./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/relax-2-2.i --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_6f4a8d65-c559-4221-95ee-f140a28ac2b8/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4a8d65-c559-4221-95ee-f140a28ac2b8/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_6f4a8d65-c559-4221-95ee-f140a28ac2b8/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4a8d65-c559-4221-95ee-f140a28ac2b8/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/array-examples/relax-2-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4a8d65-c559-4221-95ee-f140a28ac2b8/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_6f4a8d65-c559-4221-95ee-f140a28ac2b8/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 56e9aa9f750ced23bf75100b2ff89e86c96f8abe4883dfab569153879bc59aef --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:13:14,655 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:13:14,803 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4a8d65-c559-4221-95ee-f140a28ac2b8/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:13:14,815 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:13:14,818 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:13:14,864 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:13:14,866 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:13:14,868 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:13:14,869 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:13:14,875 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:13:14,876 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:13:14,876 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:13:14,877 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:13:14,879 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:13:14,880 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:13:14,880 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:13:14,881 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:13:14,881 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:13:14,882 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:13:14,883 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:13:14,883 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:13:14,884 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:13:14,885 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:13:14,885 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:13:14,886 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:13:14,887 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:13:14,888 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:13:14,888 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:13:14,889 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:13:14,889 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:13:14,891 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:13:14,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:13:14,891 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:13:14,892 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_6f4a8d65-c559-4221-95ee-f140a28ac2b8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4a8d65-c559-4221-95ee-f140a28ac2b8/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 56e9aa9f750ced23bf75100b2ff89e86c96f8abe4883dfab569153879bc59aef [2023-11-19 03:13:15,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:13:15,301 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:13:15,304 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:13:15,306 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:13:15,307 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:13:15,308 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4a8d65-c559-4221-95ee-f140a28ac2b8/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/array-examples/relax-2-2.i [2023-11-19 03:13:18,762 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:13:19,113 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:13:19,114 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4a8d65-c559-4221-95ee-f140a28ac2b8/sv-benchmarks/c/array-examples/relax-2-2.i [2023-11-19 03:13:19,138 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4a8d65-c559-4221-95ee-f140a28ac2b8/bin/ukojak-verify-G8NBE6pJGL/data/43f20272a/0fcd993616904588a24c6a3909d787a7/FLAG78856944b [2023-11-19 03:13:19,152 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4a8d65-c559-4221-95ee-f140a28ac2b8/bin/ukojak-verify-G8NBE6pJGL/data/43f20272a/0fcd993616904588a24c6a3909d787a7 [2023-11-19 03:13:19,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:13:19,156 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:13:19,157 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:13:19,158 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:13:19,163 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:13:19,164 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:19" (1/1) ... [2023-11-19 03:13:19,165 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@138b2964 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:19, skipping insertion in model container [2023-11-19 03:13:19,165 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:19" (1/1) ... [2023-11-19 03:13:19,216 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:13:19,388 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_6f4a8d65-c559-4221-95ee-f140a28ac2b8/sv-benchmarks/c/array-examples/relax-2-2.i[982,995] [2023-11-19 03:13:19,559 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:19,572 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:13:19,590 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_6f4a8d65-c559-4221-95ee-f140a28ac2b8/sv-benchmarks/c/array-examples/relax-2-2.i[982,995] [2023-11-19 03:13:19,626 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:19,660 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:13:19,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:19 WrapperNode [2023-11-19 03:13:19,661 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:13:19,662 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:13:19,662 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:13:19,662 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:13:19,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:19" (1/1) ... [2023-11-19 03:13:19,686 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:19" (1/1) ... [2023-11-19 03:13:19,718 INFO L138 Inliner]: procedures = 120, calls = 28, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 148 [2023-11-19 03:13:19,718 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:13:19,719 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:13:19,719 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:13:19,719 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:13:19,729 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:19" (1/1) ... [2023-11-19 03:13:19,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:19" (1/1) ... [2023-11-19 03:13:19,734 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:19" (1/1) ... [2023-11-19 03:13:19,734 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:19" (1/1) ... [2023-11-19 03:13:19,761 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:19" (1/1) ... [2023-11-19 03:13:19,765 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:19" (1/1) ... [2023-11-19 03:13:19,768 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:19" (1/1) ... [2023-11-19 03:13:19,769 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:19" (1/1) ... [2023-11-19 03:13:19,773 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:13:19,774 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:13:19,774 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:13:19,774 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:13:19,775 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:19" (1/1) ... [2023-11-19 03:13:19,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:13:19,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4a8d65-c559-4221-95ee-f140a28ac2b8/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:13:19,808 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4a8d65-c559-4221-95ee-f140a28ac2b8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:13:19,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f4a8d65-c559-4221-95ee-f140a28ac2b8/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:13:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 03:13:19,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:13:19,868 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:13:19,868 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 03:13:19,869 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:13:19,869 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:13:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-19 03:13:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:13:19,870 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:13:19,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:13:19,871 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:13:19,993 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:13:19,995 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:13:20,275 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:13:20,385 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:13:20,385 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-19 03:13:20,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:20 BoogieIcfgContainer [2023-11-19 03:13:20,393 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:13:20,394 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:13:20,394 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:13:20,416 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:13:20,417 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:20" (1/1) ... [2023-11-19 03:13:20,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:13:20,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:20,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 40 states and 58 transitions. [2023-11-19 03:13:20,481 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 58 transitions. [2023-11-19 03:13:20,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:13:20,487 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:20,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:20,985 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:13:21,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:21,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 42 states and 60 transitions. [2023-11-19 03:13:21,111 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 60 transitions. [2023-11-19 03:13:21,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:13:21,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:21,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:21,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:21,613 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:13:22,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:22,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 51 states and 80 transitions. [2023-11-19 03:13:22,071 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 80 transitions. [2023-11-19 03:13:22,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:13:22,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:22,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:22,760 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:13:24,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:24,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 58 states and 97 transitions. [2023-11-19 03:13:24,245 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 97 transitions. [2023-11-19 03:13:24,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:13:24,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:24,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:24,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:13:24,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:24,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 58 states and 96 transitions. [2023-11-19 03:13:24,885 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 96 transitions. [2023-11-19 03:13:24,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:13:24,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:24,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:24,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:25,777 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:13:28,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:28,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 63 states and 115 transitions. [2023-11-19 03:13:28,559 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 115 transitions. [2023-11-19 03:13:28,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:13:28,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:28,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:28,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:29,584 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:13:32,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:32,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 65 states and 123 transitions. [2023-11-19 03:13:32,275 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 123 transitions. [2023-11-19 03:13:32,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:13:32,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:32,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:32,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:33,164 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:13:34,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:34,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 65 states and 121 transitions. [2023-11-19 03:13:34,922 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 121 transitions. [2023-11-19 03:13:34,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:13:34,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:34,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:34,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:35,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:13:36,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:36,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 66 states and 123 transitions. [2023-11-19 03:13:36,939 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 123 transitions. [2023-11-19 03:13:36,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:13:36,941 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:36,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:36,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:38,027 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:13:39,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:39,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 67 states and 127 transitions. [2023-11-19 03:13:39,288 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 127 transitions. [2023-11-19 03:13:39,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:13:39,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:39,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:41,061 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:13:45,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:45,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 70 states and 135 transitions. [2023-11-19 03:13:45,021 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 135 transitions. [2023-11-19 03:13:45,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:13:45,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:45,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:46,168 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:13:49,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:49,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 72 states and 138 transitions. [2023-11-19 03:13:49,348 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 138 transitions. [2023-11-19 03:13:49,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:13:49,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:49,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:50,333 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:13:52,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:52,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 143 transitions. [2023-11-19 03:13:52,977 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 143 transitions. [2023-11-19 03:13:52,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:13:52,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:52,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:53,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:54,083 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:13:57,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:57,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 79 states and 149 transitions. [2023-11-19 03:13:57,678 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 149 transitions. [2023-11-19 03:13:57,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:13:57,679 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:57,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:57,763 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:13:59,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:59,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 80 states and 151 transitions. [2023-11-19 03:13:59,920 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 151 transitions. [2023-11-19 03:13:59,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:13:59,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:59,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:59,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:00,037 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2023-11-19 03:14:00,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:00,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 82 states and 154 transitions. [2023-11-19 03:14:00,081 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 154 transitions. [2023-11-19 03:14:00,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:14:00,082 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:00,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:00,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:02,006 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:14:07,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:07,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 86 states and 169 transitions. [2023-11-19 03:14:07,942 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 169 transitions. [2023-11-19 03:14:07,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:14:07,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:07,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:07,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat