./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex5.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf57ba67-b868-4c5f-ac69-04f75f924174/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf57ba67-b868-4c5f-ac69-04f75f924174/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_cf57ba67-b868-4c5f-ac69-04f75f924174/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf57ba67-b868-4c5f-ac69-04f75f924174/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf57ba67-b868-4c5f-ac69-04f75f924174/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf57ba67-b868-4c5f-ac69-04f75f924174/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 1ab1611c68b20ff5721c195b0d2c7506cb1678fd2a0003f8a2214f630d652abe --- 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 16:45:42,432 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:45:42,433 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:45:42,467 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:45:42,468 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:45:42,469 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:45:42,471 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:45:42,474 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:45:42,477 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:45:42,478 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:45:42,480 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:45:42,481 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:45:42,482 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:45:42,484 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:45:42,485 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:45:42,487 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:45:42,488 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:45:42,490 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:45:42,492 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:45:42,495 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:45:42,497 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:45:42,501 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:45:42,503 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:45:42,509 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:45:42,515 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:45:42,519 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:45:42,519 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:45:42,521 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:45:42,522 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:45:42,524 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:45:42,525 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:45:42,526 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:45:42,527 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:45:42,528 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:45:42,530 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:45:42,532 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:45:42,532 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:45:42,533 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:45:42,533 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:45:42,534 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:45:42,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:45:42,536 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf57ba67-b868-4c5f-ac69-04f75f924174/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-10-17 16:45:42,596 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:45:42,598 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:45:42,600 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:45:42,600 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:45:42,601 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:45:42,602 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:45:42,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:45:42,602 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 16:45:42,603 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:45:42,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:45:42,604 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:45:42,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:45:42,605 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:45:42,605 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 16:45:42,605 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:45:42,605 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:45:42,606 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:45:42,606 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:45:42,606 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:45:42,606 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:45:42,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:45:42,607 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:45:42,607 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:45:42,607 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:45:42,624 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:45:42,625 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:45:42,626 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:45:42,627 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_cf57ba67-b868-4c5f-ac69-04f75f924174/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf57ba67-b868-4c5f-ac69-04f75f924174/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ab1611c68b20ff5721c195b0d2c7506cb1678fd2a0003f8a2214f630d652abe [2022-10-17 16:45:42,860 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:45:42,894 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:45:42,897 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:45:42,898 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:45:42,899 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:45:42,901 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf57ba67-b868-4c5f-ac69-04f75f924174/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex5.c [2022-10-17 16:45:42,967 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf57ba67-b868-4c5f-ac69-04f75f924174/bin/ukojak-92XMlrwhuB/data/6d029eae8/7ace6d9130ce44d98d0c4339cd0ce46f/FLAG4303057df [2022-10-17 16:45:43,471 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:45:43,472 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf57ba67-b868-4c5f-ac69-04f75f924174/sv-benchmarks/c/termination-crafted-lit/LeeJonesBen-Amram-POPL2001-Ex5.c [2022-10-17 16:45:43,478 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf57ba67-b868-4c5f-ac69-04f75f924174/bin/ukojak-92XMlrwhuB/data/6d029eae8/7ace6d9130ce44d98d0c4339cd0ce46f/FLAG4303057df [2022-10-17 16:45:43,848 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf57ba67-b868-4c5f-ac69-04f75f924174/bin/ukojak-92XMlrwhuB/data/6d029eae8/7ace6d9130ce44d98d0c4339cd0ce46f [2022-10-17 16:45:43,851 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:45:43,853 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:45:43,854 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:45:43,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:45:43,858 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:45:43,859 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:45:43" (1/1) ... [2022-10-17 16:45:43,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fc97e44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:43, skipping insertion in model container [2022-10-17 16:45:43,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:45:43" (1/1) ... [2022-10-17 16:45:43,868 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:45:43,881 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:45:44,067 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:45:44,071 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:45:44,086 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:45:44,098 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:45:44,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:44 WrapperNode [2022-10-17 16:45:44,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:45:44,100 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:45:44,100 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:45:44,100 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:45:44,108 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:44" (1/1) ... [2022-10-17 16:45:44,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:44" (1/1) ... [2022-10-17 16:45:44,130 INFO L138 Inliner]: procedures = 5, calls = 5, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 14 [2022-10-17 16:45:44,130 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:45:44,131 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:45:44,131 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:45:44,131 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:45:44,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:44" (1/1) ... [2022-10-17 16:45:44,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:44" (1/1) ... [2022-10-17 16:45:44,141 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:44" (1/1) ... [2022-10-17 16:45:44,141 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:44" (1/1) ... [2022-10-17 16:45:44,143 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:44" (1/1) ... [2022-10-17 16:45:44,146 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:44" (1/1) ... [2022-10-17 16:45:44,146 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:44" (1/1) ... [2022-10-17 16:45:44,147 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:44" (1/1) ... [2022-10-17 16:45:44,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:45:44,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:45:44,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:45:44,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:45:44,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:45:44" (1/1) ... [2022-10-17 16:45:44,157 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:45:44,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf57ba67-b868-4c5f-ac69-04f75f924174/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:45:44,184 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf57ba67-b868-4c5f-ac69-04f75f924174/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:45:44,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf57ba67-b868-4c5f-ac69-04f75f924174/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:45:44,226 INFO L130 BoogieDeclarations]: Found specification of procedure f [2022-10-17 16:45:44,227 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2022-10-17 16:45:44,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:45:44,227 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:45:44,284 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:45:44,286 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:45:44,408 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:45:44,423 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:45:44,424 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:45:44,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:45:44 BoogieIcfgContainer [2022-10-17 16:45:44,427 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:45:44,428 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:45:44,428 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:45:44,438 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:45:44,439 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:45:44" (1/1) ... [2022-10-17 16:45:44,448 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:45:44,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:44,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 23 states and 27 transitions. [2022-10-17 16:45:44,505 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2022-10-17 16:45:44,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:45:44,510 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:44,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:44,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:44,735 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 16:45:44,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:44,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 34 transitions. [2022-10-17 16:45:44,855 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2022-10-17 16:45:44,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 16:45:44,855 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:44,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:44,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:44,992 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 16:45:45,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:45,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 42 transitions. [2022-10-17 16:45:45,369 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 42 transitions. [2022-10-17 16:45:45,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:45:45,370 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:45,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:45,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:45,545 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 16:45:46,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:46,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 50 transitions. [2022-10-17 16:45:46,064 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2022-10-17 16:45:46,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-10-17 16:45:46,065 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:46,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:46,216 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 16:45:46,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:46,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 41 states and 59 transitions. [2022-10-17 16:45:46,877 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 59 transitions. [2022-10-17 16:45:46,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:45:46,881 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:46,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:47,104 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:47,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:47,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 44 states and 63 transitions. [2022-10-17 16:45:47,494 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2022-10-17 16:45:47,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:45:47,495 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:47,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:47,548 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:47,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:47,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 46 states and 65 transitions. [2022-10-17 16:45:47,577 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2022-10-17 16:45:47,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:45:47,578 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:47,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:47,624 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:47,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:47,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 49 states and 71 transitions. [2022-10-17 16:45:47,960 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 71 transitions. [2022-10-17 16:45:47,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:45:47,963 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:47,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:48,131 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:48,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:48,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 51 states and 75 transitions. [2022-10-17 16:45:48,249 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2022-10-17 16:45:48,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:45:48,250 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:48,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:48,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:48,357 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:48,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:48,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 57 states and 85 transitions. [2022-10-17 16:45:48,864 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 85 transitions. [2022-10-17 16:45:48,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:45:48,866 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:48,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:48,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:48,898 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:49,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:49,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 60 states and 88 transitions. [2022-10-17 16:45:49,312 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 88 transitions. [2022-10-17 16:45:49,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:45:49,313 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:49,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:49,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:49,345 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:49,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:49,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 63 states and 93 transitions. [2022-10-17 16:45:49,461 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 93 transitions. [2022-10-17 16:45:49,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:45:49,462 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:49,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:49,489 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:49,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:49,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 64 states and 94 transitions. [2022-10-17 16:45:49,506 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 94 transitions. [2022-10-17 16:45:49,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:45:49,507 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:49,507 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:49,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:49,642 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:50,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:50,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 67 states and 96 transitions. [2022-10-17 16:45:50,038 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 96 transitions. [2022-10-17 16:45:50,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:45:50,040 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:50,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:50,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:50,288 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 9 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:51,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:51,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 76 states and 112 transitions. [2022-10-17 16:45:51,463 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 112 transitions. [2022-10-17 16:45:51,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:45:51,464 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:51,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:51,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:51,504 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:52,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:52,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 82 states and 123 transitions. [2022-10-17 16:45:52,040 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 123 transitions. [2022-10-17 16:45:52,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:45:52,041 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:52,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:52,126 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:52,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:52,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 85 states and 125 transitions. [2022-10-17 16:45:52,595 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 125 transitions. [2022-10-17 16:45:52,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:45:52,596 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:52,597 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:52,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:52,918 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 12 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:53,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:53,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 87 states and 126 transitions. [2022-10-17 16:45:53,066 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 126 transitions. [2022-10-17 16:45:53,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:45:53,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:53,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:53,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:53,241 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 10 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:53,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:53,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 89 states and 129 transitions. [2022-10-17 16:45:53,569 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 129 transitions. [2022-10-17 16:45:53,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:45:53,570 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:53,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:53,619 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 10 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:54,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:54,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 92 states and 131 transitions. [2022-10-17 16:45:54,153 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 131 transitions. [2022-10-17 16:45:54,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:45:54,154 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:54,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:54,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:54,504 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:56,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:56,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 103 states and 157 transitions. [2022-10-17 16:45:56,083 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 157 transitions. [2022-10-17 16:45:56,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:45:56,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:56,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:56,135 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:56,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:56,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 106 states and 159 transitions. [2022-10-17 16:45:56,607 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 159 transitions. [2022-10-17 16:45:56,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:45:56,608 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:56,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:56,678 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 12 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:57,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:57,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 109 states and 162 transitions. [2022-10-17 16:45:57,215 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 162 transitions. [2022-10-17 16:45:57,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:45:57,217 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:57,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:57,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:57,273 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:57,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:57,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 115 states and 170 transitions. [2022-10-17 16:45:57,928 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 170 transitions. [2022-10-17 16:45:57,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:45:57,929 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:57,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:57,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:57,977 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:58,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:58,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 116 states and 171 transitions. [2022-10-17 16:45:58,013 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 171 transitions. [2022-10-17 16:45:58,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-10-17 16:45:58,014 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:58,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:58,328 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:58,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:58,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 119 states and 173 transitions. [2022-10-17 16:45:58,652 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 173 transitions. [2022-10-17 16:45:58,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:45:58,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:58,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:58,736 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 15 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:59,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:59,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 125 states and 179 transitions. [2022-10-17 16:45:59,604 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 179 transitions. [2022-10-17 16:45:59,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:45:59,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:59,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:59,662 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:59,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:59,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 126 states and 180 transitions. [2022-10-17 16:45:59,683 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 180 transitions. [2022-10-17 16:45:59,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:45:59,684 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:59,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:59,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:59,778 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:59,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:59,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 127 states and 181 transitions. [2022-10-17 16:45:59,806 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 181 transitions. [2022-10-17 16:45:59,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 16:45:59,807 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:59,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:45:59,871 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:45:59,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:45:59,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 129 states and 182 transitions. [2022-10-17 16:45:59,899 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 182 transitions. [2022-10-17 16:45:59,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 16:45:59,900 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:45:59,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:45:59,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:00,308 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 32 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:02,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:02,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 141 states and 196 transitions. [2022-10-17 16:46:02,237 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 196 transitions. [2022-10-17 16:46:02,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:46:02,238 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:02,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:02,718 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 18 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:05,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:05,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 153 states and 223 transitions. [2022-10-17 16:46:05,108 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 223 transitions. [2022-10-17 16:46:05,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:46:05,109 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:05,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:05,173 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 18 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:05,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:05,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 156 states and 226 transitions. [2022-10-17 16:46:05,817 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 226 transitions. [2022-10-17 16:46:05,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:46:05,818 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:05,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:05,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:05,886 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 18 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:06,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:06,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 159 states and 230 transitions. [2022-10-17 16:46:06,690 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 230 transitions. [2022-10-17 16:46:06,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:46:06,691 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:06,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:06,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:06,753 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:07,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:07,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 165 states and 238 transitions. [2022-10-17 16:46:07,696 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 238 transitions. [2022-10-17 16:46:07,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:46:07,698 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:07,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:08,276 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 41 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:08,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:08,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 168 states and 242 transitions. [2022-10-17 16:46:08,935 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 242 transitions. [2022-10-17 16:46:08,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:46:08,936 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:08,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:08,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:09,572 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 41 proven. 47 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:10,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:10,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 171 states and 244 transitions. [2022-10-17 16:46:10,396 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 244 transitions. [2022-10-17 16:46:10,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:46:10,398 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:10,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:10,482 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 21 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:11,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:11,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 177 states and 250 transitions. [2022-10-17 16:46:11,642 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 250 transitions. [2022-10-17 16:46:11,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:46:11,644 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:11,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:11,739 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:12,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:12,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 183 states and 256 transitions. [2022-10-17 16:46:12,610 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 256 transitions. [2022-10-17 16:46:12,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:46:12,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:12,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:12,717 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 0 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:12,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:12,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 184 states and 257 transitions. [2022-10-17 16:46:12,756 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 257 transitions. [2022-10-17 16:46:12,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:46:12,758 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:12,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:12,852 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:46:12,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:46:12,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 186 states and 258 transitions. [2022-10-17 16:46:12,889 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 258 transitions. [2022-10-17 16:46:12,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:46:12,891 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:46:12,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:46:12,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:46:13,887 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 63 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.