./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_03cb59ed-24f5-4ef1-9ebe-12ca19f1051f/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03cb59ed-24f5-4ef1-9ebe-12ca19f1051f/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_03cb59ed-24f5-4ef1-9ebe-12ca19f1051f/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03cb59ed-24f5-4ef1-9ebe-12ca19f1051f/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03cb59ed-24f5-4ef1-9ebe-12ca19f1051f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03cb59ed-24f5-4ef1-9ebe-12ca19f1051f/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 32bit --witnessprinter.graph.data.programhash fee025173b123742b5b08bb8895dc7c9911cdbb928d94cbe9fdb074ddb7a3572 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:44:26,571 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:44:26,644 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03cb59ed-24f5-4ef1-9ebe-12ca19f1051f/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-08 23:44:26,649 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:44:26,649 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:44:26,696 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:44:26,697 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:44:26,698 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:44:26,699 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:44:26,699 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:44:26,700 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:44:26,700 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:44:26,701 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:44:26,701 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:44:26,702 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:44:26,702 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:44:26,703 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:44:26,703 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:44:26,703 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:44:26,704 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:44:26,704 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-08 23:44:26,709 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 23:44:26,710 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:44:26,710 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:44:26,710 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:44:26,711 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:44:26,711 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:44:26,711 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:44:26,712 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:44:26,712 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:44:26,712 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:44:26,713 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:44:26,713 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:44:26,713 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:44:26,714 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:44:26,714 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_03cb59ed-24f5-4ef1-9ebe-12ca19f1051f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03cb59ed-24f5-4ef1-9ebe-12ca19f1051f/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fee025173b123742b5b08bb8895dc7c9911cdbb928d94cbe9fdb074ddb7a3572 [2024-11-08 23:44:27,077 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:44:27,100 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:44:27,104 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:44:27,105 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:44:27,106 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:44:27,108 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03cb59ed-24f5-4ef1-9ebe-12ca19f1051f/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound100.c Unable to find full path for "g++" [2024-11-08 23:44:29,055 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:44:29,219 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:44:29,219 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03cb59ed-24f5-4ef1-9ebe-12ca19f1051f/sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound100.c [2024-11-08 23:44:29,226 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03cb59ed-24f5-4ef1-9ebe-12ca19f1051f/bin/ukojak-verify-ImItNfHLgk/data/44fc60365/93332dfe8235419b9dd1bfe2b6cb022e/FLAG3247937aa [2024-11-08 23:44:29,241 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03cb59ed-24f5-4ef1-9ebe-12ca19f1051f/bin/ukojak-verify-ImItNfHLgk/data/44fc60365/93332dfe8235419b9dd1bfe2b6cb022e [2024-11-08 23:44:29,243 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:44:29,244 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:44:29,246 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:44:29,246 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:44:29,265 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:44:29,266 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:44:29" (1/1) ... [2024-11-08 23:44:29,267 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ebb34dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:29, skipping insertion in model container [2024-11-08 23:44:29,267 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:44:29" (1/1) ... [2024-11-08 23:44:29,296 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:44:29,502 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:44:29,512 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:44:29,532 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:44:29,548 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:44:29,548 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:29 WrapperNode [2024-11-08 23:44:29,548 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:44:29,549 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:44:29,549 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:44:29,549 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:44:29,555 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:29" (1/1) ... [2024-11-08 23:44:29,562 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:29" (1/1) ... [2024-11-08 23:44:29,585 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 71 [2024-11-08 23:44:29,586 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:44:29,586 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:44:29,586 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:44:29,587 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:44:29,597 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:29" (1/1) ... [2024-11-08 23:44:29,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:29" (1/1) ... [2024-11-08 23:44:29,599 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:29" (1/1) ... [2024-11-08 23:44:29,599 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:29" (1/1) ... [2024-11-08 23:44:29,608 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:29" (1/1) ... [2024-11-08 23:44:29,611 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:29" (1/1) ... [2024-11-08 23:44:29,613 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:29" (1/1) ... [2024-11-08 23:44:29,614 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:29" (1/1) ... [2024-11-08 23:44:29,615 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:44:29,616 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:44:29,616 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:44:29,616 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:44:29,617 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:44:29" (1/1) ... [2024-11-08 23:44:29,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:44:29,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03cb59ed-24f5-4ef1-9ebe-12ca19f1051f/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:44:29,686 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03cb59ed-24f5-4ef1-9ebe-12ca19f1051f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:44:29,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03cb59ed-24f5-4ef1-9ebe-12ca19f1051f/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:44:29,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:44:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:44:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:44:29,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:44:29,734 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-08 23:44:29,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-08 23:44:29,811 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:44:29,814 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:44:30,251 INFO L? ?]: Removed 53 outVars from TransFormulas that were not future-live. [2024-11-08 23:44:30,252 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:44:30,302 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:44:30,303 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:44:30,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:44:30 BoogieIcfgContainer [2024-11-08 23:44:30,303 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:44:30,304 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:44:30,305 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:44:30,315 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:44:30,316 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:44:30" (1/1) ... [2024-11-08 23:44:30,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:44:30,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:30,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 58 states and 61 transitions. [2024-11-08 23:44:30,399 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2024-11-08 23:44:30,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-08 23:44:30,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:30,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:44:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:30,676 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 23:44:30,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:30,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 60 states and 63 transitions. [2024-11-08 23:44:30,729 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2024-11-08 23:44:30,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-08 23:44:30,730 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:30,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:44:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:30,817 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 23:44:30,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:30,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 61 states and 64 transitions. [2024-11-08 23:44:30,832 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2024-11-08 23:44:30,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:44:30,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:30,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:44:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:30,918 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 23:44:30,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:30,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 62 states and 65 transitions. [2024-11-08 23:44:30,944 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 65 transitions. [2024-11-08 23:44:30,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:44:30,944 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:30,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:44:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:44:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:30,993 INFO L255 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 23:44:30,996 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:31,025 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 23:44:31,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:31,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 67 states and 72 transitions. [2024-11-08 23:44:31,212 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2024-11-08 23:44:31,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:44:31,213 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:31,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:44:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:44:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:31,238 INFO L255 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 23:44:31,239 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:31,254 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 23:44:31,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:31,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 68 states and 73 transitions. [2024-11-08 23:44:31,270 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 73 transitions. [2024-11-08 23:44:31,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-08 23:44:31,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:31,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:44:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:44:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:31,297 INFO L255 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 23:44:31,298 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:31,327 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 23:44:31,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:31,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 69 states and 74 transitions. [2024-11-08 23:44:31,349 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 74 transitions. [2024-11-08 23:44:31,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:44:31,349 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:31,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:44:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:31,428 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 23:44:31,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:31,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 70 states and 75 transitions. [2024-11-08 23:44:31,446 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 75 transitions. [2024-11-08 23:44:31,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 23:44:31,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:31,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:44:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:44:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:31,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:44:31,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:31,573 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 23:44:32,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:32,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 79 states and 86 transitions. [2024-11-08 23:44:32,012 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2024-11-08 23:44:32,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 23:44:32,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:32,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:44:32,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:32,222 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 23:44:32,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:32,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 89 states and 100 transitions. [2024-11-08 23:44:32,884 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 100 transitions. [2024-11-08 23:44:32,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 23:44:32,884 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:32,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:44:32,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:33,034 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 23:44:33,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:33,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 90 states and 102 transitions. [2024-11-08 23:44:33,396 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 102 transitions. [2024-11-08 23:44:33,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:44:33,397 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:33,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:44:33,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:33,502 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 23:44:33,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:33,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 92 states and 105 transitions. [2024-11-08 23:44:33,904 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 105 transitions. [2024-11-08 23:44:33,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:44:33,911 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:33,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:44:33,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:44:33,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:33,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 23:44:33,964 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:34,010 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 23:44:34,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:34,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 95 states and 111 transitions. [2024-11-08 23:44:34,095 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 111 transitions. [2024-11-08 23:44:34,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 23:44:34,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:34,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:44:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:34,263 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 23:44:35,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:35,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 110 states and 134 transitions. [2024-11-08 23:44:35,674 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 134 transitions. [2024-11-08 23:44:35,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:44:35,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:35,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:44:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:44:35,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:35,704 INFO L255 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 23:44:35,705 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:35,743 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 23:44:35,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:35,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 111 states and 135 transitions. [2024-11-08 23:44:35,770 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 135 transitions. [2024-11-08 23:44:35,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:44:35,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:35,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:44:35,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:35,823 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 23:44:35,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:35,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 112 states and 136 transitions. [2024-11-08 23:44:35,853 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 136 transitions. [2024-11-08 23:44:35,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:44:35,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:35,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:44:35,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:36,085 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 23:44:36,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:36,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 113 states and 138 transitions. [2024-11-08 23:44:36,257 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 138 transitions. [2024-11-08 23:44:36,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-08 23:44:36,258 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:36,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:44:36,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:36,814 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 23:44:38,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:38,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 116 states and 142 transitions. [2024-11-08 23:44:38,567 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 142 transitions. [2024-11-08 23:44:38,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 23:44:38,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:38,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:44:38,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:44:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:38,593 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-08 23:44:38,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:44:38,829 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 23:44:39,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:39,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 118 states and 145 transitions. [2024-11-08 23:44:39,190 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 145 transitions. [2024-11-08 23:44:39,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 23:44:39,191 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:39,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:44:39,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:44:40,191 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 23:44:44,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:44:44,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 122 states and 150 transitions. [2024-11-08 23:44:44,261 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 150 transitions. [2024-11-08 23:44:44,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 23:44:44,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:44:44,262 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:44:44,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:52,174 WARN L286 SmtUtils]: Spent 13.91s on a formula simplification that was a NOOP. DAG size: 12 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 23:48:05,813 WARN L286 SmtUtils]: Spent 10.10s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:48:15,988 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 23:49:20,534 WARN L286 SmtUtils]: Spent 12.17s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:50:26,265 WARN L286 SmtUtils]: Spent 30.09s on a formula simplification that was a NOOP. DAG size: 28 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:51:42,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:42,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 127 states and 160 transitions. [2024-11-08 23:51:42,817 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 160 transitions. [2024-11-08 23:51:42,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 23:51:42,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:42,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:51:42,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:43,631 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 23:51:43,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:43,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 126 states and 159 transitions. [2024-11-08 23:51:43,728 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 159 transitions. [2024-11-08 23:51:43,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:51:43,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:43,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:51:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:02,406 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 23:53:01,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:01,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 139 states and 177 transitions. [2024-11-08 23:53:01,373 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 177 transitions. [2024-11-08 23:53:01,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-08 23:53:01,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:01,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:53:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:06,412 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 23:53:53,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:53,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 149 states and 189 transitions. [2024-11-08 23:53:53,945 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 189 transitions. [2024-11-08 23:53:53,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-08 23:53:53,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:53,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:53:53,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:53:53,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:53,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 23:53:53,988 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:53:54,882 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 23:54:25,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:25,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 167 states and 211 transitions. [2024-11-08 23:54:25,096 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 211 transitions. [2024-11-08 23:54:25,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 23:54:25,097 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:25,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:54:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 23:54:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:54:25,131 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:54:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:54:25,175 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 25 iterations. [2024-11-08 23:54:25,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:54:25 ImpRootNode [2024-11-08 23:54:25,219 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:54:25,220 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:54:25,220 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:54:25,220 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:54:25,221 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:44:30" (3/4) ... [2024-11-08 23:54:25,221 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-08 23:54:25,269 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03cb59ed-24f5-4ef1-9ebe-12ca19f1051f/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-08 23:54:25,269 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:54:25,270 INFO L158 Benchmark]: Toolchain (without parser) took 596025.92ms. Allocated memory was 130.0MB in the beginning and 230.7MB in the end (delta: 100.7MB). Free memory was 65.4MB in the beginning and 163.5MB in the end (delta: -98.1MB). Peak memory consumption was 5.3MB. Max. memory is 16.1GB. [2024-11-08 23:54:25,270 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 130.0MB. Free memory is still 101.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:54:25,271 INFO L158 Benchmark]: CACSL2BoogieTranslator took 303.00ms. Allocated memory was 130.0MB in the beginning and 190.8MB in the end (delta: 60.8MB). Free memory was 65.3MB in the beginning and 154.0MB in the end (delta: -88.7MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2024-11-08 23:54:25,272 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.56ms. Allocated memory is still 190.8MB. Free memory was 154.0MB in the beginning and 151.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:54:25,273 INFO L158 Benchmark]: Boogie Preprocessor took 29.24ms. Allocated memory is still 190.8MB. Free memory was 151.9MB in the beginning and 160.9MB in the end (delta: -9.0MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. [2024-11-08 23:54:25,273 INFO L158 Benchmark]: RCFGBuilder took 687.34ms. Allocated memory is still 190.8MB. Free memory was 160.9MB in the beginning and 142.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2024-11-08 23:54:25,274 INFO L158 Benchmark]: CodeCheck took 594914.91ms. Allocated memory was 190.8MB in the beginning and 230.7MB in the end (delta: 39.8MB). Free memory was 142.0MB in the beginning and 165.6MB in the end (delta: -23.6MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. [2024-11-08 23:54:25,274 INFO L158 Benchmark]: Witness Printer took 49.61ms. Allocated memory is still 230.7MB. Free memory was 165.6MB in the beginning and 163.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:54:25,276 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, 58 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 594.8s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2225 SdHoareTripleChecker+Valid, 16.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1744 mSDsluCounter, 348 SdHoareTripleChecker+Invalid, 14.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 116 mSDsCounter, 577 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 5110 IncrementalHoareTripleChecker+Invalid, 5687 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 577 mSolverCounterUnsat, 232 mSDtfsCounter, 5110 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2897 GetRequests, 2621 SyntacticMatches, 88 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20028 ImplicationChecksByTransitivity, 575.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 240.3s InterpolantComputationTime, 384 NumberOfCodeBlocks, 384 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 335 ConstructedInterpolants, 0 QuantifiedInterpolants, 1969 SizeOfPredicates, 0 NumberOfNonLiveVariables, 379 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 24 InterpolantComputations, 24 PerfectInterpolantSequences, 0/0 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: 41]: integer overflow possible integer overflow possible We found a FailurePath: [L22] int counter = 0; [L24] unsigned int z, k; [L25] long long x, y, c; [L26] z = __VERIFIER_nondet_uint() [L27] k = __VERIFIER_nondet_uint() [L29] x = 1 [L30] y = z [L31] c = 1 VAL [c=1, counter=0, x=1, y=3037000500, z=7331967796] [L33] EXPR counter++ VAL [c=1, counter=1, x=1, y=3037000500, z=7331967796] [L33] COND TRUE counter++<100 [L34] EXPR x*z VAL [c=1, counter=1, x=1, y=3037000500, z=7331967796] [L34] EXPR x*z - x VAL [c=1, counter=1, x=1, y=3037000500, z=7331967796] [L34] EXPR x*z - x - y VAL [c=1, counter=1, x=1, y=3037000500, z=7331967796] [L34] EXPR x*z - x - y + 1 VAL [c=1, counter=1, x=1, y=3037000500, z=7331967796] [L34] CALL __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [counter=1] [L16] COND FALSE !(!(cond)) [L34] RET __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [c=1, counter=1, x=1, y=3037000500, z=7331967796] [L36] COND FALSE !(!(c < k)) VAL [c=1, counter=1, k=2, x=1, y=3037000500, z=7331967796] [L39] EXPR c + 1 [L39] c = c + 1 VAL [c=2, counter=1, k=2, x=1, y=3037000500, z=7331967796] [L40] EXPR x * z VAL [c=2, counter=1, k=2, x=1, y=3037000500, z=7331967796] [L40] EXPR x * z + 1 [L40] x = x * z + 1 VAL [c=2, counter=1, k=2, x=3037000501, y=3037000500, z=7331967796] [L41] y * z VAL [c=2, counter=1, k=2, x=3037000501] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 130.0MB. Free memory is still 101.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 303.00ms. Allocated memory was 130.0MB in the beginning and 190.8MB in the end (delta: 60.8MB). Free memory was 65.3MB in the beginning and 154.0MB in the end (delta: -88.7MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.56ms. Allocated memory is still 190.8MB. Free memory was 154.0MB in the beginning and 151.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.24ms. Allocated memory is still 190.8MB. Free memory was 151.9MB in the beginning and 160.9MB in the end (delta: -9.0MB). Peak memory consumption was 4.5MB. Max. memory is 16.1GB. * RCFGBuilder took 687.34ms. Allocated memory is still 190.8MB. Free memory was 160.9MB in the beginning and 142.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 594914.91ms. Allocated memory was 190.8MB in the beginning and 230.7MB in the end (delta: 39.8MB). Free memory was 142.0MB in the beginning and 165.6MB in the end (delta: -23.6MB). Peak memory consumption was 18.2MB. Max. memory is 16.1GB. * Witness Printer took 49.61ms. Allocated memory is still 230.7MB. Free memory was 165.6MB in the beginning and 163.5MB 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 23:54:25,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03cb59ed-24f5-4ef1-9ebe-12ca19f1051f/bin/ukojak-verify-ImItNfHLgk/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)