./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/NestedRecursion_2c.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_a1327c5b-d6d0-4f4e-8d47-a16a93651dd2/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1327c5b-d6d0-4f4e-8d47-a16a93651dd2/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_a1327c5b-d6d0-4f4e-8d47-a16a93651dd2/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1327c5b-d6d0-4f4e-8d47-a16a93651dd2/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/NestedRecursion_2c.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1327c5b-d6d0-4f4e-8d47-a16a93651dd2/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_a1327c5b-d6d0-4f4e-8d47-a16a93651dd2/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 e757bed859e5dfb8bc677e07409ebb4da6a15dd0898403a302646229a6409be5 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 17:00:09,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 17:00:09,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 17:00:09,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 17:00:09,572 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 17:00:09,578 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 17:00:09,580 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 17:00:09,584 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 17:00:09,590 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 17:00:09,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 17:00:09,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 17:00:09,600 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 17:00:09,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 17:00:09,602 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 17:00:09,603 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 17:00:09,605 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 17:00:09,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 17:00:09,613 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 17:00:09,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 17:00:09,625 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 17:00:09,627 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 17:00:09,630 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 17:00:09,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 17:00:09,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 17:00:09,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 17:00:09,640 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 17:00:09,641 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 17:00:09,643 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 17:00:09,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 17:00:09,645 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 17:00:09,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 17:00:09,654 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 17:00:09,656 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 17:00:09,658 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 17:00:09,659 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 17:00:09,659 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 17:00:09,660 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 17:00:09,660 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 17:00:09,660 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 17:00:09,661 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 17:00:09,662 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 17:00:09,664 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1327c5b-d6d0-4f4e-8d47-a16a93651dd2/bin/ukojak-92XMlrwhuB/config/svcomp-Overflow-64bit-Kojak_Default.epf [2022-10-17 17:00:09,720 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 17:00:09,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 17:00:09,721 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 17:00:09,721 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 17:00:09,722 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 17:00:09,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 17:00:09,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 17:00:09,722 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 17:00:09,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 17:00:09,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 17:00:09,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 17:00:09,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 17:00:09,723 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 17:00:09,724 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-10-17 17:00:09,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 17:00:09,724 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 17:00:09,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 17:00:09,724 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 17:00:09,725 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 17:00:09,725 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 17:00:09,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:09,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 17:00:09,726 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 17:00:09,726 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 17:00:09,726 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 17:00:09,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 17:00:09,726 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 17:00:09,727 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_a1327c5b-d6d0-4f4e-8d47-a16a93651dd2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1327c5b-d6d0-4f4e-8d47-a16a93651dd2/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e757bed859e5dfb8bc677e07409ebb4da6a15dd0898403a302646229a6409be5 [2022-10-17 17:00:09,996 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 17:00:10,035 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 17:00:10,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 17:00:10,040 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 17:00:10,041 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 17:00:10,042 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1327c5b-d6d0-4f4e-8d47-a16a93651dd2/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/termination-crafted/NestedRecursion_2c.c [2022-10-17 17:00:10,106 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1327c5b-d6d0-4f4e-8d47-a16a93651dd2/bin/ukojak-92XMlrwhuB/data/5ab962cc9/4df9caba6edb4f0ea689ec93f4a63d2d/FLAG8be378f2b [2022-10-17 17:00:10,585 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 17:00:10,586 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1327c5b-d6d0-4f4e-8d47-a16a93651dd2/sv-benchmarks/c/termination-crafted/NestedRecursion_2c.c [2022-10-17 17:00:10,613 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1327c5b-d6d0-4f4e-8d47-a16a93651dd2/bin/ukojak-92XMlrwhuB/data/5ab962cc9/4df9caba6edb4f0ea689ec93f4a63d2d/FLAG8be378f2b [2022-10-17 17:00:10,970 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1327c5b-d6d0-4f4e-8d47-a16a93651dd2/bin/ukojak-92XMlrwhuB/data/5ab962cc9/4df9caba6edb4f0ea689ec93f4a63d2d [2022-10-17 17:00:10,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 17:00:10,974 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 17:00:10,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:10,977 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 17:00:10,980 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 17:00:10,981 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:10" (1/1) ... [2022-10-17 17:00:10,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cc7a858 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:10, skipping insertion in model container [2022-10-17 17:00:10,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 05:00:10" (1/1) ... [2022-10-17 17:00:11,006 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 17:00:11,018 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 17:00:11,195 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:11,199 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 17:00:11,213 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 17:00:11,226 INFO L208 MainTranslator]: Completed translation [2022-10-17 17:00:11,227 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:11 WrapperNode [2022-10-17 17:00:11,227 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 17:00:11,228 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:11,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 17:00:11,229 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 17:00:11,238 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:11" (1/1) ... [2022-10-17 17:00:11,242 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:11" (1/1) ... [2022-10-17 17:00:11,260 INFO L138 Inliner]: procedures = 5, calls = 5, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 11 [2022-10-17 17:00:11,261 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 17:00:11,262 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 17:00:11,262 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 17:00:11,262 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 17:00:11,272 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:11" (1/1) ... [2022-10-17 17:00:11,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:11" (1/1) ... [2022-10-17 17:00:11,273 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:11" (1/1) ... [2022-10-17 17:00:11,274 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:11" (1/1) ... [2022-10-17 17:00:11,276 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:11" (1/1) ... [2022-10-17 17:00:11,278 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:11" (1/1) ... [2022-10-17 17:00:11,279 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:11" (1/1) ... [2022-10-17 17:00:11,280 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:11" (1/1) ... [2022-10-17 17:00:11,281 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 17:00:11,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 17:00:11,283 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 17:00:11,283 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 17:00:11,284 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 05:00:11" (1/1) ... [2022-10-17 17:00:11,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 17:00:11,302 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1327c5b-d6d0-4f4e-8d47-a16a93651dd2/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 17:00:11,316 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1327c5b-d6d0-4f4e-8d47-a16a93651dd2/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 17:00:11,337 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1327c5b-d6d0-4f4e-8d47-a16a93651dd2/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 17:00:11,379 INFO L130 BoogieDeclarations]: Found specification of procedure g [2022-10-17 17:00:11,380 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2022-10-17 17:00:11,381 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 17:00:11,381 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 17:00:11,436 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 17:00:11,437 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 17:00:11,564 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 17:00:11,575 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 17:00:11,576 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 17:00:11,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:11 BoogieIcfgContainer [2022-10-17 17:00:11,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 17:00:11,580 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 17:00:11,580 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 17:00:11,592 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 17:00:11,592 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 05:00:11" (1/1) ... [2022-10-17 17:00:11,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 17:00:11,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:11,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 22 states and 25 transitions. [2022-10-17 17:00:11,688 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2022-10-17 17:00:11,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 17:00:11,692 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:11,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:11,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:11,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:12,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:12,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 30 transitions. [2022-10-17 17:00:12,097 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2022-10-17 17:00:12,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-10-17 17:00:12,097 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:12,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:12,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:12,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:12,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:12,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 29 states and 36 transitions. [2022-10-17 17:00:12,498 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2022-10-17 17:00:12,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 17:00:12,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:12,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:12,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:12,599 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:12,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:12,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 39 transitions. [2022-10-17 17:00:12,668 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2022-10-17 17:00:12,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 17:00:12,669 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:12,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:12,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:12,895 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 17:00:13,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:13,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 36 states and 45 transitions. [2022-10-17 17:00:13,114 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2022-10-17 17:00:13,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 17:00:13,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:13,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:13,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:13,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:00:13,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:13,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 35 states and 44 transitions. [2022-10-17 17:00:13,221 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2022-10-17 17:00:13,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-10-17 17:00:13,222 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:13,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:13,351 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:00:13,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:13,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 40 states and 53 transitions. [2022-10-17 17:00:13,497 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2022-10-17 17:00:13,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 17:00:13,499 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:13,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:13,678 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:13,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:13,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 59 transitions. [2022-10-17 17:00:13,905 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 59 transitions. [2022-10-17 17:00:13,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2022-10-17 17:00:13,908 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:13,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:13,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:14,104 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:00:14,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:14,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 51 states and 72 transitions. [2022-10-17 17:00:14,534 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 72 transitions. [2022-10-17 17:00:14,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 17:00:14,535 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:14,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:14,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:14,618 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 17:00:14,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:14,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 52 states and 72 transitions. [2022-10-17 17:00:14,649 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 72 transitions. [2022-10-17 17:00:14,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-10-17 17:00:14,653 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:14,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:14,826 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 17:00:15,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:15,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 57 states and 78 transitions. [2022-10-17 17:00:15,058 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 78 transitions. [2022-10-17 17:00:15,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 17:00:15,060 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:15,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:15,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:15,194 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:15,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:15,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 62 states and 84 transitions. [2022-10-17 17:00:15,450 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 84 transitions. [2022-10-17 17:00:15,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 17:00:15,452 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:15,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:15,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:15,753 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 14 proven. 33 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2022-10-17 17:00:16,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:16,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 65 states and 99 transitions. [2022-10-17 17:00:16,419 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 99 transitions. [2022-10-17 17:00:16,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 17:00:16,420 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:16,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:16,557 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-10-17 17:00:16,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:16,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 66 states and 99 transitions. [2022-10-17 17:00:16,812 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 99 transitions. [2022-10-17 17:00:16,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 17:00:16,813 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:16,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:16,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:16,848 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-10-17 17:00:17,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:17,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 56 states and 74 transitions. [2022-10-17 17:00:17,066 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 74 transitions. [2022-10-17 17:00:17,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2022-10-17 17:00:17,067 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:17,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:17,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:17,177 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2022-10-17 17:00:17,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:17,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 57 states and 74 transitions. [2022-10-17 17:00:17,436 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 74 transitions. [2022-10-17 17:00:17,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 17:00:17,437 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:17,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:17,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:17,512 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-10-17 17:00:17,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:17,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 44 states and 49 transitions. [2022-10-17 17:00:17,705 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 49 transitions. [2022-10-17 17:00:17,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2022-10-17 17:00:17,705 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:17,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:17,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:17,899 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:18,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:18,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 49 states and 54 transitions. [2022-10-17 17:00:18,224 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 54 transitions. [2022-10-17 17:00:18,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2022-10-17 17:00:18,225 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:18,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:18,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:18,420 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:18,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:18,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 54 states and 59 transitions. [2022-10-17 17:00:18,775 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 59 transitions. [2022-10-17 17:00:18,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 17:00:18,776 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:18,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:18,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:19,010 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:19,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:19,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 59 states and 64 transitions. [2022-10-17 17:00:19,367 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 64 transitions. [2022-10-17 17:00:19,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-10-17 17:00:19,368 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:19,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:19,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:19,650 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:20,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:20,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 64 states and 69 transitions. [2022-10-17 17:00:20,025 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 69 transitions. [2022-10-17 17:00:20,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2022-10-17 17:00:20,026 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:20,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:20,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:20,305 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:20,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:20,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 69 states and 74 transitions. [2022-10-17 17:00:20,713 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 74 transitions. [2022-10-17 17:00:20,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2022-10-17 17:00:20,714 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:20,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:20,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:21,014 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:21,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:21,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 74 states and 79 transitions. [2022-10-17 17:00:21,421 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 79 transitions. [2022-10-17 17:00:21,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2022-10-17 17:00:21,422 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:21,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:21,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:21,727 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:22,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:22,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 79 states and 84 transitions. [2022-10-17 17:00:22,097 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 84 transitions. [2022-10-17 17:00:22,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 17:00:22,098 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:22,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:22,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:22,438 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:22,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:22,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 84 states and 89 transitions. [2022-10-17 17:00:22,903 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 89 transitions. [2022-10-17 17:00:22,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2022-10-17 17:00:22,904 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:22,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:22,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:23,273 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:23,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:23,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 89 states and 94 transitions. [2022-10-17 17:00:23,729 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 94 transitions. [2022-10-17 17:00:23,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2022-10-17 17:00:23,730 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:23,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:23,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:24,118 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 0 proven. 511 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:24,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:24,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 94 states and 99 transitions. [2022-10-17 17:00:24,550 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 99 transitions. [2022-10-17 17:00:24,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2022-10-17 17:00:24,551 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:24,551 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:24,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:24,955 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:25,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:25,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 99 states and 104 transitions. [2022-10-17 17:00:25,431 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 104 transitions. [2022-10-17 17:00:25,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2022-10-17 17:00:25,432 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:25,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:25,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:25,878 INFO L134 CoverageAnalysis]: Checked inductivity of 664 backedges. 0 proven. 664 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:26,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:26,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 104 states and 109 transitions. [2022-10-17 17:00:26,333 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 109 transitions. [2022-10-17 17:00:26,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2022-10-17 17:00:26,335 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:26,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:26,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:26,783 INFO L134 CoverageAnalysis]: Checked inductivity of 748 backedges. 0 proven. 748 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:27,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:27,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 109 states and 114 transitions. [2022-10-17 17:00:27,240 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 114 transitions. [2022-10-17 17:00:27,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2022-10-17 17:00:27,241 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:27,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:27,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:27,755 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 0 proven. 837 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:28,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:28,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 114 states and 119 transitions. [2022-10-17 17:00:28,274 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 119 transitions. [2022-10-17 17:00:28,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2022-10-17 17:00:28,276 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:28,276 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:28,813 INFO L134 CoverageAnalysis]: Checked inductivity of 931 backedges. 0 proven. 931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:29,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:29,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 119 states and 124 transitions. [2022-10-17 17:00:29,412 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 124 transitions. [2022-10-17 17:00:29,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2022-10-17 17:00:29,413 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:29,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:29,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:29,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1030 backedges. 0 proven. 1030 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:30,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:30,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 124 states and 129 transitions. [2022-10-17 17:00:30,499 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 129 transitions. [2022-10-17 17:00:30,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2022-10-17 17:00:30,501 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:30,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:30,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:31,131 INFO L134 CoverageAnalysis]: Checked inductivity of 1134 backedges. 0 proven. 1134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:31,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:31,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 129 states and 134 transitions. [2022-10-17 17:00:31,678 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 134 transitions. [2022-10-17 17:00:31,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2022-10-17 17:00:31,679 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:31,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:31,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:32,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 0 proven. 1243 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:32,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:32,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 134 states and 139 transitions. [2022-10-17 17:00:32,838 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 139 transitions. [2022-10-17 17:00:32,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2022-10-17 17:00:32,840 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:32,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:32,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:33,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1357 backedges. 0 proven. 1357 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:34,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:34,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 139 states and 144 transitions. [2022-10-17 17:00:34,253 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 144 transitions. [2022-10-17 17:00:34,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2022-10-17 17:00:34,255 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:34,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:34,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:34,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1476 backedges. 0 proven. 1476 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:35,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:35,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 144 states and 149 transitions. [2022-10-17 17:00:35,518 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 149 transitions. [2022-10-17 17:00:35,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2022-10-17 17:00:35,520 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:35,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:35,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:36,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 1600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:36,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:36,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 149 states and 154 transitions. [2022-10-17 17:00:36,776 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 154 transitions. [2022-10-17 17:00:36,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2022-10-17 17:00:36,778 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:36,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:36,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:37,627 INFO L134 CoverageAnalysis]: Checked inductivity of 1729 backedges. 0 proven. 1729 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 17:00:38,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 17:00:38,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 154 states and 159 transitions. [2022-10-17 17:00:38,241 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 159 transitions. [2022-10-17 17:00:38,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2022-10-17 17:00:38,242 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 17:00:38,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 17:00:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 17:00:39,132 INFO L134 CoverageAnalysis]: Checked inductivity of 1863 backedges. 0 proven. 1863 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.