./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-multidimensional/min-2-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186f6208-93d9-404f-ad3c-b857b95e9f2b/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186f6208-93d9-404f-ad3c-b857b95e9f2b/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186f6208-93d9-404f-ad3c-b857b95e9f2b/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186f6208-93d9-404f-ad3c-b857b95e9f2b/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/min-2-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186f6208-93d9-404f-ad3c-b857b95e9f2b/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186f6208-93d9-404f-ad3c-b857b95e9f2b/bin/ukojak-92XMlrwhuB --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 32bit --witnessprinter.graph.data.programhash 68785685c781649dca8a870a36ccbd5837fb99f65c0418361b1a73f7848e1bda --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:36:46,786 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:36:46,789 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:36:46,821 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:36:46,822 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:36:46,823 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:36:46,825 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:36:46,828 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:36:46,830 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:36:46,831 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:36:46,832 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:36:46,834 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:36:46,834 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:36:46,836 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:36:46,837 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:36:46,839 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:36:46,840 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:36:46,841 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:36:46,843 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:36:46,848 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:36:46,850 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:36:46,855 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:36:46,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:36:46,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:36:46,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:36:46,863 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:36:46,863 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:36:46,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:36:46,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:36:46,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:36:46,874 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:36:46,876 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:36:46,878 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:36:46,880 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:36:46,882 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:36:46,882 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:36:46,883 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:36:46,884 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:36:46,884 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:36:46,885 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:36:46,886 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:36:46,887 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186f6208-93d9-404f-ad3c-b857b95e9f2b/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:36:46,937 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:36:46,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:36:46,939 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:36:46,939 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:36:46,940 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:36:46,940 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:36:46,940 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:36:46,941 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:36:46,941 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:36:46,941 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:36:46,942 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:36:46,942 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:36:46,942 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:36:46,942 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:36:46,943 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:36:46,943 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:36:46,943 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:36:46,943 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:36:46,943 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:36:46,944 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:36:46,944 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:36:46,944 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:36:46,944 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:36:46,945 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:36:46,945 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:36:46,945 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:36:46,946 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:36:46,947 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:36:46,947 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_186f6208-93d9-404f-ad3c-b857b95e9f2b/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186f6208-93d9-404f-ad3c-b857b95e9f2b/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 68785685c781649dca8a870a36ccbd5837fb99f65c0418361b1a73f7848e1bda [2022-10-17 16:36:47,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:36:47,249 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:36:47,252 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:36:47,253 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:36:47,271 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:36:47,277 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186f6208-93d9-404f-ad3c-b857b95e9f2b/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-multidimensional/min-2-u.c [2022-10-17 16:36:47,376 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186f6208-93d9-404f-ad3c-b857b95e9f2b/bin/ukojak-92XMlrwhuB/data/2c4c601bd/f60da3b1f1e74f8f80ef21a850fb9f26/FLAG79dff3531 [2022-10-17 16:36:47,919 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:36:47,920 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186f6208-93d9-404f-ad3c-b857b95e9f2b/sv-benchmarks/c/array-multidimensional/min-2-u.c [2022-10-17 16:36:47,926 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186f6208-93d9-404f-ad3c-b857b95e9f2b/bin/ukojak-92XMlrwhuB/data/2c4c601bd/f60da3b1f1e74f8f80ef21a850fb9f26/FLAG79dff3531 [2022-10-17 16:36:48,308 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186f6208-93d9-404f-ad3c-b857b95e9f2b/bin/ukojak-92XMlrwhuB/data/2c4c601bd/f60da3b1f1e74f8f80ef21a850fb9f26 [2022-10-17 16:36:48,313 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:36:48,316 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:36:48,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:36:48,320 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:36:48,323 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:36:48,325 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:36:48" (1/1) ... [2022-10-17 16:36:48,326 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69f482be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:48, skipping insertion in model container [2022-10-17 16:36:48,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:36:48" (1/1) ... [2022-10-17 16:36:48,334 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:36:48,355 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:36:48,557 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_186f6208-93d9-404f-ad3c-b857b95e9f2b/sv-benchmarks/c/array-multidimensional/min-2-u.c[319,332] [2022-10-17 16:36:48,578 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:36:48,586 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:36:48,598 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_186f6208-93d9-404f-ad3c-b857b95e9f2b/sv-benchmarks/c/array-multidimensional/min-2-u.c[319,332] [2022-10-17 16:36:48,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:36:48,621 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:36:48,622 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:48 WrapperNode [2022-10-17 16:36:48,622 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:36:48,623 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:36:48,623 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:36:48,623 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:36:48,636 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:48" (1/1) ... [2022-10-17 16:36:48,643 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:48" (1/1) ... [2022-10-17 16:36:48,674 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 83 [2022-10-17 16:36:48,675 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:36:48,676 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:36:48,676 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:36:48,676 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:36:48,686 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:48" (1/1) ... [2022-10-17 16:36:48,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:48" (1/1) ... [2022-10-17 16:36:48,697 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:48" (1/1) ... [2022-10-17 16:36:48,697 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:48" (1/1) ... [2022-10-17 16:36:48,702 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:48" (1/1) ... [2022-10-17 16:36:48,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:48" (1/1) ... [2022-10-17 16:36:48,723 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:48" (1/1) ... [2022-10-17 16:36:48,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:48" (1/1) ... [2022-10-17 16:36:48,727 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:36:48,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:36:48,728 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:36:48,728 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:36:48,730 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:48" (1/1) ... [2022-10-17 16:36:48,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:36:48,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186f6208-93d9-404f-ad3c-b857b95e9f2b/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:36:48,763 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186f6208-93d9-404f-ad3c-b857b95e9f2b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:36:48,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_186f6208-93d9-404f-ad3c-b857b95e9f2b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:36:48,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:36:48,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:36:48,816 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:36:48,816 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:36:48,816 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:36:48,817 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:36:48,817 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:36:48,817 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:36:48,888 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:36:48,891 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:36:49,083 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:36:49,161 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:36:49,161 INFO L300 CfgBuilder]: Removed 6 assume(true) statements. [2022-10-17 16:36:49,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:49 BoogieIcfgContainer [2022-10-17 16:36:49,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:36:49,165 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:36:49,165 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:36:49,184 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:36:49,184 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:49" (1/1) ... [2022-10-17 16:36:49,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:36:49,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:49,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 12 states and 18 transitions. [2022-10-17 16:36:49,251 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 18 transitions. [2022-10-17 16:36:49,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:36:49,253 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:49,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:49,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:49,418 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:36:49,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:49,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:49,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:49,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2022-10-17 16:36:49,606 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2022-10-17 16:36:49,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:36:49,623 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:49,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:49,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:49,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:36:49,718 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:49,764 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:49,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:49,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 15 states and 24 transitions. [2022-10-17 16:36:49,912 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 24 transitions. [2022-10-17 16:36:49,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:36:49,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:49,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:49,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:49,987 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:36:49,990 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:50,050 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:50,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:50,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 16 states and 25 transitions. [2022-10-17 16:36:50,144 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. [2022-10-17 16:36:50,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:36:50,145 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:50,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:50,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:50,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:36:50,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:50,275 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:50,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:50,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2022-10-17 16:36:50,372 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2022-10-17 16:36:50,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:36:50,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:50,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:50,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:50,417 INFO L263 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 16:36:50,422 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:50,487 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:50,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:50,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2022-10-17 16:36:50,621 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2022-10-17 16:36:50,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:36:50,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:50,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:50,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:36:50,720 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:50,800 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:50,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:50,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2022-10-17 16:36:50,891 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2022-10-17 16:36:50,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:36:50,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:50,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:50,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 16:36:50,939 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:51,015 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 1 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:51,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:51,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 20 states and 29 transitions. [2022-10-17 16:36:51,113 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 29 transitions. [2022-10-17 16:36:51,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:36:51,116 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:51,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:51,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:51,160 INFO L263 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:36:51,163 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:51,240 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 1 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:51,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:51,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2022-10-17 16:36:51,354 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2022-10-17 16:36:51,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:36:51,355 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:51,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:51,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:51,427 INFO L263 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-17 16:36:51,430 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:51,509 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 1 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:51,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:51,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2022-10-17 16:36:51,621 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2022-10-17 16:36:51,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:36:51,622 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:51,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:51,678 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:36:51,680 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:51,769 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 1 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:51,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:51,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 23 states and 32 transitions. [2022-10-17 16:36:51,877 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2022-10-17 16:36:51,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:36:51,878 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:51,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:51,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:51,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 16:36:51,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:52,028 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 1 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:52,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:52,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 24 states and 33 transitions. [2022-10-17 16:36:52,148 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 33 transitions. [2022-10-17 16:36:52,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:36:52,149 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:52,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:52,199 INFO L263 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:36:52,201 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:52,280 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 1 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:52,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:52,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 25 states and 34 transitions. [2022-10-17 16:36:52,403 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 34 transitions. [2022-10-17 16:36:52,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:36:52,404 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:52,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:52,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:52,450 INFO L263 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-17 16:36:52,453 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:52,550 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 1 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:52,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:52,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 26 states and 35 transitions. [2022-10-17 16:36:52,664 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 35 transitions. [2022-10-17 16:36:52,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:36:52,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:52,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:52,726 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:36:52,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:52,825 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 1 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:52,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:52,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2022-10-17 16:36:52,940 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2022-10-17 16:36:52,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:36:52,941 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:52,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:52,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:52,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 16:36:52,992 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:53,085 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 1 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:53,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:53,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2022-10-17 16:36:53,203 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2022-10-17 16:36:53,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:36:53,204 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:53,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:53,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:53,255 INFO L263 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:36:53,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:53,353 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 1 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:53,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:53,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 38 transitions. [2022-10-17 16:36:53,486 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2022-10-17 16:36:53,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:36:53,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:53,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:53,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:53,547 INFO L263 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-17 16:36:53,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:53,665 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 1 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:53,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:53,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2022-10-17 16:36:53,788 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2022-10-17 16:36:53,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:36:53,790 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:53,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:53,847 INFO L263 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:36:53,848 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:53,962 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 1 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:54,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:54,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 31 states and 40 transitions. [2022-10-17 16:36:54,113 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 40 transitions. [2022-10-17 16:36:54,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:36:54,113 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:54,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:54,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:54,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-17 16:36:54,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:54,282 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 1 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:54,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:54,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 32 states and 41 transitions. [2022-10-17 16:36:54,444 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 41 transitions. [2022-10-17 16:36:54,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:36:54,446 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:54,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:54,510 INFO L263 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-17 16:36:54,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:54,641 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 1 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:54,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:54,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 33 states and 42 transitions. [2022-10-17 16:36:54,782 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 42 transitions. [2022-10-17 16:36:54,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:36:54,783 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:54,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:54,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:54,855 INFO L263 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 22 conjunts are in the unsatisfiable core [2022-10-17 16:36:54,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:54,974 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 1 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:55,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:55,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2022-10-17 16:36:55,108 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2022-10-17 16:36:55,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:36:55,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:55,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:55,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:55,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:36:55,173 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:55,304 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 1 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:55,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:55,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2022-10-17 16:36:55,473 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2022-10-17 16:36:55,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:36:55,473 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:55,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:55,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:55,539 INFO L263 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 16:36:55,541 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:55,670 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 1 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:55,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:55,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2022-10-17 16:36:55,812 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2022-10-17 16:36:55,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:36:55,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:55,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:55,889 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-17 16:36:55,891 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:56,035 INFO L134 CoverageAnalysis]: Checked inductivity of 254 backedges. 1 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:56,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:56,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 37 states and 46 transitions. [2022-10-17 16:36:56,180 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 46 transitions. [2022-10-17 16:36:56,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:36:56,181 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:56,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:56,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:56,260 INFO L263 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 26 conjunts are in the unsatisfiable core [2022-10-17 16:36:56,262 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:56,399 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 1 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:56,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:56,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 38 states and 47 transitions. [2022-10-17 16:36:56,556 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2022-10-17 16:36:56,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:36:56,556 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:56,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:56,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:56,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 16:36:56,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:56,807 INFO L134 CoverageAnalysis]: Checked inductivity of 301 backedges. 1 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:56,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:56,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 39 states and 48 transitions. [2022-10-17 16:36:56,960 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2022-10-17 16:36:56,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:36:56,960 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:56,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:57,036 INFO L263 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-17 16:36:57,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:57,190 INFO L134 CoverageAnalysis]: Checked inductivity of 326 backedges. 1 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:57,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:57,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 40 states and 49 transitions. [2022-10-17 16:36:57,354 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 49 transitions. [2022-10-17 16:36:57,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:36:57,354 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:57,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:57,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:57,445 INFO L263 TraceCheckSpWp]: Trace formula consists of 310 conjuncts, 29 conjunts are in the unsatisfiable core [2022-10-17 16:36:57,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:57,621 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 1 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:57,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:57,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 41 states and 50 transitions. [2022-10-17 16:36:57,796 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 50 transitions. [2022-10-17 16:36:57,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:36:57,796 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:57,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:57,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:57,869 INFO L263 TraceCheckSpWp]: Trace formula consists of 319 conjuncts, 30 conjunts are in the unsatisfiable core [2022-10-17 16:36:57,871 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:58,058 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 1 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:58,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:58,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 42 states and 51 transitions. [2022-10-17 16:36:58,219 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2022-10-17 16:36:58,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:36:58,219 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:58,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:58,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 328 conjuncts, 31 conjunts are in the unsatisfiable core [2022-10-17 16:36:58,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:58,446 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 1 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:58,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:58,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 43 states and 52 transitions. [2022-10-17 16:36:58,615 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 52 transitions. [2022-10-17 16:36:58,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:36:58,615 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:58,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:58,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:58,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 32 conjunts are in the unsatisfiable core [2022-10-17 16:36:58,696 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:58,905 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 1 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:59,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:59,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 44 states and 53 transitions. [2022-10-17 16:36:59,106 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 53 transitions. [2022-10-17 16:36:59,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:36:59,106 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:59,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:59,196 INFO L263 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 33 conjunts are in the unsatisfiable core [2022-10-17 16:36:59,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:59,372 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 1 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:59,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:59,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 45 states and 54 transitions. [2022-10-17 16:36:59,572 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 54 transitions. [2022-10-17 16:36:59,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:36:59,572 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:59,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:59,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:59,682 INFO L263 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 34 conjunts are in the unsatisfiable core [2022-10-17 16:36:59,684 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:59,872 INFO L134 CoverageAnalysis]: Checked inductivity of 497 backedges. 1 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:00,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:00,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 46 states and 55 transitions. [2022-10-17 16:37:00,106 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 55 transitions. [2022-10-17 16:37:00,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:37:00,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:00,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:00,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:00,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 35 conjunts are in the unsatisfiable core [2022-10-17 16:37:00,197 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:00,377 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 1 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:00,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:00,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 47 states and 56 transitions. [2022-10-17 16:37:00,581 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 56 transitions. [2022-10-17 16:37:00,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:37:00,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:00,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:00,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:00,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 36 conjunts are in the unsatisfiable core [2022-10-17 16:37:00,679 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:00,884 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 1 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:01,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:01,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 48 states and 57 transitions. [2022-10-17 16:37:01,112 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 57 transitions. [2022-10-17 16:37:01,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:37:01,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:01,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:01,211 INFO L263 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 37 conjunts are in the unsatisfiable core [2022-10-17 16:37:01,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:01,402 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 1 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:01,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:01,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 49 states and 58 transitions. [2022-10-17 16:37:01,599 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 58 transitions. [2022-10-17 16:37:01,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:37:01,599 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:01,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:01,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:01,686 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 38 conjunts are in the unsatisfiable core [2022-10-17 16:37:01,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:01,881 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 1 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:02,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:02,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 50 states and 59 transitions. [2022-10-17 16:37:02,106 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 59 transitions. [2022-10-17 16:37:02,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:37:02,107 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:02,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:02,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:02,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 400 conjuncts, 39 conjunts are in the unsatisfiable core [2022-10-17 16:37:02,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:02,391 INFO L134 CoverageAnalysis]: Checked inductivity of 667 backedges. 1 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:02,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:02,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 51 states and 60 transitions. [2022-10-17 16:37:02,607 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 60 transitions. [2022-10-17 16:37:02,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:37:02,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:02,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:02,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 40 conjunts are in the unsatisfiable core [2022-10-17 16:37:02,712 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:02,910 INFO L134 CoverageAnalysis]: Checked inductivity of 704 backedges. 1 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:03,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:03,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 52 states and 61 transitions. [2022-10-17 16:37:03,111 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 61 transitions. [2022-10-17 16:37:03,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:37:03,112 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:03,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:03,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 41 conjunts are in the unsatisfiable core [2022-10-17 16:37:03,225 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:03,444 INFO L134 CoverageAnalysis]: Checked inductivity of 742 backedges. 1 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:03,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:03,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 53 states and 62 transitions. [2022-10-17 16:37:03,648 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 62 transitions. [2022-10-17 16:37:03,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:37:03,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:03,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:03,745 INFO L263 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 42 conjunts are in the unsatisfiable core [2022-10-17 16:37:03,747 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:03,963 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 1 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:04,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:04,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 54 states and 63 transitions. [2022-10-17 16:37:04,155 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 63 transitions. [2022-10-17 16:37:04,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:37:04,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:04,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:04,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:04,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 43 conjunts are in the unsatisfiable core [2022-10-17 16:37:04,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:04,529 INFO L134 CoverageAnalysis]: Checked inductivity of 821 backedges. 1 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:04,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:04,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 55 states and 64 transitions. [2022-10-17 16:37:04,725 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 64 transitions. [2022-10-17 16:37:04,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:37:04,726 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:04,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:04,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:04,837 INFO L263 TraceCheckSpWp]: Trace formula consists of 445 conjuncts, 44 conjunts are in the unsatisfiable core [2022-10-17 16:37:04,839 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:05,047 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 1 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:05,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:05,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 56 states and 65 transitions. [2022-10-17 16:37:05,235 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 65 transitions. [2022-10-17 16:37:05,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:37:05,235 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:05,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:05,380 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 45 conjunts are in the unsatisfiable core [2022-10-17 16:37:05,383 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:05,590 INFO L134 CoverageAnalysis]: Checked inductivity of 904 backedges. 1 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:05,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:05,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 57 states and 66 transitions. [2022-10-17 16:37:05,766 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 66 transitions. [2022-10-17 16:37:05,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:37:05,767 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:05,767 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:05,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:05,873 INFO L263 TraceCheckSpWp]: Trace formula consists of 463 conjuncts, 46 conjunts are in the unsatisfiable core [2022-10-17 16:37:05,876 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:06,160 INFO L134 CoverageAnalysis]: Checked inductivity of 947 backedges. 1 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:06,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:06,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 58 states and 67 transitions. [2022-10-17 16:37:06,379 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 67 transitions. [2022-10-17 16:37:06,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:37:06,380 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:06,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:06,504 INFO L263 TraceCheckSpWp]: Trace formula consists of 472 conjuncts, 47 conjunts are in the unsatisfiable core [2022-10-17 16:37:06,506 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:06,726 INFO L134 CoverageAnalysis]: Checked inductivity of 991 backedges. 1 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:06,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:06,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 59 states and 68 transitions. [2022-10-17 16:37:06,932 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 68 transitions. [2022-10-17 16:37:06,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:37:06,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:06,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:07,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:07,031 INFO L263 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 48 conjunts are in the unsatisfiable core [2022-10-17 16:37:07,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:07,280 INFO L134 CoverageAnalysis]: Checked inductivity of 1036 backedges. 1 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:07,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:07,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 60 states and 69 transitions. [2022-10-17 16:37:07,520 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 69 transitions. [2022-10-17 16:37:07,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:37:07,521 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:07,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:07,656 INFO L263 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 49 conjunts are in the unsatisfiable core [2022-10-17 16:37:07,658 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:07,913 INFO L134 CoverageAnalysis]: Checked inductivity of 1082 backedges. 1 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:08,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:08,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 61 states and 70 transitions. [2022-10-17 16:37:08,134 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 70 transitions. [2022-10-17 16:37:08,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:37:08,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:08,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:08,240 INFO L263 TraceCheckSpWp]: Trace formula consists of 499 conjuncts, 50 conjunts are in the unsatisfiable core [2022-10-17 16:37:08,242 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:08,470 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 1 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:08,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:08,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 62 states and 71 transitions. [2022-10-17 16:37:08,680 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 71 transitions. [2022-10-17 16:37:08,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 16:37:08,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:08,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:08,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:08,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 508 conjuncts, 51 conjunts are in the unsatisfiable core [2022-10-17 16:37:08,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:09,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1177 backedges. 1 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:09,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:09,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 63 states and 72 transitions. [2022-10-17 16:37:09,332 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 72 transitions. [2022-10-17 16:37:09,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 16:37:09,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:09,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:09,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:09,447 INFO L263 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 52 conjunts are in the unsatisfiable core [2022-10-17 16:37:09,450 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:09,696 INFO L134 CoverageAnalysis]: Checked inductivity of 1226 backedges. 1 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:09,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:09,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 64 states and 73 transitions. [2022-10-17 16:37:09,915 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 73 transitions. [2022-10-17 16:37:09,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:37:09,916 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:09,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:10,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:10,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 526 conjuncts, 53 conjunts are in the unsatisfiable core [2022-10-17 16:37:10,028 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:10,320 INFO L134 CoverageAnalysis]: Checked inductivity of 1276 backedges. 1 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:10,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:10,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 65 states and 74 transitions. [2022-10-17 16:37:10,543 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 74 transitions. [2022-10-17 16:37:10,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 16:37:10,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:10,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:10,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:10,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 535 conjuncts, 54 conjunts are in the unsatisfiable core [2022-10-17 16:37:10,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:10,918 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 1 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:11,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:11,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 66 states and 75 transitions. [2022-10-17 16:37:11,118 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 75 transitions. [2022-10-17 16:37:11,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 16:37:11,121 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:11,121 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:11,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:11,227 INFO L263 TraceCheckSpWp]: Trace formula consists of 544 conjuncts, 55 conjunts are in the unsatisfiable core [2022-10-17 16:37:11,229 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:11,488 INFO L134 CoverageAnalysis]: Checked inductivity of 1379 backedges. 1 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:11,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:11,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 67 states and 76 transitions. [2022-10-17 16:37:11,703 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 76 transitions. [2022-10-17 16:37:11,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 16:37:11,706 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:11,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:11,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:11,831 INFO L263 TraceCheckSpWp]: Trace formula consists of 553 conjuncts, 56 conjunts are in the unsatisfiable core [2022-10-17 16:37:11,834 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:12,090 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 1 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:12,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:12,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 68 states and 77 transitions. [2022-10-17 16:37:12,335 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 77 transitions. [2022-10-17 16:37:12,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 16:37:12,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:12,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:12,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:12,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 562 conjuncts, 57 conjunts are in the unsatisfiable core [2022-10-17 16:37:12,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:12,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1486 backedges. 1 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:12,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:12,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 69 states and 78 transitions. [2022-10-17 16:37:12,986 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 78 transitions. [2022-10-17 16:37:12,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 16:37:12,987 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:12,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:13,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:13,132 INFO L263 TraceCheckSpWp]: Trace formula consists of 571 conjuncts, 58 conjunts are in the unsatisfiable core [2022-10-17 16:37:13,134 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:13,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1541 backedges. 1 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:13,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:13,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 70 states and 79 transitions. [2022-10-17 16:37:13,610 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 79 transitions. [2022-10-17 16:37:13,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-17 16:37:13,611 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:13,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:13,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:13,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 580 conjuncts, 59 conjunts are in the unsatisfiable core [2022-10-17 16:37:13,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:14,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1597 backedges. 1 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:14,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:14,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 71 states and 80 transitions. [2022-10-17 16:37:14,269 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 80 transitions. [2022-10-17 16:37:14,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-17 16:37:14,270 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:14,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:14,399 INFO L263 TraceCheckSpWp]: Trace formula consists of 589 conjuncts, 60 conjunts are in the unsatisfiable core [2022-10-17 16:37:14,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:14,731 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 1 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:14,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:14,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 72 states and 81 transitions. [2022-10-17 16:37:14,957 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 81 transitions. [2022-10-17 16:37:14,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 16:37:14,958 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:14,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:15,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:15,066 INFO L263 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 61 conjunts are in the unsatisfiable core [2022-10-17 16:37:15,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:15,377 INFO L134 CoverageAnalysis]: Checked inductivity of 1712 backedges. 1 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:15,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:15,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 73 states and 82 transitions. [2022-10-17 16:37:15,648 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2022-10-17 16:37:15,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-17 16:37:15,649 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:15,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:15,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:15,767 INFO L263 TraceCheckSpWp]: Trace formula consists of 607 conjuncts, 62 conjunts are in the unsatisfiable core [2022-10-17 16:37:15,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:16,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1771 backedges. 1 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:16,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:16,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 74 states and 83 transitions. [2022-10-17 16:37:16,237 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 83 transitions. [2022-10-17 16:37:16,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-17 16:37:16,237 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:16,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:16,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:16,365 INFO L263 TraceCheckSpWp]: Trace formula consists of 616 conjuncts, 63 conjunts are in the unsatisfiable core [2022-10-17 16:37:16,368 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:16,653 INFO L134 CoverageAnalysis]: Checked inductivity of 1831 backedges. 1 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:16,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:16,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 75 states and 84 transitions. [2022-10-17 16:37:16,889 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 84 transitions. [2022-10-17 16:37:16,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-17 16:37:16,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:16,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:17,037 INFO L263 TraceCheckSpWp]: Trace formula consists of 625 conjuncts, 64 conjunts are in the unsatisfiable core [2022-10-17 16:37:17,039 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:17,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 1 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:37:17,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:37:17,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 76 states and 85 transitions. [2022-10-17 16:37:17,669 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 85 transitions. [2022-10-17 16:37:17,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-17 16:37:17,670 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:37:17,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:37:17,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:37:17,803 INFO L263 TraceCheckSpWp]: Trace formula consists of 634 conjuncts, 65 conjunts are in the unsatisfiable core [2022-10-17 16:37:17,805 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:37:18,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1954 backedges. 1 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.