./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/sum_20x0-2.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_4f47d449-3c24-4a02-8a61-62614d27a638/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f47d449-3c24-4a02-8a61-62614d27a638/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_4f47d449-3c24-4a02-8a61-62614d27a638/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f47d449-3c24-4a02-8a61-62614d27a638/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/sum_20x0-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f47d449-3c24-4a02-8a61-62614d27a638/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_4f47d449-3c24-4a02-8a61-62614d27a638/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 2467b918f90fe26ead39772ec36304202be3f16a6c04dfdd5844d39d05599b5a --- 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 17:02:21,811 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:02:21,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:02:21,858 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:02:21,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:02:21,864 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:02:21,867 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:02:21,871 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:02:21,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:02:21,879 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:02:21,880 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:02:21,882 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:02:21,883 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:02:21,886 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:02:21,888 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:02:21,890 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:02:21,892 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:02:21,893 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:02:21,896 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:02:21,903 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:02:21,905 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:02:21,907 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:02:21,910 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:02:21,911 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:02:21,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:02:21,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:02:21,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:02:21,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:02:21,925 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:02:21,926 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:02:21,927 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:02:21,928 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:02:21,930 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:02:21,932 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:02:21,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:02:21,948 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:02:21,948 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:02:21,949 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:02:21,949 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:02:21,950 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:02:21,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:02:21,951 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f47d449-3c24-4a02-8a61-62614d27a638/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 17:02:22,006 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:02:22,006 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:02:22,007 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:02:22,007 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:02:22,008 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:02:22,008 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:02:22,008 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:02:22,009 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 17:02:22,009 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:02:22,009 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 17:02:22,009 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:02:22,009 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:02:22,010 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:02:22,010 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:02:22,010 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 17:02:22,010 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:02:22,011 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:02:22,011 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:02:22,011 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:02:22,011 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:02:22,011 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:02:22,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:22,012 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:02:22,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:02:22,012 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:02:22,013 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:02:22,013 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:02:22,013 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:02:22,013 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_4f47d449-3c24-4a02-8a61-62614d27a638/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f47d449-3c24-4a02-8a61-62614d27a638/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2467b918f90fe26ead39772ec36304202be3f16a6c04dfdd5844d39d05599b5a [2022-10-17 17:02:22,251 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:02:22,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:02:22,276 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:02:22,278 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:02:22,279 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:02:22,282 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f47d449-3c24-4a02-8a61-62614d27a638/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/recursive-simple/sum_20x0-2.c [2022-10-17 17:02:22,360 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f47d449-3c24-4a02-8a61-62614d27a638/bin/ukojak-92XMlrwhuB/data/7440c3003/92c4db5ebe6945fbbf814236c76ba939/FLAGdbd864733 [2022-10-17 17:02:22,843 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:02:22,844 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f47d449-3c24-4a02-8a61-62614d27a638/sv-benchmarks/c/recursive-simple/sum_20x0-2.c [2022-10-17 17:02:22,851 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f47d449-3c24-4a02-8a61-62614d27a638/bin/ukojak-92XMlrwhuB/data/7440c3003/92c4db5ebe6945fbbf814236c76ba939/FLAGdbd864733 [2022-10-17 17:02:23,197 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f47d449-3c24-4a02-8a61-62614d27a638/bin/ukojak-92XMlrwhuB/data/7440c3003/92c4db5ebe6945fbbf814236c76ba939 [2022-10-17 17:02:23,202 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:02:23,205 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:02:23,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:23,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:02:23,216 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:02:23,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:23" (1/1) ... [2022-10-17 17:02:23,220 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31bf7e02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:23, skipping insertion in model container [2022-10-17 17:02:23,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:02:23" (1/1) ... [2022-10-17 17:02:23,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:02:23,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:02:23,451 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_4f47d449-3c24-4a02-8a61-62614d27a638/sv-benchmarks/c/recursive-simple/sum_20x0-2.c[481,494] [2022-10-17 17:02:23,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:23,464 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:02:23,479 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_4f47d449-3c24-4a02-8a61-62614d27a638/sv-benchmarks/c/recursive-simple/sum_20x0-2.c[481,494] [2022-10-17 17:02:23,480 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:02:23,494 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:02:23,494 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:23 WrapperNode [2022-10-17 17:02:23,495 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:02:23,496 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:23,496 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:02:23,496 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:02:23,504 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:23" (1/1) ... [2022-10-17 17:02:23,511 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:23" (1/1) ... [2022-10-17 17:02:23,527 INFO L138 Inliner]: procedures = 12, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 20 [2022-10-17 17:02:23,528 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:02:23,528 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:02:23,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:02:23,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:02:23,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:23" (1/1) ... [2022-10-17 17:02:23,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:23" (1/1) ... [2022-10-17 17:02:23,540 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:23" (1/1) ... [2022-10-17 17:02:23,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:23" (1/1) ... [2022-10-17 17:02:23,543 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:23" (1/1) ... [2022-10-17 17:02:23,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:23" (1/1) ... [2022-10-17 17:02:23,545 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:23" (1/1) ... [2022-10-17 17:02:23,546 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:23" (1/1) ... [2022-10-17 17:02:23,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:02:23,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:02:23,549 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:02:23,549 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:02:23,551 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:02:23" (1/1) ... [2022-10-17 17:02:23,557 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:02:23,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f47d449-3c24-4a02-8a61-62614d27a638/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:02:23,581 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f47d449-3c24-4a02-8a61-62614d27a638/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:02:23,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f47d449-3c24-4a02-8a61-62614d27a638/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:02:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 17:02:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:02:23,640 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:02:23,640 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2022-10-17 17:02:23,641 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2022-10-17 17:02:23,641 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 17:02:23,708 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:02:23,710 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:02:23,819 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:02:23,834 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:02:23,835 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 17:02:23,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:23 BoogieIcfgContainer [2022-10-17 17:02:23,837 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:02:23,838 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:02:23,838 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:02:23,849 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:02:23,850 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:02:23" (1/1) ... [2022-10-17 17:02:23,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:02:23,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:23,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2022-10-17 17:02:23,923 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2022-10-17 17:02:23,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 17:02:23,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:23,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:24,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:24,317 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 17:02:24,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:24,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 18 transitions. [2022-10-17 17:02:24,415 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2022-10-17 17:02:24,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:02:24,416 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:24,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:24,633 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:02:24,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:24,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 23 transitions. [2022-10-17 17:02:24,761 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2022-10-17 17:02:24,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 17:02:24,762 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:24,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:24,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:24,976 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2022-10-17 17:02:25,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:25,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 22 states and 29 transitions. [2022-10-17 17:02:25,130 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 29 transitions. [2022-10-17 17:02:25,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 17:02:25,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:25,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:25,356 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 17:02:25,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:25,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 25 states and 36 transitions. [2022-10-17 17:02:25,484 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 36 transitions. [2022-10-17 17:02:25,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 17:02:25,487 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:25,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:25,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:25,682 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2022-10-17 17:02:25,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:25,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 28 states and 44 transitions. [2022-10-17 17:02:25,807 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 44 transitions. [2022-10-17 17:02:25,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 17:02:25,809 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:25,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:25,994 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2022-10-17 17:02:26,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:26,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 31 states and 53 transitions. [2022-10-17 17:02:26,111 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2022-10-17 17:02:26,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2022-10-17 17:02:26,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:26,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:26,344 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2022-10-17 17:02:26,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:26,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 34 states and 63 transitions. [2022-10-17 17:02:26,484 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 63 transitions. [2022-10-17 17:02:26,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-10-17 17:02:26,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:26,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:26,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:26,705 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 77 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2022-10-17 17:02:26,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:26,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 37 states and 74 transitions. [2022-10-17 17:02:26,843 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 74 transitions. [2022-10-17 17:02:26,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 17:02:26,848 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:26,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:27,117 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2022-10-17 17:02:27,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:27,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 40 states and 86 transitions. [2022-10-17 17:02:27,258 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 86 transitions. [2022-10-17 17:02:27,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2022-10-17 17:02:27,260 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:27,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:27,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:27,583 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2022-10-17 17:02:27,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:27,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 43 states and 99 transitions. [2022-10-17 17:02:27,721 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 99 transitions. [2022-10-17 17:02:27,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-17 17:02:27,725 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:27,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:27,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:28,038 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2022-10-17 17:02:28,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:28,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 46 states and 113 transitions. [2022-10-17 17:02:28,196 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 113 transitions. [2022-10-17 17:02:28,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2022-10-17 17:02:28,197 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:28,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:28,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:28,498 INFO L134 CoverageAnalysis]: Checked inductivity of 374 backedges. 0 proven. 187 refuted. 0 times theorem prover too weak. 187 trivial. 0 not checked. [2022-10-17 17:02:28,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:28,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 49 states and 128 transitions. [2022-10-17 17:02:28,660 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 128 transitions. [2022-10-17 17:02:28,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2022-10-17 17:02:28,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:28,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:28,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:29,004 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 0 proven. 222 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2022-10-17 17:02:29,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:29,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 52 states and 144 transitions. [2022-10-17 17:02:29,181 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 144 transitions. [2022-10-17 17:02:29,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-17 17:02:29,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:29,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:29,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:29,526 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 0 proven. 260 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2022-10-17 17:02:29,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:29,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 55 states and 161 transitions. [2022-10-17 17:02:29,721 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 161 transitions. [2022-10-17 17:02:29,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2022-10-17 17:02:29,722 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:29,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:30,094 INFO L134 CoverageAnalysis]: Checked inductivity of 602 backedges. 0 proven. 301 refuted. 0 times theorem prover too weak. 301 trivial. 0 not checked. [2022-10-17 17:02:30,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:30,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 58 states and 179 transitions. [2022-10-17 17:02:30,295 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 179 transitions. [2022-10-17 17:02:30,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-10-17 17:02:30,298 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:30,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:30,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:30,688 INFO L134 CoverageAnalysis]: Checked inductivity of 690 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 345 trivial. 0 not checked. [2022-10-17 17:02:30,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:30,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 61 states and 198 transitions. [2022-10-17 17:02:30,925 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 198 transitions. [2022-10-17 17:02:30,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2022-10-17 17:02:30,927 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:30,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:30,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:31,393 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 392 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2022-10-17 17:02:31,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:31,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 64 states and 218 transitions. [2022-10-17 17:02:31,631 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 218 transitions. [2022-10-17 17:02:31,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2022-10-17 17:02:31,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:31,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:31,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:32,093 INFO L134 CoverageAnalysis]: Checked inductivity of 884 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 442 trivial. 0 not checked. [2022-10-17 17:02:32,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:32,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 67 states and 239 transitions. [2022-10-17 17:02:32,341 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 239 transitions. [2022-10-17 17:02:32,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-17 17:02:32,343 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:32,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:32,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:32,840 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 495 refuted. 0 times theorem prover too weak. 495 trivial. 0 not checked. [2022-10-17 17:02:33,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:33,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 70 states and 261 transitions. [2022-10-17 17:02:33,130 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 261 transitions. [2022-10-17 17:02:33,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-10-17 17:02:33,131 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:33,131 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:33,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:33,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1102 backedges. 0 proven. 551 refuted. 0 times theorem prover too weak. 551 trivial. 0 not checked. [2022-10-17 17:02:33,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:02:33,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 73 states and 284 transitions. [2022-10-17 17:02:33,911 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 284 transitions. [2022-10-17 17:02:33,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2022-10-17 17:02:33,913 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:02:33,913 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:02:33,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:02:39,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1220 backedges. 513 proven. 173 refuted. 0 times theorem prover too weak. 534 trivial. 0 not checked.