./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label52.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d54912-1f6b-454d-a89c-22f2d995af2d/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d54912-1f6b-454d-a89c-22f2d995af2d/bin/ukojak-rkRKPMF4O4/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d54912-1f6b-454d-a89c-22f2d995af2d/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d54912-1f6b-454d-a89c-22f2d995af2d/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label52.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d54912-1f6b-454d-a89c-22f2d995af2d/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d54912-1f6b-454d-a89c-22f2d995af2d/bin/ukojak-rkRKPMF4O4 --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 154ac9acbf8e778ffeff948005b87fc69e3c98abb9ee270449be2709279a3946 --- 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-2329fc7 [2022-12-14 17:55:05,060 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-14 17:55:05,061 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-14 17:55:05,078 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-14 17:55:05,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-14 17:55:05,080 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-14 17:55:05,081 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-14 17:55:05,082 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-14 17:55:05,083 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-14 17:55:05,084 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-14 17:55:05,085 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-14 17:55:05,086 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-14 17:55:05,087 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-14 17:55:05,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-14 17:55:05,088 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-14 17:55:05,089 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-14 17:55:05,090 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-14 17:55:05,091 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-14 17:55:05,092 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-14 17:55:05,094 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-14 17:55:05,095 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-14 17:55:05,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-14 17:55:05,097 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-14 17:55:05,098 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-14 17:55:05,100 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-14 17:55:05,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-14 17:55:05,101 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-14 17:55:05,102 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-14 17:55:05,102 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-14 17:55:05,103 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-14 17:55:05,103 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-14 17:55:05,104 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-14 17:55:05,104 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-14 17:55:05,105 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-14 17:55:05,106 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-14 17:55:05,106 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-14 17:55:05,107 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-14 17:55:05,107 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-14 17:55:05,107 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-14 17:55:05,108 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-14 17:55:05,108 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-14 17:55:05,109 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d54912-1f6b-454d-a89c-22f2d995af2d/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-14 17:55:05,125 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-14 17:55:05,125 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-14 17:55:05,133 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-14 17:55:05,134 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-14 17:55:05,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-14 17:55:05,135 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-14 17:55:05,135 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-14 17:55:05,135 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-14 17:55:05,135 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-14 17:55:05,135 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-14 17:55:05,135 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-14 17:55:05,136 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-14 17:55:05,136 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-14 17:55:05,136 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-14 17:55:05,136 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-14 17:55:05,136 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-14 17:55:05,136 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-14 17:55:05,137 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-14 17:55:05,137 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-14 17:55:05,137 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-14 17:55:05,137 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-14 17:55:05,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 17:55:05,138 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-14 17:55:05,138 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-14 17:55:05,138 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-14 17:55:05,138 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-14 17:55:05,138 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-14 17:55:05,138 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-14 17:55:05,139 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_e2d54912-1f6b-454d-a89c-22f2d995af2d/bin/ukojak-rkRKPMF4O4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d54912-1f6b-454d-a89c-22f2d995af2d/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 154ac9acbf8e778ffeff948005b87fc69e3c98abb9ee270449be2709279a3946 [2022-12-14 17:55:05,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-14 17:55:05,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-14 17:55:05,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-14 17:55:05,371 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-14 17:55:05,371 INFO L275 PluginConnector]: CDTParser initialized [2022-12-14 17:55:05,372 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d54912-1f6b-454d-a89c-22f2d995af2d/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem02_label52.c [2022-12-14 17:55:07,889 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-14 17:55:08,089 INFO L351 CDTParser]: Found 1 translation units. [2022-12-14 17:55:08,090 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d54912-1f6b-454d-a89c-22f2d995af2d/sv-benchmarks/c/eca-rers2012/Problem02_label52.c [2022-12-14 17:55:08,098 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d54912-1f6b-454d-a89c-22f2d995af2d/bin/ukojak-rkRKPMF4O4/data/52d225899/95d43ed35b24420b8f278d5b20ad5a92/FLAG2b90fc6a2 [2022-12-14 17:55:08,460 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d54912-1f6b-454d-a89c-22f2d995af2d/bin/ukojak-rkRKPMF4O4/data/52d225899/95d43ed35b24420b8f278d5b20ad5a92 [2022-12-14 17:55:08,463 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-14 17:55:08,464 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-14 17:55:08,465 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-14 17:55:08,465 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-14 17:55:08,468 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-14 17:55:08,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:55:08" (1/1) ... [2022-12-14 17:55:08,469 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42733280 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:08, skipping insertion in model container [2022-12-14 17:55:08,469 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 05:55:08" (1/1) ... [2022-12-14 17:55:08,475 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-14 17:55:08,516 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-14 17:55:08,708 WARN L237 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_e2d54912-1f6b-454d-a89c-22f2d995af2d/sv-benchmarks/c/eca-rers2012/Problem02_label52.c[17244,17257] [2022-12-14 17:55:08,729 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 17:55:08,737 INFO L203 MainTranslator]: Completed pre-run [2022-12-14 17:55:08,790 WARN L237 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_e2d54912-1f6b-454d-a89c-22f2d995af2d/sv-benchmarks/c/eca-rers2012/Problem02_label52.c[17244,17257] [2022-12-14 17:55:08,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-14 17:55:08,808 INFO L208 MainTranslator]: Completed translation [2022-12-14 17:55:08,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:08 WrapperNode [2022-12-14 17:55:08,808 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-14 17:55:08,809 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-14 17:55:08,809 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-14 17:55:08,809 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-14 17:55:08,814 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:08" (1/1) ... [2022-12-14 17:55:08,825 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:08" (1/1) ... [2022-12-14 17:55:08,869 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 668 [2022-12-14 17:55:08,869 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-14 17:55:08,869 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-14 17:55:08,869 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-14 17:55:08,870 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-14 17:55:08,876 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:08" (1/1) ... [2022-12-14 17:55:08,876 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:08" (1/1) ... [2022-12-14 17:55:08,881 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:08" (1/1) ... [2022-12-14 17:55:08,881 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:08" (1/1) ... [2022-12-14 17:55:08,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:08" (1/1) ... [2022-12-14 17:55:08,915 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:08" (1/1) ... [2022-12-14 17:55:08,924 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:08" (1/1) ... [2022-12-14 17:55:08,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:08" (1/1) ... [2022-12-14 17:55:08,933 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-14 17:55:08,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-14 17:55:08,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-14 17:55:08,934 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-14 17:55:08,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 05:55:08" (1/1) ... [2022-12-14 17:55:08,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-14 17:55:08,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d54912-1f6b-454d-a89c-22f2d995af2d/bin/ukojak-rkRKPMF4O4/z3 [2022-12-14 17:55:08,956 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d54912-1f6b-454d-a89c-22f2d995af2d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-14 17:55:08,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d54912-1f6b-454d-a89c-22f2d995af2d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-14 17:55:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-14 17:55:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-14 17:55:08,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-14 17:55:08,992 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-14 17:55:09,055 INFO L235 CfgBuilder]: Building ICFG [2022-12-14 17:55:09,057 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-14 17:55:09,753 INFO L276 CfgBuilder]: Performing block encoding [2022-12-14 17:55:09,902 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-14 17:55:09,902 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-14 17:55:09,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:55:09 BoogieIcfgContainer [2022-12-14 17:55:09,904 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-14 17:55:09,905 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-14 17:55:09,905 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-14 17:55:09,912 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-14 17:55:09,913 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:55:09" (1/1) ... [2022-12-14 17:55:09,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-14 17:55:09,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:09,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2022-12-14 17:55:09,960 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2022-12-14 17:55:09,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2022-12-14 17:55:09,964 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:09,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:10,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:10,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:10,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:10,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 163 states and 250 transitions. [2022-12-14 17:55:10,738 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 250 transitions. [2022-12-14 17:55:10,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2022-12-14 17:55:10,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:10,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:10,850 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:11,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:11,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 242 states and 332 transitions. [2022-12-14 17:55:11,374 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 332 transitions. [2022-12-14 17:55:11,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2022-12-14 17:55:11,376 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:11,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:11,451 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:11,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:11,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 251 states and 343 transitions. [2022-12-14 17:55:11,524 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 343 transitions. [2022-12-14 17:55:11,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2022-12-14 17:55:11,526 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:11,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:11,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:11,595 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:11,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:11,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 256 states and 348 transitions. [2022-12-14 17:55:11,638 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 348 transitions. [2022-12-14 17:55:11,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-12-14 17:55:11,640 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:11,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:11,710 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 17:55:11,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:11,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 270 states and 364 transitions. [2022-12-14 17:55:11,851 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 364 transitions. [2022-12-14 17:55:11,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-12-14 17:55:11,852 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:11,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:11,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:11,915 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:11,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:11,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 277 states and 371 transitions. [2022-12-14 17:55:11,960 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 371 transitions. [2022-12-14 17:55:11,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-12-14 17:55:11,961 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:11,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:11,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:12,002 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:12,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:12,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 283 states and 377 transitions. [2022-12-14 17:55:12,038 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 377 transitions. [2022-12-14 17:55:12,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2022-12-14 17:55:12,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:12,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:12,095 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:12,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:12,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 307 states and 404 transitions. [2022-12-14 17:55:12,296 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 404 transitions. [2022-12-14 17:55:12,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2022-12-14 17:55:12,299 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:12,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:12,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:12,401 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:13,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:13,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 386 states and 495 transitions. [2022-12-14 17:55:13,160 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 495 transitions. [2022-12-14 17:55:13,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-12-14 17:55:13,161 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:13,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:13,234 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:13,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:13,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 410 states and 522 transitions. [2022-12-14 17:55:13,461 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 522 transitions. [2022-12-14 17:55:13,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-12-14 17:55:13,463 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:13,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:13,549 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-12-14 17:55:13,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:13,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 428 states and 542 transitions. [2022-12-14 17:55:13,673 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 542 transitions. [2022-12-14 17:55:13,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2022-12-14 17:55:13,674 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:13,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:13,727 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:13,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:13,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 442 states and 557 transitions. [2022-12-14 17:55:13,839 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 557 transitions. [2022-12-14 17:55:13,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-12-14 17:55:13,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:13,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:13,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:13,889 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:13,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:13,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 564 states to 449 states and 564 transitions. [2022-12-14 17:55:13,930 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 564 transitions. [2022-12-14 17:55:13,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2022-12-14 17:55:13,932 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:13,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:13,992 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-12-14 17:55:14,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:14,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 455 states and 572 transitions. [2022-12-14 17:55:14,133 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 572 transitions. [2022-12-14 17:55:14,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2022-12-14 17:55:14,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:14,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:14,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:14,198 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:14,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:14,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 462 states and 579 transitions. [2022-12-14 17:55:14,233 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 579 transitions. [2022-12-14 17:55:14,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2022-12-14 17:55:14,234 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:14,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:14,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:14,297 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 17:55:14,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:14,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 476 states and 597 transitions. [2022-12-14 17:55:14,457 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 597 transitions. [2022-12-14 17:55:14,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-12-14 17:55:14,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:14,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:14,499 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 17:55:14,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:14,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 491 states and 615 transitions. [2022-12-14 17:55:14,743 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 615 transitions. [2022-12-14 17:55:14,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2022-12-14 17:55:14,744 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:14,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:14,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:14,791 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 17:55:14,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:14,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 522 states and 648 transitions. [2022-12-14 17:55:14,968 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 648 transitions. [2022-12-14 17:55:14,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2022-12-14 17:55:14,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:14,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:14,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:15,040 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 17:55:15,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:15,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 532 states and 659 transitions. [2022-12-14 17:55:15,160 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 659 transitions. [2022-12-14 17:55:15,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-12-14 17:55:15,162 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:15,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:15,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:15,220 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-12-14 17:55:15,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:15,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 535 states and 662 transitions. [2022-12-14 17:55:15,258 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 662 transitions. [2022-12-14 17:55:15,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2022-12-14 17:55:15,259 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:15,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:15,349 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:15,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:15,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 614 states and 747 transitions. [2022-12-14 17:55:15,753 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 747 transitions. [2022-12-14 17:55:15,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2022-12-14 17:55:15,754 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:15,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:15,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:15,818 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 17:55:15,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:15,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 631 states and 763 transitions. [2022-12-14 17:55:15,921 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 763 transitions. [2022-12-14 17:55:15,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2022-12-14 17:55:15,921 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:15,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:15,961 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 17:55:16,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:16,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 662 states and 801 transitions. [2022-12-14 17:55:16,338 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 801 transitions. [2022-12-14 17:55:16,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-12-14 17:55:16,339 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:16,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:16,383 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 17:55:16,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:16,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 686 states and 827 transitions. [2022-12-14 17:55:16,590 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 827 transitions. [2022-12-14 17:55:16,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2022-12-14 17:55:16,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:16,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:16,657 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-12-14 17:55:16,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:16,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 695 states and 837 transitions. [2022-12-14 17:55:16,793 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 837 transitions. [2022-12-14 17:55:16,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2022-12-14 17:55:16,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:16,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:16,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:16,892 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 17:55:17,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:17,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 746 states and 895 transitions. [2022-12-14 17:55:17,277 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 895 transitions. [2022-12-14 17:55:17,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2022-12-14 17:55:17,279 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:17,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:17,342 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-12-14 17:55:17,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:17,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 749 states and 898 transitions. [2022-12-14 17:55:17,384 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 898 transitions. [2022-12-14 17:55:17,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2022-12-14 17:55:17,385 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:17,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:17,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:17,433 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2022-12-14 17:55:17,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:17,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 775 states and 929 transitions. [2022-12-14 17:55:17,790 INFO L276 IsEmpty]: Start isEmpty. Operand 775 states and 929 transitions. [2022-12-14 17:55:17,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-12-14 17:55:17,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:17,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:17,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:17,851 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 17:55:18,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:18,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 806 states and 963 transitions. [2022-12-14 17:55:18,074 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 963 transitions. [2022-12-14 17:55:18,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-12-14 17:55:18,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:18,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:18,152 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 17:55:18,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:18,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 979 states to 823 states and 979 transitions. [2022-12-14 17:55:18,320 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 979 transitions. [2022-12-14 17:55:18,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2022-12-14 17:55:18,321 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:18,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:18,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:18,371 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 17:55:18,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:18,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 830 states and 986 transitions. [2022-12-14 17:55:18,458 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 986 transitions. [2022-12-14 17:55:18,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2022-12-14 17:55:18,458 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:18,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:18,518 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 101 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:19,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:19,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 873 states and 1034 transitions. [2022-12-14 17:55:19,066 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1034 transitions. [2022-12-14 17:55:19,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-12-14 17:55:19,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:19,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:19,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:19,119 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 17:55:19,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:19,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 907 states and 1070 transitions. [2022-12-14 17:55:19,412 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1070 transitions. [2022-12-14 17:55:19,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-12-14 17:55:19,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:19,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:19,470 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2022-12-14 17:55:19,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:19,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1086 states to 924 states and 1086 transitions. [2022-12-14 17:55:19,621 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1086 transitions. [2022-12-14 17:55:19,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2022-12-14 17:55:19,625 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:19,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:19,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:19,668 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2022-12-14 17:55:19,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:19,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 933 states and 1095 transitions. [2022-12-14 17:55:19,723 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1095 transitions. [2022-12-14 17:55:19,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2022-12-14 17:55:19,724 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:19,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:19,776 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2022-12-14 17:55:20,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:20,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1134 states to 970 states and 1134 transitions. [2022-12-14 17:55:20,134 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1134 transitions. [2022-12-14 17:55:20,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2022-12-14 17:55:20,135 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:20,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:20,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:20,199 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2022-12-14 17:55:20,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:20,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 972 states and 1137 transitions. [2022-12-14 17:55:20,316 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1137 transitions. [2022-12-14 17:55:20,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2022-12-14 17:55:20,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:20,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:20,396 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-12-14 17:55:20,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:20,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1137 states to 973 states and 1137 transitions. [2022-12-14 17:55:20,485 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1137 transitions. [2022-12-14 17:55:20,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2022-12-14 17:55:20,486 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:20,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:20,537 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:21,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:21,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 999 states and 1166 transitions. [2022-12-14 17:55:21,016 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1166 transitions. [2022-12-14 17:55:21,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2022-12-14 17:55:21,016 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:21,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:21,121 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-12-14 17:55:21,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:21,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1166 states to 1000 states and 1166 transitions. [2022-12-14 17:55:21,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1166 transitions. [2022-12-14 17:55:21,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2022-12-14 17:55:21,172 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:21,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:21,497 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-12-14 17:55:22,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:22,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1243 states to 1069 states and 1243 transitions. [2022-12-14 17:55:22,362 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1243 transitions. [2022-12-14 17:55:22,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2022-12-14 17:55:22,363 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:22,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:22,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:22,413 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 140 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2022-12-14 17:55:22,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:22,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1256 states to 1082 states and 1256 transitions. [2022-12-14 17:55:22,550 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1256 transitions. [2022-12-14 17:55:22,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2022-12-14 17:55:22,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:22,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:22,615 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2022-12-14 17:55:23,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:23,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1167 states and 1349 transitions. [2022-12-14 17:55:23,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1349 transitions. [2022-12-14 17:55:23,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2022-12-14 17:55:23,548 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:23,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:23,862 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-12-14 17:55:24,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:24,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1426 states to 1238 states and 1426 transitions. [2022-12-14 17:55:24,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 1426 transitions. [2022-12-14 17:55:24,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2022-12-14 17:55:24,795 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:24,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:24,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:24,847 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-12-14 17:55:25,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:25,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 1271 states and 1463 transitions. [2022-12-14 17:55:25,260 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 1463 transitions. [2022-12-14 17:55:25,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2022-12-14 17:55:25,262 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:25,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:25,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:25,335 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2022-12-14 17:55:25,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:25,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 1272 states and 1463 transitions. [2022-12-14 17:55:25,376 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1463 transitions. [2022-12-14 17:55:25,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2022-12-14 17:55:25,378 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:25,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:25,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:25,612 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 212 proven. 10 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-12-14 17:55:26,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:26,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1354 states and 1556 transitions. [2022-12-14 17:55:26,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1556 transitions. [2022-12-14 17:55:26,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-12-14 17:55:26,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:26,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:26,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:26,611 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 183 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:26,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:26,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 1384 states and 1587 transitions. [2022-12-14 17:55:26,974 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 1587 transitions. [2022-12-14 17:55:26,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2022-12-14 17:55:26,975 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:26,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:27,072 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 183 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-14 17:55:27,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:27,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1397 states and 1599 transitions. [2022-12-14 17:55:27,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 1599 transitions. [2022-12-14 17:55:27,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2022-12-14 17:55:27,216 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:27,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:27,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:27,281 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 209 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2022-12-14 17:55:27,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:27,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1440 states and 1646 transitions. [2022-12-14 17:55:27,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 1646 transitions. [2022-12-14 17:55:27,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-12-14 17:55:27,579 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:27,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:27,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:27,810 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-12-14 17:55:28,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:28,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 1518 states and 1727 transitions. [2022-12-14 17:55:28,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 1727 transitions. [2022-12-14 17:55:28,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2022-12-14 17:55:28,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:28,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:28,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:28,723 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 220 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-12-14 17:55:29,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:29,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1729 states to 1521 states and 1729 transitions. [2022-12-14 17:55:29,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 1729 transitions. [2022-12-14 17:55:29,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2022-12-14 17:55:29,024 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:29,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:29,310 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 167 proven. 4 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-12-14 17:55:29,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:29,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1751 states to 1540 states and 1751 transitions. [2022-12-14 17:55:29,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 1751 transitions. [2022-12-14 17:55:29,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2022-12-14 17:55:29,969 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:29,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:30,033 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2022-12-14 17:55:30,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:30,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 1548 states and 1759 transitions. [2022-12-14 17:55:30,149 INFO L276 IsEmpty]: Start isEmpty. Operand 1548 states and 1759 transitions. [2022-12-14 17:55:30,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-12-14 17:55:30,151 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:30,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:30,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:30,507 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 310 proven. 16 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-12-14 17:55:32,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:32,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1894 states to 1674 states and 1894 transitions. [2022-12-14 17:55:32,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1674 states and 1894 transitions. [2022-12-14 17:55:32,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2022-12-14 17:55:32,327 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:32,327 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:32,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:32,577 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 310 proven. 16 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-12-14 17:55:33,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:33,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1913 states to 1694 states and 1913 transitions. [2022-12-14 17:55:33,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1694 states and 1913 transitions. [2022-12-14 17:55:33,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2022-12-14 17:55:33,033 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:33,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:33,099 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-12-14 17:55:33,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:33,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1927 states to 1705 states and 1927 transitions. [2022-12-14 17:55:33,360 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 1927 transitions. [2022-12-14 17:55:33,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2022-12-14 17:55:33,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:33,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:33,433 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2022-12-14 17:55:33,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:33,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1935 states to 1713 states and 1935 transitions. [2022-12-14 17:55:33,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 1935 transitions. [2022-12-14 17:55:33,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-12-14 17:55:33,711 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:33,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:33,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:34,229 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 358 proven. 58 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-12-14 17:55:35,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:35,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2018 states to 1789 states and 2018 transitions. [2022-12-14 17:55:35,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1789 states and 2018 transitions. [2022-12-14 17:55:35,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-12-14 17:55:35,720 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:35,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:35,960 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 358 proven. 58 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2022-12-14 17:55:36,486 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:36,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2050 states to 1822 states and 2050 transitions. [2022-12-14 17:55:36,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1822 states and 2050 transitions. [2022-12-14 17:55:36,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-12-14 17:55:36,489 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:36,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:36,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:36,634 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 353 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2022-12-14 17:55:36,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:36,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2052 states to 1825 states and 2052 transitions. [2022-12-14 17:55:36,940 INFO L276 IsEmpty]: Start isEmpty. Operand 1825 states and 2052 transitions. [2022-12-14 17:55:36,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2022-12-14 17:55:36,942 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:36,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:37,026 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 353 proven. 0 refuted. 0 times theorem prover too weak. 137 trivial. 0 not checked. [2022-12-14 17:55:37,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:37,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2054 states to 1828 states and 2054 transitions. [2022-12-14 17:55:37,290 INFO L276 IsEmpty]: Start isEmpty. Operand 1828 states and 2054 transitions. [2022-12-14 17:55:37,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2022-12-14 17:55:37,293 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:37,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:37,403 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-12-14 17:55:37,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:37,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2107 states to 1879 states and 2107 transitions. [2022-12-14 17:55:37,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 2107 transitions. [2022-12-14 17:55:37,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2022-12-14 17:55:37,870 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:37,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:37,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:37,945 INFO L134 CoverageAnalysis]: Checked inductivity of 509 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2022-12-14 17:55:38,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:38,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2141 states to 1911 states and 2141 transitions. [2022-12-14 17:55:38,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1911 states and 2141 transitions. [2022-12-14 17:55:38,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2022-12-14 17:55:38,331 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-14 17:55:38,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-14 17:55:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-14 17:55:38,421 INFO L134 CoverageAnalysis]: Checked inductivity of 483 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2022-12-14 17:55:38,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-14 17:55:38,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1774 states to 1581 states and 1774 transitions. [2022-12-14 17:55:38,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 1774 transitions. [2022-12-14 17:55:38,933 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-14 17:55:38,934 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 66 iterations. [2022-12-14 17:55:38,940 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-12-14 17:55:43,890 INFO L560 CodeCheckObserver]: Invariant with dag size 25 [2022-12-14 17:55:43,898 INFO L560 CodeCheckObserver]: Invariant with dag size 25 [2022-12-14 17:55:43,898 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-12-14 17:55:43,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 14.12 05:55:43 ImpRootNode [2022-12-14 17:55:43,899 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-12-14 17:55:43,899 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-14 17:55:43,899 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-14 17:55:43,899 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-14 17:55:43,899 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 05:55:09" (3/4) ... [2022-12-14 17:55:43,902 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-14 17:55:43,912 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 116 nodes and edges [2022-12-14 17:55:43,913 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-12-14 17:55:43,913 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2022-12-14 17:55:43,914 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2022-12-14 17:55:43,975 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d54912-1f6b-454d-a89c-22f2d995af2d/bin/ukojak-rkRKPMF4O4/witness.graphml [2022-12-14 17:55:43,976 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-14 17:55:43,976 INFO L158 Benchmark]: Toolchain (without parser) took 35512.03ms. Allocated memory was 127.9MB in the beginning and 564.1MB in the end (delta: 436.2MB). Free memory was 91.8MB in the beginning and 276.3MB in the end (delta: -184.5MB). Peak memory consumption was 252.3MB. Max. memory is 16.1GB. [2022-12-14 17:55:43,976 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 127.9MB. Free memory is still 98.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-14 17:55:43,976 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.49ms. Allocated memory is still 127.9MB. Free memory was 91.5MB in the beginning and 65.4MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2022-12-14 17:55:43,977 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.04ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 65.4MB in the beginning and 124.0MB in the end (delta: -58.6MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. [2022-12-14 17:55:43,977 INFO L158 Benchmark]: Boogie Preprocessor took 63.35ms. Allocated memory is still 155.2MB. Free memory was 124.0MB in the beginning and 119.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-14 17:55:43,977 INFO L158 Benchmark]: RCFGBuilder took 971.23ms. Allocated memory is still 155.2MB. Free memory was 119.8MB in the beginning and 90.5MB in the end (delta: 29.3MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. [2022-12-14 17:55:43,977 INFO L158 Benchmark]: CodeCheck took 33993.64ms. Allocated memory was 155.2MB in the beginning and 564.1MB in the end (delta: 408.9MB). Free memory was 90.5MB in the beginning and 286.8MB in the end (delta: -196.2MB). Peak memory consumption was 325.8MB. Max. memory is 16.1GB. [2022-12-14 17:55:43,977 INFO L158 Benchmark]: Witness Printer took 76.57ms. Allocated memory is still 564.1MB. Free memory was 286.8MB in the beginning and 276.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-12-14 17:55:43,978 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 29.0s, OverallIterations: 66, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 119131 SdHoareTripleChecker+Valid, 213.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 118554 mSDsluCounter, 15383 SdHoareTripleChecker+Invalid, 182.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12902 mSDsCounter, 35481 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 264287 IncrementalHoareTripleChecker+Invalid, 299768 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35481 mSolverCounterUnsat, 2481 mSDtfsCounter, 264287 mSolverCounterSat, 1.9s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 77459 GetRequests, 76400 SyntacticMatches, 617 SemanticMatches, 442 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102611 ImplicationChecksByTransitivity, 13.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.3s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 11609 NumberOfCodeBlocks, 11609 NumberOfCodeBlocksAsserted, 65 NumberOfCheckSat, 11544 ConstructedInterpolants, 0 QuantifiedInterpolants, 35019 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 65 InterpolantComputations, 56 PerfectInterpolantSequences, 10727/11009 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 494]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((10 <= a28 || ((((a25 == 1 && !(a19 == 1)) && a21 == 1) && 7 == a17) && a28 == 9)) || (((a17 == 8 && a21 == 1) && a19 == 1) && a28 == 9)) || !(a11 == 1)) || a28 <= 7 - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((10 <= a28 || ((((a25 == 1 && !(a19 == 1)) && a21 == 1) && 7 == a17) && a28 == 9)) || (((a17 == 8 && a21 == 1) && a19 == 1) && a28 == 9)) || !(a11 == 1)) || a28 <= 7 - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 127.9MB. Free memory is still 98.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 343.49ms. Allocated memory is still 127.9MB. Free memory was 91.5MB in the beginning and 65.4MB in the end (delta: 26.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.04ms. Allocated memory was 127.9MB in the beginning and 155.2MB in the end (delta: 27.3MB). Free memory was 65.4MB in the beginning and 124.0MB in the end (delta: -58.6MB). Peak memory consumption was 15.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.35ms. Allocated memory is still 155.2MB. Free memory was 124.0MB in the beginning and 119.8MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 971.23ms. Allocated memory is still 155.2MB. Free memory was 119.8MB in the beginning and 90.5MB in the end (delta: 29.3MB). Peak memory consumption was 51.8MB. Max. memory is 16.1GB. * CodeCheck took 33993.64ms. Allocated memory was 155.2MB in the beginning and 564.1MB in the end (delta: 408.9MB). Free memory was 90.5MB in the beginning and 286.8MB in the end (delta: -196.2MB). Peak memory consumption was 325.8MB. Max. memory is 16.1GB. * Witness Printer took 76.57ms. Allocated memory is still 564.1MB. Free memory was 286.8MB in the beginning and 276.3MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-12-14 17:55:43,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e2d54912-1f6b-454d-a89c-22f2d995af2d/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE