./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/count_up_down-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_a19f5375-2f87-4dc3-acaf-f191fcf7c6b8/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a19f5375-2f87-4dc3-acaf-f191fcf7c6b8/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_a19f5375-2f87-4dc3-acaf-f191fcf7c6b8/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a19f5375-2f87-4dc3-acaf-f191fcf7c6b8/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/count_up_down-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a19f5375-2f87-4dc3-acaf-f191fcf7c6b8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a19f5375-2f87-4dc3-acaf-f191fcf7c6b8/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5879e48447fc7f125bd26345b332bcb57cae00365c3de30b5785162154970826 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:07:56,215 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:07:56,304 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a19f5375-2f87-4dc3-acaf-f191fcf7c6b8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:07:56,309 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:07:56,309 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:07:56,357 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:07:56,358 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:07:56,359 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:07:56,360 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:07:56,361 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:07:56,361 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:07:56,362 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:07:56,363 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:07:56,363 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:07:56,364 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:07:56,365 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:07:56,365 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:07:56,366 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:07:56,367 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:07:56,367 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:07:56,368 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:07:56,368 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:07:56,369 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:07:56,370 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:07:56,370 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:07:56,371 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:07:56,371 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:56,372 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:07:56,372 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:07:56,373 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:07:56,373 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:07:56,374 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:07:56,374 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:07:56,374 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_a19f5375-2f87-4dc3-acaf-f191fcf7c6b8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a19f5375-2f87-4dc3-acaf-f191fcf7c6b8/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5879e48447fc7f125bd26345b332bcb57cae00365c3de30b5785162154970826 [2023-11-19 04:07:56,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:07:56,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:07:56,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:07:56,739 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:07:56,739 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:07:56,741 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a19f5375-2f87-4dc3-acaf-f191fcf7c6b8/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/loops/count_up_down-1.c [2023-11-19 04:07:59,826 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:08:00,146 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:08:00,147 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a19f5375-2f87-4dc3-acaf-f191fcf7c6b8/sv-benchmarks/c/loops/count_up_down-1.c [2023-11-19 04:08:00,155 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a19f5375-2f87-4dc3-acaf-f191fcf7c6b8/bin/ukojak-verify-G8NBE6pJGL/data/38a487ec9/29bf7ba859e24e08abb86ecf7a109022/FLAGff5028c25 [2023-11-19 04:08:00,185 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a19f5375-2f87-4dc3-acaf-f191fcf7c6b8/bin/ukojak-verify-G8NBE6pJGL/data/38a487ec9/29bf7ba859e24e08abb86ecf7a109022 [2023-11-19 04:08:00,193 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:08:00,197 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:08:00,202 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:00,202 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:08:00,208 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:08:00,211 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:00" (1/1) ... [2023-11-19 04:08:00,214 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3366f91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:00, skipping insertion in model container [2023-11-19 04:08:00,214 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:08:00" (1/1) ... [2023-11-19 04:08:00,240 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:08:00,466 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a19f5375-2f87-4dc3-acaf-f191fcf7c6b8/sv-benchmarks/c/loops/count_up_down-1.c[327,340] [2023-11-19 04:08:00,481 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:00,491 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:08:00,505 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a19f5375-2f87-4dc3-acaf-f191fcf7c6b8/sv-benchmarks/c/loops/count_up_down-1.c[327,340] [2023-11-19 04:08:00,508 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:08:00,525 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:08:00,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:00 WrapperNode [2023-11-19 04:08:00,526 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:08:00,527 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:00,527 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:08:00,527 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:08:00,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:00" (1/1) ... [2023-11-19 04:08:00,544 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:00" (1/1) ... [2023-11-19 04:08:00,567 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 31 [2023-11-19 04:08:00,567 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:08:00,568 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:08:00,568 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:08:00,569 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:08:00,579 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:00" (1/1) ... [2023-11-19 04:08:00,579 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:00" (1/1) ... [2023-11-19 04:08:00,580 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:00" (1/1) ... [2023-11-19 04:08:00,581 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:00" (1/1) ... [2023-11-19 04:08:00,583 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:00" (1/1) ... [2023-11-19 04:08:00,587 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:00" (1/1) ... [2023-11-19 04:08:00,588 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:00" (1/1) ... [2023-11-19 04:08:00,589 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:00" (1/1) ... [2023-11-19 04:08:00,591 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:08:00,592 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:08:00,592 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:08:00,592 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:08:00,600 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:08:00" (1/1) ... [2023-11-19 04:08:00,605 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:08:00,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a19f5375-2f87-4dc3-acaf-f191fcf7c6b8/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:08:00,632 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a19f5375-2f87-4dc3-acaf-f191fcf7c6b8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:08:00,643 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a19f5375-2f87-4dc3-acaf-f191fcf7c6b8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:08:00,675 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:08:00,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:08:00,675 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:08:00,675 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:08:00,744 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:08:00,747 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:08:00,849 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:08:00,882 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:08:00,882 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:08:00,887 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:00 BoogieIcfgContainer [2023-11-19 04:08:00,887 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:08:00,889 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:08:00,889 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:08:00,901 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:08:00,901 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:08:00" (1/1) ... [2023-11-19 04:08:00,911 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:08:00,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:00,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 7 states and 8 transitions. [2023-11-19 04:08:00,968 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 8 transitions. [2023-11-19 04:08:00,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:08:00,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:00,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:01,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:01,516 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 04:08:01,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:01,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2023-11-19 04:08:01,619 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2023-11-19 04:08:01,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 04:08:01,621 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:01,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:01,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:02,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:02,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:02,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 10 states and 14 transitions. [2023-11-19 04:08:02,329 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 14 transitions. [2023-11-19 04:08:02,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 04:08:02,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:02,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:02,847 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 04:08:03,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:03,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 12 states and 22 transitions. [2023-11-19 04:08:03,457 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 22 transitions. [2023-11-19 04:08:03,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 04:08:03,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:03,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:03,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:03,998 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:05,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:05,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 14 states and 29 transitions. [2023-11-19 04:08:05,212 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 29 transitions. [2023-11-19 04:08:05,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 04:08:05,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:05,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:05,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:05,943 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:07,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:07,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 15 states and 31 transitions. [2023-11-19 04:08:07,410 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 31 transitions. [2023-11-19 04:08:07,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:08:07,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:07,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:07,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:08,134 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:09,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:09,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 16 states and 33 transitions. [2023-11-19 04:08:09,070 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 33 transitions. [2023-11-19 04:08:09,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:08:09,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:09,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:09,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:10,002 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:10,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:10,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 17 states and 35 transitions. [2023-11-19 04:08:10,873 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 35 transitions. [2023-11-19 04:08:10,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:08:10,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:10,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:10,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:11,971 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:13,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:13,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 18 states and 37 transitions. [2023-11-19 04:08:13,011 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 37 transitions. [2023-11-19 04:08:13,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:08:13,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:13,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:13,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:14,036 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:15,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:15,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 19 states and 39 transitions. [2023-11-19 04:08:15,022 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 39 transitions. [2023-11-19 04:08:15,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-19 04:08:15,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:15,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:15,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:16,270 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 04:08:17,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:17,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 20 states and 41 transitions. [2023-11-19 04:08:17,270 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 41 transitions. [2023-11-19 04:08:17,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 04:08:17,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:17,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:17,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:18,669 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:19,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:19,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 21 states and 43 transitions. [2023-11-19 04:08:19,713 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 43 transitions. [2023-11-19 04:08:19,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-19 04:08:19,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:19,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:21,456 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:22,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:22,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 22 states and 45 transitions. [2023-11-19 04:08:22,715 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 45 transitions. [2023-11-19 04:08:22,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-19 04:08:22,716 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:22,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:24,797 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:26,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:26,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 23 states and 47 transitions. [2023-11-19 04:08:26,171 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 47 transitions. [2023-11-19 04:08:26,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 04:08:26,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:26,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:26,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:28,317 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:29,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:29,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 24 states and 49 transitions. [2023-11-19 04:08:29,835 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 49 transitions. [2023-11-19 04:08:29,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 04:08:29,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:29,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:32,305 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:33,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:33,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 25 states and 51 transitions. [2023-11-19 04:08:33,855 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 51 transitions. [2023-11-19 04:08:33,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 04:08:33,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:33,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:33,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:36,428 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:38,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:38,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 26 states and 53 transitions. [2023-11-19 04:08:38,051 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 53 transitions. [2023-11-19 04:08:38,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 04:08:38,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:38,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:38,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:40,999 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:42,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:42,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 27 states and 55 transitions. [2023-11-19 04:08:42,724 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 55 transitions. [2023-11-19 04:08:42,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 04:08:42,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:42,730 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:42,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:08:45,931 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:08:47,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:08:47,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 28 states and 57 transitions. [2023-11-19 04:08:47,822 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 57 transitions. [2023-11-19 04:08:47,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 04:08:47,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:08:47,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:08:47,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat