./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcab171b-74fe-49af-a9d1-d308f6787e3d/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcab171b-74fe-49af-a9d1-d308f6787e3d/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcab171b-74fe-49af-a9d1-d308f6787e3d/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcab171b-74fe-49af-a9d1-d308f6787e3d/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcab171b-74fe-49af-a9d1-d308f6787e3d/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcab171b-74fe-49af-a9d1-d308f6787e3d/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --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 676276db79a43f24ac4768848febffe3dd303b6e2c16071dede4e51ae957576d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-11 23:52:26,705 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:52:26,799 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcab171b-74fe-49af-a9d1-d308f6787e3d/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-11 23:52:26,811 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:52:26,812 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:52:26,856 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:52:26,859 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-11 23:52:26,860 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-11 23:52:26,861 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:52:26,867 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:52:26,868 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:52:26,868 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-11 23:52:26,870 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:52:26,871 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:52:26,872 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-11 23:52:26,872 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:52:26,873 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-11 23:52:26,873 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-11 23:52:26,873 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:52:26,874 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-11 23:52:26,874 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:52:26,875 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:52:26,875 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:52:26,876 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:52:26,877 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:52:26,877 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:52:26,878 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:52:26,878 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-11 23:52:26,878 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:52:26,879 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:52:26,880 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-11 23:52:26,880 INFO L153 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_bcab171b-74fe-49af-a9d1-d308f6787e3d/bin/ukojak-verify-0OAaufAVZV/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcab171b-74fe-49af-a9d1-d308f6787e3d/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 676276db79a43f24ac4768848febffe3dd303b6e2c16071dede4e51ae957576d [2023-11-11 23:52:27,226 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:52:27,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:52:27,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:52:27,284 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:52:27,285 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:52:27,286 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcab171b-74fe-49af-a9d1-d308f6787e3d/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c [2023-11-11 23:52:30,477 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:52:30,675 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:52:30,676 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcab171b-74fe-49af-a9d1-d308f6787e3d/sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c [2023-11-11 23:52:30,685 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcab171b-74fe-49af-a9d1-d308f6787e3d/bin/ukojak-verify-0OAaufAVZV/data/f704aa7b1/57aaddd365af48ff8fe8b41792fb6289/FLAG6cc283973 [2023-11-11 23:52:30,701 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcab171b-74fe-49af-a9d1-d308f6787e3d/bin/ukojak-verify-0OAaufAVZV/data/f704aa7b1/57aaddd365af48ff8fe8b41792fb6289 [2023-11-11 23:52:30,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:52:30,705 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:52:30,707 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:52:30,707 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:52:30,713 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:52:30,714 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:52:30" (1/1) ... [2023-11-11 23:52:30,715 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10c27e94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:30, skipping insertion in model container [2023-11-11 23:52:30,715 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:52:30" (1/1) ... [2023-11-11 23:52:30,740 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:52:30,909 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:52:30,914 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:52:30,933 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:52:30,949 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:52:30,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:30 WrapperNode [2023-11-11 23:52:30,949 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:52:30,951 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:52:30,951 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:52:30,951 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:52:30,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:30" (1/1) ... [2023-11-11 23:52:30,963 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:30" (1/1) ... [2023-11-11 23:52:30,984 INFO L138 Inliner]: procedures = 5, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 64 [2023-11-11 23:52:30,985 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:52:30,986 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:52:30,986 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:52:30,986 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:52:30,996 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:30" (1/1) ... [2023-11-11 23:52:30,996 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:30" (1/1) ... [2023-11-11 23:52:30,998 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:30" (1/1) ... [2023-11-11 23:52:30,998 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:30" (1/1) ... [2023-11-11 23:52:31,002 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:30" (1/1) ... [2023-11-11 23:52:31,007 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:30" (1/1) ... [2023-11-11 23:52:31,008 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:30" (1/1) ... [2023-11-11 23:52:31,010 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:30" (1/1) ... [2023-11-11 23:52:31,012 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:52:31,013 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:52:31,013 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:52:31,013 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:52:31,014 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:52:30" (1/1) ... [2023-11-11 23:52:31,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:52:31,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcab171b-74fe-49af-a9d1-d308f6787e3d/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:52:31,052 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcab171b-74fe-49af-a9d1-d308f6787e3d/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:52:31,069 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcab171b-74fe-49af-a9d1-d308f6787e3d/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:52:31,111 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2023-11-11 23:52:31,111 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2023-11-11 23:52:31,111 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:52:31,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:52:31,170 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:52:31,172 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:52:31,370 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:52:31,515 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:52:31,516 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:52:31,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:52:31 BoogieIcfgContainer [2023-11-11 23:52:31,519 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:52:31,520 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:52:31,520 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:52:31,530 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:52:31,531 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:52:31" (1/1) ... [2023-11-11 23:52:31,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:52:31,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:31,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 36 states and 45 transitions. [2023-11-11 23:52:31,592 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 45 transitions. [2023-11-11 23:52:31,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-11 23:52:31,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:31,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:31,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:31,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:31,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:31,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 35 states and 44 transitions. [2023-11-11 23:52:31,762 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 44 transitions. [2023-11-11 23:52:31,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:52:31,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:31,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:31,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:31,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:31,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2023-11-11 23:52:31,854 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2023-11-11 23:52:31,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:52:31,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:31,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:31,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:31,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:32,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:32,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 45 states and 63 transitions. [2023-11-11 23:52:32,027 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 63 transitions. [2023-11-11 23:52:32,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:52:32,031 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:32,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:32,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:32,220 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:32,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:32,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 55 states and 85 transitions. [2023-11-11 23:52:32,308 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 85 transitions. [2023-11-11 23:52:32,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:52:32,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:32,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:32,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:32,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:32,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 57 states and 87 transitions. [2023-11-11 23:52:32,450 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 87 transitions. [2023-11-11 23:52:32,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:52:32,452 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:32,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:32,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:32,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:32,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:32,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 68 states and 114 transitions. [2023-11-11 23:52:32,737 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 114 transitions. [2023-11-11 23:52:32,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-11 23:52:32,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:32,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:32,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:32,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:32,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:32,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 77 states and 132 transitions. [2023-11-11 23:52:32,868 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 132 transitions. [2023-11-11 23:52:32,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:52:32,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:32,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:32,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:32,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:32,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:32,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 79 states and 134 transitions. [2023-11-11 23:52:32,969 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 134 transitions. [2023-11-11 23:52:32,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:52:32,971 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:32,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:33,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:33,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:33,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 81 states and 136 transitions. [2023-11-11 23:52:33,059 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 136 transitions. [2023-11-11 23:52:33,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:52:33,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:33,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:33,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:33,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:33,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:33,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 83 states and 138 transitions. [2023-11-11 23:52:33,148 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 138 transitions. [2023-11-11 23:52:33,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:52:33,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:33,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:33,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:33,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:33,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:33,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 85 states and 140 transitions. [2023-11-11 23:52:33,278 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 140 transitions. [2023-11-11 23:52:33,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:52:33,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:33,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:33,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:33,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:33,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:33,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 83 states and 136 transitions. [2023-11-11 23:52:33,355 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 136 transitions. [2023-11-11 23:52:33,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:52:33,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:33,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:33,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:33,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:33,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:33,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 81 states and 132 transitions. [2023-11-11 23:52:33,454 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 132 transitions. [2023-11-11 23:52:33,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:52:33,455 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:33,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:33,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:33,505 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:33,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:33,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 83 states and 134 transitions. [2023-11-11 23:52:33,540 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 134 transitions. [2023-11-11 23:52:33,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:52:33,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:33,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:33,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:33,585 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:52:33,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:33,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 85 states and 136 transitions. [2023-11-11 23:52:33,754 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 136 transitions. [2023-11-11 23:52:33,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:52:33,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:33,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:33,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:33,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:34,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:34,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 90 states and 150 transitions. [2023-11-11 23:52:34,047 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 150 transitions. [2023-11-11 23:52:34,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:52:34,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:34,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:34,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:34,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:34,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:34,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 81 states and 134 transitions. [2023-11-11 23:52:34,150 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 134 transitions. [2023-11-11 23:52:34,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-11 23:52:34,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:34,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:34,218 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:34,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:34,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 89 states and 149 transitions. [2023-11-11 23:52:34,361 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 149 transitions. [2023-11-11 23:52:34,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:52:34,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:34,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:34,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:34,398 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:34,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:34,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 87 states and 145 transitions. [2023-11-11 23:52:34,463 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 145 transitions. [2023-11-11 23:52:34,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:52:34,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:34,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:34,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:34,514 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:34,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:34,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 85 states and 141 transitions. [2023-11-11 23:52:34,579 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 141 transitions. [2023-11-11 23:52:34,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:52:34,580 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:34,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:34,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:34,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:34,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 87 states and 143 transitions. [2023-11-11 23:52:34,662 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 143 transitions. [2023-11-11 23:52:34,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-11 23:52:34,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:34,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:34,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:34,755 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:35,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:35,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 90 states and 152 transitions. [2023-11-11 23:52:35,143 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 152 transitions. [2023-11-11 23:52:35,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:52:35,145 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:35,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:35,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:35,176 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:35,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:35,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 83 states and 140 transitions. [2023-11-11 23:52:35,215 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 140 transitions. [2023-11-11 23:52:35,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:52:35,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:35,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:35,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:35,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:35,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 81 states and 136 transitions. [2023-11-11 23:52:35,278 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 136 transitions. [2023-11-11 23:52:35,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:52:35,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:35,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:35,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:35,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:35,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 79 states and 132 transitions. [2023-11-11 23:52:35,338 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 132 transitions. [2023-11-11 23:52:35,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:52:35,339 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:35,339 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:35,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:35,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:35,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:35,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 81 states and 134 transitions. [2023-11-11 23:52:35,398 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 134 transitions. [2023-11-11 23:52:35,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:52:35,398 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:35,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:35,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:35,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:52:35,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:35,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 73 states and 118 transitions. [2023-11-11 23:52:35,458 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 118 transitions. [2023-11-11 23:52:35,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:52:35,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:35,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:35,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:52:35,512 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:52:35,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:52:35,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 68 states and 105 transitions. [2023-11-11 23:52:35,773 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 105 transitions. [2023-11-11 23:52:35,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-11 23:52:35,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:52:35,774 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:52:35,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:52:35,780 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:52:35,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:52:35,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:52:35,821 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:52:35,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:52:35,851 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 29 iterations. [2023-11-11 23:52:35,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:52:35 ImpRootNode [2023-11-11 23:52:35,896 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:52:35,897 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:52:35,897 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:52:35,897 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:52:35,897 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:52:31" (3/4) ... [2023-11-11 23:52:35,898 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-11 23:52:35,957 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcab171b-74fe-49af-a9d1-d308f6787e3d/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:52:35,959 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:52:35,960 INFO L158 Benchmark]: Toolchain (without parser) took 5254.04ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 115.6MB in the beginning and 86.2MB in the end (delta: 29.4MB). Peak memory consumption was 85.6MB. Max. memory is 16.1GB. [2023-11-11 23:52:35,960 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 159.4MB. Free memory is still 134.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:52:35,960 INFO L158 Benchmark]: CACSL2BoogieTranslator took 242.76ms. Allocated memory is still 159.4MB. Free memory was 115.3MB in the beginning and 105.4MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-11 23:52:35,961 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.43ms. Allocated memory is still 159.4MB. Free memory was 105.4MB in the beginning and 103.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:52:35,962 INFO L158 Benchmark]: Boogie Preprocessor took 26.27ms. Allocated memory is still 159.4MB. Free memory was 103.8MB in the beginning and 102.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:52:35,962 INFO L158 Benchmark]: RCFGBuilder took 506.00ms. Allocated memory is still 159.4MB. Free memory was 102.6MB in the beginning and 82.0MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-11 23:52:35,963 INFO L158 Benchmark]: CodeCheck took 4376.62ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 82.0MB in the beginning and 88.3MB in the end (delta: -6.2MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2023-11-11 23:52:35,968 INFO L158 Benchmark]: Witness Printer took 62.16ms. Allocated memory is still 213.9MB. Free memory was 87.2MB in the beginning and 86.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:52:35,971 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 36 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 4.3s, OverallIterations: 29, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5149 SdHoareTripleChecker+Valid, 6.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4438 mSDsluCounter, 9242 SdHoareTripleChecker+Invalid, 5.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6984 mSDsCounter, 809 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3410 IncrementalHoareTripleChecker+Invalid, 4219 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 809 mSolverCounterUnsat, 2258 mSDtfsCounter, 3410 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4713 GetRequests, 4365 SyntacticMatches, 286 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1643 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 477 NumberOfCodeBlocks, 477 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 430 ConstructedInterpolants, 0 QuantifiedInterpolants, 1510 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 28 InterpolantComputations, 25 PerfectInterpolantSequences, 2/7 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 81]: integer overflow possible integer overflow possible We found a FailurePath: [L53] int d = 1; [L54] int x = __VERIFIER_nondet_int(); [L56] COND TRUE __VERIFIER_nondet_int() [L57] EXPR d - 1 [L57] d = d - 1 VAL [d=0, x=2147483647] [L61] COND FALSE !(__VERIFIER_nondet_int()) [L64] COND FALSE !(__VERIFIER_nondet_int()) [L67] COND FALSE !(__VERIFIER_nondet_int()) [L70] COND FALSE !(__VERIFIER_nondet_int()) [L76] COND TRUE __VERIFIER_nondet_int() [L77] EXPR d - 1 [L77] d = d - 1 VAL [d=-1, x=2147483647] [L80] COND TRUE x > 0 VAL [d=-1, x=2147483647] [L81] x - d VAL [d=-1, x=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 159.4MB. Free memory is still 134.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 242.76ms. Allocated memory is still 159.4MB. Free memory was 115.3MB in the beginning and 105.4MB in the end (delta: 9.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.43ms. Allocated memory is still 159.4MB. Free memory was 105.4MB in the beginning and 103.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.27ms. Allocated memory is still 159.4MB. Free memory was 103.8MB in the beginning and 102.6MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 506.00ms. Allocated memory is still 159.4MB. Free memory was 102.6MB in the beginning and 82.0MB in the end (delta: 20.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * CodeCheck took 4376.62ms. Allocated memory was 159.4MB in the beginning and 213.9MB in the end (delta: 54.5MB). Free memory was 82.0MB in the beginning and 88.3MB in the end (delta: -6.2MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. * Witness Printer took 62.16ms. Allocated memory is still 213.9MB. Free memory was 87.2MB in the beginning and 86.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2023-11-11 23:52:35,992 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcab171b-74fe-49af-a9d1-d308f6787e3d/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)