./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/nested9.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e83477e6-befb-4289-9088-5b0d86bb1cd7/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e83477e6-befb-4289-9088-5b0d86bb1cd7/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e83477e6-befb-4289-9088-5b0d86bb1cd7/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e83477e6-befb-4289-9088-5b0d86bb1cd7/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/nested9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e83477e6-befb-4289-9088-5b0d86bb1cd7/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e83477e6-befb-4289-9088-5b0d86bb1cd7/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f3ca1fd1ad8fdbcd9efe7b99bc6e3715231417d253ce4ee9bba3d5969472333a --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:44:08,341 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:44:08,343 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:44:08,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:44:08,379 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:44:08,380 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:44:08,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:44:08,384 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:44:08,387 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:44:08,388 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:44:08,389 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:44:08,391 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:44:08,391 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:44:08,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:44:08,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:44:08,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:44:08,397 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:44:08,398 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:44:08,400 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:44:08,403 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:44:08,405 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:44:08,407 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:44:08,408 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:44:08,409 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:44:08,414 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:44:08,415 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:44:08,415 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:44:08,416 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:44:08,417 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:44:08,418 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:44:08,419 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:44:08,420 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:44:08,421 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:44:08,422 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:44:08,423 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:44:08,425 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:44:08,426 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:44:08,427 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:44:08,427 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:44:08,428 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:44:08,429 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:44:08,430 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e83477e6-befb-4289-9088-5b0d86bb1cd7/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:44:08,490 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:44:08,494 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:44:08,496 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:44:08,496 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:44:08,497 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:44:08,497 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:44:08,497 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:44:08,498 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:44:08,498 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:44:08,498 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:44:08,499 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:44:08,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:44:08,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:44:08,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:44:08,500 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:44:08,501 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:44:08,501 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:44:08,501 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:44:08,501 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:44:08,502 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:44:08,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:44:08,502 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:44:08,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:44:08,503 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:44:08,503 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:44:08,511 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:44:08,511 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:44:08,511 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:44:08,511 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_e83477e6-befb-4289-9088-5b0d86bb1cd7/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e83477e6-befb-4289-9088-5b0d86bb1cd7/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f3ca1fd1ad8fdbcd9efe7b99bc6e3715231417d253ce4ee9bba3d5969472333a [2022-10-17 16:44:08,738 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:44:08,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:44:08,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:44:08,766 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:44:08,767 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:44:08,768 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e83477e6-befb-4289-9088-5b0d86bb1cd7/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loop-invgen/nested9.i [2022-10-17 16:44:08,839 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e83477e6-befb-4289-9088-5b0d86bb1cd7/bin/ukojak-92XMlrwhuB/data/4cafd34b7/1f8cf359cf294745b57718f360a39295/FLAGb2080c231 [2022-10-17 16:44:09,243 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:44:09,244 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e83477e6-befb-4289-9088-5b0d86bb1cd7/sv-benchmarks/c/loop-invgen/nested9.i [2022-10-17 16:44:09,250 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e83477e6-befb-4289-9088-5b0d86bb1cd7/bin/ukojak-92XMlrwhuB/data/4cafd34b7/1f8cf359cf294745b57718f360a39295/FLAGb2080c231 [2022-10-17 16:44:09,665 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e83477e6-befb-4289-9088-5b0d86bb1cd7/bin/ukojak-92XMlrwhuB/data/4cafd34b7/1f8cf359cf294745b57718f360a39295 [2022-10-17 16:44:09,669 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:44:09,670 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:44:09,672 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:44:09,672 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:44:09,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:44:09,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:44:09" (1/1) ... [2022-10-17 16:44:09,678 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@113b0f4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:09, skipping insertion in model container [2022-10-17 16:44:09,678 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:44:09" (1/1) ... [2022-10-17 16:44:09,685 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:44:09,719 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:44:09,917 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e83477e6-befb-4289-9088-5b0d86bb1cd7/sv-benchmarks/c/loop-invgen/nested9.i[893,906] [2022-10-17 16:44:09,948 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:44:09,958 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:44:09,975 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e83477e6-befb-4289-9088-5b0d86bb1cd7/sv-benchmarks/c/loop-invgen/nested9.i[893,906] [2022-10-17 16:44:09,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:44:09,998 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:44:09,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:09 WrapperNode [2022-10-17 16:44:09,999 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:44:10,000 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:44:10,000 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:44:10,000 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:44:10,008 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:09" (1/1) ... [2022-10-17 16:44:10,015 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:09" (1/1) ... [2022-10-17 16:44:10,049 INFO L138 Inliner]: procedures = 16, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 70 [2022-10-17 16:44:10,049 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:44:10,050 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:44:10,050 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:44:10,050 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:44:10,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:09" (1/1) ... [2022-10-17 16:44:10,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:09" (1/1) ... [2022-10-17 16:44:10,058 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:09" (1/1) ... [2022-10-17 16:44:10,059 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:09" (1/1) ... [2022-10-17 16:44:10,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:09" (1/1) ... [2022-10-17 16:44:10,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:09" (1/1) ... [2022-10-17 16:44:10,067 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:09" (1/1) ... [2022-10-17 16:44:10,068 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:09" (1/1) ... [2022-10-17 16:44:10,070 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:44:10,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:44:10,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:44:10,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:44:10,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:44:09" (1/1) ... [2022-10-17 16:44:10,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:44:10,094 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e83477e6-befb-4289-9088-5b0d86bb1cd7/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:44:10,106 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e83477e6-befb-4289-9088-5b0d86bb1cd7/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:44:10,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e83477e6-befb-4289-9088-5b0d86bb1cd7/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:44:10,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:44:10,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:44:10,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:44:10,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:44:10,201 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:44:10,203 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:44:10,347 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:44:10,377 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:44:10,377 INFO L300 CfgBuilder]: Removed 3 assume(true) statements. [2022-10-17 16:44:10,380 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:44:10 BoogieIcfgContainer [2022-10-17 16:44:10,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:44:10,381 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:44:10,381 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:44:10,392 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:44:10,392 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:44:10" (1/1) ... [2022-10-17 16:44:10,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:44:10,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:10,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2022-10-17 16:44:10,510 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2022-10-17 16:44:10,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:44:10,512 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:10,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:10,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:11,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:11,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:11,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2022-10-17 16:44:11,216 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2022-10-17 16:44:11,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:44:11,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:11,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:11,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:11,519 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:11,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:11,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 22 states and 44 transitions. [2022-10-17 16:44:11,969 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 44 transitions. [2022-10-17 16:44:11,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:44:11,970 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:11,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:11,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:12,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:12,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:12,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 25 states and 51 transitions. [2022-10-17 16:44:12,442 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 51 transitions. [2022-10-17 16:44:12,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:44:12,443 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:12,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:12,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:12,561 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:44:12,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:12,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 27 states and 59 transitions. [2022-10-17 16:44:12,990 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 59 transitions. [2022-10-17 16:44:12,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:44:12,991 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:12,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:13,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:13,089 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:44:13,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:13,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 29 states and 67 transitions. [2022-10-17 16:44:13,568 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 67 transitions. [2022-10-17 16:44:13,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:44:13,569 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:13,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:13,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:13,769 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:15,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:15,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 35 states and 86 transitions. [2022-10-17 16:44:15,278 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 86 transitions. [2022-10-17 16:44:15,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:44:15,280 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:15,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:15,363 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:44:15,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:15,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 36 states and 87 transitions. [2022-10-17 16:44:15,603 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 87 transitions. [2022-10-17 16:44:15,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 16:44:15,604 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:15,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:15,686 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:44:15,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:15,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 37 states and 91 transitions. [2022-10-17 16:44:15,921 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 91 transitions. [2022-10-17 16:44:15,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-10-17 16:44:15,922 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:15,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:15,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:16,121 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 16:44:16,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:16,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 39 states and 94 transitions. [2022-10-17 16:44:16,678 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 94 transitions. [2022-10-17 16:44:16,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:44:16,682 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:16,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:16,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:17,024 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:44:18,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:18,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 44 states and 108 transitions. [2022-10-17 16:44:18,516 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 108 transitions. [2022-10-17 16:44:18,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:44:18,517 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:18,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:18,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:18,691 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:44:20,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:20,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 49 states and 124 transitions. [2022-10-17 16:44:20,340 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 124 transitions. [2022-10-17 16:44:20,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:44:20,342 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:20,342 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:20,375 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:44:20,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:20,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 50 states and 128 transitions. [2022-10-17 16:44:20,643 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 128 transitions. [2022-10-17 16:44:20,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:44:20,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:20,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:20,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:20,678 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:44:20,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:20,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 51 states and 132 transitions. [2022-10-17 16:44:20,966 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 132 transitions. [2022-10-17 16:44:20,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:44:20,967 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:20,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:20,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:21,311 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:44:23,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:23,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 57 states and 151 transitions. [2022-10-17 16:44:23,388 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 151 transitions. [2022-10-17 16:44:23,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:44:23,390 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:23,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:23,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:23,489 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:44:23,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:23,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 58 states and 156 transitions. [2022-10-17 16:44:23,793 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 156 transitions. [2022-10-17 16:44:23,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 16:44:23,794 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:23,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:23,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:23,930 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:44:24,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:24,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 59 states and 156 transitions. [2022-10-17 16:44:24,359 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 156 transitions. [2022-10-17 16:44:24,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:44:24,362 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:24,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:24,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:24,430 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 16:44:25,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:25,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 61 states and 161 transitions. [2022-10-17 16:44:25,194 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 161 transitions. [2022-10-17 16:44:25,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:44:25,196 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:25,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:25,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:25,260 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 16:44:26,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:26,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 63 states and 166 transitions. [2022-10-17 16:44:26,006 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 166 transitions. [2022-10-17 16:44:26,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:44:26,007 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:26,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:26,073 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 16:44:26,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:26,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 65 states and 171 transitions. [2022-10-17 16:44:26,870 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 171 transitions. [2022-10-17 16:44:26,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:44:26,871 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:26,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:26,965 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 16:44:27,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:27,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 67 states and 175 transitions. [2022-10-17 16:44:27,647 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 175 transitions. [2022-10-17 16:44:27,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-10-17 16:44:27,648 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:27,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:27,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:27,727 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2022-10-17 16:44:28,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:28,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 68 states and 179 transitions. [2022-10-17 16:44:28,088 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 179 transitions. [2022-10-17 16:44:28,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:44:28,089 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:28,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:28,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:28,265 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:44:30,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:30,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 74 states and 191 transitions. [2022-10-17 16:44:30,331 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 191 transitions. [2022-10-17 16:44:30,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 16:44:30,332 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:30,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:30,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:30,374 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:44:31,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:31,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 77 states and 202 transitions. [2022-10-17 16:44:31,409 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 202 transitions. [2022-10-17 16:44:31,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:44:31,410 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:31,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:31,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:31,448 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:44:31,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:31,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 78 states and 203 transitions. [2022-10-17 16:44:31,909 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 203 transitions. [2022-10-17 16:44:31,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:44:31,909 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:31,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:31,954 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:44:32,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:32,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 79 states and 204 transitions. [2022-10-17 16:44:32,316 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 204 transitions. [2022-10-17 16:44:32,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:44:32,317 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:32,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:32,361 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:44:32,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:32,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 80 states and 205 transitions. [2022-10-17 16:44:32,695 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 205 transitions. [2022-10-17 16:44:32,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:44:32,696 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:32,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:32,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:32,756 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:44:35,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:35,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 88 states and 228 transitions. [2022-10-17 16:44:35,825 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 228 transitions. [2022-10-17 16:44:35,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:44:35,826 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:35,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:35,878 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:44:37,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:37,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 91 states and 234 transitions. [2022-10-17 16:44:37,148 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 234 transitions. [2022-10-17 16:44:37,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:44:37,148 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:37,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:37,224 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:44:37,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:37,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 94 states and 236 transitions. [2022-10-17 16:44:37,880 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 236 transitions. [2022-10-17 16:44:37,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:44:37,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:37,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:37,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:37,950 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:44:38,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:38,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 95 states and 237 transitions. [2022-10-17 16:44:38,399 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 237 transitions. [2022-10-17 16:44:38,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-10-17 16:44:38,400 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:38,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:38,464 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-10-17 16:44:38,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:38,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 96 states and 237 transitions. [2022-10-17 16:44:38,951 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 237 transitions. [2022-10-17 16:44:38,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:44:38,951 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:38,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:38,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:39,198 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:44:41,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:41,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 102 states and 246 transitions. [2022-10-17 16:44:41,824 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 246 transitions. [2022-10-17 16:44:41,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:44:41,825 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:41,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:44:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:44:41,879 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2022-10-17 16:44:43,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:44:43,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 105 states and 253 transitions. [2022-10-17 16:44:43,204 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 253 transitions. [2022-10-17 16:44:43,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:44:43,205 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:44:43,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms