./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/GCD2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_7402f035-dbdb-405f-93a4-7c1a397f3dc8/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7402f035-dbdb-405f-93a4-7c1a397f3dc8/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7402f035-dbdb-405f-93a4-7c1a397f3dc8/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7402f035-dbdb-405f-93a4-7c1a397f3dc8/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/GCD2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7402f035-dbdb-405f-93a4-7c1a397f3dc8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7402f035-dbdb-405f-93a4-7c1a397f3dc8/bin/ukojak-verify-G8NBE6pJGL --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 35227298135ad932045d20354d3c27230a951768ba1221004cc62379288111ba --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:07:23,180 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:07:23,314 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7402f035-dbdb-405f-93a4-7c1a397f3dc8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-19 04:07:23,321 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:07:23,322 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:07:23,365 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:07:23,366 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:07:23,367 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:07:23,368 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:07:23,373 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:07:23,374 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:07:23,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:07:23,375 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:07:23,377 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:07:23,378 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:07:23,378 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:07:23,379 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:07:23,379 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 04:07:23,379 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:07:23,380 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:07:23,380 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:07:23,381 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:07:23,381 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:07:23,384 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:07:23,385 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:07:23,385 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:23,386 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:07:23,386 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:07:23,387 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:07:23,387 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:07:23,389 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:07:23,389 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:07:23,389 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_7402f035-dbdb-405f-93a4-7c1a397f3dc8/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7402f035-dbdb-405f-93a4-7c1a397f3dc8/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 35227298135ad932045d20354d3c27230a951768ba1221004cc62379288111ba [2023-11-19 04:07:23,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:07:23,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:07:23,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:07:23,753 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:07:23,753 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:07:23,755 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7402f035-dbdb-405f-93a4-7c1a397f3dc8/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/termination-restricted-15/GCD2.c [2023-11-19 04:07:27,114 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:07:27,345 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:07:27,346 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7402f035-dbdb-405f-93a4-7c1a397f3dc8/sv-benchmarks/c/termination-restricted-15/GCD2.c [2023-11-19 04:07:27,354 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7402f035-dbdb-405f-93a4-7c1a397f3dc8/bin/ukojak-verify-G8NBE6pJGL/data/f306aa335/34c66ae913fd462da2d77a05b4b3f2a4/FLAG90c8af205 [2023-11-19 04:07:27,371 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7402f035-dbdb-405f-93a4-7c1a397f3dc8/bin/ukojak-verify-G8NBE6pJGL/data/f306aa335/34c66ae913fd462da2d77a05b4b3f2a4 [2023-11-19 04:07:27,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:07:27,376 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:07:27,378 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:27,378 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:07:27,384 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:07:27,385 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:27" (1/1) ... [2023-11-19 04:07:27,386 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@257af28d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:27, skipping insertion in model container [2023-11-19 04:07:27,387 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:27" (1/1) ... [2023-11-19 04:07:27,411 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:07:27,617 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:27,629 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:07:27,644 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:27,658 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:07:27,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:27 WrapperNode [2023-11-19 04:07:27,659 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:27,660 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:27,660 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:07:27,660 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:07:27,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:27" (1/1) ... [2023-11-19 04:07:27,676 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:27" (1/1) ... [2023-11-19 04:07:27,704 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 33 [2023-11-19 04:07:27,704 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:27,705 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:07:27,705 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:07:27,705 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:07:27,718 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:27" (1/1) ... [2023-11-19 04:07:27,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:27" (1/1) ... [2023-11-19 04:07:27,721 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:27" (1/1) ... [2023-11-19 04:07:27,722 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:27" (1/1) ... [2023-11-19 04:07:27,725 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:27" (1/1) ... [2023-11-19 04:07:27,730 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:27" (1/1) ... [2023-11-19 04:07:27,737 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:27" (1/1) ... [2023-11-19 04:07:27,739 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:27" (1/1) ... [2023-11-19 04:07:27,749 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:07:27,750 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:07:27,750 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:07:27,750 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:07:27,751 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:27" (1/1) ... [2023-11-19 04:07:27,759 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:27,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7402f035-dbdb-405f-93a4-7c1a397f3dc8/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:07:27,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7402f035-dbdb-405f-93a4-7c1a397f3dc8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:07:27,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7402f035-dbdb-405f-93a4-7c1a397f3dc8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:07:27,849 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:07:27,849 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:07:27,962 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:07:27,965 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:07:28,146 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:07:28,182 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:07:28,183 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:07:28,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:28 BoogieIcfgContainer [2023-11-19 04:07:28,188 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:07:28,190 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:07:28,190 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:07:28,203 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:07:28,204 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:28" (1/1) ... [2023-11-19 04:07:28,215 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:07:28,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:28,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2023-11-19 04:07:28,283 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2023-11-19 04:07:28,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 04:07:28,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:28,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:28,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:28,576 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:07:28,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:28,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2023-11-19 04:07:28,628 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2023-11-19 04:07:28,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:07:28,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:28,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:28,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:07:28,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:28,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2023-11-19 04:07:28,869 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2023-11-19 04:07:28,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:07:28,870 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:28,870 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:28,977 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:07:29,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:29,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 17 states and 24 transitions. [2023-11-19 04:07:29,381 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 24 transitions. [2023-11-19 04:07:29,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:07:29,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:29,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:29,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:07:30,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:30,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2023-11-19 04:07:30,121 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2023-11-19 04:07:30,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:07:30,122 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:30,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:30,274 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:07:31,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:31,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 23 states and 42 transitions. [2023-11-19 04:07:31,139 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 42 transitions. [2023-11-19 04:07:31,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:07:31,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:31,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:31,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:31,345 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:07:32,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:32,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 26 states and 48 transitions. [2023-11-19 04:07:32,515 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 48 transitions. [2023-11-19 04:07:32,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:07:32,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:32,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:32,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:32,843 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:07:34,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:34,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 30 states and 57 transitions. [2023-11-19 04:07:34,319 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 57 transitions. [2023-11-19 04:07:34,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:07:34,320 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:34,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:34,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:34,586 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:07:36,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:36,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 34 states and 69 transitions. [2023-11-19 04:07:36,129 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 69 transitions. [2023-11-19 04:07:36,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:07:36,130 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:36,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:36,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:36,352 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:07:37,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:37,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 35 states and 74 transitions. [2023-11-19 04:07:37,286 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 74 transitions. [2023-11-19 04:07:37,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:07:37,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:37,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:37,490 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:07:39,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:39,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 38 states and 82 transitions. [2023-11-19 04:07:39,206 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 82 transitions. [2023-11-19 04:07:39,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:07:39,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:39,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:39,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:39,787 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:07:42,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:42,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 41 states and 92 transitions. [2023-11-19 04:07:42,100 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 92 transitions. [2023-11-19 04:07:42,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:07:42,101 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:42,102 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:42,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:42,158 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 04:07:42,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:42,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 43 states and 95 transitions. [2023-11-19 04:07:42,821 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 95 transitions. [2023-11-19 04:07:42,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:07:42,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:42,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:42,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:42,947 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 3 proven. 11 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:07:43,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:43,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 43 states and 94 transitions. [2023-11-19 04:07:43,297 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 94 transitions. [2023-11-19 04:07:43,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:07:43,301 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:43,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:43,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:43,406 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 2 proven. 12 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 04:07:44,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:44,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 45 states and 95 transitions. [2023-11-19 04:07:44,285 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 95 transitions. [2023-11-19 04:07:44,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:07:44,287 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:44,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:44,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:44,385 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 04:07:44,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:44,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 45 states and 94 transitions. [2023-11-19 04:07:44,750 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 94 transitions. [2023-11-19 04:07:44,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:07:44,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:44,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:44,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:44,951 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:07:46,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:46,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 48 states and 100 transitions. [2023-11-19 04:07:46,987 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 100 transitions. [2023-11-19 04:07:46,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:07:46,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:46,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:47,796 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 1 proven. 23 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:07:50,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:50,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 51 states and 109 transitions. [2023-11-19 04:07:50,627 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 109 transitions. [2023-11-19 04:07:50,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:07:50,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:50,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:50,821 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:07:53,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:53,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 54 states and 115 transitions. [2023-11-19 04:07:53,064 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 115 transitions. [2023-11-19 04:07:53,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:07:53,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:53,066 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:53,955 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 1 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:07:56,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:56,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 57 states and 125 transitions. [2023-11-19 04:07:56,800 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 125 transitions. [2023-11-19 04:07:56,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:07:56,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:56,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:07:57,033 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 0 proven. 63 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:07:59,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:59,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 60 states and 131 transitions. [2023-11-19 04:07:59,789 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 131 transitions. [2023-11-19 04:07:59,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 04:07:59,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:59,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:01,164 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 1 proven. 52 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:05,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:05,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 63 states and 142 transitions. [2023-11-19 04:08:05,190 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 142 transitions. [2023-11-19 04:08:05,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-19 04:08:05,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:05,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:05,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:05,431 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:08,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:08,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 66 states and 148 transitions. [2023-11-19 04:08:08,593 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 148 transitions. [2023-11-19 04:08:08,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 04:08:08,595 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:08,595 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:08,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:10,183 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 1 proven. 71 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:14,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:14,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 69 states and 160 transitions. [2023-11-19 04:08:14,707 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 160 transitions. [2023-11-19 04:08:14,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 04:08:14,708 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:14,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:14,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:14,963 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:18,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:18,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 72 states and 166 transitions. [2023-11-19 04:08:18,240 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 166 transitions. [2023-11-19 04:08:18,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 04:08:18,241 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:18,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:18,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:20,307 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 1 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.