./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/GCD3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10a03d5e-863e-418f-b42d-c599cfe8af03/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10a03d5e-863e-418f-b42d-c599cfe8af03/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10a03d5e-863e-418f-b42d-c599cfe8af03/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10a03d5e-863e-418f-b42d-c599cfe8af03/bin/ukojak-verify-0OAaufAVZV/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/GCD3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10a03d5e-863e-418f-b42d-c599cfe8af03/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10a03d5e-863e-418f-b42d-c599cfe8af03/bin/ukojak-verify-0OAaufAVZV --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 88e7c75f540dddcc32c597b87fd18b0ea3baaf188ce55d074253e6818e0cf2b4 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 00:07:09,094 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 00:07:09,196 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10a03d5e-863e-418f-b42d-c599cfe8af03/bin/ukojak-verify-0OAaufAVZV/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-12 00:07:09,201 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 00:07:09,202 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-12 00:07:09,230 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 00:07:09,231 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 00:07:09,232 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-12 00:07:09,233 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 00:07:09,233 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 00:07:09,234 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 00:07:09,235 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 00:07:09,235 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 00:07:09,236 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 00:07:09,236 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 00:07:09,237 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 00:07:09,237 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 00:07:09,238 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-12 00:07:09,238 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 00:07:09,239 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 00:07:09,239 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 00:07:09,241 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-12 00:07:09,241 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-12 00:07:09,242 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 00:07:09,242 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:07:09,242 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 00:07:09,243 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 00:07:09,243 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 00:07:09,244 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-12 00:07:09,244 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 00:07:09,245 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 00:07:09,245 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_10a03d5e-863e-418f-b42d-c599cfe8af03/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10a03d5e-863e-418f-b42d-c599cfe8af03/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88e7c75f540dddcc32c597b87fd18b0ea3baaf188ce55d074253e6818e0cf2b4 [2023-11-12 00:07:09,574 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 00:07:09,606 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 00:07:09,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 00:07:09,612 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 00:07:09,613 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 00:07:09,614 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10a03d5e-863e-418f-b42d-c599cfe8af03/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/termination-restricted-15/GCD3.c [2023-11-12 00:07:12,919 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 00:07:13,107 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 00:07:13,107 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10a03d5e-863e-418f-b42d-c599cfe8af03/sv-benchmarks/c/termination-restricted-15/GCD3.c [2023-11-12 00:07:13,115 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10a03d5e-863e-418f-b42d-c599cfe8af03/bin/ukojak-verify-0OAaufAVZV/data/c75e6ea30/1bcca651e756420c89ea5fe3d3426792/FLAG041f7299b [2023-11-12 00:07:13,130 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10a03d5e-863e-418f-b42d-c599cfe8af03/bin/ukojak-verify-0OAaufAVZV/data/c75e6ea30/1bcca651e756420c89ea5fe3d3426792 [2023-11-12 00:07:13,133 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 00:07:13,135 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 00:07:13,137 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 00:07:13,137 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 00:07:13,142 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 00:07:13,143 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:07:13" (1/1) ... [2023-11-12 00:07:13,144 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@269a56f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:13, skipping insertion in model container [2023-11-12 00:07:13,144 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 12:07:13" (1/1) ... [2023-11-12 00:07:13,170 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 00:07:13,331 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:07:13,336 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 00:07:13,349 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 00:07:13,363 INFO L206 MainTranslator]: Completed translation [2023-11-12 00:07:13,363 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:13 WrapperNode [2023-11-12 00:07:13,363 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 00:07:13,364 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 00:07:13,365 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 00:07:13,365 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 00:07:13,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:13" (1/1) ... [2023-11-12 00:07:13,377 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:13" (1/1) ... [2023-11-12 00:07:13,395 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 46 [2023-11-12 00:07:13,395 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 00:07:13,396 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 00:07:13,396 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 00:07:13,397 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 00:07:13,405 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:13" (1/1) ... [2023-11-12 00:07:13,405 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:13" (1/1) ... [2023-11-12 00:07:13,406 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:13" (1/1) ... [2023-11-12 00:07:13,407 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:13" (1/1) ... [2023-11-12 00:07:13,409 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:13" (1/1) ... [2023-11-12 00:07:13,413 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:13" (1/1) ... [2023-11-12 00:07:13,414 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:13" (1/1) ... [2023-11-12 00:07:13,415 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:13" (1/1) ... [2023-11-12 00:07:13,417 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 00:07:13,418 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 00:07:13,418 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 00:07:13,418 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 00:07:13,419 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 12:07:13" (1/1) ... [2023-11-12 00:07:13,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-12 00:07:13,448 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10a03d5e-863e-418f-b42d-c599cfe8af03/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-12 00:07:13,461 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10a03d5e-863e-418f-b42d-c599cfe8af03/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-12 00:07:13,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10a03d5e-863e-418f-b42d-c599cfe8af03/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-12 00:07:13,508 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 00:07:13,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 00:07:13,597 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 00:07:13,599 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 00:07:13,791 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 00:07:13,822 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 00:07:13,822 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-12 00:07:13,825 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:07:13 BoogieIcfgContainer [2023-11-12 00:07:13,825 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 00:07:13,826 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-12 00:07:13,826 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-12 00:07:13,836 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-12 00:07:13,837 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 12:07:13" (1/1) ... [2023-11-12 00:07:13,847 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 00:07:13,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:13,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2023-11-12 00:07:13,906 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2023-11-12 00:07:13,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-12 00:07:13,908 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:13,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:14,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:14,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:14,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2023-11-12 00:07:14,111 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2023-11-12 00:07:14,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:07:14,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:14,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:14,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:14,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:14,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:14,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2023-11-12 00:07:14,333 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2023-11-12 00:07:14,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-12 00:07:14,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:14,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:14,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:14,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:14,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:14,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 16 states and 21 transitions. [2023-11-12 00:07:14,604 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 21 transitions. [2023-11-12 00:07:14,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-12 00:07:14,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:14,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:14,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:15,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:15,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2023-11-12 00:07:15,276 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2023-11-12 00:07:15,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-12 00:07:15,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:15,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:15,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:15,475 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:16,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:16,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2023-11-12 00:07:16,062 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2023-11-12 00:07:16,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:07:16,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:16,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:16,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:16,224 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:16,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:16,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 29 states and 46 transitions. [2023-11-12 00:07:16,834 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 46 transitions. [2023-11-12 00:07:16,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 00:07:16,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:16,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:16,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:16,952 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:17,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:17,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 35 states and 59 transitions. [2023-11-12 00:07:17,827 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 59 transitions. [2023-11-12 00:07:17,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:07:17,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:17,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:18,055 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:19,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:19,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 38 states and 67 transitions. [2023-11-12 00:07:19,237 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 67 transitions. [2023-11-12 00:07:19,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:07:19,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:19,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:19,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:19,517 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:21,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:21,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 47 states and 91 transitions. [2023-11-12 00:07:21,659 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 91 transitions. [2023-11-12 00:07:21,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-12 00:07:21,661 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:21,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:21,755 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:22,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:22,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 48 states and 94 transitions. [2023-11-12 00:07:22,153 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 94 transitions. [2023-11-12 00:07:22,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:07:22,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:22,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:22,675 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:24,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:24,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 103 transitions. [2023-11-12 00:07:24,862 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 103 transitions. [2023-11-12 00:07:24,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:07:24,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:24,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:25,338 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:27,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:27,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 54 states and 110 transitions. [2023-11-12 00:07:27,158 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 110 transitions. [2023-11-12 00:07:27,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-12 00:07:27,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:27,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:27,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:27,479 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 12 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:29,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:29,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 59 states and 128 transitions. [2023-11-12 00:07:29,498 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 128 transitions. [2023-11-12 00:07:29,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-12 00:07:29,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:29,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:29,543 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:07:30,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:30,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 62 states and 136 transitions. [2023-11-12 00:07:30,645 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 136 transitions. [2023-11-12 00:07:30,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-12 00:07:30,646 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:30,646 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:31,214 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:33,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:33,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 65 states and 143 transitions. [2023-11-12 00:07:33,161 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 143 transitions. [2023-11-12 00:07:33,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-12 00:07:33,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:33,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:33,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:33,800 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:36,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:36,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 69 states and 155 transitions. [2023-11-12 00:07:36,929 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 155 transitions. [2023-11-12 00:07:36,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-12 00:07:36,930 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:36,930 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:36,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:36,994 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 15 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 00:07:37,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:37,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 70 states and 160 transitions. [2023-11-12 00:07:37,332 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 160 transitions. [2023-11-12 00:07:37,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-12 00:07:37,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:37,333 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:38,066 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:43,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:43,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 80 states and 187 transitions. [2023-11-12 00:07:43,560 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 187 transitions. [2023-11-12 00:07:43,560 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-12 00:07:43,561 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:43,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:43,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:44,455 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:47,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:47,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 83 states and 198 transitions. [2023-11-12 00:07:47,960 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 198 transitions. [2023-11-12 00:07:47,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-12 00:07:47,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:47,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:49,093 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:53,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:53,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 86 states and 210 transitions. [2023-11-12 00:07:53,034 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 210 transitions. [2023-11-12 00:07:53,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-12 00:07:53,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:53,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:53,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:53,111 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:07:58,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:07:58,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 98 states and 238 transitions. [2023-11-12 00:07:58,527 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 238 transitions. [2023-11-12 00:07:58,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-12 00:07:58,528 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:07:58,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:07:58,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:07:59,658 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 00:08:02,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-12 00:08:02,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 101 states and 245 transitions. [2023-11-12 00:08:02,995 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 245 transitions. [2023-11-12 00:08:02,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-12 00:08:02,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-12 00:08:02,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 00:08:03,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 00:08:04,243 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.