263 INFO L226 Difference]: Without dead ends: 5308 [2022-11-03 04:12:26,287 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-03 04:12:26,288 INFO L413 NwaCegarLoop]: 1131 mSDtfsCounter, 14 mSDsluCounter, 1213 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 2231 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2022-11-03 04:12:26,289 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 2231 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2022-11-03 04:12:26,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5308 states. [2022-11-03 04:12:26,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5308 to 5300. [2022-11-03 04:12:26,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5300 states, 3329 states have (on average 1.306999098828477) internal successors, (4351), 3429 states have internal predecessors, (4351), 1598 states have call successors, (1598), 367 states have call predecessors, (1598), 372 states have return successors, (1610), 1583 states have call predecessors, (1610), 1597 states have call successors, (1610) [2022-11-03 04:12:26,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5300 states to 5300 states and 7559 transitions. [2022-11-03 04:12:26,647 INFO L78 Accepts]: Start accepts. Automaton has 5300 states and 7559 transitions. Word has length 91 [2022-11-03 04:12:26,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:12:26,648 INFO L495 AbstractCegarLoop]: Abstraction has 5300 states and 7559 transitions. [2022-11-03 04:12:26,648 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 3 states have internal predecessors, (56), 2 states have call successors, (15), 2 states have call predecessors, (15), 2 states have return successors, (10), 2 states have call predecessors, (10), 2 states have call successors, (10) [2022-11-03 04:12:26,648 INFO L276 IsEmpty]: Start isEmpty. Operand 5300 states and 7559 transitions. [2022-11-03 04:12:26,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2022-11-03 04:12:26,666 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:12:26,667 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-03 04:12:26,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-11-03 04:12:26,879 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2022-11-03 04:12:26,880 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:12:26,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:12:26,880 INFO L85 PathProgramCache]: Analyzing trace with hash -956759208, now seen corresponding path program 1 times [2022-11-03 04:12:26,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:12:26,880 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751951494] [2022-11-03 04:12:26,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:12:26,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:12:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:12:27,407 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-03 04:12:27,407 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:12:27,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751951494] [2022-11-03 04:12:27,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1751951494] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 04:12:27,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [597508337] [2022-11-03 04:12:27,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:12:27,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:12:27,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:12:27,411 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:12:27,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-11-03 04:12:28,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:12:28,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 1609 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-03 04:12:28,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:12:28,430 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 04:12:28,430 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:12:28,431 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [597508337] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:12:28,431 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 04:12:28,431 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 10 [2022-11-03 04:12:28,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1624093222] [2022-11-03 04:12:28,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:12:28,433 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:12:28,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:12:28,433 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:12:28,434 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-03 04:12:28,434 INFO L87 Difference]: Start difference. First operand 5300 states and 7559 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-03 04:12:30,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:12:30,408 INFO L93 Difference]: Finished difference Result 9929 states and 14170 transitions. [2022-11-03 04:12:30,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:12:30,408 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 94 [2022-11-03 04:12:30,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:12:30,438 INFO L225 Difference]: With dead ends: 9929 [2022-11-03 04:12:30,438 INFO L226 Difference]: Without dead ends: 5264 [2022-11-03 04:12:30,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2022-11-03 04:12:30,460 INFO L413 NwaCegarLoop]: 1111 mSDtfsCounter, 9 mSDsluCounter, 1206 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 2204 SdHoareTripleChecker+Invalid, 228 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2022-11-03 04:12:30,460 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 2204 Invalid, 228 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2022-11-03 04:12:30,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5264 states. [2022-11-03 04:12:30,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5264 to 5256. [2022-11-03 04:12:30,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5256 states, 3313 states have (on average 1.3060670087533957) internal successors, (4327), 3409 states have internal predecessors, (4327), 1570 states have call successors, (1570), 367 states have call predecessors, (1570), 372 states have return successors, (1582), 1555 states have call predecessors, (1582), 1569 states have call successors, (1582) [2022-11-03 04:12:30,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5256 states to 5256 states and 7479 transitions. [2022-11-03 04:12:30,833 INFO L78 Accepts]: Start accepts. Automaton has 5256 states and 7479 transitions. Word has length 94 [2022-11-03 04:12:30,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:12:30,834 INFO L495 AbstractCegarLoop]: Abstraction has 5256 states and 7479 transitions. [2022-11-03 04:12:30,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (16), 2 states have call predecessors, (16), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-03 04:12:30,835 INFO L276 IsEmpty]: Start isEmpty. Operand 5256 states and 7479 transitions. [2022-11-03 04:12:30,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-11-03 04:12:30,854 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:12:30,854 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-03 04:12:30,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-11-03 04:12:31,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:12:31,067 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:12:31,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:12:31,067 INFO L85 PathProgramCache]: Analyzing trace with hash 1431383506, now seen corresponding path program 1 times [2022-11-03 04:12:31,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:12:31,068 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [568032780] [2022-11-03 04:12:31,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:12:31,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:12:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:12:31,503 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-03 04:12:31,503 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:12:31,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [568032780] [2022-11-03 04:12:31,503 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [568032780] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 04:12:31,503 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1736895967] [2022-11-03 04:12:31,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:12:31,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:12:31,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:12:31,505 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:12:31,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-11-03 04:12:32,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:12:32,325 INFO L263 TraceCheckSpWp]: Trace formula consists of 1660 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 04:12:32,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:12:32,495 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-03 04:12:32,495 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:12:32,496 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1736895967] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:12:32,496 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 04:12:32,496 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-03 04:12:32,496 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [399885612] [2022-11-03 04:12:32,496 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:12:32,497 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 04:12:32,497 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:12:32,497 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 04:12:32,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-03 04:12:32,498 INFO L87 Difference]: Start difference. First operand 5256 states and 7479 transitions. Second operand has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-03 04:12:39,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:12:41,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.32s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:12:41,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:12:41,783 INFO L93 Difference]: Finished difference Result 11386 states and 16192 transitions. [2022-11-03 04:12:41,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 04:12:41,784 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 92 [2022-11-03 04:12:41,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:12:41,824 INFO L225 Difference]: With dead ends: 11386 [2022-11-03 04:12:41,825 INFO L226 Difference]: Without dead ends: 6765 [2022-11-03 04:12:41,847 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-03 04:12:41,848 INFO L413 NwaCegarLoop]: 1685 mSDtfsCounter, 1209 mSDsluCounter, 8589 mSDsCounter, 0 mSdLazyCounter, 1005 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1213 SdHoareTripleChecker+Valid, 9504 SdHoareTripleChecker+Invalid, 1008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 1005 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.9s IncrementalHoareTripleChecker+Time [2022-11-03 04:12:41,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1213 Valid, 9504 Invalid, 1008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 1005 Invalid, 1 Unknown, 0 Unchecked, 8.9s Time] [2022-11-03 04:12:41,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6765 states. [2022-11-03 04:12:42,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6765 to 5257. [2022-11-03 04:12:42,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5257 states, 3314 states have (on average 1.3059746529873264) internal successors, (4328), 3409 states have internal predecessors, (4328), 1570 states have call successors, (1570), 367 states have call predecessors, (1570), 372 states have return successors, (1582), 1556 states have call predecessors, (1582), 1569 states have call successors, (1582) [2022-11-03 04:12:42,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5257 states to 5257 states and 7480 transitions. [2022-11-03 04:12:42,257 INFO L78 Accepts]: Start accepts. Automaton has 5257 states and 7480 transitions. Word has length 92 [2022-11-03 04:12:42,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:12:42,258 INFO L495 AbstractCegarLoop]: Abstraction has 5257 states and 7480 transitions. [2022-11-03 04:12:42,258 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.285714285714286) internal successors, (58), 5 states have internal predecessors, (58), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-03 04:12:42,258 INFO L276 IsEmpty]: Start isEmpty. Operand 5257 states and 7480 transitions. [2022-11-03 04:12:42,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-11-03 04:12:42,278 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:12:42,278 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2022-11-03 04:12:42,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-11-03 04:12:42,499 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:12:42,499 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:12:42,500 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:12:42,500 INFO L85 PathProgramCache]: Analyzing trace with hash -1793250626, now seen corresponding path program 1 times [2022-11-03 04:12:42,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:12:42,500 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580919880] [2022-11-03 04:12:42,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:12:42,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:12:42,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:12:42,694 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-11-03 04:12:42,695 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:12:42,695 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580919880] [2022-11-03 04:12:42,695 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580919880] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:12:42,696 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 04:12:42,696 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 04:12:42,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525745596] [2022-11-03 04:12:42,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:12:42,697 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 04:12:42,697 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:12:42,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 04:12:42,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:12:42,698 INFO L87 Difference]: Start difference. First operand 5257 states and 7480 transitions. 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-03 04:12:46,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:12:46,009 INFO L93 Difference]: Finished difference Result 13689 states and 19351 transitions. [2022-11-03 04:12:46,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 04:12:46,010 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 95 [2022-11-03 04:12:46,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:12:46,044 INFO L225 Difference]: With dead ends: 13689 [2022-11-03 04:12:46,044 INFO L226 Difference]: Without dead ends: 8439 [2022-11-03 04:12:46,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 04:12:46,064 INFO L413 NwaCegarLoop]: 1336 mSDtfsCounter, 846 mSDsluCounter, 1125 mSDsCounter, 0 mSdLazyCounter, 265 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 846 SdHoareTripleChecker+Valid, 2358 SdHoareTripleChecker+Invalid, 272 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 265 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2022-11-03 04:12:46,064 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [846 Valid, 2358 Invalid, 272 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 265 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2022-11-03 04:12:46,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8439 states. [2022-11-03 04:12:46,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8439 to 8422. [2022-11-03 04:12:46,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8422 states, 5330 states have (on average 1.3041275797373357) internal successors, (6951), 5497 states have internal predecessors, (6951), 2441 states have call successors, (2441), 639 states have call predecessors, (2441), 650 states have return successors, (2466), 2406 states have call predecessors, (2466), 2440 states have call successors, (2466) [2022-11-03 04:12:46,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8422 states to 8422 states and 11858 transitions. [2022-11-03 04:12:46,535 INFO L78 Accepts]: Start accepts. Automaton has 8422 states and 11858 transitions. Word has length 95 [2022-11-03 04:12:46,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:12:46,535 INFO L495 AbstractCegarLoop]: Abstraction has 8422 states and 11858 transitions. [2022-11-03 04:12:46,535 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, (16), 2 states have call predecessors, (16), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-03 04:12:46,536 INFO L276 IsEmpty]: Start isEmpty. Operand 8422 states and 11858 transitions. [2022-11-03 04:12:46,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-11-03 04:12:46,541 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:12:46,541 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2022-11-03 04:12:46,542 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-03 04:12:46,542 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:12:46,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:12:46,543 INFO L85 PathProgramCache]: Analyzing trace with hash 760732077, now seen corresponding path program 1 times [2022-11-03 04:12:46,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:12:46,543 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063853696] [2022-11-03 04:12:46,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:12:46,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:12:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:12:47,177 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-03 04:12:47,177 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:12:47,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063853696] [2022-11-03 04:12:47,177 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063853696] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 04:12:47,177 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [253588203] [2022-11-03 04:12:47,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:12:47,178 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:12:47,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:12:47,179 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:12:47,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-11-03 04:12:48,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:12:48,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 1662 conjuncts, 7 conjunts are in the unsatisfiable core [2022-11-03 04:12:48,250 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:12:48,421 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-11-03 04:12:48,421 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-03 04:12:48,421 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [253588203] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:12:48,421 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-11-03 04:12:48,421 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [9] total 14 [2022-11-03 04:12:48,422 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480828502] [2022-11-03 04:12:48,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:12:48,422 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-11-03 04:12:48,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:12:48,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-11-03 04:12:48,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2022-11-03 04:12:48,423 INFO L87 Difference]: Start difference. First operand 8422 states and 11858 transitions. Second operand has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-03 04:12:54,685 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:12:54,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:12:54,775 INFO L93 Difference]: Finished difference Result 18352 states and 25826 transitions. [2022-11-03 04:12:54,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-11-03 04:12:54,776 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) Word has length 93 [2022-11-03 04:12:54,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:12:54,829 INFO L225 Difference]: With dead ends: 18352 [2022-11-03 04:12:54,830 INFO L226 Difference]: Without dead ends: 10835 [2022-11-03 04:12:54,857 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2022-11-03 04:12:54,858 INFO L413 NwaCegarLoop]: 1663 mSDtfsCounter, 1208 mSDsluCounter, 8495 mSDsCounter, 0 mSdLazyCounter, 999 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1215 SdHoareTripleChecker+Valid, 9394 SdHoareTripleChecker+Invalid, 1002 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 999 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2022-11-03 04:12:54,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1215 Valid, 9394 Invalid, 1002 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 999 Invalid, 1 Unknown, 0 Unchecked, 5.7s Time] [2022-11-03 04:12:54,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10835 states. [2022-11-03 04:12:55,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10835 to 10701. [2022-11-03 04:12:55,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10701 states, 6766 states have (on average 1.3052024830032516) internal successors, (8831), 6980 states have internal predecessors, (8831), 3109 states have call successors, (3109), 812 states have call predecessors, (3109), 825 states have return successors, (3146), 3062 states have call predecessors, (3146), 3108 states have call successors, (3146) [2022-11-03 04:12:55,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10701 states to 10701 states and 15086 transitions. [2022-11-03 04:12:55,566 INFO L78 Accepts]: Start accepts. Automaton has 10701 states and 15086 transitions. Word has length 93 [2022-11-03 04:12:55,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:12:55,566 INFO L495 AbstractCegarLoop]: Abstraction has 10701 states and 15086 transitions. [2022-11-03 04:12:55,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.428571428571429) internal successors, (59), 5 states have internal predecessors, (59), 3 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (11), 3 states have call predecessors, (11), 2 states have call successors, (11) [2022-11-03 04:12:55,567 INFO L276 IsEmpty]: Start isEmpty. Operand 10701 states and 15086 transitions. [2022-11-03 04:12:55,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-11-03 04:12:55,576 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:12:55,576 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2022-11-03 04:12:55,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-11-03 04:12:55,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-11-03 04:12:55,795 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:12:55,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:12:55,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1316683774, now seen corresponding path program 1 times [2022-11-03 04:12:55,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:12:55,796 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181502098] [2022-11-03 04:12:55,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:12:55,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:12:55,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:12:56,433 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-03 04:12:56,434 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:12:56,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181502098] [2022-11-03 04:12:56,434 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181502098] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 04:12:56,434 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1778941932] [2022-11-03 04:12:56,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:12:56,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:12:56,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:12:56,436 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:12:56,466 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2022-11-03 04:12:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:12:57,452 INFO L263 TraceCheckSpWp]: Trace formula consists of 1721 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 04:12:57,457 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:12:57,763 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 04:12:57,763 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:12:58,374 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-03 04:12:58,375 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1778941932] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:12:58,375 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [32780506] [2022-11-03 04:12:58,402 INFO L159 IcfgInterpreter]: Started Sifa with 77 locations of interest [2022-11-03 04:12:58,403 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:12:58,407 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:12:58,413 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:12:58,414 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:12:59,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:59,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:59,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:12:59,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:00,004 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 562 treesize of output 448 [2022-11-03 04:13:00,446 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 607 treesize of output 491 [2022-11-03 04:13:00,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:00,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:00,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:00,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:00,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:00,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:00,596 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 53 [2022-11-03 04:13:00,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:00,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:00,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:00,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:00,914 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 562 treesize of output 448 [2022-11-03 04:13:01,154 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 592 treesize of output 476 [2022-11-03 04:13:01,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:01,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:01,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:01,374 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 26 [2022-11-03 04:13:01,611 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 580 treesize of output 468 [2022-11-03 04:13:01,834 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 0 case distinctions, treesize of input 26 treesize of output 19 [2022-11-03 04:13:02,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:02,221 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 67 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 826 treesize of output 684 [2022-11-03 04:13:04,611 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 883 treesize of output 675 [2022-11-03 04:13:04,696 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 04:13:04,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:04,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:05,010 INFO L244 Elim1Store]: Index analysis took 169 ms [2022-11-03 04:13:05,022 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 57 select indices, 57 select index equivalence classes, 1596 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 398 treesize of output 172 [2022-11-03 04:13:07,292 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 883 treesize of output 675 [2022-11-03 04:13:07,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,558 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,563 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:07,607 INFO L244 Elim1Store]: Index analysis took 162 ms [2022-11-03 04:13:07,615 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 57 select indices, 57 select index equivalence classes, 1596 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 398 treesize of output 172 [2022-11-03 04:13:07,743 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 04:13:16,610 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 855 treesize of output 663 [2022-11-03 04:13:16,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,727 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 561 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 103 [2022-11-03 04:13:16,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:16,903 INFO L244 Elim1Store]: Index analysis took 114 ms [2022-11-03 04:13:16,914 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 60 select indices, 60 select index equivalence classes, 1770 disjoint index pairs (out of 1770 index pairs), introduced 60 new quantified variables, introduced 0 case distinctions, treesize of input 419 treesize of output 181 [2022-11-03 04:13:17,008 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 855 treesize of output 663 [2022-11-03 04:13:17,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,125 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 561 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 103 [2022-11-03 04:13:17,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:17,372 INFO L244 Elim1Store]: Index analysis took 141 ms [2022-11-03 04:13:17,380 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 60 select indices, 60 select index equivalence classes, 1770 disjoint index pairs (out of 1770 index pairs), introduced 60 new quantified variables, introduced 0 case distinctions, treesize of input 419 treesize of output 181 [2022-11-03 04:13:18,278 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 855 treesize of output 663 [2022-11-03 04:13:18,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,451 INFO L244 Elim1Store]: Index analysis took 121 ms [2022-11-03 04:13:18,466 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 60 select indices, 60 select index equivalence classes, 1770 disjoint index pairs (out of 1770 index pairs), introduced 60 new quantified variables, introduced 0 case distinctions, treesize of input 419 treesize of output 181 [2022-11-03 04:13:18,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,599 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 561 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 103 [2022-11-03 04:13:18,668 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 855 treesize of output 663 [2022-11-03 04:13:18,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,784 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,859 INFO L244 Elim1Store]: Index analysis took 128 ms [2022-11-03 04:13:18,865 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 60 select indices, 60 select index equivalence classes, 1770 disjoint index pairs (out of 1770 index pairs), introduced 60 new quantified variables, introduced 0 case distinctions, treesize of input 419 treesize of output 181 [2022-11-03 04:13:18,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:18,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:13:19,002 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 561 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 103 [2022-11-03 04:13:36,354 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 119 for LOIs [2022-11-03 04:13:36,405 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_irq_1 with input of size 254 for LOIs [2022-11-03 04:13:36,890 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:13:50,280 WARN L234 SmtUtils]: Spent 12.61s on a formula simplification that was a NOOP. DAG size: 1313 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:14:08,268 WARN L234 SmtUtils]: Spent 8.12s on a formula simplification. DAG size of input: 706 DAG size of output: 704 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:14:17,011 WARN L234 SmtUtils]: Spent 8.31s on a formula simplification. DAG size of input: 710 DAG size of output: 708 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:14:26,015 WARN L234 SmtUtils]: Spent 8.54s on a formula simplification. DAG size of input: 718 DAG size of output: 713 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:14:41,027 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [32780506] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:14:41,027 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-03 04:14:41,027 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [8, 10, 10] total 38 [2022-11-03 04:14:41,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547935183] [2022-11-03 04:14:41,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:14:41,029 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-03 04:14:41,029 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:14:41,029 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-03 04:14:41,030 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=1220, Unknown=0, NotChecked=0, Total=1406 [2022-11-03 04:14:41,030 INFO L87 Difference]: Start difference. First operand 10701 states and 15086 transitions. Second operand has 22 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 14 states have internal predecessors, (55), 5 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2022-11-03 04:15:06,978 WARN L234 SmtUtils]: Spent 24.26s on a formula simplification. DAG size of input: 1317 DAG size of output: 1316 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:15:32,003 WARN L234 SmtUtils]: Spent 24.50s on a formula simplification. DAG size of input: 1325 DAG size of output: 1324 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:15:57,281 WARN L234 SmtUtils]: Spent 24.75s on a formula simplification. DAG size of input: 1331 DAG size of output: 1330 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:16:10,374 WARN L234 SmtUtils]: Spent 12.08s on a formula simplification that was a NOOP. DAG size: 1317 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:16:23,186 WARN L234 SmtUtils]: Spent 12.16s on a formula simplification that was a NOOP. DAG size: 1321 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:16:36,765 WARN L234 SmtUtils]: Spent 12.34s on a formula simplification that was a NOOP. DAG size: 1327 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:16:49,818 WARN L234 SmtUtils]: Spent 12.42s on a formula simplification that was a NOOP. DAG size: 1331 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:17:03,426 WARN L234 SmtUtils]: Spent 12.56s on a formula simplification that was a NOOP. DAG size: 1336 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:17:47,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:17:50,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:17:52,083 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:17:54,115 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:17:56,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:18:04,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:18:05,826 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:18:07,872 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:18:10,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:18:16,178 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:18:18,227 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:18:20,277 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:18:22,342 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:18:24,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:18:26,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:18:27,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:18:27,700 INFO L93 Difference]: Finished difference Result 21524 states and 30345 transitions. [2022-11-03 04:18:27,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-03 04:18:27,701 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 14 states have internal predecessors, (55), 5 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) Word has length 105 [2022-11-03 04:18:27,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:18:27,735 INFO L225 Difference]: With dead ends: 21524 [2022-11-03 04:18:27,735 INFO L226 Difference]: Without dead ends: 10827 [2022-11-03 04:18:27,764 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 272 SyntacticMatches, 14 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 601 ImplicationChecksByTransitivity, 206.4s TimeCoverageRelationStatistics Valid=321, Invalid=2229, Unknown=0, NotChecked=0, Total=2550 [2022-11-03 04:18:27,765 INFO L413 NwaCegarLoop]: 1130 mSDtfsCounter, 66 mSDsluCounter, 13458 mSDsCounter, 0 mSdLazyCounter, 5335 mSolverCounterSat, 58 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 81.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 13706 SdHoareTripleChecker+Invalid, 5407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.2s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 5335 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 84.1s IncrementalHoareTripleChecker+Time [2022-11-03 04:18:27,765 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 13706 Invalid, 5407 Unknown, 0 Unchecked, 0.2s Time], IncrementalHoareTripleChecker [58 Valid, 5335 Invalid, 14 Unknown, 0 Unchecked, 84.1s Time] [2022-11-03 04:18:27,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10827 states. [2022-11-03 04:18:28,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10827 to 10785. [2022-11-03 04:18:28,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10785 states, 6840 states have (on average 1.3051169590643275) internal successors, (8927), 7054 states have internal predecessors, (8927), 3114 states have call successors, (3114), 816 states have call predecessors, (3114), 830 states have return successors, (3156), 3068 states have call predecessors, (3156), 3113 states have call successors, (3156) [2022-11-03 04:18:28,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10785 states to 10785 states and 15197 transitions. [2022-11-03 04:18:28,388 INFO L78 Accepts]: Start accepts. Automaton has 10785 states and 15197 transitions. Word has length 105 [2022-11-03 04:18:28,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:18:28,389 INFO L495 AbstractCegarLoop]: Abstraction has 10785 states and 15197 transitions. [2022-11-03 04:18:28,389 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 14 states have internal predecessors, (55), 5 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2022-11-03 04:18:28,389 INFO L276 IsEmpty]: Start isEmpty. Operand 10785 states and 15197 transitions. [2022-11-03 04:18:28,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2022-11-03 04:18:28,394 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:18:28,394 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2022-11-03 04:18:28,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2022-11-03 04:18:28,623 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2022-11-03 04:18:28,623 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:18:28,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:18:28,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1595894034, now seen corresponding path program 1 times [2022-11-03 04:18:28,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:18:28,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2057634347] [2022-11-03 04:18:28,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:18:28,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:18:28,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:18:29,128 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-03 04:18:29,128 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:18:29,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2057634347] [2022-11-03 04:18:29,129 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2057634347] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 04:18:29,129 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1061553755] [2022-11-03 04:18:29,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:18:29,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:18:29,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:18:29,130 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:18:29,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2022-11-03 04:18:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:18:30,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 1723 conjuncts, 12 conjunts are in the unsatisfiable core [2022-11-03 04:18:30,030 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-03 04:18:30,265 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2022-11-03 04:18:30,266 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-03 04:18:30,614 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 15 proven. 3 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-11-03 04:18:30,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1061553755] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-03 04:18:30,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [895787418] [2022-11-03 04:18:30,623 INFO L159 IcfgInterpreter]: Started Sifa with 78 locations of interest [2022-11-03 04:18:30,623 INFO L166 IcfgInterpreter]: Building call graph [2022-11-03 04:18:30,624 INFO L171 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2022-11-03 04:18:30,624 INFO L176 IcfgInterpreter]: Starting interpretation [2022-11-03 04:18:30,624 INFO L197 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 for LOIs [2022-11-03 04:18:31,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:31,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:31,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:31,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:31,511 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 562 treesize of output 448 [2022-11-03 04:18:31,736 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 592 treesize of output 476 [2022-11-03 04:18:31,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:31,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:31,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:31,858 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 26 [2022-11-03 04:18:31,975 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 580 treesize of output 468 [2022-11-03 04:18:32,021 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 0 case distinctions, treesize of input 26 treesize of output 19 [2022-11-03 04:18:32,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:32,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:32,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:32,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:32,254 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 562 treesize of output 448 [2022-11-03 04:18:32,531 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 607 treesize of output 491 [2022-11-03 04:18:32,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:32,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:32,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:32,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:32,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:32,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:32,728 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 21 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 53 [2022-11-03 04:18:32,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:32,979 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 67 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 826 treesize of output 684 [2022-11-03 04:18:34,900 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 883 treesize of output 675 [2022-11-03 04:18:35,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,091 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:35,113 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 57 select indices, 57 select index equivalence classes, 1596 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 398 treesize of output 172 [2022-11-03 04:18:35,226 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 04:18:36,805 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 13 select indices, 13 select index equivalence classes, 78 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 0 case distinctions, treesize of input 883 treesize of output 675 [2022-11-03 04:18:36,879 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 04:18:36,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:36,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:36,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:36,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:36,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:36,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:36,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:36,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:36,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:36,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:36,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:36,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:36,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:36,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:36,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:36,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:36,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:36,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:36,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:36,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:36,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:36,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:36,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:36,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:36,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:36,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:36,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:36,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:36,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:36,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:36,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:37,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:37,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:37,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:37,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:37,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:37,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:37,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:37,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:37,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:37,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:37,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:37,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:37,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:37,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:37,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:37,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:37,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:37,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:37,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:37,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:37,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:37,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:37,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:37,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:37,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:37,049 INFO L244 Elim1Store]: Index analysis took 104 ms [2022-11-03 04:18:37,054 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 57 select indices, 57 select index equivalence classes, 1596 disjoint index pairs (out of 1596 index pairs), introduced 57 new quantified variables, introduced 0 case distinctions, treesize of input 398 treesize of output 172 [2022-11-03 04:18:43,653 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 855 treesize of output 663 [2022-11-03 04:18:43,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,767 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 60 select indices, 60 select index equivalence classes, 1770 disjoint index pairs (out of 1770 index pairs), introduced 60 new quantified variables, introduced 0 case distinctions, treesize of input 419 treesize of output 181 [2022-11-03 04:18:43,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,859 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 561 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 103 [2022-11-03 04:18:43,910 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 855 treesize of output 663 [2022-11-03 04:18:43,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:43,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,057 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 60 select indices, 60 select index equivalence classes, 1770 disjoint index pairs (out of 1770 index pairs), introduced 60 new quantified variables, introduced 0 case distinctions, treesize of input 419 treesize of output 181 [2022-11-03 04:18:44,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,161 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 561 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 103 [2022-11-03 04:18:44,726 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 855 treesize of output 663 [2022-11-03 04:18:44,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,847 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 60 select indices, 60 select index equivalence classes, 1770 disjoint index pairs (out of 1770 index pairs), introduced 60 new quantified variables, introduced 0 case distinctions, treesize of input 419 treesize of output 181 [2022-11-03 04:18:44,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:44,937 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 561 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 103 [2022-11-03 04:18:44,982 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 855 treesize of output 663 [2022-11-03 04:18:45,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,055 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 34 select indices, 34 select index equivalence classes, 561 disjoint index pairs (out of 561 index pairs), introduced 34 new quantified variables, introduced 0 case distinctions, treesize of input 237 treesize of output 103 [2022-11-03 04:18:45,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2022-11-03 04:18:45,185 INFO L390 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 60 select indices, 60 select index equivalence classes, 1770 disjoint index pairs (out of 1770 index pairs), introduced 60 new quantified variables, introduced 0 case distinctions, treesize of input 419 treesize of output 181 [2022-11-03 04:19:03,828 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_zalloc with input of size 119 for LOIs [2022-11-03 04:19:03,857 INFO L197 IcfgInterpreter]: Interpreting procedure ldv_irq_1 with input of size 254 for LOIs [2022-11-03 04:19:04,295 INFO L180 IcfgInterpreter]: Interpretation finished [2022-11-03 04:19:17,102 WARN L234 SmtUtils]: Spent 11.99s on a formula simplification that was a NOOP. DAG size: 1313 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:19:33,604 WARN L234 SmtUtils]: Spent 7.47s on a formula simplification. DAG size of input: 706 DAG size of output: 704 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:19:41,543 WARN L234 SmtUtils]: Spent 7.56s on a formula simplification. DAG size of input: 710 DAG size of output: 708 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:19:49,713 WARN L234 SmtUtils]: Spent 7.76s on a formula simplification. DAG size of input: 718 DAG size of output: 713 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:20:04,960 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSifa [895787418] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 04:20:04,960 INFO L184 FreeRefinementEngine]: Found 1 perfect and 3 imperfect interpolant sequences. [2022-11-03 04:20:04,960 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [21] imperfect sequences [8, 10, 10] total 38 [2022-11-03 04:20:04,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2061148499] [2022-11-03 04:20:04,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 04:20:04,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-11-03 04:20:04,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 04:20:04,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-11-03 04:20:04,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=1221, Unknown=0, NotChecked=0, Total=1406 [2022-11-03 04:20:04,962 INFO L87 Difference]: Start difference. First operand 10785 states and 15197 transitions. Second operand has 22 states, 18 states have (on average 3.111111111111111) internal successors, (56), 14 states have internal predecessors, (56), 5 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2022-11-03 04:20:30,518 WARN L234 SmtUtils]: Spent 24.19s on a formula simplification. DAG size of input: 1317 DAG size of output: 1316 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:20:55,494 WARN L234 SmtUtils]: Spent 24.46s on a formula simplification. DAG size of input: 1325 DAG size of output: 1324 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:21:20,796 WARN L234 SmtUtils]: Spent 24.78s on a formula simplification. DAG size of input: 1331 DAG size of output: 1330 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:21:33,766 WARN L234 SmtUtils]: Spent 12.06s on a formula simplification that was a NOOP. DAG size: 1317 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:21:46,570 WARN L234 SmtUtils]: Spent 12.17s on a formula simplification that was a NOOP. DAG size: 1321 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:21:59,721 WARN L234 SmtUtils]: Spent 12.31s on a formula simplification that was a NOOP. DAG size: 1327 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:22:12,864 WARN L234 SmtUtils]: Spent 12.42s on a formula simplification that was a NOOP. DAG size: 1331 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:22:26,315 WARN L234 SmtUtils]: Spent 12.53s on a formula simplification that was a NOOP. DAG size: 1336 (called from [L 360] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2022-11-03 04:22:55,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:23:06,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:23:08,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:23:10,410 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:23:12,465 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:23:14,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:23:20,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:23:22,468 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:23:24,516 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:23:25,612 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:23:31,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:23:33,469 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:23:35,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:23:37,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:23:39,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:23:41,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:23:47,814 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2022-11-03 04:23:48,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 04:23:48,839 INFO L93 Difference]: Finished difference Result 20704 states and 29180 transitions. [2022-11-03 04:23:48,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-11-03 04:23:48,841 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 18 states have (on average 3.111111111111111) internal successors, (56), 14 states have internal predecessors, (56), 5 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) Word has length 106 [2022-11-03 04:23:48,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 04:23:48,881 INFO L225 Difference]: With dead ends: 20704 [2022-11-03 04:23:48,881 INFO L226 Difference]: Without dead ends: 10906 [2022-11-03 04:23:48,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 274 SyntacticMatches, 15 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 611 ImplicationChecksByTransitivity, 204.6s TimeCoverageRelationStatistics Valid=320, Invalid=2230, Unknown=0, NotChecked=0, Total=2550 [2022-11-03 04:23:48,904 INFO L413 NwaCegarLoop]: 1128 mSDtfsCounter, 67 mSDsluCounter, 9930 mSDsCounter, 0 mSdLazyCounter, 3640 mSolverCounterSat, 57 mSolverCounterUnsat, 14 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 76.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 10404 SdHoareTripleChecker+Invalid, 3711 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 3640 IncrementalHoareTripleChecker+Invalid, 14 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 79.6s IncrementalHoareTripleChecker+Time [2022-11-03 04:23:48,904 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 10404 Invalid, 3711 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [57 Valid, 3640 Invalid, 14 Unknown, 0 Unchecked, 79.6s Time] [2022-11-03 04:23:48,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10906 states. [2022-11-03 04:23:49,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10906 to 10861. [2022-11-03 04:23:49,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10861 states, 6910 states have (on average 1.3053545586107091) internal successors, (9020), 7124 states have internal predecessors, (9020), 3117 states have call successors, (3117), 819 states have call predecessors, (3117), 833 states have return successors, (3159), 3071 states have call predecessors, (3159), 3116 states have call successors, (3159) [2022-11-03 04:23:49,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10861 states to 10861 states and 15296 transitions. [2022-11-03 04:23:49,545 INFO L78 Accepts]: Start accepts. Automaton has 10861 states and 15296 transitions. Word has length 106 [2022-11-03 04:23:49,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 04:23:49,545 INFO L495 AbstractCegarLoop]: Abstraction has 10861 states and 15296 transitions. [2022-11-03 04:23:49,545 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 18 states have (on average 3.111111111111111) internal successors, (56), 14 states have internal predecessors, (56), 5 states have call successors, (16), 3 states have call predecessors, (16), 3 states have return successors, (12), 6 states have call predecessors, (12), 5 states have call successors, (12) [2022-11-03 04:23:49,546 INFO L276 IsEmpty]: Start isEmpty. Operand 10861 states and 15296 transitions. [2022-11-03 04:23:49,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-11-03 04:23:49,550 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 04:23:49,551 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2022-11-03 04:23:49,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2022-11-03 04:23:49,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:23:49,767 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 04:23:49,767 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 04:23:49,767 INFO L85 PathProgramCache]: Analyzing trace with hash 1695803273, now seen corresponding path program 1 times [2022-11-03 04:23:49,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 04:23:49,768 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879507874] [2022-11-03 04:23:49,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:23:49,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 04:23:49,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 04:23:50,305 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2022-11-03 04:23:50,305 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 04:23:50,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879507874] [2022-11-03 04:23:50,305 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879507874] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-03 04:23:50,305 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1038219078] [2022-11-03 04:23:50,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 04:23:50,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-03 04:23:50,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 04:23:50,307 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-03 04:23:50,326 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_362af8aa-f7ad-4c51-b8c7-7dbb86d249a3/bin/utaipan-7li7fVZpFI/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process