./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem07_label20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56ecdedb-8a11-4b00-8915-77a44c611fc8/bin/ukojak-rkRKPMF4O4/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56ecdedb-8a11-4b00-8915-77a44c611fc8/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_56ecdedb-8a11-4b00-8915-77a44c611fc8/bin/ukojak-rkRKPMF4O4/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56ecdedb-8a11-4b00-8915-77a44c611fc8/bin/ukojak-rkRKPMF4O4/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56ecdedb-8a11-4b00-8915-77a44c611fc8/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_56ecdedb-8a11-4b00-8915-77a44c611fc8/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 45bf9d414a75e827d4f973e19b575c252ef631a691b24da068436d7dc51d31e5 --- 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 [2022-12-15 02:49:40,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-15 02:49:40,892 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-15 02:49:40,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-15 02:49:40,905 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-15 02:49:40,906 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-15 02:49:40,907 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-15 02:49:40,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-15 02:49:40,909 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-15 02:49:40,909 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-15 02:49:40,910 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-15 02:49:40,911 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-15 02:49:40,911 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-15 02:49:40,912 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-15 02:49:40,912 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-15 02:49:40,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-15 02:49:40,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-15 02:49:40,914 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-15 02:49:40,915 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-15 02:49:40,916 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-15 02:49:40,917 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-15 02:49:40,918 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-15 02:49:40,919 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-15 02:49:40,920 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-15 02:49:40,922 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-15 02:49:40,922 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-15 02:49:40,922 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-15 02:49:40,923 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-15 02:49:40,923 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-15 02:49:40,924 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-15 02:49:40,924 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-15 02:49:40,925 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-15 02:49:40,925 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-15 02:49:40,926 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-15 02:49:40,926 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-15 02:49:40,926 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-15 02:49:40,927 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-15 02:49:40,927 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-15 02:49:40,927 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-15 02:49:40,928 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-15 02:49:40,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-15 02:49:40,929 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56ecdedb-8a11-4b00-8915-77a44c611fc8/bin/ukojak-rkRKPMF4O4/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-12-15 02:49:40,942 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-15 02:49:40,943 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-15 02:49:40,943 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-15 02:49:40,943 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-12-15 02:49:40,944 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-15 02:49:40,944 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-15 02:49:40,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-15 02:49:40,944 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-15 02:49:40,945 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-15 02:49:40,945 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-15 02:49:40,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-15 02:49:40,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-15 02:49:40,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-15 02:49:40,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-15 02:49:40,945 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-15 02:49:40,946 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-15 02:49:40,946 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-15 02:49:40,946 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-15 02:49:40,946 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-12-15 02:49:40,946 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-12-15 02:49:40,946 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-15 02:49:40,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:49:40,947 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-15 02:49:40,947 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-15 02:49:40,947 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-15 02:49:40,947 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-12-15 02:49:40,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-15 02:49:40,947 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-15 02:49:40,948 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_56ecdedb-8a11-4b00-8915-77a44c611fc8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56ecdedb-8a11-4b00-8915-77a44c611fc8/bin/ukojak-rkRKPMF4O4 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 45bf9d414a75e827d4f973e19b575c252ef631a691b24da068436d7dc51d31e5 [2022-12-15 02:49:41,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-15 02:49:41,130 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-15 02:49:41,133 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-15 02:49:41,134 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-15 02:49:41,134 INFO L275 PluginConnector]: CDTParser initialized [2022-12-15 02:49:41,135 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56ecdedb-8a11-4b00-8915-77a44c611fc8/bin/ukojak-rkRKPMF4O4/../../sv-benchmarks/c/eca-rers2012/Problem07_label20.c [2022-12-15 02:49:43,774 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-15 02:49:44,751 INFO L351 CDTParser]: Found 1 translation units. [2022-12-15 02:49:44,751 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56ecdedb-8a11-4b00-8915-77a44c611fc8/sv-benchmarks/c/eca-rers2012/Problem07_label20.c [2022-12-15 02:49:44,887 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56ecdedb-8a11-4b00-8915-77a44c611fc8/bin/ukojak-rkRKPMF4O4/data/bb34323b0/98f40658db6742068ab77dca9491008f/FLAG3c666fbd3 [2022-12-15 02:49:44,899 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56ecdedb-8a11-4b00-8915-77a44c611fc8/bin/ukojak-rkRKPMF4O4/data/bb34323b0/98f40658db6742068ab77dca9491008f [2022-12-15 02:49:44,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-15 02:49:44,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-15 02:49:44,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-15 02:49:44,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-15 02:49:44,906 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-15 02:49:44,906 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:49:44" (1/1) ... [2022-12-15 02:49:44,907 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9773d4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:49:44, skipping insertion in model container [2022-12-15 02:49:44,907 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.12 02:49:44" (1/1) ... [2022-12-15 02:49:44,913 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-15 02:49:45,491 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-15 02:49:55,112 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_56ecdedb-8a11-4b00-8915-77a44c611fc8/sv-benchmarks/c/eca-rers2012/Problem07_label20.c[2769329,2769342] [2022-12-15 02:49:55,176 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:49:55,184 INFO L203 MainTranslator]: Completed pre-run [2022-12-15 02:50:01,031 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_56ecdedb-8a11-4b00-8915-77a44c611fc8/sv-benchmarks/c/eca-rers2012/Problem07_label20.c[2769329,2769342] [2022-12-15 02:50:01,039 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-15 02:50:01,635 INFO L208 MainTranslator]: Completed translation [2022-12-15 02:50:01,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:01 WrapperNode [2022-12-15 02:50:01,636 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-15 02:50:01,636 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-15 02:50:01,636 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-15 02:50:01,637 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-15 02:50:01,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:01" (1/1) ... [2022-12-15 02:50:01,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:01" (1/1) ... [2022-12-15 02:50:03,128 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83773 [2022-12-15 02:50:03,129 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-15 02:50:03,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-15 02:50:03,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-15 02:50:03,129 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-15 02:50:03,139 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:01" (1/1) ... [2022-12-15 02:50:03,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:01" (1/1) ... [2022-12-15 02:50:03,414 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:01" (1/1) ... [2022-12-15 02:50:03,415 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:01" (1/1) ... [2022-12-15 02:50:04,106 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:01" (1/1) ... [2022-12-15 02:50:04,206 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:01" (1/1) ... [2022-12-15 02:50:04,302 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:01" (1/1) ... [2022-12-15 02:50:04,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:01" (1/1) ... [2022-12-15 02:50:04,625 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-15 02:50:04,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-15 02:50:04,626 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-15 02:50:04,626 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-15 02:50:04,627 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.12 02:50:01" (1/1) ... [2022-12-15 02:50:04,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-12-15 02:50:04,642 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56ecdedb-8a11-4b00-8915-77a44c611fc8/bin/ukojak-rkRKPMF4O4/z3 [2022-12-15 02:50:04,654 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56ecdedb-8a11-4b00-8915-77a44c611fc8/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-12-15 02:50:04,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_56ecdedb-8a11-4b00-8915-77a44c611fc8/bin/ukojak-rkRKPMF4O4/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-12-15 02:50:04,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-15 02:50:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-15 02:50:04,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-15 02:50:04,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-15 02:50:04,792 INFO L235 CfgBuilder]: Building ICFG [2022-12-15 02:50:04,793 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-15 02:50:34,978 INFO L276 CfgBuilder]: Performing block encoding [2022-12-15 02:50:35,840 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-15 02:50:35,841 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-15 02:50:35,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:50:35 BoogieIcfgContainer [2022-12-15 02:50:35,849 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-15 02:50:35,849 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-12-15 02:50:35,850 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-12-15 02:50:35,856 INFO L275 PluginConnector]: CodeCheck initialized [2022-12-15 02:50:35,857 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.12 02:50:35" (1/1) ... [2022-12-15 02:50:35,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-15 02:50:35,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:50:36,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20217 states to 10135 states and 20217 transitions. [2022-12-15 02:50:36,001 INFO L276 IsEmpty]: Start isEmpty. Operand 10135 states and 20217 transitions. [2022-12-15 02:50:36,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10086 [2022-12-15 02:50:36,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:50:36,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:50:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:51:10,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:51:45,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:51:45,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31170 states to 20218 states and 31170 transitions. [2022-12-15 02:51:45,238 INFO L276 IsEmpty]: Start isEmpty. Operand 20218 states and 31170 transitions. [2022-12-15 02:51:45,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10090 [2022-12-15 02:51:45,666 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:51:45,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:51:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:52:06,388 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:52:07,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:52:07,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31175 states to 20221 states and 31175 transitions. [2022-12-15 02:52:07,066 INFO L276 IsEmpty]: Start isEmpty. Operand 20221 states and 31175 transitions. [2022-12-15 02:52:07,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10093 [2022-12-15 02:52:07,522 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:52:07,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:52:08,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:52:27,438 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:52:28,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:52:28,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31184 states to 20227 states and 31184 transitions. [2022-12-15 02:52:28,139 INFO L276 IsEmpty]: Start isEmpty. Operand 20227 states and 31184 transitions. [2022-12-15 02:52:28,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10102 [2022-12-15 02:52:28,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:52:28,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:52:29,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:52:50,008 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:52:50,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:52:50,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31197 states to 20239 states and 31197 transitions. [2022-12-15 02:52:50,614 INFO L276 IsEmpty]: Start isEmpty. Operand 20239 states and 31197 transitions. [2022-12-15 02:52:51,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10115 [2022-12-15 02:52:51,039 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:52:51,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:52:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:53:11,719 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:53:12,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:53:12,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31229 states to 20267 states and 31229 transitions. [2022-12-15 02:53:12,459 INFO L276 IsEmpty]: Start isEmpty. Operand 20267 states and 31229 transitions. [2022-12-15 02:53:12,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10117 [2022-12-15 02:53:12,890 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:53:12,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:53:13,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:53:34,340 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:53:35,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:53:35,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31255 states to 20291 states and 31255 transitions. [2022-12-15 02:53:35,053 INFO L276 IsEmpty]: Start isEmpty. Operand 20291 states and 31255 transitions. [2022-12-15 02:53:35,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10118 [2022-12-15 02:53:35,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:53:35,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:53:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:53:56,186 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:53:56,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:53:56,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31256 states to 20292 states and 31256 transitions. [2022-12-15 02:53:56,739 INFO L276 IsEmpty]: Start isEmpty. Operand 20292 states and 31256 transitions. [2022-12-15 02:53:57,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10119 [2022-12-15 02:53:57,155 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:53:57,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:53:58,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:54:17,780 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:54:18,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:54:18,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31257 states to 20293 states and 31257 transitions. [2022-12-15 02:54:18,358 INFO L276 IsEmpty]: Start isEmpty. Operand 20293 states and 31257 transitions. [2022-12-15 02:54:18,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10123 [2022-12-15 02:54:18,831 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:54:18,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:54:19,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:54:41,456 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:54:42,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:54:42,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31298 states to 20329 states and 31298 transitions. [2022-12-15 02:54:42,256 INFO L276 IsEmpty]: Start isEmpty. Operand 20329 states and 31298 transitions. [2022-12-15 02:54:42,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10124 [2022-12-15 02:54:42,680 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:54:42,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:54:43,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:55:03,603 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:55:04,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:55:04,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31304 states to 20334 states and 31304 transitions. [2022-12-15 02:55:04,143 INFO L276 IsEmpty]: Start isEmpty. Operand 20334 states and 31304 transitions. [2022-12-15 02:55:04,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10127 [2022-12-15 02:55:04,584 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:55:04,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:55:05,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:55:25,256 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:55:26,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:55:26,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31350 states to 20374 states and 31350 transitions. [2022-12-15 02:55:26,315 INFO L276 IsEmpty]: Start isEmpty. Operand 20374 states and 31350 transitions. [2022-12-15 02:55:26,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10128 [2022-12-15 02:55:26,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:55:26,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:55:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:55:48,289 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:55:49,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:55:49,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31380 states to 20400 states and 31380 transitions. [2022-12-15 02:55:49,163 INFO L276 IsEmpty]: Start isEmpty. Operand 20400 states and 31380 transitions. [2022-12-15 02:55:49,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10129 [2022-12-15 02:55:49,589 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:55:49,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:55:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:56:10,762 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:56:11,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:56:11,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31381 states to 20401 states and 31381 transitions. [2022-12-15 02:56:11,330 INFO L276 IsEmpty]: Start isEmpty. Operand 20401 states and 31381 transitions. [2022-12-15 02:56:11,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10130 [2022-12-15 02:56:11,781 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:56:11,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:56:12,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:56:34,506 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:56:35,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:56:35,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31385 states to 20404 states and 31385 transitions. [2022-12-15 02:56:35,174 INFO L276 IsEmpty]: Start isEmpty. Operand 20404 states and 31385 transitions. [2022-12-15 02:56:35,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10134 [2022-12-15 02:56:35,683 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:56:35,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:56:36,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:56:56,835 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:56:57,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:56:57,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31397 states to 20414 states and 31397 transitions. [2022-12-15 02:56:57,443 INFO L276 IsEmpty]: Start isEmpty. Operand 20414 states and 31397 transitions. [2022-12-15 02:56:57,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10137 [2022-12-15 02:56:57,882 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:56:57,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:56:58,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:57:24,033 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:57:25,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:57:25,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31454 states to 20464 states and 31454 transitions. [2022-12-15 02:57:25,319 INFO L276 IsEmpty]: Start isEmpty. Operand 20464 states and 31454 transitions. [2022-12-15 02:57:25,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10140 [2022-12-15 02:57:25,740 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:57:25,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:57:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:57:46,423 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:57:47,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:57:47,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31515 states to 20517 states and 31515 transitions. [2022-12-15 02:57:47,820 INFO L276 IsEmpty]: Start isEmpty. Operand 20517 states and 31515 transitions. [2022-12-15 02:57:48,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10141 [2022-12-15 02:57:48,229 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:57:48,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:57:49,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:58:11,990 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:58:13,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:58:13,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31578 states to 20571 states and 31578 transitions. [2022-12-15 02:58:13,647 INFO L276 IsEmpty]: Start isEmpty. Operand 20571 states and 31578 transitions. [2022-12-15 02:58:14,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10142 [2022-12-15 02:58:14,141 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:58:14,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:58:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:58:34,948 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:58:35,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:58:35,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31594 states to 20583 states and 31594 transitions. [2022-12-15 02:58:35,935 INFO L276 IsEmpty]: Start isEmpty. Operand 20583 states and 31594 transitions. [2022-12-15 02:58:36,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10143 [2022-12-15 02:58:36,353 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:58:36,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:58:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:58:58,217 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:58:58,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:58:58,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31595 states to 20584 states and 31595 transitions. [2022-12-15 02:58:58,934 INFO L276 IsEmpty]: Start isEmpty. Operand 20584 states and 31595 transitions. [2022-12-15 02:58:59,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10144 [2022-12-15 02:58:59,419 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:58:59,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:59:00,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-15 02:59:20,129 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-15 02:59:21,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-12-15 02:59:21,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31631 states to 20613 states and 31631 transitions. [2022-12-15 02:59:21,366 INFO L276 IsEmpty]: Start isEmpty. Operand 20613 states and 31631 transitions. [2022-12-15 02:59:21,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10152 [2022-12-15 02:59:21,805 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-12-15 02:59:21,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-15 02:59:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat