./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-usb-gspca-gspca_ov519.cil.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f36482-2714-49fc-aecd-b394fca4847c/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f36482-2714-49fc-aecd-b394fca4847c/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f36482-2714-49fc-aecd-b394fca4847c/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f36482-2714-49fc-aecd-b394fca4847c/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-usb-gspca-gspca_ov519.cil.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f36482-2714-49fc-aecd-b394fca4847c/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f36482-2714-49fc-aecd-b394fca4847c/bin/ukojak-vF6T2TMglN --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 Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash d32928d801fbef437507a95ab59a9f2ab5bdcb4ad57bcaf83180b689fec93c7c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 04:31:55,770 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 04:31:55,772 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 04:31:55,802 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 04:31:55,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 04:31:55,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 04:31:55,806 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 04:31:55,808 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 04:31:55,810 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 04:31:55,811 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 04:31:55,812 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 04:31:55,814 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 04:31:55,814 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 04:31:55,816 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 04:31:55,817 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 04:31:55,819 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 04:31:55,820 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 04:31:55,821 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 04:31:55,823 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 04:31:55,826 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 04:31:55,828 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 04:31:55,832 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 04:31:55,833 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 04:31:55,834 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 04:31:55,838 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 04:31:55,838 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 04:31:55,838 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 04:31:55,839 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 04:31:55,840 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 04:31:55,841 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 04:31:55,841 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 04:31:55,842 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 04:31:55,843 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 04:31:55,844 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 04:31:55,845 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 04:31:55,846 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 04:31:55,846 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 04:31:55,847 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 04:31:55,847 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 04:31:55,848 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 04:31:55,849 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 04:31:55,849 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f36482-2714-49fc-aecd-b394fca4847c/bin/ukojak-vF6T2TMglN/config/svcomp-Reach-64bit-Kojak_Default.epf [2021-11-21 04:31:55,874 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 04:31:55,875 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 04:31:55,875 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 04:31:55,876 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 04:31:55,876 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 04:31:55,877 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 04:31:55,877 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 04:31:55,877 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 04:31:55,877 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 04:31:55,877 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 04:31:55,878 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 04:31:55,878 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 04:31:55,878 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 04:31:55,878 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 04:31:55,878 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 04:31:55,879 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 04:31:55,879 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 04:31:55,879 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 04:31:55,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:31:55,880 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 04:31:55,880 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 04:31:55,880 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 04:31:55,880 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 04:31:55,880 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 04:31:55,881 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 04:31:55,881 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_67f36482-2714-49fc-aecd-b394fca4847c/bin/ukojak-vF6T2TMglN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f36482-2714-49fc-aecd-b394fca4847c/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d32928d801fbef437507a95ab59a9f2ab5bdcb4ad57bcaf83180b689fec93c7c [2021-11-21 04:31:56,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 04:31:56,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 04:31:56,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 04:31:56,152 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 04:31:56,153 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 04:31:56,154 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f36482-2714-49fc-aecd-b394fca4847c/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-usb-gspca-gspca_ov519.cil.i [2021-11-21 04:31:56,223 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f36482-2714-49fc-aecd-b394fca4847c/bin/ukojak-vF6T2TMglN/data/099d5b9be/0b80d74ac7aa4474b524e7c8d5b79f24/FLAGf58cde101 [2021-11-21 04:31:57,137 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 04:31:57,138 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f36482-2714-49fc-aecd-b394fca4847c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-usb-gspca-gspca_ov519.cil.i [2021-11-21 04:31:57,189 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f36482-2714-49fc-aecd-b394fca4847c/bin/ukojak-vF6T2TMglN/data/099d5b9be/0b80d74ac7aa4474b524e7c8d5b79f24/FLAGf58cde101 [2021-11-21 04:31:57,700 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f36482-2714-49fc-aecd-b394fca4847c/bin/ukojak-vF6T2TMglN/data/099d5b9be/0b80d74ac7aa4474b524e7c8d5b79f24 [2021-11-21 04:31:57,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 04:31:57,703 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 04:31:57,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 04:31:57,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 04:31:57,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 04:31:57,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:31:57" (1/1) ... [2021-11-21 04:31:57,709 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70fb95d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:31:57, skipping insertion in model container [2021-11-21 04:31:57,709 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 04:31:57" (1/1) ... [2021-11-21 04:31:57,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 04:31:57,895 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 04:32:00,238 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_67f36482-2714-49fc-aecd-b394fca4847c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-usb-gspca-gspca_ov519.cil.i[343728,343741] [2021-11-21 04:32:00,241 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_67f36482-2714-49fc-aecd-b394fca4847c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-usb-gspca-gspca_ov519.cil.i[343894,343907] [2021-11-21 04:32:00,242 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_67f36482-2714-49fc-aecd-b394fca4847c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-usb-gspca-gspca_ov519.cil.i[344058,344071] [2021-11-21 04:32:00,242 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_67f36482-2714-49fc-aecd-b394fca4847c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-usb-gspca-gspca_ov519.cil.i[344223,344236] [2021-11-21 04:32:00,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:32:00,409 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 04:32:00,939 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_67f36482-2714-49fc-aecd-b394fca4847c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-usb-gspca-gspca_ov519.cil.i[343728,343741] [2021-11-21 04:32:00,939 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_67f36482-2714-49fc-aecd-b394fca4847c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-usb-gspca-gspca_ov519.cil.i[343894,343907] [2021-11-21 04:32:00,940 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_67f36482-2714-49fc-aecd-b394fca4847c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-usb-gspca-gspca_ov519.cil.i[344058,344071] [2021-11-21 04:32:00,940 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_67f36482-2714-49fc-aecd-b394fca4847c/sv-benchmarks/c/ldv-linux-3.14/linux-3.14_linux-kernel-locking-mutex_drivers-media-usb-gspca-gspca_ov519.cil.i[344223,344236] [2021-11-21 04:32:00,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 04:32:01,160 INFO L208 MainTranslator]: Completed translation [2021-11-21 04:32:01,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:01 WrapperNode [2021-11-21 04:32:01,161 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 04:32:01,162 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 04:32:01,162 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 04:32:01,162 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 04:32:01,170 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:01" (1/1) ... [2021-11-21 04:32:01,306 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:01" (1/1) ... [2021-11-21 04:32:01,740 INFO L137 Inliner]: procedures = 252, calls = 5649, calls flagged for inlining = 117, calls inlined = 103, statements flattened = 8110 [2021-11-21 04:32:01,741 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 04:32:01,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 04:32:01,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 04:32:01,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 04:32:01,751 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:01" (1/1) ... [2021-11-21 04:32:01,751 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:01" (1/1) ... [2021-11-21 04:32:01,843 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:01" (1/1) ... [2021-11-21 04:32:01,843 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:01" (1/1) ... [2021-11-21 04:32:02,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:01" (1/1) ... [2021-11-21 04:32:02,092 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:01" (1/1) ... [2021-11-21 04:32:02,230 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:01" (1/1) ... [2021-11-21 04:32:02,270 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 04:32:02,272 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 04:32:02,272 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 04:32:02,272 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 04:32:02,274 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 04:32:01" (1/1) ... [2021-11-21 04:32:02,282 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 04:32:02,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f36482-2714-49fc-aecd-b394fca4847c/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 04:32:02,308 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f36482-2714-49fc-aecd-b394fca4847c/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 04:32:02,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67f36482-2714-49fc-aecd-b394fca4847c/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 04:32:02,359 INFO L130 BoogieDeclarations]: Found specification of procedure setbrightness [2021-11-21 04:32:02,359 INFO L138 BoogieDeclarations]: Found implementation of procedure setbrightness [2021-11-21 04:32:02,359 INFO L130 BoogieDeclarations]: Found specification of procedure ov519_set_fr [2021-11-21 04:32:02,360 INFO L138 BoogieDeclarations]: Found implementation of procedure ov519_set_fr [2021-11-21 04:32:02,360 INFO L130 BoogieDeclarations]: Found specification of procedure w9968cf_write_sb [2021-11-21 04:32:02,360 INFO L138 BoogieDeclarations]: Found implementation of procedure w9968cf_write_sb [2021-11-21 04:32:02,360 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2021-11-21 04:32:02,360 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2021-11-21 04:32:02,360 INFO L130 BoogieDeclarations]: Found specification of procedure sd_isoc_init [2021-11-21 04:32:02,361 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_isoc_init [2021-11-21 04:32:02,361 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-21 04:32:02,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-21 04:32:02,361 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-21 04:32:02,361 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-21 04:32:02,361 INFO L130 BoogieDeclarations]: Found specification of procedure usb_altnum_to_altsetting [2021-11-21 04:32:02,362 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_altnum_to_altsetting [2021-11-21 04:32:02,362 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-21 04:32:02,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-21 04:32:02,362 INFO L130 BoogieDeclarations]: Found specification of procedure ov51x_upload_quan_tables [2021-11-21 04:32:02,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ov51x_upload_quan_tables [2021-11-21 04:32:02,362 INFO L130 BoogieDeclarations]: Found specification of procedure sd_start [2021-11-21 04:32:02,362 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_start [2021-11-21 04:32:02,363 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-21 04:32:02,363 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-21 04:32:02,363 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_frame_add [2021-11-21 04:32:02,363 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_frame_add [2021-11-21 04:32:02,363 INFO L130 BoogieDeclarations]: Found specification of procedure reg_w_mask [2021-11-21 04:32:02,363 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_w_mask [2021-11-21 04:32:02,364 INFO L130 BoogieDeclarations]: Found specification of procedure ov518_i2c_w [2021-11-21 04:32:02,364 INFO L138 BoogieDeclarations]: Found implementation of procedure ov518_i2c_w [2021-11-21 04:32:02,364 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 04:32:02,364 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2021-11-21 04:32:02,364 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2021-11-21 04:32:02,364 INFO L130 BoogieDeclarations]: Found specification of procedure ov519_set_mode [2021-11-21 04:32:02,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ov519_set_mode [2021-11-21 04:32:02,365 INFO L130 BoogieDeclarations]: Found specification of procedure ov51x_handle_button [2021-11-21 04:32:02,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ov51x_handle_button [2021-11-21 04:32:02,365 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-21 04:32:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-21 04:32:02,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_xmalloc [2021-11-21 04:32:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure ov51x_stop [2021-11-21 04:32:02,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ov51x_stop [2021-11-21 04:32:02,366 INFO L130 BoogieDeclarations]: Found specification of procedure w9968cf_smbus_stop [2021-11-21 04:32:02,366 INFO L138 BoogieDeclarations]: Found implementation of procedure w9968cf_smbus_stop [2021-11-21 04:32:02,367 INFO L130 BoogieDeclarations]: Found specification of procedure usb_ifnum_to_if [2021-11-21 04:32:02,367 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_ifnum_to_if [2021-11-21 04:32:02,367 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std [2021-11-21 04:32:02,367 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std [2021-11-21 04:32:02,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-21 04:32:02,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-21 04:32:02,368 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-21 04:32:02,368 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assert_linux_kernel_locking_mutex__one_thread_locked_at_exit [2021-11-21 04:32:02,369 INFO L130 BoogieDeclarations]: Found specification of procedure sd_reset_snapshot [2021-11-21 04:32:02,369 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_reset_snapshot [2021-11-21 04:32:02,369 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 04:32:02,370 INFO L130 BoogieDeclarations]: Found specification of procedure mode_init_ov_sensor_regs [2021-11-21 04:32:02,370 INFO L138 BoogieDeclarations]: Found implementation of procedure mode_init_ov_sensor_regs [2021-11-21 04:32:02,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-21 04:32:02,371 INFO L130 BoogieDeclarations]: Found specification of procedure w9968cf_smbus_read_ack [2021-11-21 04:32:02,372 INFO L138 BoogieDeclarations]: Found implementation of procedure w9968cf_smbus_read_ack [2021-11-21 04:32:02,372 INFO L130 BoogieDeclarations]: Found specification of procedure write_regvals [2021-11-21 04:32:02,372 INFO L138 BoogieDeclarations]: Found implementation of procedure write_regvals [2021-11-21 04:32:02,372 INFO L130 BoogieDeclarations]: Found specification of procedure ov518_reg_w32 [2021-11-21 04:32:02,373 INFO L138 BoogieDeclarations]: Found implementation of procedure ov518_reg_w32 [2021-11-21 04:32:02,373 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_filter_positive_int [2021-11-21 04:32:02,374 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_filter_positive_int [2021-11-21 04:32:02,374 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2021-11-21 04:32:02,374 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2021-11-21 04:32:02,374 INFO L130 BoogieDeclarations]: Found specification of procedure write_i2c_regvals [2021-11-21 04:32:02,374 INFO L138 BoogieDeclarations]: Found implementation of procedure write_i2c_regvals [2021-11-21 04:32:02,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-21 04:32:02,375 INFO L130 BoogieDeclarations]: Found specification of procedure w9968cf_smbus_write_byte [2021-11-21 04:32:02,375 INFO L138 BoogieDeclarations]: Found implementation of procedure w9968cf_smbus_write_byte [2021-11-21 04:32:02,375 INFO L130 BoogieDeclarations]: Found specification of procedure sd_g_volatile_ctrl [2021-11-21 04:32:02,375 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_g_volatile_ctrl [2021-11-21 04:32:02,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-21 04:32:02,375 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_assume [2021-11-21 04:32:02,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_assume [2021-11-21 04:32:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_grab [2021-11-21 04:32:02,376 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_grab [2021-11-21 04:32:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 04:32:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-21 04:32:02,376 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-21 04:32:02,376 INFO L130 BoogieDeclarations]: Found specification of procedure __create_pipe [2021-11-21 04:32:02,377 INFO L138 BoogieDeclarations]: Found implementation of procedure __create_pipe [2021-11-21 04:32:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure sd_init [2021-11-21 04:32:02,377 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_init [2021-11-21 04:32:02,377 INFO L130 BoogieDeclarations]: Found specification of procedure init_ov_sensor [2021-11-21 04:32:02,378 INFO L138 BoogieDeclarations]: Found implementation of procedure init_ov_sensor [2021-11-21 04:32:02,378 INFO L130 BoogieDeclarations]: Found specification of procedure w9968cf_write_fsb [2021-11-21 04:32:02,378 INFO L138 BoogieDeclarations]: Found implementation of procedure w9968cf_write_fsb [2021-11-21 04:32:02,378 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 04:32:02,379 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2021-11-21 04:32:02,379 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2021-11-21 04:32:02,380 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_disconnect [2021-11-21 04:32:02,380 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_disconnect [2021-11-21 04:32:02,380 INFO L130 BoogieDeclarations]: Found specification of procedure w9968cf_smbus_start [2021-11-21 04:32:02,380 INFO L138 BoogieDeclarations]: Found implementation of procedure w9968cf_smbus_start [2021-11-21 04:32:02,380 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_new_std_menu [2021-11-21 04:32:02,380 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_new_std_menu [2021-11-21 04:32:02,381 INFO L130 BoogieDeclarations]: Found specification of procedure w9968cf_set_crop_window [2021-11-21 04:32:02,381 INFO L138 BoogieDeclarations]: Found implementation of procedure w9968cf_set_crop_window [2021-11-21 04:32:02,381 INFO L130 BoogieDeclarations]: Found specification of procedure ov51x_led_control [2021-11-21 04:32:02,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ov51x_led_control [2021-11-21 04:32:02,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-21 04:32:02,381 INFO L130 BoogieDeclarations]: Found specification of procedure gspca_resume [2021-11-21 04:32:02,381 INFO L138 BoogieDeclarations]: Found implementation of procedure gspca_resume [2021-11-21 04:32:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-21 04:32:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_w_mask [2021-11-21 04:32:02,382 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_w_mask [2021-11-21 04:32:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2021-11-21 04:32:02,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2021-11-21 04:32:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2021-11-21 04:32:02,383 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2021-11-21 04:32:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-21 04:32:02,383 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-21 04:32:02,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-21 04:32:02,384 INFO L130 BoogieDeclarations]: Found specification of procedure usb_control_msg [2021-11-21 04:32:02,385 INFO L138 BoogieDeclarations]: Found implementation of procedure usb_control_msg [2021-11-21 04:32:02,388 INFO L130 BoogieDeclarations]: Found specification of procedure sd_stopN [2021-11-21 04:32:02,388 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_stopN [2021-11-21 04:32:02,389 INFO L130 BoogieDeclarations]: Found specification of procedure sd_s_ctrl [2021-11-21 04:32:02,390 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_s_ctrl [2021-11-21 04:32:02,390 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_g_ctrl [2021-11-21 04:32:02,391 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_g_ctrl [2021-11-21 04:32:02,391 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_free [2021-11-21 04:32:02,391 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_free [2021-11-21 04:32:02,391 INFO L130 BoogieDeclarations]: Found specification of procedure sd_stop0 [2021-11-21 04:32:02,397 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_stop0 [2021-11-21 04:32:02,397 INFO L130 BoogieDeclarations]: Found specification of procedure ov51x_restart [2021-11-21 04:32:02,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ov51x_restart [2021-11-21 04:32:02,398 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_w [2021-11-21 04:32:02,398 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_w [2021-11-21 04:32:02,398 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_r [2021-11-21 04:32:02,398 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_r [2021-11-21 04:32:02,398 INFO L130 BoogieDeclarations]: Found specification of procedure reg_r8 [2021-11-21 04:32:02,399 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_r8 [2021-11-21 04:32:02,399 INFO L130 BoogieDeclarations]: Found specification of procedure sd_init_controls [2021-11-21 04:32:02,399 INFO L138 BoogieDeclarations]: Found implementation of procedure sd_init_controls [2021-11-21 04:32:02,399 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-21 04:32:02,399 INFO L130 BoogieDeclarations]: Found specification of procedure v4l2_ctrl_auto_cluster [2021-11-21 04:32:02,399 INFO L138 BoogieDeclarations]: Found implementation of procedure v4l2_ctrl_auto_cluster [2021-11-21 04:32:02,399 INFO L130 BoogieDeclarations]: Found specification of procedure reg_r [2021-11-21 04:32:02,400 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_r [2021-11-21 04:32:02,400 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2021-11-21 04:32:02,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2021-11-21 04:32:02,400 INFO L130 BoogieDeclarations]: Found specification of procedure w9968cf_read_sb [2021-11-21 04:32:02,400 INFO L138 BoogieDeclarations]: Found implementation of procedure w9968cf_read_sb [2021-11-21 04:32:02,400 INFO L130 BoogieDeclarations]: Found specification of procedure reg_w [2021-11-21 04:32:02,400 INFO L138 BoogieDeclarations]: Found implementation of procedure reg_w [2021-11-21 04:32:02,401 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 04:32:02,401 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 04:32:03,170 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 04:32:03,173 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 04:32:38,549 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-21 04:38:27,655 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 04:38:32,067 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 04:38:32,067 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-21 04:38:32,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:38:32 BoogieIcfgContainer [2021-11-21 04:38:32,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 04:38:32,074 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 04:38:32,074 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 04:38:32,085 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 04:38:32,085 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 04:38:32" (1/1) ... [2021-11-21 04:38:32,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 04:38:32,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:38:32,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2402 states to 1507 states and 2402 transitions. [2021-11-21 04:38:32,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1507 states and 2402 transitions. [2021-11-21 04:38:32,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-11-21 04:38:32,215 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:38:32,216 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:38:32,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:38:33,652 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-21 04:38:35,120 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 04:38:36,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:38:36,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2430 states to 1518 states and 2423 transitions. [2021-11-21 04:38:36,037 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 2423 transitions. [2021-11-21 04:38:36,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2021-11-21 04:38:36,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:38:36,040 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:38:36,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:38:36,865 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-11-21 04:38:38,888 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 04:38:39,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:38:39,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2457 states to 1528 states and 2443 transitions. [2021-11-21 04:38:39,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 2443 transitions. [2021-11-21 04:38:39,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2021-11-21 04:38:39,898 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:38:39,898 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:38:40,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:38:40,404 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 04:38:40,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:38:40,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 1534 states and 2453 transitions. [2021-11-21 04:38:40,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 2453 transitions. [2021-11-21 04:38:40,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-11-21 04:38:40,636 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:38:40,636 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:38:40,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:38:41,524 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-11-21 04:38:44,231 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 04:38:47,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:38:47,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2506 states to 1549 states and 2485 transitions. [2021-11-21 04:38:47,792 INFO L276 IsEmpty]: Start isEmpty. Operand 1549 states and 2485 transitions. [2021-11-21 04:38:47,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2021-11-21 04:38:47,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:38:47,795 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:38:47,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:38:48,271 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 04:38:48,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:38:48,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2509 states to 1551 states and 2488 transitions. [2021-11-21 04:38:48,415 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 2488 transitions. [2021-11-21 04:38:48,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2021-11-21 04:38:48,423 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:38:48,424 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:38:48,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:38:48,914 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-11-21 04:38:50,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:38:50,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2519 states to 1557 states and 2498 transitions. [2021-11-21 04:38:50,041 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 2498 transitions. [2021-11-21 04:38:50,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2021-11-21 04:38:50,043 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:38:50,043 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:38:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:38:51,042 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-11-21 04:38:54,120 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 04:38:58,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:38:58,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2559 states to 1573 states and 2531 transitions. [2021-11-21 04:38:58,615 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 2531 transitions. [2021-11-21 04:38:58,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2021-11-21 04:38:58,616 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:38:58,616 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:38:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:38:59,044 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-11-21 04:38:59,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:38:59,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2562 states to 1575 states and 2534 transitions. [2021-11-21 04:38:59,184 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 2534 transitions. [2021-11-21 04:38:59,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-11-21 04:38:59,199 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:38:59,199 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:38:59,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:38:59,737 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-11-21 04:39:00,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:00,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2617 states to 1600 states and 2589 transitions. [2021-11-21 04:39:00,743 INFO L276 IsEmpty]: Start isEmpty. Operand 1600 states and 2589 transitions. [2021-11-21 04:39:00,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2021-11-21 04:39:00,757 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:00,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:00,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:01,209 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2021-11-21 04:39:03,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:03,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2677 states to 1627 states and 2649 transitions. [2021-11-21 04:39:03,100 INFO L276 IsEmpty]: Start isEmpty. Operand 1627 states and 2649 transitions. [2021-11-21 04:39:03,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2021-11-21 04:39:03,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:03,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:03,562 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2021-11-21 04:39:04,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:04,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2732 states to 1652 states and 2704 transitions. [2021-11-21 04:39:04,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 2704 transitions. [2021-11-21 04:39:04,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2021-11-21 04:39:04,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:04,501 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:04,968 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-21 04:39:05,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:05,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2734 states to 1654 states and 2706 transitions. [2021-11-21 04:39:05,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1654 states and 2706 transitions. [2021-11-21 04:39:05,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-21 04:39:05,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:05,197 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:05,680 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-11-21 04:39:05,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:05,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2736 states to 1656 states and 2708 transitions. [2021-11-21 04:39:05,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 2708 transitions. [2021-11-21 04:39:05,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2021-11-21 04:39:05,924 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:05,925 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:06,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:06,386 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-11-21 04:39:06,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:06,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 1658 states and 2710 transitions. [2021-11-21 04:39:06,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states and 2710 transitions. [2021-11-21 04:39:06,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2021-11-21 04:39:06,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:06,669 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:06,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:07,155 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-11-21 04:39:07,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:07,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2740 states to 1660 states and 2712 transitions. [2021-11-21 04:39:07,379 INFO L276 IsEmpty]: Start isEmpty. Operand 1660 states and 2712 transitions. [2021-11-21 04:39:07,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-21 04:39:07,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:07,394 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:07,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:07,844 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-11-21 04:39:08,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:08,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2795 states to 1685 states and 2767 transitions. [2021-11-21 04:39:08,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1685 states and 2767 transitions. [2021-11-21 04:39:08,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2021-11-21 04:39:08,972 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:08,973 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:09,414 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-21 04:39:09,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:09,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2797 states to 1687 states and 2769 transitions. [2021-11-21 04:39:09,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 2769 transitions. [2021-11-21 04:39:09,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-21 04:39:09,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:09,653 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:09,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:10,067 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-11-21 04:39:10,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:10,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 1689 states and 2771 transitions. [2021-11-21 04:39:10,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1689 states and 2771 transitions. [2021-11-21 04:39:10,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2021-11-21 04:39:10,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:10,298 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:10,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:10,730 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-21 04:39:10,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:10,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2802 states to 1691 states and 2774 transitions. [2021-11-21 04:39:10,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 2774 transitions. [2021-11-21 04:39:10,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2021-11-21 04:39:10,910 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:10,910 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:11,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:11,347 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-11-21 04:39:11,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:11,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2804 states to 1693 states and 2776 transitions. [2021-11-21 04:39:11,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1693 states and 2776 transitions. [2021-11-21 04:39:11,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-21 04:39:11,523 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:11,523 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:11,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:12,071 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-11-21 04:39:12,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:12,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2806 states to 1695 states and 2778 transitions. [2021-11-21 04:39:12,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 2778 transitions. [2021-11-21 04:39:12,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2021-11-21 04:39:12,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:12,280 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:12,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:12,674 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-11-21 04:39:13,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:13,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2812 states to 1698 states and 2784 transitions. [2021-11-21 04:39:13,024 INFO L276 IsEmpty]: Start isEmpty. Operand 1698 states and 2784 transitions. [2021-11-21 04:39:13,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2021-11-21 04:39:13,045 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:13,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:13,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:13,447 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2021-11-21 04:39:13,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:13,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 1700 states and 2786 transitions. [2021-11-21 04:39:13,607 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 2786 transitions. [2021-11-21 04:39:13,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-21 04:39:13,619 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:13,619 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:14,011 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-11-21 04:39:14,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:14,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2816 states to 1702 states and 2788 transitions. [2021-11-21 04:39:14,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1702 states and 2788 transitions. [2021-11-21 04:39:14,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-21 04:39:14,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:14,213 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:14,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:14,599 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-21 04:39:14,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:14,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2819 states to 1704 states and 2791 transitions. [2021-11-21 04:39:14,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1704 states and 2791 transitions. [2021-11-21 04:39:14,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-21 04:39:14,756 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:14,756 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:14,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:15,137 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-21 04:39:15,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:15,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2821 states to 1706 states and 2793 transitions. [2021-11-21 04:39:15,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1706 states and 2793 transitions. [2021-11-21 04:39:15,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2021-11-21 04:39:15,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:15,256 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:15,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:15,660 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-11-21 04:39:15,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:15,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2822 states to 1707 states and 2794 transitions. [2021-11-21 04:39:15,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2794 transitions. [2021-11-21 04:39:15,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2021-11-21 04:39:15,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:15,693 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:15,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:16,169 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2021-11-21 04:39:16,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:16,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2824 states to 1709 states and 2796 transitions. [2021-11-21 04:39:16,299 INFO L276 IsEmpty]: Start isEmpty. Operand 1709 states and 2796 transitions. [2021-11-21 04:39:16,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-21 04:39:16,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:16,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:16,693 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-11-21 04:39:16,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:16,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2827 states to 1711 states and 2799 transitions. [2021-11-21 04:39:16,720 INFO L276 IsEmpty]: Start isEmpty. Operand 1711 states and 2799 transitions. [2021-11-21 04:39:16,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2021-11-21 04:39:16,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:16,726 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:16,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:17,138 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-11-21 04:39:17,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:17,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2827 states to 1712 states and 2799 transitions. [2021-11-21 04:39:17,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2799 transitions. [2021-11-21 04:39:17,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-21 04:39:17,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:17,390 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:17,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:17,763 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-21 04:39:17,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:17,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2829 states to 1714 states and 2801 transitions. [2021-11-21 04:39:17,903 INFO L276 IsEmpty]: Start isEmpty. Operand 1714 states and 2801 transitions. [2021-11-21 04:39:17,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-21 04:39:17,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:17,908 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:18,290 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-21 04:39:18,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:18,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2834 states to 1718 states and 2806 transitions. [2021-11-21 04:39:18,397 INFO L276 IsEmpty]: Start isEmpty. Operand 1718 states and 2806 transitions. [2021-11-21 04:39:18,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-11-21 04:39:18,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:18,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:18,797 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-11-21 04:39:19,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:19,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2840 states to 1721 states and 2812 transitions. [2021-11-21 04:39:19,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 2812 transitions. [2021-11-21 04:39:19,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-11-21 04:39:19,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:19,145 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:19,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:19,541 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-11-21 04:39:19,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:19,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2842 states to 1723 states and 2814 transitions. [2021-11-21 04:39:19,703 INFO L276 IsEmpty]: Start isEmpty. Operand 1723 states and 2814 transitions. [2021-11-21 04:39:19,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-11-21 04:39:19,709 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:19,709 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:20,222 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2021-11-21 04:39:20,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:20,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2884 states to 1743 states and 2848 transitions. [2021-11-21 04:39:20,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1743 states and 2848 transitions. [2021-11-21 04:39:20,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-21 04:39:20,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:20,888 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:21,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:21,298 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2021-11-21 04:39:21,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:21,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2886 states to 1745 states and 2850 transitions. [2021-11-21 04:39:21,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 2850 transitions. [2021-11-21 04:39:21,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-21 04:39:21,475 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:21,476 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:21,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:21,851 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-11-21 04:39:21,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:21,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2889 states to 1747 states and 2853 transitions. [2021-11-21 04:39:21,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 2853 transitions. [2021-11-21 04:39:21,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-21 04:39:21,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:21,961 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:22,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:22,337 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2021-11-21 04:39:22,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:22,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2891 states to 1749 states and 2855 transitions. [2021-11-21 04:39:22,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 2855 transitions. [2021-11-21 04:39:22,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2021-11-21 04:39:22,511 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:22,511 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:22,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:22,893 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-11-21 04:39:22,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:22,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2892 states to 1750 states and 2856 transitions. [2021-11-21 04:39:22,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1750 states and 2856 transitions. [2021-11-21 04:39:22,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2021-11-21 04:39:22,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:22,923 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:23,252 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2021-11-21 04:39:23,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:23,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2894 states to 1752 states and 2858 transitions. [2021-11-21 04:39:23,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1752 states and 2858 transitions. [2021-11-21 04:39:23,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-21 04:39:23,393 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:23,393 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:23,766 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-11-21 04:39:23,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:23,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2897 states to 1754 states and 2861 transitions. [2021-11-21 04:39:23,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1754 states and 2861 transitions. [2021-11-21 04:39:23,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2021-11-21 04:39:23,803 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:23,804 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:24,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:24,292 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2021-11-21 04:39:24,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:24,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2897 states to 1755 states and 2861 transitions. [2021-11-21 04:39:24,560 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 2861 transitions. [2021-11-21 04:39:24,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-21 04:39:24,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:24,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:24,998 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-21 04:39:25,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:25,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2899 states to 1757 states and 2863 transitions. [2021-11-21 04:39:25,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1757 states and 2863 transitions. [2021-11-21 04:39:25,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-21 04:39:25,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:25,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:25,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:25,603 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2021-11-21 04:39:25,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:25,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2900 states to 1753 states and 2856 transitions. [2021-11-21 04:39:25,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 2856 transitions. [2021-11-21 04:39:25,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-11-21 04:39:25,667 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:25,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:26,081 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2021-11-21 04:39:26,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:26,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2901 states to 1740 states and 2834 transitions. [2021-11-21 04:39:26,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1740 states and 2834 transitions. [2021-11-21 04:39:26,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-11-21 04:39:26,146 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:26,147 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:26,544 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 433 trivial. 0 not checked. [2021-11-21 04:39:29,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:29,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2947 states to 1760 states and 2870 transitions. [2021-11-21 04:39:29,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 2870 transitions. [2021-11-21 04:39:29,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-21 04:39:29,025 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:29,025 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:29,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:29,393 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2021-11-21 04:39:29,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:29,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2949 states to 1762 states and 2872 transitions. [2021-11-21 04:39:29,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 2872 transitions. [2021-11-21 04:39:29,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-21 04:39:29,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:29,551 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:29,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:29,873 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2021-11-21 04:39:29,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:29,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2954 states to 1766 states and 2877 transitions. [2021-11-21 04:39:29,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1766 states and 2877 transitions. [2021-11-21 04:39:30,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-11-21 04:39:30,000 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:30,000 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:30,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:30,488 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 425 trivial. 0 not checked. [2021-11-21 04:39:32,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:32,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2998 states to 1786 states and 2912 transitions. [2021-11-21 04:39:32,901 INFO L276 IsEmpty]: Start isEmpty. Operand 1786 states and 2912 transitions. [2021-11-21 04:39:32,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-11-21 04:39:32,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:32,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:33,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:33,295 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2021-11-21 04:39:35,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:35,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3036 states to 1798 states and 2933 transitions. [2021-11-21 04:39:35,593 INFO L276 IsEmpty]: Start isEmpty. Operand 1798 states and 2933 transitions. [2021-11-21 04:39:35,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-11-21 04:39:35,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:35,598 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:35,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:35,968 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2021-11-21 04:39:36,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:36,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3037 states to 1772 states and 2889 transitions. [2021-11-21 04:39:36,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1772 states and 2889 transitions. [2021-11-21 04:39:36,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2021-11-21 04:39:36,049 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:36,049 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:36,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:36,427 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-11-21 04:39:36,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:36,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3043 states to 1775 states and 2895 transitions. [2021-11-21 04:39:36,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2895 transitions. [2021-11-21 04:39:36,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-21 04:39:36,678 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:36,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:36,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:36,983 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-11-21 04:39:37,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:37,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3045 states to 1777 states and 2897 transitions. [2021-11-21 04:39:37,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1777 states and 2897 transitions. [2021-11-21 04:39:37,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2021-11-21 04:39:37,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:37,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:37,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:37,478 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2021-11-21 04:39:39,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:39,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3087 states to 1797 states and 2931 transitions. [2021-11-21 04:39:39,133 INFO L276 IsEmpty]: Start isEmpty. Operand 1797 states and 2931 transitions. [2021-11-21 04:39:39,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-21 04:39:39,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:39,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:39,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:39,506 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2021-11-21 04:39:39,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:39,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3110 states to 1807 states and 2954 transitions. [2021-11-21 04:39:39,806 INFO L276 IsEmpty]: Start isEmpty. Operand 1807 states and 2954 transitions. [2021-11-21 04:39:39,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2021-11-21 04:39:39,811 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:39,811 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:39,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:40,322 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2021-11-21 04:39:40,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:40,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3120 states to 1813 states and 2964 transitions. [2021-11-21 04:39:40,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 2964 transitions. [2021-11-21 04:39:40,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-21 04:39:40,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:40,453 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:40,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:40,818 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2021-11-21 04:39:40,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:40,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3121 states to 1809 states and 2957 transitions. [2021-11-21 04:39:40,881 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2957 transitions. [2021-11-21 04:39:40,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-21 04:39:40,886 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:40,886 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:40,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:41,194 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2021-11-21 04:39:41,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:41,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3122 states to 1796 states and 2935 transitions. [2021-11-21 04:39:41,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1796 states and 2935 transitions. [2021-11-21 04:39:41,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-21 04:39:41,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:41,259 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:41,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:41,534 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2021-11-21 04:39:41,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:41,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3125 states to 1798 states and 2938 transitions. [2021-11-21 04:39:41,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1798 states and 2938 transitions. [2021-11-21 04:39:41,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-21 04:39:41,610 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:41,610 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:41,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:41,994 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2021-11-21 04:39:42,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:42,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3127 states to 1800 states and 2940 transitions. [2021-11-21 04:39:42,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1800 states and 2940 transitions. [2021-11-21 04:39:42,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-11-21 04:39:42,122 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:42,123 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:42,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:42,466 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-11-21 04:39:42,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:42,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3128 states to 1801 states and 2941 transitions. [2021-11-21 04:39:42,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1801 states and 2941 transitions. [2021-11-21 04:39:42,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-21 04:39:42,505 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:42,506 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:42,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:42,855 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2021-11-21 04:39:42,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:42,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3137 states to 1806 states and 2950 transitions. [2021-11-21 04:39:42,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2950 transitions. [2021-11-21 04:39:42,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-21 04:39:42,934 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:42,934 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:43,322 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-11-21 04:39:43,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:43,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 1808 states and 2953 transitions. [2021-11-21 04:39:43,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1808 states and 2953 transitions. [2021-11-21 04:39:43,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-11-21 04:39:43,349 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:43,349 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:43,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:43,800 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2021-11-21 04:39:44,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:44,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 1809 states and 2953 transitions. [2021-11-21 04:39:44,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1809 states and 2953 transitions. [2021-11-21 04:39:44,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-21 04:39:44,249 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:44,249 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:44,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:44,584 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2021-11-21 04:39:44,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:44,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3141 states to 1805 states and 2946 transitions. [2021-11-21 04:39:44,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1805 states and 2946 transitions. [2021-11-21 04:39:44,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2021-11-21 04:39:44,635 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:44,635 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:44,955 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2021-11-21 04:39:44,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:45,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3142 states to 1792 states and 2924 transitions. [2021-11-21 04:39:45,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2924 transitions. [2021-11-21 04:39:45,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-21 04:39:45,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:45,008 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:45,295 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2021-11-21 04:39:45,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:45,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3151 states to 1796 states and 2933 transitions. [2021-11-21 04:39:45,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1796 states and 2933 transitions. [2021-11-21 04:39:45,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-11-21 04:39:45,396 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:45,396 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:45,686 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2021-11-21 04:39:45,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:45,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3153 states to 1797 states and 2935 transitions. [2021-11-21 04:39:45,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1797 states and 2935 transitions. [2021-11-21 04:39:45,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-21 04:39:45,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:45,740 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:45,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:46,022 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-11-21 04:39:46,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:46,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3158 states to 1801 states and 2940 transitions. [2021-11-21 04:39:46,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1801 states and 2940 transitions. [2021-11-21 04:39:46,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2021-11-21 04:39:46,143 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:46,144 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:46,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:46,419 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2021-11-21 04:39:46,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:46,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3164 states to 1804 states and 2946 transitions. [2021-11-21 04:39:46,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2946 transitions. [2021-11-21 04:39:46,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-21 04:39:46,668 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:46,668 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:46,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:46,959 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2021-11-21 04:39:47,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:47,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3187 states to 1814 states and 2969 transitions. [2021-11-21 04:39:47,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1814 states and 2969 transitions. [2021-11-21 04:39:47,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-21 04:39:47,305 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:47,305 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:47,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:47,611 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2021-11-21 04:39:47,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:47,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3192 states to 1816 states and 2974 transitions. [2021-11-21 04:39:47,655 INFO L276 IsEmpty]: Start isEmpty. Operand 1816 states and 2974 transitions. [2021-11-21 04:39:47,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-11-21 04:39:47,660 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:47,660 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:47,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:47,962 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2021-11-21 04:39:48,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:48,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3193 states to 1818 states and 2975 transitions. [2021-11-21 04:39:48,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1818 states and 2975 transitions. [2021-11-21 04:39:48,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-21 04:39:48,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:48,037 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:48,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:48,322 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2021-11-21 04:39:48,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:48,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3194 states to 1819 states and 2976 transitions. [2021-11-21 04:39:48,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1819 states and 2976 transitions. [2021-11-21 04:39:48,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-21 04:39:48,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:48,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:48,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:48,718 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2021-11-21 04:39:48,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:48,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3195 states to 1820 states and 2977 transitions. [2021-11-21 04:39:48,780 INFO L276 IsEmpty]: Start isEmpty. Operand 1820 states and 2977 transitions. [2021-11-21 04:39:48,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-21 04:39:48,788 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:48,788 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:49,091 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2021-11-21 04:39:49,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:49,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3205 states to 1826 states and 2987 transitions. [2021-11-21 04:39:49,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1826 states and 2987 transitions. [2021-11-21 04:39:49,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2021-11-21 04:39:49,195 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:49,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:49,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:49,520 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2021-11-21 04:39:49,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:49,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3211 states to 1830 states and 2993 transitions. [2021-11-21 04:39:49,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1830 states and 2993 transitions. [2021-11-21 04:39:49,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-21 04:39:49,676 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:49,676 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:49,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:50,067 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2021-11-21 04:39:50,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:50,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3213 states to 1832 states and 2995 transitions. [2021-11-21 04:39:50,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1832 states and 2995 transitions. [2021-11-21 04:39:50,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2021-11-21 04:39:50,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:50,217 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:50,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:50,625 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2021-11-21 04:39:50,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:50,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3214 states to 1833 states and 2996 transitions. [2021-11-21 04:39:50,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1833 states and 2996 transitions. [2021-11-21 04:39:50,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-21 04:39:50,658 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:50,658 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:51,021 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2021-11-21 04:39:51,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:51,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3223 states to 1838 states and 3005 transitions. [2021-11-21 04:39:51,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 3005 transitions. [2021-11-21 04:39:51,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-21 04:39:51,130 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:51,131 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:51,532 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2021-11-21 04:39:51,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:51,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3232 states to 1842 states and 3014 transitions. [2021-11-21 04:39:51,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1842 states and 3014 transitions. [2021-11-21 04:39:51,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2021-11-21 04:39:51,721 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:51,721 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:51,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:52,092 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2021-11-21 04:39:52,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:52,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3233 states to 1843 states and 3015 transitions. [2021-11-21 04:39:52,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 3015 transitions. [2021-11-21 04:39:52,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-21 04:39:52,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:52,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:52,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:52,436 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2021-11-21 04:39:52,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:52,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3236 states to 1845 states and 3018 transitions. [2021-11-21 04:39:52,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1845 states and 3018 transitions. [2021-11-21 04:39:52,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-21 04:39:52,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:52,465 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:52,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:52,785 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2021-11-21 04:39:52,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:52,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3236 states to 1846 states and 3018 transitions. [2021-11-21 04:39:52,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1846 states and 3018 transitions. [2021-11-21 04:39:52,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2021-11-21 04:39:52,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:52,927 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:53,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:53,207 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2021-11-21 04:39:53,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:53,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3238 states to 1848 states and 3020 transitions. [2021-11-21 04:39:53,317 INFO L276 IsEmpty]: Start isEmpty. Operand 1848 states and 3020 transitions. [2021-11-21 04:39:53,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-21 04:39:53,323 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:53,323 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:53,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:53,656 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2021-11-21 04:39:53,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:53,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3244 states to 1852 states and 3026 transitions. [2021-11-21 04:39:53,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 3026 transitions. [2021-11-21 04:39:53,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2021-11-21 04:39:53,802 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:53,802 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:54,111 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2021-11-21 04:39:54,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:54,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3253 states to 1856 states and 3035 transitions. [2021-11-21 04:39:54,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1856 states and 3035 transitions. [2021-11-21 04:39:54,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-11-21 04:39:54,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:54,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:54,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:54,659 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2021-11-21 04:39:54,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:54,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3255 states to 1857 states and 3037 transitions. [2021-11-21 04:39:54,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1857 states and 3037 transitions. [2021-11-21 04:39:54,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2021-11-21 04:39:54,716 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:54,716 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:54,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:55,011 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2021-11-21 04:39:55,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:55,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3275 states to 1860 states and 3044 transitions. [2021-11-21 04:39:55,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1860 states and 3044 transitions. [2021-11-21 04:39:55,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2021-11-21 04:39:55,239 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:55,240 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:55,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:55,552 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2021-11-21 04:39:55,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:55,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3280 states to 1864 states and 3049 transitions. [2021-11-21 04:39:55,673 INFO L276 IsEmpty]: Start isEmpty. Operand 1864 states and 3049 transitions. [2021-11-21 04:39:55,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2021-11-21 04:39:55,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:55,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:55,981 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2021-11-21 04:39:56,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:56,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3282 states to 1866 states and 3051 transitions. [2021-11-21 04:39:56,194 INFO L276 IsEmpty]: Start isEmpty. Operand 1866 states and 3051 transitions. [2021-11-21 04:39:56,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-11-21 04:39:56,200 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:56,200 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:56,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:56,493 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2021-11-21 04:39:56,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:56,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3287 states to 1868 states and 3054 transitions. [2021-11-21 04:39:56,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 3054 transitions. [2021-11-21 04:39:56,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-21 04:39:56,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:56,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:56,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:56,889 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2021-11-21 04:39:56,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:56,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3288 states to 1869 states and 3055 transitions. [2021-11-21 04:39:56,951 INFO L276 IsEmpty]: Start isEmpty. Operand 1869 states and 3055 transitions. [2021-11-21 04:39:56,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-21 04:39:56,956 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:56,956 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:57,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:57,248 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2021-11-21 04:39:57,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:57,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3311 states to 1879 states and 3078 transitions. [2021-11-21 04:39:57,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 3078 transitions. [2021-11-21 04:39:57,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-21 04:39:57,558 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:57,559 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:57,859 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2021-11-21 04:39:57,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:57,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3316 states to 1881 states and 3083 transitions. [2021-11-21 04:39:57,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 3083 transitions. [2021-11-21 04:39:57,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2021-11-21 04:39:57,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:57,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:58,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:58,376 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2021-11-21 04:39:58,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:58,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3317 states to 1883 states and 3084 transitions. [2021-11-21 04:39:58,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1883 states and 3084 transitions. [2021-11-21 04:39:58,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-21 04:39:58,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:58,463 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:58,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:58,747 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2021-11-21 04:39:58,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:58,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3318 states to 1884 states and 3085 transitions. [2021-11-21 04:39:58,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1884 states and 3085 transitions. [2021-11-21 04:39:58,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-21 04:39:58,798 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:58,798 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:58,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:59,069 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2021-11-21 04:39:59,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:59,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3319 states to 1885 states and 3086 transitions. [2021-11-21 04:39:59,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1885 states and 3086 transitions. [2021-11-21 04:39:59,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-11-21 04:39:59,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:59,121 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:59,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:59,404 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2021-11-21 04:39:59,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:39:59,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3339 states to 1888 states and 3093 transitions. [2021-11-21 04:39:59,687 INFO L276 IsEmpty]: Start isEmpty. Operand 1888 states and 3093 transitions. [2021-11-21 04:39:59,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-21 04:39:59,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:39:59,692 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:39:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:39:59,978 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2021-11-21 04:40:00,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:00,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3349 states to 1894 states and 3103 transitions. [2021-11-21 04:40:00,083 INFO L276 IsEmpty]: Start isEmpty. Operand 1894 states and 3103 transitions. [2021-11-21 04:40:00,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-11-21 04:40:00,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:00,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:00,371 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2021-11-21 04:40:00,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:00,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3355 states to 1898 states and 3109 transitions. [2021-11-21 04:40:00,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1898 states and 3109 transitions. [2021-11-21 04:40:00,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-11-21 04:40:00,539 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:00,539 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:01,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:01,748 INFO L263 TraceCheckSpWp]: Trace formula consists of 6913 conjuncts, 46 conjunts are in the unsatisfiable core [2021-11-21 04:40:01,775 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:40:09,545 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 72 proven. 2 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-11-21 04:40:33,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:33,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3381 states to 1905 states and 3120 transitions. [2021-11-21 04:40:33,820 INFO L276 IsEmpty]: Start isEmpty. Operand 1905 states and 3120 transitions. [2021-11-21 04:40:33,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-11-21 04:40:33,823 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:33,823 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:33,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:34,226 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2021-11-21 04:40:34,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:34,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3383 states to 1905 states and 3119 transitions. [2021-11-21 04:40:34,394 INFO L276 IsEmpty]: Start isEmpty. Operand 1905 states and 3119 transitions. [2021-11-21 04:40:34,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2021-11-21 04:40:34,397 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:34,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:34,689 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2021-11-21 04:40:36,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:36,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3410 states to 1911 states and 3131 transitions. [2021-11-21 04:40:36,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1911 states and 3131 transitions. [2021-11-21 04:40:36,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-21 04:40:36,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:36,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:36,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:37,016 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2021-11-21 04:40:37,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:37,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3417 states to 1913 states and 3135 transitions. [2021-11-21 04:40:37,108 INFO L276 IsEmpty]: Start isEmpty. Operand 1913 states and 3135 transitions. [2021-11-21 04:40:37,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-21 04:40:37,110 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:37,110 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:37,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:37,388 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2021-11-21 04:40:40,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:40,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3431 states to 1919 states and 3147 transitions. [2021-11-21 04:40:40,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1919 states and 3147 transitions. [2021-11-21 04:40:40,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-11-21 04:40:40,771 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:40,771 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:40,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:41,042 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2021-11-21 04:40:44,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:44,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3436 states to 1922 states and 3151 transitions. [2021-11-21 04:40:44,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1922 states and 3151 transitions. [2021-11-21 04:40:44,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2021-11-21 04:40:44,383 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:44,383 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:44,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:44,725 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2021-11-21 04:40:44,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:44,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3439 states to 1922 states and 3149 transitions. [2021-11-21 04:40:44,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1922 states and 3149 transitions. [2021-11-21 04:40:44,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-21 04:40:44,893 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:44,895 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:44,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:45,252 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2021-11-21 04:40:45,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:45,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3441 states to 1924 states and 3151 transitions. [2021-11-21 04:40:45,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1924 states and 3151 transitions. [2021-11-21 04:40:45,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2021-11-21 04:40:45,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:45,410 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:45,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:45,879 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2021-11-21 04:40:45,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:45,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3443 states to 1920 states and 3144 transitions. [2021-11-21 04:40:45,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 3144 transitions. [2021-11-21 04:40:45,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2021-11-21 04:40:45,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:45,963 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:46,236 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2021-11-21 04:40:46,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:46,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3448 states to 1922 states and 3147 transitions. [2021-11-21 04:40:46,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1922 states and 3147 transitions. [2021-11-21 04:40:46,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-11-21 04:40:46,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:46,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:46,606 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2021-11-21 04:40:46,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:46,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3450 states to 1922 states and 3146 transitions. [2021-11-21 04:40:46,721 INFO L276 IsEmpty]: Start isEmpty. Operand 1922 states and 3146 transitions. [2021-11-21 04:40:46,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2021-11-21 04:40:46,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:46,724 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:46,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:46,998 INFO L134 CoverageAnalysis]: Checked inductivity of 571 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2021-11-21 04:40:47,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:47,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3458 states to 1890 states and 3094 transitions. [2021-11-21 04:40:47,202 INFO L276 IsEmpty]: Start isEmpty. Operand 1890 states and 3094 transitions. [2021-11-21 04:40:47,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-11-21 04:40:47,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:47,205 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:47,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:47,489 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2021-11-21 04:40:47,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:47,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3478 states to 1893 states and 3101 transitions. [2021-11-21 04:40:47,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1893 states and 3101 transitions. [2021-11-21 04:40:47,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-21 04:40:47,820 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:47,820 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:47,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:48,152 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2021-11-21 04:40:48,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:48,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3480 states to 1895 states and 3103 transitions. [2021-11-21 04:40:48,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1895 states and 3103 transitions. [2021-11-21 04:40:48,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-21 04:40:48,283 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:48,283 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:48,559 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2021-11-21 04:40:48,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:48,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3482 states to 1891 states and 3094 transitions. [2021-11-21 04:40:48,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1891 states and 3094 transitions. [2021-11-21 04:40:48,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2021-11-21 04:40:48,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:48,666 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:48,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:48,941 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2021-11-21 04:40:49,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:49,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3487 states to 1893 states and 3097 transitions. [2021-11-21 04:40:49,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1893 states and 3097 transitions. [2021-11-21 04:40:49,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2021-11-21 04:40:49,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:49,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:49,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:49,351 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 439 trivial. 0 not checked. [2021-11-21 04:40:49,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:49,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3489 states to 1893 states and 3096 transitions. [2021-11-21 04:40:49,470 INFO L276 IsEmpty]: Start isEmpty. Operand 1893 states and 3096 transitions. [2021-11-21 04:40:49,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-11-21 04:40:49,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:49,473 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:49,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:49,830 INFO L134 CoverageAnalysis]: Checked inductivity of 573 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 571 trivial. 0 not checked. [2021-11-21 04:40:50,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:50,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3498 states to 1863 states and 3043 transitions. [2021-11-21 04:40:50,128 INFO L276 IsEmpty]: Start isEmpty. Operand 1863 states and 3043 transitions. [2021-11-21 04:40:50,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-21 04:40:50,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:50,133 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:50,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:50,411 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2021-11-21 04:40:50,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:50,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3500 states to 1865 states and 3045 transitions. [2021-11-21 04:40:50,515 INFO L276 IsEmpty]: Start isEmpty. Operand 1865 states and 3045 transitions. [2021-11-21 04:40:50,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-11-21 04:40:50,518 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:50,518 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:50,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:50,817 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2021-11-21 04:40:50,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:50,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3502 states to 1861 states and 3038 transitions. [2021-11-21 04:40:50,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1861 states and 3038 transitions. [2021-11-21 04:40:50,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-21 04:40:50,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:50,930 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:51,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:51,227 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 575 trivial. 0 not checked. [2021-11-21 04:40:51,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:51,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3510 states to 1812 states and 2956 transitions. [2021-11-21 04:40:51,474 INFO L276 IsEmpty]: Start isEmpty. Operand 1812 states and 2956 transitions. [2021-11-21 04:40:51,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-21 04:40:51,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:51,478 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:51,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:51,804 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2021-11-21 04:40:51,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:51,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3512 states to 1814 states and 2958 transitions. [2021-11-21 04:40:51,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1814 states and 2958 transitions. [2021-11-21 04:40:51,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2021-11-21 04:40:51,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:51,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:51,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:52,192 INFO L134 CoverageAnalysis]: Checked inductivity of 453 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2021-11-21 04:40:52,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:52,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3514 states to 1810 states and 2951 transitions. [2021-11-21 04:40:52,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1810 states and 2951 transitions. [2021-11-21 04:40:52,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-11-21 04:40:52,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:52,291 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:52,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:52,611 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2021-11-21 04:40:52,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:40:52,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3522 states to 1778 states and 2899 transitions. [2021-11-21 04:40:52,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1778 states and 2899 transitions. [2021-11-21 04:40:52,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-11-21 04:40:52,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:40:52,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:40:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:40:53,323 INFO L134 CoverageAnalysis]: Checked inductivity of 763 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2021-11-21 04:41:03,452 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 04:41:03,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:41:03,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3524 states to 1780 states and 2901 transitions. [2021-11-21 04:41:03,694 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 2901 transitions. [2021-11-21 04:41:03,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-11-21 04:41:03,701 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:41:03,701 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:41:03,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:41:04,104 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2021-11-21 04:41:04,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:41:04,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3526 states to 1782 states and 2903 transitions. [2021-11-21 04:41:04,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1782 states and 2903 transitions. [2021-11-21 04:41:04,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2021-11-21 04:41:04,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:41:04,343 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:41:04,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:41:04,691 INFO L134 CoverageAnalysis]: Checked inductivity of 771 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 767 trivial. 0 not checked. [2021-11-21 04:41:04,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:41:04,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3528 states to 1784 states and 2905 transitions. [2021-11-21 04:41:04,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2905 transitions. [2021-11-21 04:41:04,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2021-11-21 04:41:04,844 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:41:04,844 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:41:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:41:09,278 INFO L134 CoverageAnalysis]: Checked inductivity of 764 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 754 trivial. 0 not checked. [2021-11-21 04:41:12,056 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 04:41:16,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:41:16,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3533 states to 1787 states and 2910 transitions. [2021-11-21 04:41:16,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1787 states and 2910 transitions. [2021-11-21 04:41:16,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-11-21 04:41:16,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:41:16,705 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:41:16,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:41:21,243 INFO L134 CoverageAnalysis]: Checked inductivity of 766 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2021-11-21 04:41:25,039 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-21 04:41:47,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:41:47,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3689 states to 1852 states and 3051 transitions. [2021-11-21 04:41:47,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 3051 transitions. [2021-11-21 04:41:48,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-11-21 04:41:48,005 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:41:48,005 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:41:48,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:41:50,212 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 766 trivial. 0 not checked. [2021-11-21 04:41:57,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:41:57,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3694 states to 1856 states and 3056 transitions. [2021-11-21 04:41:57,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1856 states and 3056 transitions. [2021-11-21 04:41:57,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2021-11-21 04:41:57,982 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:41:57,982 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:41:58,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:42:00,377 INFO L134 CoverageAnalysis]: Checked inductivity of 788 backedges. 10 proven. 8 refuted. 0 times theorem prover too weak. 770 trivial. 0 not checked. [2021-11-21 04:42:05,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:42:05,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3699 states to 1860 states and 3061 transitions. [2021-11-21 04:42:05,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1860 states and 3061 transitions. [2021-11-21 04:42:05,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2021-11-21 04:42:05,325 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:42:05,325 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:42:05,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:42:07,625 INFO L134 CoverageAnalysis]: Checked inductivity of 806 backedges. 10 proven. 18 refuted. 0 times theorem prover too weak. 778 trivial. 0 not checked. [2021-11-21 04:42:12,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:42:12,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3704 states to 1864 states and 3066 transitions. [2021-11-21 04:42:12,642 INFO L276 IsEmpty]: Start isEmpty. Operand 1864 states and 3066 transitions. [2021-11-21 04:42:12,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2021-11-21 04:42:12,650 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:42:12,650 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:42:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:42:14,992 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 10 proven. 32 refuted. 0 times theorem prover too weak. 790 trivial. 0 not checked. [2021-11-21 04:42:20,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:42:20,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3709 states to 1868 states and 3071 transitions. [2021-11-21 04:42:20,074 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 3071 transitions. [2021-11-21 04:42:20,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-11-21 04:42:20,082 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:42:20,083 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:42:20,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:42:22,708 INFO L134 CoverageAnalysis]: Checked inductivity of 866 backedges. 10 proven. 50 refuted. 0 times theorem prover too weak. 806 trivial. 0 not checked. [2021-11-21 04:42:27,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:42:27,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3714 states to 1872 states and 3076 transitions. [2021-11-21 04:42:27,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 3076 transitions. [2021-11-21 04:42:27,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2021-11-21 04:42:27,979 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:42:27,979 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:42:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:42:30,646 INFO L134 CoverageAnalysis]: Checked inductivity of 908 backedges. 10 proven. 72 refuted. 0 times theorem prover too weak. 826 trivial. 0 not checked. [2021-11-21 04:42:35,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:42:35,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3719 states to 1876 states and 3081 transitions. [2021-11-21 04:42:35,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 3081 transitions. [2021-11-21 04:42:35,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2021-11-21 04:42:35,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:42:35,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:42:36,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:42:36,279 INFO L134 CoverageAnalysis]: Checked inductivity of 776 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 776 trivial. 0 not checked. [2021-11-21 04:42:42,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:42:42,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3722 states to 1878 states and 3084 transitions. [2021-11-21 04:42:42,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1878 states and 3084 transitions. [2021-11-21 04:42:42,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2021-11-21 04:42:42,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:42:42,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:42:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:42:42,744 INFO L134 CoverageAnalysis]: Checked inductivity of 779 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 773 trivial. 0 not checked. [2021-11-21 04:42:42,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:42:42,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3724 states to 1880 states and 3086 transitions. [2021-11-21 04:42:42,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1880 states and 3086 transitions. [2021-11-21 04:42:42,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-11-21 04:42:42,879 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:42:42,879 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:42:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:42:44,042 INFO L263 TraceCheckSpWp]: Trace formula consists of 7514 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-21 04:42:44,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:42:54,552 INFO L134 CoverageAnalysis]: Checked inductivity of 953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 953 trivial. 0 not checked. [2021-11-21 04:43:28,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:28,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3771 states to 1900 states and 3128 transitions. [2021-11-21 04:43:28,149 INFO L276 IsEmpty]: Start isEmpty. Operand 1900 states and 3128 transitions. [2021-11-21 04:43:28,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-11-21 04:43:28,157 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:28,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:28,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:28,517 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-11-21 04:43:28,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:28,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3772 states to 1896 states and 3121 transitions. [2021-11-21 04:43:28,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 3121 transitions. [2021-11-21 04:43:28,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2021-11-21 04:43:28,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:28,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:28,902 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2021-11-21 04:43:28,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:28,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3773 states to 1883 states and 3099 transitions. [2021-11-21 04:43:28,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1883 states and 3099 transitions. [2021-11-21 04:43:28,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-11-21 04:43:28,989 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:28,990 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:29,324 INFO L134 CoverageAnalysis]: Checked inductivity of 955 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 951 trivial. 0 not checked. [2021-11-21 04:43:29,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:29,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3782 states to 1888 states and 3108 transitions. [2021-11-21 04:43:29,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1888 states and 3108 transitions. [2021-11-21 04:43:29,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-11-21 04:43:29,434 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:29,434 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:29,815 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 947 trivial. 0 not checked. [2021-11-21 04:43:29,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:29,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3791 states to 1892 states and 3117 transitions. [2021-11-21 04:43:29,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1892 states and 3117 transitions. [2021-11-21 04:43:30,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2021-11-21 04:43:30,006 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:30,006 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:30,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:30,399 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 947 trivial. 0 not checked. [2021-11-21 04:43:30,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:30,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3792 states to 1893 states and 3118 transitions. [2021-11-21 04:43:30,442 INFO L276 IsEmpty]: Start isEmpty. Operand 1893 states and 3118 transitions. [2021-11-21 04:43:30,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2021-11-21 04:43:30,453 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:30,454 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:30,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:30,846 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 775 trivial. 0 not checked. [2021-11-21 04:43:31,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:31,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3794 states to 1895 states and 3120 transitions. [2021-11-21 04:43:31,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1895 states and 3120 transitions. [2021-11-21 04:43:31,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-11-21 04:43:31,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:31,066 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:31,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:31,474 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 947 trivial. 0 not checked. [2021-11-21 04:43:31,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:31,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3800 states to 1899 states and 3126 transitions. [2021-11-21 04:43:31,659 INFO L276 IsEmpty]: Start isEmpty. Operand 1899 states and 3126 transitions. [2021-11-21 04:43:31,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-11-21 04:43:31,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:31,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:31,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:32,022 INFO L134 CoverageAnalysis]: Checked inductivity of 955 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 951 trivial. 0 not checked. [2021-11-21 04:43:32,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:32,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3809 states to 1903 states and 3135 transitions. [2021-11-21 04:43:32,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1903 states and 3135 transitions. [2021-11-21 04:43:32,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-11-21 04:43:32,208 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:32,208 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:32,592 INFO L134 CoverageAnalysis]: Checked inductivity of 955 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 951 trivial. 0 not checked. [2021-11-21 04:43:32,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:32,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3811 states to 1904 states and 3137 transitions. [2021-11-21 04:43:32,702 INFO L276 IsEmpty]: Start isEmpty. Operand 1904 states and 3137 transitions. [2021-11-21 04:43:32,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-11-21 04:43:32,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:32,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:32,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:33,086 INFO L134 CoverageAnalysis]: Checked inductivity of 953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 953 trivial. 0 not checked. [2021-11-21 04:43:33,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:33,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3811 states to 1907 states and 3137 transitions. [2021-11-21 04:43:33,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1907 states and 3137 transitions. [2021-11-21 04:43:33,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-11-21 04:43:33,261 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:33,261 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:33,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:33,559 INFO L134 CoverageAnalysis]: Checked inductivity of 953 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 953 trivial. 0 not checked. [2021-11-21 04:43:33,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:33,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3811 states to 1910 states and 3137 transitions. [2021-11-21 04:43:33,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1910 states and 3137 transitions. [2021-11-21 04:43:33,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-11-21 04:43:33,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:33,698 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:33,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:34,084 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 949 trivial. 0 not checked. [2021-11-21 04:43:34,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:34,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3811 states to 1912 states and 3137 transitions. [2021-11-21 04:43:34,191 INFO L276 IsEmpty]: Start isEmpty. Operand 1912 states and 3137 transitions. [2021-11-21 04:43:34,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-11-21 04:43:34,202 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:34,202 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:34,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:34,638 INFO L134 CoverageAnalysis]: Checked inductivity of 947 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 947 trivial. 0 not checked. [2021-11-21 04:43:34,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:34,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3814 states to 1915 states and 3140 transitions. [2021-11-21 04:43:34,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1915 states and 3140 transitions. [2021-11-21 04:43:34,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2021-11-21 04:43:34,903 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:34,903 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:35,208 INFO L134 CoverageAnalysis]: Checked inductivity of 778 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 776 trivial. 0 not checked. [2021-11-21 04:43:41,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:41,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3817 states to 1917 states and 3143 transitions. [2021-11-21 04:43:41,339 INFO L276 IsEmpty]: Start isEmpty. Operand 1917 states and 3143 transitions. [2021-11-21 04:43:41,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-11-21 04:43:41,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:41,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:41,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:41,656 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 763 trivial. 0 not checked. [2021-11-21 04:43:41,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:41,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3819 states to 1919 states and 3145 transitions. [2021-11-21 04:43:41,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1919 states and 3145 transitions. [2021-11-21 04:43:41,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-21 04:43:41,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:41,859 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:41,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:42,165 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 947 trivial. 0 not checked. [2021-11-21 04:43:42,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:42,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3820 states to 1920 states and 3146 transitions. [2021-11-21 04:43:42,294 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 3146 transitions. [2021-11-21 04:43:42,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-11-21 04:43:42,306 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:42,307 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:42,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:42,690 INFO L134 CoverageAnalysis]: Checked inductivity of 965 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 959 trivial. 0 not checked. [2021-11-21 04:43:43,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:43,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3843 states to 1930 states and 3169 transitions. [2021-11-21 04:43:43,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1930 states and 3169 transitions. [2021-11-21 04:43:43,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-21 04:43:43,050 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:43,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:43,353 INFO L134 CoverageAnalysis]: Checked inductivity of 955 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 951 trivial. 0 not checked. [2021-11-21 04:43:43,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:43,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3848 states to 1932 states and 3174 transitions. [2021-11-21 04:43:43,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1932 states and 3174 transitions. [2021-11-21 04:43:43,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2021-11-21 04:43:43,442 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:43,442 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:43,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:43,834 INFO L134 CoverageAnalysis]: Checked inductivity of 955 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 951 trivial. 0 not checked. [2021-11-21 04:43:43,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:43,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3849 states to 1934 states and 3175 transitions. [2021-11-21 04:43:43,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1934 states and 3175 transitions. [2021-11-21 04:43:43,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-21 04:43:43,953 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:43,953 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:44,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:44,355 INFO L134 CoverageAnalysis]: Checked inductivity of 955 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 951 trivial. 0 not checked. [2021-11-21 04:43:44,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:44,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3850 states to 1935 states and 3176 transitions. [2021-11-21 04:43:44,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1935 states and 3176 transitions. [2021-11-21 04:43:44,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-21 04:43:44,444 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:44,445 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:44,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:44,757 INFO L134 CoverageAnalysis]: Checked inductivity of 955 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 951 trivial. 0 not checked. [2021-11-21 04:43:44,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:44,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3851 states to 1936 states and 3177 transitions. [2021-11-21 04:43:44,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1936 states and 3177 transitions. [2021-11-21 04:43:44,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-21 04:43:44,835 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:44,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:45,138 INFO L134 CoverageAnalysis]: Checked inductivity of 965 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 959 trivial. 0 not checked. [2021-11-21 04:43:45,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:45,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3861 states to 1942 states and 3187 transitions. [2021-11-21 04:43:45,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1942 states and 3187 transitions. [2021-11-21 04:43:45,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2021-11-21 04:43:45,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:45,254 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:45,563 INFO L134 CoverageAnalysis]: Checked inductivity of 955 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 951 trivial. 0 not checked. [2021-11-21 04:43:45,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:43:45,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3867 states to 1946 states and 3193 transitions. [2021-11-21 04:43:45,810 INFO L276 IsEmpty]: Start isEmpty. Operand 1946 states and 3193 transitions. [2021-11-21 04:43:45,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-11-21 04:43:45,858 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:43:45,858 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:43:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:43:46,951 INFO L263 TraceCheckSpWp]: Trace formula consists of 7523 conjuncts, 12 conjunts are in the unsatisfiable core [2021-11-21 04:43:46,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-21 04:44:04,246 INFO L134 CoverageAnalysis]: Checked inductivity of 955 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 953 trivial. 0 not checked. [2021-11-21 04:45:02,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:02,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4006 states to 1970 states and 3256 transitions. [2021-11-21 04:45:02,130 INFO L276 IsEmpty]: Start isEmpty. Operand 1970 states and 3256 transitions. [2021-11-21 04:45:02,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-11-21 04:45:02,138 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:02,138 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:02,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:02,454 INFO L134 CoverageAnalysis]: Checked inductivity of 965 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 959 trivial. 0 not checked. [2021-11-21 04:45:02,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:02,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4015 states to 1975 states and 3265 transitions. [2021-11-21 04:45:02,560 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 3265 transitions. [2021-11-21 04:45:02,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-11-21 04:45:02,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:02,567 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:02,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:02,869 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 949 trivial. 0 not checked. [2021-11-21 04:45:03,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:03,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4018 states to 1980 states and 3268 transitions. [2021-11-21 04:45:03,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1980 states and 3268 transitions. [2021-11-21 04:45:03,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-11-21 04:45:03,080 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:03,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:03,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:03,615 INFO L134 CoverageAnalysis]: Checked inductivity of 955 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 951 trivial. 0 not checked. [2021-11-21 04:45:03,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:03,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4027 states to 1984 states and 3277 transitions. [2021-11-21 04:45:03,799 INFO L276 IsEmpty]: Start isEmpty. Operand 1984 states and 3277 transitions. [2021-11-21 04:45:03,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2021-11-21 04:45:03,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:03,807 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:03,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:04,094 INFO L134 CoverageAnalysis]: Checked inductivity of 955 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 951 trivial. 0 not checked. [2021-11-21 04:45:04,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:04,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4028 states to 1985 states and 3278 transitions. [2021-11-21 04:45:04,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1985 states and 3278 transitions. [2021-11-21 04:45:04,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-11-21 04:45:04,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:04,153 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:04,442 INFO L134 CoverageAnalysis]: Checked inductivity of 955 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 951 trivial. 0 not checked. [2021-11-21 04:45:04,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:04,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4034 states to 1989 states and 3284 transitions. [2021-11-21 04:45:04,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1989 states and 3284 transitions. [2021-11-21 04:45:04,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2021-11-21 04:45:04,581 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:04,581 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:04,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:04,869 INFO L134 CoverageAnalysis]: Checked inductivity of 965 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 959 trivial. 0 not checked. [2021-11-21 04:45:05,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:05,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4043 states to 1993 states and 3293 transitions. [2021-11-21 04:45:05,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1993 states and 3293 transitions. [2021-11-21 04:45:05,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-11-21 04:45:05,047 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:05,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:05,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:05,357 INFO L134 CoverageAnalysis]: Checked inductivity of 965 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 959 trivial. 0 not checked. [2021-11-21 04:45:05,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:05,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4045 states to 1994 states and 3295 transitions. [2021-11-21 04:45:05,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 3295 transitions. [2021-11-21 04:45:05,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-11-21 04:45:05,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:05,443 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:05,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:05,732 INFO L134 CoverageAnalysis]: Checked inductivity of 955 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 953 trivial. 0 not checked. [2021-11-21 04:45:05,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:05,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4045 states to 1997 states and 3295 transitions. [2021-11-21 04:45:05,908 INFO L276 IsEmpty]: Start isEmpty. Operand 1997 states and 3295 transitions. [2021-11-21 04:45:05,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-11-21 04:45:05,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:05,916 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:06,218 INFO L134 CoverageAnalysis]: Checked inductivity of 955 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 953 trivial. 0 not checked. [2021-11-21 04:45:06,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:06,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4045 states to 2000 states and 3295 transitions. [2021-11-21 04:45:06,396 INFO L276 IsEmpty]: Start isEmpty. Operand 2000 states and 3295 transitions. [2021-11-21 04:45:06,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2021-11-21 04:45:06,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:06,404 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:06,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:06,729 INFO L134 CoverageAnalysis]: Checked inductivity of 951 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 949 trivial. 0 not checked. [2021-11-21 04:45:06,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:06,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4045 states to 2002 states and 3295 transitions. [2021-11-21 04:45:06,831 INFO L276 IsEmpty]: Start isEmpty. Operand 2002 states and 3295 transitions. [2021-11-21 04:45:06,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2021-11-21 04:45:06,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:06,839 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:06,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:07,193 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 947 trivial. 0 not checked. [2021-11-21 04:45:07,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 04:45:07,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4048 states to 2005 states and 3298 transitions. [2021-11-21 04:45:07,425 INFO L276 IsEmpty]: Start isEmpty. Operand 2005 states and 3298 transitions. [2021-11-21 04:45:07,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2021-11-21 04:45:07,433 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 04:45:07,433 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 04:45:07,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 04:45:07,718 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked.