./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 a0165632 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_1d062606-455a-4ab4-af94-86257b130e41/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d062606-455a-4ab4-af94-86257b130e41/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d062606-455a-4ab4-af94-86257b130e41/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d062606-455a-4ab4-af94-86257b130e41/bin/ukojak-verify-ImItNfHLgk/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_1d062606-455a-4ab4-af94-86257b130e41/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d062606-455a-4ab4-af94-86257b130e41/bin/ukojak-verify-ImItNfHLgk --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 0.2.5-dev-a016563 [2024-11-08 22:58:01,533 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:58:01,635 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d062606-455a-4ab4-af94-86257b130e41/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-64bit-Kojak_Default.epf [2024-11-08 22:58:01,639 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:58:01,641 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:58:01,673 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:58:01,674 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:58:01,674 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:58:01,675 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:58:01,675 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:58:01,676 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:58:01,676 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:58:01,676 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:58:01,677 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:58:01,677 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:58:01,678 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:58:01,678 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:58:01,678 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:58:01,682 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 22:58:01,682 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 22:58:01,685 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:58:01,686 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:58:01,686 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:58:01,686 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:58:01,687 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:58:01,687 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:58:01,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:58:01,688 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:58:01,688 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:58:01,688 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:58:01,689 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:58:01,689 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:58:01,689 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_1d062606-455a-4ab4-af94-86257b130e41/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d062606-455a-4ab4-af94-86257b130e41/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 676276db79a43f24ac4768848febffe3dd303b6e2c16071dede4e51ae957576d [2024-11-08 22:58:01,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:58:02,002 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:58:02,004 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:58:02,006 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:58:02,007 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:58:02,009 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d062606-455a-4ab4-af94-86257b130e41/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c Unable to find full path for "g++" [2024-11-08 22:58:04,125 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:58:04,314 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:58:04,315 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d062606-455a-4ab4-af94-86257b130e41/sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig2.c [2024-11-08 22:58:04,321 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d062606-455a-4ab4-af94-86257b130e41/bin/ukojak-verify-ImItNfHLgk/data/326e9b3ae/ceeeb83945e14380ab5b5bd5e425b0e8/FLAGc4234e8fa [2024-11-08 22:58:04,335 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d062606-455a-4ab4-af94-86257b130e41/bin/ukojak-verify-ImItNfHLgk/data/326e9b3ae/ceeeb83945e14380ab5b5bd5e425b0e8 [2024-11-08 22:58:04,337 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:58:04,339 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:58:04,341 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:58:04,341 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:58:04,347 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:58:04,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@698e32f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04, skipping insertion in model container [2024-11-08 22:58:04,350 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,373 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:58:04,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:58:04,606 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:58:04,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:58:04,649 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:58:04,650 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04 WrapperNode [2024-11-08 22:58:04,650 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:58:04,651 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:58:04,651 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:58:04,651 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:58:04,659 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,663 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,685 INFO L138 Inliner]: procedures = 5, calls = 6, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 63 [2024-11-08 22:58:04,685 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:58:04,686 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:58:04,686 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:58:04,686 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:58:04,697 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,697 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,698 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,698 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,701 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,706 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,707 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,708 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,710 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:58:04,711 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:58:04,711 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:58:04,711 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:58:04,712 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:04" (1/1) ... [2024-11-08 22:58:04,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:58:04,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d062606-455a-4ab4-af94-86257b130e41/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:58:04,744 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d062606-455a-4ab4-af94-86257b130e41/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:58:04,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d062606-455a-4ab4-af94-86257b130e41/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:58:04,777 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2024-11-08 22:58:04,777 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2024-11-08 22:58:04,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:58:04,778 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:58:04,832 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:58:04,834 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:58:05,027 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-08 22:58:05,027 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:58:05,209 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:58:05,210 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 22:58:05,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:58:05 BoogieIcfgContainer [2024-11-08 22:58:05,210 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:58:05,211 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:58:05,212 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:58:05,223 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:58:05,223 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:58:05" (1/1) ... [2024-11-08 22:58:05,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:58:05,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:05,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 38 states and 48 transitions. [2024-11-08 22:58:05,307 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 48 transitions. [2024-11-08 22:58:05,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 22:58:05,308 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:05,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:58:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:05,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:58:05,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:05,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2024-11-08 22:58:05,496 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2024-11-08 22:58:05,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 22:58:05,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:05,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:58:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:05,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:58:05,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:05,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 36 states and 46 transitions. [2024-11-08 22:58:05,642 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2024-11-08 22:58:05,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 22:58:05,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:05,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:58:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:05,712 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:58:05,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:05,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 47 states and 66 transitions. [2024-11-08 22:58:05,769 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 66 transitions. [2024-11-08 22:58:05,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-08 22:58:05,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:05,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:58:05,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:05,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:58:05,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:05,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 57 states and 84 transitions. [2024-11-08 22:58:05,878 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 84 transitions. [2024-11-08 22:58:05,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:58:05,879 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:05,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:58:05,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:05,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:58:06,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:06,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 60 states and 92 transitions. [2024-11-08 22:58:06,044 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 92 transitions. [2024-11-08 22:58:06,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:58:06,045 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:06,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:58:06,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:06,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:58:06,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:06,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 69 states and 109 transitions. [2024-11-08 22:58:06,220 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 109 transitions. [2024-11-08 22:58:06,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:58:06,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:06,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:58:06,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:06,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:58:06,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:06,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 71 states and 111 transitions. [2024-11-08 22:58:06,394 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 111 transitions. [2024-11-08 22:58:06,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:58:06,395 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:06,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:58:06,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:06,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:58:06,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:06,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 73 states and 113 transitions. [2024-11-08 22:58:06,477 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 113 transitions. [2024-11-08 22:58:06,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:58:06,479 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:06,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:58:06,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:06,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:58:06,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:06,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 75 states and 115 transitions. [2024-11-08 22:58:06,586 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 115 transitions. [2024-11-08 22:58:06,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 22:58:06,587 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:06,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:58:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:06,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:58:06,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:06,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 87 states and 145 transitions. [2024-11-08 22:58:06,959 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 145 transitions. [2024-11-08 22:58:06,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:58:06,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:06,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:58:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:07,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:58:07,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:07,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 89 states and 147 transitions. [2024-11-08 22:58:07,052 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 147 transitions. [2024-11-08 22:58:07,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:58:07,053 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:07,053 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:58:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:07,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:58:07,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:07,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 87 states and 143 transitions. [2024-11-08 22:58:07,130 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 143 transitions. [2024-11-08 22:58:07,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:58:07,135 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:07,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:58:07,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:07,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:58:07,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:07,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 85 states and 139 transitions. [2024-11-08 22:58:07,215 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 139 transitions. [2024-11-08 22:58:07,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:58:07,216 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:07,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:58:07,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:07,266 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:58:07,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:07,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 87 states and 141 transitions. [2024-11-08 22:58:07,304 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 141 transitions. [2024-11-08 22:58:07,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:58:07,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:07,306 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:58:07,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:07,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:58:07,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:07,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 78 states and 126 transitions. [2024-11-08 22:58:07,392 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 126 transitions. [2024-11-08 22:58:07,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:58:07,393 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:07,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:58:07,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:07,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:58:07,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:07,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 84 states and 141 transitions. [2024-11-08 22:58:07,714 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 141 transitions. [2024-11-08 22:58:07,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 22:58:07,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:07,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:58:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:07,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:58:07,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:07,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 82 states and 137 transitions. [2024-11-08 22:58:07,794 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 137 transitions. [2024-11-08 22:58:07,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 22:58:07,795 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:07,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:58:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:07,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:58:07,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:07,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 80 states and 133 transitions. [2024-11-08 22:58:07,883 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 133 transitions. [2024-11-08 22:58:07,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 22:58:07,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:07,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:58:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:07,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:58:07,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:07,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 82 states and 135 transitions. [2024-11-08 22:58:07,957 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 135 transitions. [2024-11-08 22:58:07,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:58:07,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:07,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:58:07,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:07,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:58:08,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:08,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 90 states and 150 transitions. [2024-11-08 22:58:08,113 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 150 transitions. [2024-11-08 22:58:08,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 22:58:08,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:08,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:58:08,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:08,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:58:08,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:08,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 82 states and 135 transitions. [2024-11-08 22:58:08,174 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 135 transitions. [2024-11-08 22:58:08,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:08,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:08,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:58:08,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:08,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:58:08,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:08,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 80 states and 131 transitions. [2024-11-08 22:58:08,240 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 131 transitions. [2024-11-08 22:58:08,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:08,241 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:08,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:58:08,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:08,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:58:08,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:08,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 78 states and 127 transitions. [2024-11-08 22:58:08,304 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 127 transitions. [2024-11-08 22:58:08,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:08,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:08,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:58:08,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:08,333 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:58:08,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:08,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 80 states and 129 transitions. [2024-11-08 22:58:08,370 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 129 transitions. [2024-11-08 22:58:08,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 22:58:08,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:08,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:58:08,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:08,391 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-08 22:58:08,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:08,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 83 states and 132 transitions. [2024-11-08 22:58:08,553 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 132 transitions. [2024-11-08 22:58:08,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:08,554 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:08,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:58:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:08,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:58:08,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:08,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 76 states and 120 transitions. [2024-11-08 22:58:08,644 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 120 transitions. [2024-11-08 22:58:08,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:08,645 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:08,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:58:08,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:08,739 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:58:09,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:09,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 80 states and 130 transitions. [2024-11-08 22:58:09,139 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 130 transitions. [2024-11-08 22:58:09,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 22:58:09,139 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:09,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:58:09,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:58:09,148 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:58:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:58:09,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:58:09,196 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:58:09,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:58:09,224 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 28 iterations. [2024-11-08 22:58:09,270 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:58:09 ImpRootNode [2024-11-08 22:58:09,271 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:58:09,271 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:58:09,271 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:58:09,271 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:58:09,272 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:58:05" (3/4) ... [2024-11-08 22:58:09,273 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 22:58:09,315 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d062606-455a-4ab4-af94-86257b130e41/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 22:58:09,315 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:58:09,316 INFO L158 Benchmark]: Toolchain (without parser) took 4977.39ms. Allocated memory was 146.8MB in the beginning and 211.8MB in the end (delta: 65.0MB). Free memory was 106.0MB in the beginning and 135.8MB in the end (delta: -29.7MB). Peak memory consumption was 37.4MB. Max. memory is 16.1GB. [2024-11-08 22:58:09,317 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 146.8MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:58:09,317 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.78ms. Allocated memory is still 146.8MB. Free memory was 105.7MB in the beginning and 93.8MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-08 22:58:09,318 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.10ms. Allocated memory is still 146.8MB. Free memory was 93.8MB in the beginning and 92.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:58:09,318 INFO L158 Benchmark]: Boogie Preprocessor took 24.26ms. Allocated memory is still 146.8MB. Free memory was 92.4MB in the beginning and 91.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:58:09,319 INFO L158 Benchmark]: RCFGBuilder took 500.00ms. Allocated memory was 146.8MB in the beginning and 211.8MB in the end (delta: 65.0MB). Free memory was 91.3MB in the beginning and 181.3MB in the end (delta: -90.0MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. [2024-11-08 22:58:09,320 INFO L158 Benchmark]: CodeCheck took 4059.22ms. Allocated memory is still 211.8MB. Free memory was 181.2MB in the beginning and 137.9MB in the end (delta: 43.4MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. [2024-11-08 22:58:09,320 INFO L158 Benchmark]: Witness Printer took 44.52ms. Allocated memory is still 211.8MB. Free memory was 137.9MB in the beginning and 135.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:58:09,323 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, 38 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 4.0s, OverallIterations: 28, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4774 SdHoareTripleChecker+Valid, 6.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4056 mSDsluCounter, 8463 SdHoareTripleChecker+Invalid, 5.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6351 mSDsCounter, 729 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3197 IncrementalHoareTripleChecker+Invalid, 3926 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 729 mSolverCounterUnsat, 2112 mSDtfsCounter, 3197 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4560 GetRequests, 4229 SyntacticMatches, 277 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1162 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 471 NumberOfCodeBlocks, 471 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 424 ConstructedInterpolants, 0 QuantifiedInterpolants, 1510 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 27 InterpolantComputations, 25 PerfectInterpolantSequences, 1/7 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 FALSE !(x > 0) VAL [d=-1, x=2147483647] [L80] COND TRUE x > 0 VAL [d=-1, x=2147483647] [L81] x - d * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 146.8MB. Free memory is still 90.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.78ms. Allocated memory is still 146.8MB. Free memory was 105.7MB in the beginning and 93.8MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.10ms. Allocated memory is still 146.8MB. Free memory was 93.8MB in the beginning and 92.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.26ms. Allocated memory is still 146.8MB. Free memory was 92.4MB in the beginning and 91.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 500.00ms. Allocated memory was 146.8MB in the beginning and 211.8MB in the end (delta: 65.0MB). Free memory was 91.3MB in the beginning and 181.3MB in the end (delta: -90.0MB). Peak memory consumption was 25.9MB. Max. memory is 16.1GB. * CodeCheck took 4059.22ms. Allocated memory is still 211.8MB. Free memory was 181.2MB in the beginning and 137.9MB in the end (delta: 43.4MB). Peak memory consumption was 42.9MB. Max. memory is 16.1GB. * Witness Printer took 44.52ms. Allocated memory is still 211.8MB. Free memory was 137.9MB in the beginning and 135.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-08 22:58:09,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d062606-455a-4ab4-af94-86257b130e41/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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)