./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-nla/egcd2-both-nt.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_db992844-4534-4ed4-b9dc-daddc9f6bfb6/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db992844-4534-4ed4-b9dc-daddc9f6bfb6/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_db992844-4534-4ed4-b9dc-daddc9f6bfb6/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db992844-4534-4ed4-b9dc-daddc9f6bfb6/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-nla/egcd2-both-nt.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db992844-4534-4ed4-b9dc-daddc9f6bfb6/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_db992844-4534-4ed4-b9dc-daddc9f6bfb6/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 4b8e7a0340ae3342090517f2a88c3de1beaa3d83173c8c0fc0ae95ebc1f42c80 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:48:25,002 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:48:25,116 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db992844-4534-4ed4-b9dc-daddc9f6bfb6/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-09 00:48:25,125 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:48:25,126 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:48:25,166 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:48:25,167 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:48:25,168 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:48:25,169 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:48:25,169 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:48:25,170 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:48:25,171 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:48:25,171 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:48:25,172 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:48:25,172 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:48:25,173 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:48:25,173 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:48:25,174 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:48:25,174 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:48:25,175 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:48:25,175 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 00:48:25,180 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 00:48:25,180 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:48:25,181 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:48:25,181 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:48:25,181 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:48:25,182 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:48:25,182 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:48:25,183 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:48:25,183 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:48:25,183 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:48:25,185 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:48:25,185 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:48:25,185 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:48:25,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:48:25,194 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_db992844-4534-4ed4-b9dc-daddc9f6bfb6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db992844-4534-4ed4-b9dc-daddc9f6bfb6/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4b8e7a0340ae3342090517f2a88c3de1beaa3d83173c8c0fc0ae95ebc1f42c80 [2024-11-09 00:48:25,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:48:25,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:48:25,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:48:25,599 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:48:25,600 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:48:25,602 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db992844-4534-4ed4-b9dc-daddc9f6bfb6/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/termination-nla/egcd2-both-nt.c Unable to find full path for "g++" [2024-11-09 00:48:28,069 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:48:28,333 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:48:28,334 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db992844-4534-4ed4-b9dc-daddc9f6bfb6/sv-benchmarks/c/termination-nla/egcd2-both-nt.c [2024-11-09 00:48:28,344 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db992844-4534-4ed4-b9dc-daddc9f6bfb6/bin/ukojak-verify-ImItNfHLgk/data/9c014418e/a3a7b905022a45589f5a25a509c32586/FLAG051bab5f9 [2024-11-09 00:48:28,365 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db992844-4534-4ed4-b9dc-daddc9f6bfb6/bin/ukojak-verify-ImItNfHLgk/data/9c014418e/a3a7b905022a45589f5a25a509c32586 [2024-11-09 00:48:28,369 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:48:28,371 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:48:28,373 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:48:28,373 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:48:28,383 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:48:28,384 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:48:28" (1/1) ... [2024-11-09 00:48:28,386 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41c8c830 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:28, skipping insertion in model container [2024-11-09 00:48:28,386 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:48:28" (1/1) ... [2024-11-09 00:48:28,420 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:48:28,713 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:48:28,720 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:48:28,745 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:48:28,768 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:48:28,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:28 WrapperNode [2024-11-09 00:48:28,769 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:48:28,771 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:48:28,771 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:48:28,771 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:48:28,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:28" (1/1) ... [2024-11-09 00:48:28,786 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:28" (1/1) ... [2024-11-09 00:48:28,810 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 76 [2024-11-09 00:48:28,811 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:48:28,812 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:48:28,812 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:48:28,812 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:48:28,824 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:28" (1/1) ... [2024-11-09 00:48:28,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:28" (1/1) ... [2024-11-09 00:48:28,825 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:28" (1/1) ... [2024-11-09 00:48:28,826 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:28" (1/1) ... [2024-11-09 00:48:28,829 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:28" (1/1) ... [2024-11-09 00:48:28,837 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:28" (1/1) ... [2024-11-09 00:48:28,838 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:28" (1/1) ... [2024-11-09 00:48:28,839 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:28" (1/1) ... [2024-11-09 00:48:28,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:48:28,846 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:48:28,851 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:48:28,851 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:48:28,852 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:48:28" (1/1) ... [2024-11-09 00:48:28,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:48:28,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db992844-4534-4ed4-b9dc-daddc9f6bfb6/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:48:28,896 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db992844-4534-4ed4-b9dc-daddc9f6bfb6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:48:28,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db992844-4534-4ed4-b9dc-daddc9f6bfb6/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:48:28,927 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:48:28,927 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:48:28,981 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:48:28,983 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:48:29,227 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2024-11-09 00:48:29,228 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:48:29,259 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:48:29,259 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 00:48:29,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:48:29 BoogieIcfgContainer [2024-11-09 00:48:29,260 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:48:29,261 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:48:29,261 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:48:29,274 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:48:29,276 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:48:29" (1/1) ... [2024-11-09 00:48:29,286 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:48:29,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:29,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 46 states and 51 transitions. [2024-11-09 00:48:29,349 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 51 transitions. [2024-11-09 00:48:29,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-09 00:48:29,353 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:29,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:48:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:48:29,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:29,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 00:48:29,502 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:29,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:48:29,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:29,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 49 states and 55 transitions. [2024-11-09 00:48:29,608 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 55 transitions. [2024-11-09 00:48:29,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:48:29,608 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:29,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:48:29,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:48:29,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:29,662 INFO L255 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 00:48:29,663 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:29,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:48:29,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:29,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 50 states and 56 transitions. [2024-11-09 00:48:29,729 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 56 transitions. [2024-11-09 00:48:29,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:48:29,730 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:29,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:48:29,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:48:29,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:29,789 INFO L255 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:48:29,791 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:29,897 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:48:30,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:30,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 55 states and 65 transitions. [2024-11-09 00:48:30,089 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 65 transitions. [2024-11-09 00:48:30,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 00:48:30,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:30,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:48:30,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:48:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:30,154 INFO L255 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:48:30,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:30,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:48:30,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:30,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 61 states and 76 transitions. [2024-11-09 00:48:30,768 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 76 transitions. [2024-11-09 00:48:30,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:48:30,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:30,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:48:30,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:48:30,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:30,830 INFO L255 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:48:30,832 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:30,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:48:31,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:31,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 64 states and 81 transitions. [2024-11-09 00:48:31,309 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions. [2024-11-09 00:48:31,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-09 00:48:31,310 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:31,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:48:31,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:48:31,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:31,370 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 00:48:31,373 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:31,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:48:32,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:32,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 65 states and 82 transitions. [2024-11-09 00:48:32,433 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2024-11-09 00:48:32,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-09 00:48:32,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:32,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:48:32,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:32,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:48:35,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:35,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 75 states and 99 transitions. [2024-11-09 00:48:35,729 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 99 transitions. [2024-11-09 00:48:35,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:48:35,729 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:35,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:48:35,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:48:35,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:35,767 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 00:48:35,769 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:35,861 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:48:38,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:38,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 86 states and 118 transitions. [2024-11-09 00:48:38,469 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 118 transitions. [2024-11-09 00:48:38,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:48:38,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:38,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:48:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:38,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:48:41,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:41,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 97 states and 137 transitions. [2024-11-09 00:48:41,142 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 137 transitions. [2024-11-09 00:48:41,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:48:41,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:41,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:48:41,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:48:41,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:41,166 INFO L255 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 00:48:41,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:41,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:48:41,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:41,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 98 states and 138 transitions. [2024-11-09 00:48:41,208 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 138 transitions. [2024-11-09 00:48:41,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 00:48:41,209 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:41,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:48:41,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:41,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:48:44,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:44,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 108 states and 156 transitions. [2024-11-09 00:48:44,022 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 156 transitions. [2024-11-09 00:48:44,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:48:44,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:44,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:48:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:44,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:48:45,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:45,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 115 states and 171 transitions. [2024-11-09 00:48:45,769 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 171 transitions. [2024-11-09 00:48:45,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:48:45,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:45,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:48:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:45,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:48:48,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:48,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 126 states and 197 transitions. [2024-11-09 00:48:48,400 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 197 transitions. [2024-11-09 00:48:48,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:48:48,401 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:48,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:48:48,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:48:48,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:48,445 INFO L255 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:48:48,446 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:48,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:48:51,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:51,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 134 states and 212 transitions. [2024-11-09 00:48:51,195 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 212 transitions. [2024-11-09 00:48:51,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:48:51,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:51,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:48:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:51,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:48:53,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:53,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 140 states and 227 transitions. [2024-11-09 00:48:53,718 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 227 transitions. [2024-11-09 00:48:53,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 00:48:53,719 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:53,719 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:48:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:48:53,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:53,746 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 00:48:53,747 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:48:54,621 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:48:55,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:48:55,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 146 states and 238 transitions. [2024-11-09 00:48:55,842 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 238 transitions. [2024-11-09 00:48:55,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 00:48:55,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:48:55,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:48:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:56,732 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:49:05,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:05,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 153 states and 254 transitions. [2024-11-09 00:49:05,865 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 254 transitions. [2024-11-09 00:49:05,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:49:05,865 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:05,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:49:05,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:49:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:05,887 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 00:49:05,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:06,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:49:06,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:06,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 154 states and 255 transitions. [2024-11-09 00:49:06,790 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 255 transitions. [2024-11-09 00:49:06,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:49:06,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:06,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:49:06,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:06,936 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:49:13,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:13,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 162 states and 274 transitions. [2024-11-09 00:49:13,712 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 274 transitions. [2024-11-09 00:49:13,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:49:13,713 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:13,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:49:13,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:13,741 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:49:14,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:14,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 164 states and 277 transitions. [2024-11-09 00:49:14,303 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 277 transitions. [2024-11-09 00:49:14,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:49:14,303 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:14,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:49:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:14,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:49:18,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:18,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 173 states and 298 transitions. [2024-11-09 00:49:18,440 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 298 transitions. [2024-11-09 00:49:18,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:49:18,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:18,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:49:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:19,294 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:49:30,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:30,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 182 states and 319 transitions. [2024-11-09 00:49:30,179 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 319 transitions. [2024-11-09 00:49:30,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:49:30,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:30,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:49:30,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:30,208 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:49:34,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:34,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 184 states and 322 transitions. [2024-11-09 00:49:34,705 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 322 transitions. [2024-11-09 00:49:34,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 00:49:34,705 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:34,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:49:34,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:49:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:34,728 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 00:49:34,729 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:49:35,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:49:39,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:39,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 194 states and 347 transitions. [2024-11-09 00:49:39,388 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 347 transitions. [2024-11-09 00:49:39,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 00:49:39,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:39,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:49:39,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:40,146 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:49:56,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:56,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 201 states and 364 transitions. [2024-11-09 00:49:56,561 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 364 transitions. [2024-11-09 00:49:56,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 00:49:56,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:56,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:49:56,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:56,593 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:49:57,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:57,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 202 states and 365 transitions. [2024-11-09 00:49:57,378 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 365 transitions. [2024-11-09 00:49:57,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 00:49:57,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:57,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:49:57,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:49:57,400 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:50:02,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:02,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 205 states and 369 transitions. [2024-11-09 00:50:02,710 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 369 transitions. [2024-11-09 00:50:02,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 00:50:02,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:02,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:03,414 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:50:21,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:21,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 213 states and 387 transitions. [2024-11-09 00:50:21,272 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 387 transitions. [2024-11-09 00:50:21,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 00:50:21,273 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:21,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:21,299 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:50:27,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:27,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 217 states and 392 transitions. [2024-11-09 00:50:27,046 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 392 transitions. [2024-11-09 00:50:27,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 00:50:27,047 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:27,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:50:27,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:27,090 INFO L255 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 00:50:27,091 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 00:50:27,304 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:50:29,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:29,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 226 states and 405 transitions. [2024-11-09 00:50:29,014 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 405 transitions. [2024-11-09 00:50:29,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 00:50:29,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:29,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:29,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 00:50:29,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:50:29,037 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 00:50:29,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 00:50:29,058 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 31 iterations. [2024-11-09 00:50:29,094 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.11 12:50:29 ImpRootNode [2024-11-09 00:50:29,094 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-09 00:50:29,094 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 00:50:29,095 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 00:50:29,095 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 00:50:29,095 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:48:29" (3/4) ... [2024-11-09 00:50:29,097 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-09 00:50:29,147 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db992844-4534-4ed4-b9dc-daddc9f6bfb6/bin/ukojak-verify-ImItNfHLgk/witness.graphml [2024-11-09 00:50:29,147 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 00:50:29,148 INFO L158 Benchmark]: Toolchain (without parser) took 120777.64ms. Allocated memory was 115.3MB in the beginning and 172.0MB in the end (delta: 56.6MB). Free memory was 80.8MB in the beginning and 67.2MB in the end (delta: 13.6MB). Peak memory consumption was 72.7MB. Max. memory is 16.1GB. [2024-11-09 00:50:29,149 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 115.3MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:50:29,149 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.88ms. Allocated memory is still 115.3MB. Free memory was 80.4MB in the beginning and 68.6MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 00:50:29,150 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.33ms. Allocated memory is still 115.3MB. Free memory was 68.6MB in the beginning and 67.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 00:50:29,150 INFO L158 Benchmark]: Boogie Preprocessor took 33.16ms. Allocated memory is still 115.3MB. Free memory was 67.1MB in the beginning and 66.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 00:50:29,151 INFO L158 Benchmark]: RCFGBuilder took 414.31ms. Allocated memory is still 115.3MB. Free memory was 66.1MB in the beginning and 52.1MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 00:50:29,151 INFO L158 Benchmark]: CodeCheck took 119833.01ms. Allocated memory was 115.3MB in the beginning and 172.0MB in the end (delta: 56.6MB). Free memory was 52.1MB in the beginning and 70.3MB in the end (delta: -18.2MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. [2024-11-09 00:50:29,152 INFO L158 Benchmark]: Witness Printer took 53.04ms. Allocated memory is still 172.0MB. Free memory was 70.3MB in the beginning and 67.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 00:50:29,155 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 1 procedures, 46 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 119.8s, OverallIterations: 31, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6223 SdHoareTripleChecker+Valid, 35.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5720 mSDsluCounter, 2718 SdHoareTripleChecker+Invalid, 31.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2166 mSDsCounter, 1477 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15641 IncrementalHoareTripleChecker+Invalid, 17118 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1477 mSolverCounterUnsat, 552 mSDtfsCounter, 15641 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4647 GetRequests, 3949 SyntacticMatches, 144 SemanticMatches, 554 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 185838 ImplicationChecksByTransitivity, 113.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 8.7s InterpolantComputationTime, 517 NumberOfCodeBlocks, 517 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 463 ConstructedInterpolants, 0 QuantifiedInterpolants, 2087 SizeOfPredicates, 0 NumberOfNonLiveVariables, 583 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 30 InterpolantComputations, 30 PerfectInterpolantSequences, 47/47 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: 52]: integer overflow possible integer overflow possible We found a FailurePath: [L19] int x, y; [L20] int a, b, p, q, r, s, c, k; [L21] x = __VERIFIER_nondet_int() [L22] y = __VERIFIER_nondet_int() [L25] COND FALSE !(x<1) VAL [x=1, y=2147483647] [L28] COND FALSE !(y < 1) [L33] a = x [L34] b = y [L35] p = 1 [L36] q = 0 [L37] r = 0 [L38] s = 1 [L39] c = 0 [L40] k = 0 VAL [a=1, b=2147483647, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L41] COND TRUE 1 VAL [a=1, b=2147483647, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L42] COND FALSE !(!(b != 0)) [L44] c = a [L45] k = 0 VAL [a=1, b=2147483647, c=1, k=0, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L47] EXPR y*r VAL [a=1, b=2147483647, c=1, k=0, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L47] EXPR x*p VAL [a=1, b=2147483647, c=1, k=0, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L47] EXPR y*r + x*p VAL [a=1, b=2147483647, c=1, k=0, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L47] COND TRUE a == y*r + x*p VAL [a=1, b=2147483647, c=1, k=0, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L52] EXPR c - b [L52] c = c - b VAL [a=1, b=2147483647, c=-2147483646, k=0, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L53] EXPR k + 1 [L53] k = k + 1 VAL [a=1, b=2147483647, c=-2147483646, k=1, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L47] EXPR y*r VAL [a=1, b=2147483647, c=-2147483646, k=1, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L47] EXPR x*p VAL [a=1, b=2147483647, c=-2147483646, k=1, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L47] EXPR y*r + x*p VAL [a=1, b=2147483647, c=-2147483646, k=1, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L47] COND TRUE a == y*r + x*p VAL [a=1, b=2147483647, c=-2147483646, k=1, p=1, q=0, r=0, s=1, x=1, y=2147483647] [L52] c - b VAL [a=1, k=1, p=1, q=0, r=0, s=1, x=1, y=2147483647] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 115.3MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 396.88ms. Allocated memory is still 115.3MB. Free memory was 80.4MB in the beginning and 68.6MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.33ms. Allocated memory is still 115.3MB. Free memory was 68.6MB in the beginning and 67.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.16ms. Allocated memory is still 115.3MB. Free memory was 67.1MB in the beginning and 66.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 414.31ms. Allocated memory is still 115.3MB. Free memory was 66.1MB in the beginning and 52.1MB in the end (delta: 14.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 119833.01ms. Allocated memory was 115.3MB in the beginning and 172.0MB in the end (delta: 56.6MB). Free memory was 52.1MB in the beginning and 70.3MB in the end (delta: -18.2MB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB. * Witness Printer took 53.04ms. Allocated memory is still 172.0MB. Free memory was 70.3MB in the beginning and 67.2MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-09 00:50:29,204 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db992844-4534-4ed4-b9dc-daddc9f6bfb6/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)