./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-multidimensional/max-3-n-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_aa937b34-d0d5-4a1a-80e3-5c64009db12b/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa937b34-d0d5-4a1a-80e3-5c64009db12b/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_aa937b34-d0d5-4a1a-80e3-5c64009db12b/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa937b34-d0d5-4a1a-80e3-5c64009db12b/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-multidimensional/max-3-n-u.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa937b34-d0d5-4a1a-80e3-5c64009db12b/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_aa937b34-d0d5-4a1a-80e3-5c64009db12b/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 6c8d330fcf7e017e6b51632eb7a9f8f167fb4f3e932700b6ef82da7b1572a2f0 --- 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 16:40:15,585 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:40:15,587 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:40:15,636 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:40:15,637 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:40:15,638 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:40:15,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:40:15,642 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:40:15,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:40:15,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:40:15,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:40:15,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:40:15,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:40:15,651 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:40:15,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:40:15,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:40:15,655 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:40:15,656 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:40:15,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:40:15,662 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:40:15,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:40:15,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:40:15,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:40:15,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:40:15,673 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:40:15,673 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:40:15,674 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:40:15,675 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:40:15,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:40:15,677 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:40:15,677 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:40:15,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:40:15,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:40:15,691 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:40:15,692 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:40:15,692 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:40:15,693 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:40:15,693 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:40:15,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:40:15,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:40:15,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:40:15,697 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa937b34-d0d5-4a1a-80e3-5c64009db12b/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:40:15,728 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:40:15,728 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:40:15,729 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:40:15,729 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:40:15,730 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:40:15,730 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:40:15,731 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:40:15,731 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:40:15,731 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:40:15,731 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:40:15,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:40:15,732 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:40:15,732 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:40:15,732 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:40:15,732 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:40:15,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:40:15,732 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:40:15,733 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:40:15,733 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:40:15,733 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:40:15,733 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:40:15,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:40:15,734 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:40:15,734 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:40:15,734 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:40:15,734 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:40:15,734 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:40:15,735 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:40:15,735 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_aa937b34-d0d5-4a1a-80e3-5c64009db12b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa937b34-d0d5-4a1a-80e3-5c64009db12b/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6c8d330fcf7e017e6b51632eb7a9f8f167fb4f3e932700b6ef82da7b1572a2f0 [2022-10-17 16:40:15,974 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:40:15,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:40:16,006 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:40:16,008 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:40:16,010 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:40:16,013 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa937b34-d0d5-4a1a-80e3-5c64009db12b/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-multidimensional/max-3-n-u.c [2022-10-17 16:40:16,107 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa937b34-d0d5-4a1a-80e3-5c64009db12b/bin/ukojak-92XMlrwhuB/data/1328d5719/846a4076a7ce40408e24251339d9dff9/FLAGdecf5c277 [2022-10-17 16:40:16,552 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:40:16,553 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa937b34-d0d5-4a1a-80e3-5c64009db12b/sv-benchmarks/c/array-multidimensional/max-3-n-u.c [2022-10-17 16:40:16,560 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa937b34-d0d5-4a1a-80e3-5c64009db12b/bin/ukojak-92XMlrwhuB/data/1328d5719/846a4076a7ce40408e24251339d9dff9/FLAGdecf5c277 [2022-10-17 16:40:16,914 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa937b34-d0d5-4a1a-80e3-5c64009db12b/bin/ukojak-92XMlrwhuB/data/1328d5719/846a4076a7ce40408e24251339d9dff9 [2022-10-17 16:40:16,918 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:40:16,919 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:40:16,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:40:16,921 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:40:16,928 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:40:16,929 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:40:16" (1/1) ... [2022-10-17 16:40:16,931 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7daefd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:16, skipping insertion in model container [2022-10-17 16:40:16,932 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:40:16" (1/1) ... [2022-10-17 16:40:16,939 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:40:16,955 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:40:17,109 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_aa937b34-d0d5-4a1a-80e3-5c64009db12b/sv-benchmarks/c/array-multidimensional/max-3-n-u.c[321,334] [2022-10-17 16:40:17,163 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:40:17,174 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:40:17,197 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_aa937b34-d0d5-4a1a-80e3-5c64009db12b/sv-benchmarks/c/array-multidimensional/max-3-n-u.c[321,334] [2022-10-17 16:40:17,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:40:17,238 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:40:17,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:17 WrapperNode [2022-10-17 16:40:17,239 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:40:17,241 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:40:17,241 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:40:17,243 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:40:17,251 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:17" (1/1) ... [2022-10-17 16:40:17,267 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:17" (1/1) ... [2022-10-17 16:40:17,301 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 109 [2022-10-17 16:40:17,301 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:40:17,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:40:17,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:40:17,303 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:40:17,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:17" (1/1) ... [2022-10-17 16:40:17,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:17" (1/1) ... [2022-10-17 16:40:17,316 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:17" (1/1) ... [2022-10-17 16:40:17,317 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:17" (1/1) ... [2022-10-17 16:40:17,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:17" (1/1) ... [2022-10-17 16:40:17,345 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:17" (1/1) ... [2022-10-17 16:40:17,349 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:17" (1/1) ... [2022-10-17 16:40:17,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:17" (1/1) ... [2022-10-17 16:40:17,358 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:40:17,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:40:17,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:40:17,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:40:17,364 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:40:17" (1/1) ... [2022-10-17 16:40:17,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:40:17,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa937b34-d0d5-4a1a-80e3-5c64009db12b/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:40:17,406 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa937b34-d0d5-4a1a-80e3-5c64009db12b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:40:17,429 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aa937b34-d0d5-4a1a-80e3-5c64009db12b/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:40:17,470 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:40:17,471 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:40:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:40:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:40:17,472 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:40:17,473 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:40:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:40:17,473 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:40:17,533 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:40:17,535 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:40:17,714 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:40:17,798 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:40:17,798 INFO L300 CfgBuilder]: Removed 9 assume(true) statements. [2022-10-17 16:40:17,801 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:40:17 BoogieIcfgContainer [2022-10-17 16:40:17,801 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:40:17,802 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:40:17,803 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:40:17,818 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:40:17,819 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:40:17" (1/1) ... [2022-10-17 16:40:17,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:40:17,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:17,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 15 states and 24 transitions. [2022-10-17 16:40:17,907 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 24 transitions. [2022-10-17 16:40:17,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:40:17,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:17,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:18,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:40:18,078 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:18,212 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 16:40:18,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:18,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 16 states and 25 transitions. [2022-10-17 16:40:18,289 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. [2022-10-17 16:40:18,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:40:18,290 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:18,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:18,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:18,333 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:40:18,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:18,377 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 16:40:18,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:18,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 18 states and 30 transitions. [2022-10-17 16:40:18,523 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 30 transitions. [2022-10-17 16:40:18,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:40:18,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:18,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:18,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:40:18,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:18,662 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:18,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:18,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 21 states and 38 transitions. [2022-10-17 16:40:18,891 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 38 transitions. [2022-10-17 16:40:18,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:40:18,892 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:18,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:18,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:18,928 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 4 conjunts are in the unsatisfiable core [2022-10-17 16:40:18,929 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:18,976 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:19,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:19,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 39 transitions. [2022-10-17 16:40:19,101 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 39 transitions. [2022-10-17 16:40:19,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:40:19,102 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:19,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:19,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 5 conjunts are in the unsatisfiable core [2022-10-17 16:40:19,196 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:19,260 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:19,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:19,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 23 states and 40 transitions. [2022-10-17 16:40:19,374 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 40 transitions. [2022-10-17 16:40:19,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:40:19,375 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:19,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:19,440 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 6 conjunts are in the unsatisfiable core [2022-10-17 16:40:19,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:19,520 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:19,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:19,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2022-10-17 16:40:19,636 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2022-10-17 16:40:19,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:40:19,639 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:19,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:19,700 INFO L263 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 7 conjunts are in the unsatisfiable core [2022-10-17 16:40:19,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:19,788 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:19,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:19,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 25 states and 42 transitions. [2022-10-17 16:40:19,905 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 42 transitions. [2022-10-17 16:40:19,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:40:19,907 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:19,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:19,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:19,967 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 8 conjunts are in the unsatisfiable core [2022-10-17 16:40:19,969 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:20,041 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:20,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:20,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2022-10-17 16:40:20,162 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2022-10-17 16:40:20,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:40:20,163 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:20,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:20,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:20,204 INFO L263 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 9 conjunts are in the unsatisfiable core [2022-10-17 16:40:20,205 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:20,283 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 2 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:20,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:20,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 44 transitions. [2022-10-17 16:40:20,397 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2022-10-17 16:40:20,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:40:20,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:20,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:20,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 10 conjunts are in the unsatisfiable core [2022-10-17 16:40:20,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:20,534 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 2 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:20,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:20,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 28 states and 45 transitions. [2022-10-17 16:40:20,655 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 45 transitions. [2022-10-17 16:40:20,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:40:20,656 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:20,657 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:20,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:20,701 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 11 conjunts are in the unsatisfiable core [2022-10-17 16:40:20,703 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:20,778 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:20,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:20,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2022-10-17 16:40:20,887 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2022-10-17 16:40:20,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:40:20,888 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:20,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:20,934 INFO L263 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 12 conjunts are in the unsatisfiable core [2022-10-17 16:40:20,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:21,021 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:21,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:21,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2022-10-17 16:40:21,151 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2022-10-17 16:40:21,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:40:21,153 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:21,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:21,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:21,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 13 conjunts are in the unsatisfiable core [2022-10-17 16:40:21,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:21,320 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 2 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:21,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:21,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 31 states and 48 transitions. [2022-10-17 16:40:21,448 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2022-10-17 16:40:21,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:40:21,450 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:21,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:21,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:21,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 14 conjunts are in the unsatisfiable core [2022-10-17 16:40:21,507 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:21,604 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 2 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:21,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:21,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 32 states and 49 transitions. [2022-10-17 16:40:21,746 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 49 transitions. [2022-10-17 16:40:21,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:40:21,748 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:21,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:21,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:21,813 INFO L263 TraceCheckSpWp]: Trace formula consists of 205 conjuncts, 15 conjunts are in the unsatisfiable core [2022-10-17 16:40:21,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:21,921 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 2 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:22,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:22,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 33 states and 50 transitions. [2022-10-17 16:40:22,050 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2022-10-17 16:40:22,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:40:22,051 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:22,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:22,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:22,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 16 conjunts are in the unsatisfiable core [2022-10-17 16:40:22,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:22,231 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 2 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:22,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:22,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 34 states and 51 transitions. [2022-10-17 16:40:22,373 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 51 transitions. [2022-10-17 16:40:22,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:40:22,374 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:22,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:22,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:22,444 INFO L263 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 17 conjunts are in the unsatisfiable core [2022-10-17 16:40:22,446 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:22,555 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 2 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:22,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:22,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 35 states and 52 transitions. [2022-10-17 16:40:22,695 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 52 transitions. [2022-10-17 16:40:22,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:40:22,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:22,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:22,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:22,754 INFO L263 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 18 conjunts are in the unsatisfiable core [2022-10-17 16:40:22,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:22,870 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 2 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:23,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:23,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2022-10-17 16:40:23,003 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2022-10-17 16:40:23,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:40:23,003 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:23,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:23,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:23,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 19 conjunts are in the unsatisfiable core [2022-10-17 16:40:23,083 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:23,187 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 2 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:23,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:23,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 37 states and 54 transitions. [2022-10-17 16:40:23,322 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 54 transitions. [2022-10-17 16:40:23,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-10-17 16:40:23,322 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:23,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:23,391 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 20 conjunts are in the unsatisfiable core [2022-10-17 16:40:23,396 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:23,511 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 2 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:23,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:23,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 38 states and 55 transitions. [2022-10-17 16:40:23,665 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 55 transitions. [2022-10-17 16:40:23,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-10-17 16:40:23,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:23,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:23,729 INFO L263 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 21 conjunts are in the unsatisfiable core [2022-10-17 16:40:23,731 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:23,862 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 2 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:24,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:24,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 39 states and 56 transitions. [2022-10-17 16:40:24,026 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2022-10-17 16:40:24,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:40:24,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:24,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:24,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:24,095 INFO L263 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 22 conjunts are in the unsatisfiable core [2022-10-17 16:40:24,097 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:24,220 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 2 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:24,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:24,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 40 states and 57 transitions. [2022-10-17 16:40:24,386 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 57 transitions. [2022-10-17 16:40:24,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:40:24,386 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:24,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:24,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:24,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 23 conjunts are in the unsatisfiable core [2022-10-17 16:40:24,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:24,583 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 2 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:24,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:24,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 41 states and 58 transitions. [2022-10-17 16:40:24,729 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 58 transitions. [2022-10-17 16:40:24,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:40:24,729 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:24,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:24,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:24,801 INFO L263 TraceCheckSpWp]: Trace formula consists of 286 conjuncts, 24 conjunts are in the unsatisfiable core [2022-10-17 16:40:24,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:24,936 INFO L134 CoverageAnalysis]: Checked inductivity of 233 backedges. 2 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:25,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:25,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 42 states and 59 transitions. [2022-10-17 16:40:25,100 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 59 transitions. [2022-10-17 16:40:25,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-10-17 16:40:25,100 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:25,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:25,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:25,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 295 conjuncts, 25 conjunts are in the unsatisfiable core [2022-10-17 16:40:25,177 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:25,321 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 2 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:25,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:25,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 43 states and 60 transitions. [2022-10-17 16:40:25,478 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 60 transitions. [2022-10-17 16:40:25,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-10-17 16:40:25,478 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:25,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:25,555 INFO L263 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 26 conjunts are in the unsatisfiable core [2022-10-17 16:40:25,557 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:25,703 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 2 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:25,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:25,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 44 states and 61 transitions. [2022-10-17 16:40:25,876 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 61 transitions. [2022-10-17 16:40:25,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:40:25,876 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:25,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:25,952 INFO L263 TraceCheckSpWp]: Trace formula consists of 313 conjuncts, 27 conjunts are in the unsatisfiable core [2022-10-17 16:40:25,953 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:26,099 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 2 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:26,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:26,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 45 states and 62 transitions. [2022-10-17 16:40:26,279 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 62 transitions. [2022-10-17 16:40:26,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:40:26,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:26,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:26,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:26,357 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 28 conjunts are in the unsatisfiable core [2022-10-17 16:40:26,359 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:26,522 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 2 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:26,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:26,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 46 states and 63 transitions. [2022-10-17 16:40:26,693 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 63 transitions. [2022-10-17 16:40:26,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:40:26,693 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:26,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:26,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:26,778 INFO L263 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 29 conjunts are in the unsatisfiable core [2022-10-17 16:40:26,780 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:26,921 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 2 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:27,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:27,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 47 states and 64 transitions. [2022-10-17 16:40:27,090 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 64 transitions. [2022-10-17 16:40:27,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:40:27,090 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:27,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:27,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:27,183 INFO L263 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 30 conjunts are in the unsatisfiable core [2022-10-17 16:40:27,185 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:27,359 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 2 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:27,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:27,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 48 states and 65 transitions. [2022-10-17 16:40:27,543 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2022-10-17 16:40:27,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:40:27,544 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:27,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:27,625 INFO L263 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 31 conjunts are in the unsatisfiable core [2022-10-17 16:40:27,626 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:27,810 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 2 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:28,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:28,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 49 states and 66 transitions. [2022-10-17 16:40:28,024 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 66 transitions. [2022-10-17 16:40:28,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:40:28,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:28,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:28,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:28,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 32 conjunts are in the unsatisfiable core [2022-10-17 16:40:28,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:28,286 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 2 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:28,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:28,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 50 states and 67 transitions. [2022-10-17 16:40:28,487 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 67 transitions. [2022-10-17 16:40:28,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:40:28,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:28,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:28,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:28,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 33 conjunts are in the unsatisfiable core [2022-10-17 16:40:28,577 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:28,772 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 2 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:28,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:28,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 51 states and 68 transitions. [2022-10-17 16:40:28,990 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 68 transitions. [2022-10-17 16:40:28,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:40:28,990 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:28,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:29,080 INFO L263 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 34 conjunts are in the unsatisfiable core [2022-10-17 16:40:29,082 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:29,272 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 2 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:29,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:29,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 52 states and 69 transitions. [2022-10-17 16:40:29,439 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 69 transitions. [2022-10-17 16:40:29,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:40:29,440 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:29,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:29,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:29,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 35 conjunts are in the unsatisfiable core [2022-10-17 16:40:29,535 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:29,718 INFO L134 CoverageAnalysis]: Checked inductivity of 530 backedges. 2 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:29,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:29,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 53 states and 70 transitions. [2022-10-17 16:40:29,888 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 70 transitions. [2022-10-17 16:40:29,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 16:40:29,889 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:29,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:29,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:29,982 INFO L263 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 36 conjunts are in the unsatisfiable core [2022-10-17 16:40:29,984 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:30,160 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 2 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:30,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:30,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 54 states and 71 transitions. [2022-10-17 16:40:30,335 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 71 transitions. [2022-10-17 16:40:30,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-10-17 16:40:30,336 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:30,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:30,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:30,484 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 37 conjunts are in the unsatisfiable core [2022-10-17 16:40:30,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:30,652 INFO L134 CoverageAnalysis]: Checked inductivity of 597 backedges. 2 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:30,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:30,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 55 states and 72 transitions. [2022-10-17 16:40:30,830 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 72 transitions. [2022-10-17 16:40:30,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 16:40:30,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:30,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:30,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 412 conjuncts, 38 conjunts are in the unsatisfiable core [2022-10-17 16:40:30,934 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:31,150 INFO L134 CoverageAnalysis]: Checked inductivity of 632 backedges. 2 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:31,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:31,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 56 states and 73 transitions. [2022-10-17 16:40:31,350 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 73 transitions. [2022-10-17 16:40:31,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 16:40:31,350 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:31,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:31,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:31,459 INFO L263 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 39 conjunts are in the unsatisfiable core [2022-10-17 16:40:31,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:31,683 INFO L134 CoverageAnalysis]: Checked inductivity of 668 backedges. 2 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:31,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:31,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 57 states and 74 transitions. [2022-10-17 16:40:31,858 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 74 transitions. [2022-10-17 16:40:31,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:40:31,859 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:31,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:31,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:31,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 430 conjuncts, 40 conjunts are in the unsatisfiable core [2022-10-17 16:40:31,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:32,181 INFO L134 CoverageAnalysis]: Checked inductivity of 705 backedges. 2 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:32,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:32,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 58 states and 75 transitions. [2022-10-17 16:40:32,381 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2022-10-17 16:40:32,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-10-17 16:40:32,382 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:32,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:32,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:32,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 41 conjunts are in the unsatisfiable core [2022-10-17 16:40:32,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:32,666 INFO L134 CoverageAnalysis]: Checked inductivity of 743 backedges. 2 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:32,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:32,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 59 states and 76 transitions. [2022-10-17 16:40:32,857 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 76 transitions. [2022-10-17 16:40:32,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 16:40:32,857 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:32,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:32,958 INFO L263 TraceCheckSpWp]: Trace formula consists of 448 conjuncts, 42 conjunts are in the unsatisfiable core [2022-10-17 16:40:32,960 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:33,202 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 2 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:33,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:33,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 60 states and 77 transitions. [2022-10-17 16:40:33,417 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 77 transitions. [2022-10-17 16:40:33,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 16:40:33,418 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:33,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:33,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:33,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 457 conjuncts, 43 conjunts are in the unsatisfiable core [2022-10-17 16:40:33,529 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:33,721 INFO L134 CoverageAnalysis]: Checked inductivity of 822 backedges. 2 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:33,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:33,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 61 states and 78 transitions. [2022-10-17 16:40:33,908 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 78 transitions. [2022-10-17 16:40:33,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2022-10-17 16:40:33,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:33,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:34,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:34,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 466 conjuncts, 44 conjunts are in the unsatisfiable core [2022-10-17 16:40:34,042 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:34,265 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 2 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:34,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:34,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 62 states and 79 transitions. [2022-10-17 16:40:34,502 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 79 transitions. [2022-10-17 16:40:34,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2022-10-17 16:40:34,503 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:34,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:34,605 INFO L263 TraceCheckSpWp]: Trace formula consists of 475 conjuncts, 45 conjunts are in the unsatisfiable core [2022-10-17 16:40:34,606 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:34,826 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 2 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:35,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:35,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 63 states and 80 transitions. [2022-10-17 16:40:35,037 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2022-10-17 16:40:35,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:40:35,037 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:35,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:35,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:35,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 46 conjunts are in the unsatisfiable core [2022-10-17 16:40:35,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:35,414 INFO L134 CoverageAnalysis]: Checked inductivity of 948 backedges. 2 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:35,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:35,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 64 states and 81 transitions. [2022-10-17 16:40:35,670 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2022-10-17 16:40:35,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2022-10-17 16:40:35,671 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:35,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:35,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:35,776 INFO L263 TraceCheckSpWp]: Trace formula consists of 493 conjuncts, 47 conjunts are in the unsatisfiable core [2022-10-17 16:40:35,778 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:35,999 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 2 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:36,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:36,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 65 states and 82 transitions. [2022-10-17 16:40:36,212 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2022-10-17 16:40:36,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 16:40:36,213 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:36,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:36,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:36,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 502 conjuncts, 48 conjunts are in the unsatisfiable core [2022-10-17 16:40:36,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:36,542 INFO L134 CoverageAnalysis]: Checked inductivity of 1037 backedges. 2 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:36,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:36,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 66 states and 83 transitions. [2022-10-17 16:40:36,761 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2022-10-17 16:40:36,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2022-10-17 16:40:36,761 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:36,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:36,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:36,888 INFO L263 TraceCheckSpWp]: Trace formula consists of 511 conjuncts, 49 conjunts are in the unsatisfiable core [2022-10-17 16:40:36,890 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:37,130 INFO L134 CoverageAnalysis]: Checked inductivity of 1083 backedges. 2 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:37,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:37,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 67 states and 84 transitions. [2022-10-17 16:40:37,338 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2022-10-17 16:40:37,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2022-10-17 16:40:37,338 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:37,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:37,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:37,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 520 conjuncts, 50 conjunts are in the unsatisfiable core [2022-10-17 16:40:37,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:37,710 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 2 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:37,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:37,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 68 states and 85 transitions. [2022-10-17 16:40:37,941 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2022-10-17 16:40:37,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-10-17 16:40:37,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:37,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:38,039 INFO L263 TraceCheckSpWp]: Trace formula consists of 529 conjuncts, 51 conjunts are in the unsatisfiable core [2022-10-17 16:40:38,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:38,350 INFO L134 CoverageAnalysis]: Checked inductivity of 1178 backedges. 2 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:38,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:38,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 69 states and 86 transitions. [2022-10-17 16:40:38,604 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2022-10-17 16:40:38,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-10-17 16:40:38,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:38,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:38,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:38,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 538 conjuncts, 52 conjunts are in the unsatisfiable core [2022-10-17 16:40:38,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:38,966 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 2 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:39,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:39,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 70 states and 87 transitions. [2022-10-17 16:40:39,187 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2022-10-17 16:40:39,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 16:40:39,188 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:39,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:39,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 547 conjuncts, 53 conjunts are in the unsatisfiable core [2022-10-17 16:40:39,330 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:39,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1277 backedges. 2 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:39,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:39,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 71 states and 88 transitions. [2022-10-17 16:40:39,921 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 88 transitions. [2022-10-17 16:40:39,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 16:40:39,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:39,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:40,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:40,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 54 conjunts are in the unsatisfiable core [2022-10-17 16:40:40,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:40,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1328 backedges. 2 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:40,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:40,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 72 states and 89 transitions. [2022-10-17 16:40:40,587 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 89 transitions. [2022-10-17 16:40:40,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 16:40:40,587 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:40,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:40,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 565 conjuncts, 55 conjunts are in the unsatisfiable core [2022-10-17 16:40:40,737 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:40,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1380 backedges. 2 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:41,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:41,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 73 states and 90 transitions. [2022-10-17 16:40:41,186 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 90 transitions. [2022-10-17 16:40:41,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2022-10-17 16:40:41,187 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:41,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:41,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:41,327 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 56 conjunts are in the unsatisfiable core [2022-10-17 16:40:41,329 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:41,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1433 backedges. 2 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:41,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:41,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 74 states and 91 transitions. [2022-10-17 16:40:41,914 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 91 transitions. [2022-10-17 16:40:41,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2022-10-17 16:40:41,915 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:41,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:42,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:42,041 INFO L263 TraceCheckSpWp]: Trace formula consists of 583 conjuncts, 57 conjunts are in the unsatisfiable core [2022-10-17 16:40:42,043 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:42,296 INFO L134 CoverageAnalysis]: Checked inductivity of 1487 backedges. 2 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:42,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:42,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 75 states and 92 transitions. [2022-10-17 16:40:42,625 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 92 transitions. [2022-10-17 16:40:42,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 16:40:42,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:42,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:42,743 INFO L263 TraceCheckSpWp]: Trace formula consists of 592 conjuncts, 58 conjunts are in the unsatisfiable core [2022-10-17 16:40:42,745 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:43,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1542 backedges. 2 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:43,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:43,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 76 states and 93 transitions. [2022-10-17 16:40:43,377 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 93 transitions. [2022-10-17 16:40:43,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-10-17 16:40:43,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:43,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:43,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:43,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 59 conjunts are in the unsatisfiable core [2022-10-17 16:40:43,509 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:43,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1598 backedges. 2 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:44,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:44,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 77 states and 94 transitions. [2022-10-17 16:40:44,025 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 94 transitions. [2022-10-17 16:40:44,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-17 16:40:44,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:44,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:44,167 INFO L263 TraceCheckSpWp]: Trace formula consists of 610 conjuncts, 60 conjunts are in the unsatisfiable core [2022-10-17 16:40:44,169 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:44,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1655 backedges. 2 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:44,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:44,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 78 states and 95 transitions. [2022-10-17 16:40:44,708 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 95 transitions. [2022-10-17 16:40:44,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-17 16:40:44,708 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:44,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:44,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:44,836 INFO L263 TraceCheckSpWp]: Trace formula consists of 619 conjuncts, 61 conjunts are in the unsatisfiable core [2022-10-17 16:40:44,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:45,172 INFO L134 CoverageAnalysis]: Checked inductivity of 1713 backedges. 2 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:45,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:45,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 79 states and 96 transitions. [2022-10-17 16:40:45,499 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 96 transitions. [2022-10-17 16:40:45,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2022-10-17 16:40:45,500 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:45,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:45,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:45,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 628 conjuncts, 62 conjunts are in the unsatisfiable core [2022-10-17 16:40:45,650 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:45,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1772 backedges. 2 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:40:46,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:40:46,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 80 states and 97 transitions. [2022-10-17 16:40:46,347 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 97 transitions. [2022-10-17 16:40:46,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-17 16:40:46,348 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:40:46,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:40:46,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:40:46,496 INFO L263 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 63 conjunts are in the unsatisfiable core [2022-10-17 16:40:46,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:40:46,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1832 backedges. 2 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.