./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label04.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_98524d03-5579-4d99-821e-da1ac24cbfd6/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98524d03-5579-4d99-821e-da1ac24cbfd6/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_98524d03-5579-4d99-821e-da1ac24cbfd6/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98524d03-5579-4d99-821e-da1ac24cbfd6/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98524d03-5579-4d99-821e-da1ac24cbfd6/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_98524d03-5579-4d99-821e-da1ac24cbfd6/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 89dfb500a00eff31cb7dd580f810b05631864432876ef8b05a579a20c41b2b3d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:05:02,435 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:05:02,555 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98524d03-5579-4d99-821e-da1ac24cbfd6/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:05:02,565 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:05:02,567 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:05:02,613 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:05:02,617 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:05:02,618 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:05:02,621 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:05:02,624 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:05:02,624 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:05:02,625 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:05:02,625 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:05:02,626 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:05:02,626 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:05:02,627 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:05:02,627 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:05:02,628 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:05:02,628 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:05:02,629 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:05:02,629 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:05:02,630 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:05:02,631 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:05:02,631 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:05:02,632 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:05:02,632 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:05:02,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:05:02,633 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:05:02,634 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:05:02,634 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:05:02,635 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:05:02,635 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:05:02,636 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:05:02,636 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_98524d03-5579-4d99-821e-da1ac24cbfd6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98524d03-5579-4d99-821e-da1ac24cbfd6/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 89dfb500a00eff31cb7dd580f810b05631864432876ef8b05a579a20c41b2b3d [2023-11-19 04:05:02,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:05:02,946 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:05:02,950 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:05:02,952 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:05:02,953 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:05:02,954 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98524d03-5579-4d99-821e-da1ac24cbfd6/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/eca-rers2012/Problem04_label04.c [2023-11-19 04:05:06,169 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:05:06,732 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:05:06,733 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98524d03-5579-4d99-821e-da1ac24cbfd6/sv-benchmarks/c/eca-rers2012/Problem04_label04.c [2023-11-19 04:05:06,772 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98524d03-5579-4d99-821e-da1ac24cbfd6/bin/ukojak-verify-G8NBE6pJGL/data/0ca71123e/e39d8cd1348e496eb19b003029a1cd91/FLAG6fc20f08d [2023-11-19 04:05:06,790 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98524d03-5579-4d99-821e-da1ac24cbfd6/bin/ukojak-verify-G8NBE6pJGL/data/0ca71123e/e39d8cd1348e496eb19b003029a1cd91 [2023-11-19 04:05:06,796 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:05:06,800 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:05:06,802 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:05:06,802 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:05:06,808 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:05:06,809 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:05:06" (1/1) ... [2023-11-19 04:05:06,813 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5507dedc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:06, skipping insertion in model container [2023-11-19 04:05:06,814 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:05:06" (1/1) ... [2023-11-19 04:05:07,049 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:05:08,533 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_98524d03-5579-4d99-821e-da1ac24cbfd6/sv-benchmarks/c/eca-rers2012/Problem04_label04.c[177460,177473] [2023-11-19 04:05:08,563 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:05:08,575 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:05:09,251 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_98524d03-5579-4d99-821e-da1ac24cbfd6/sv-benchmarks/c/eca-rers2012/Problem04_label04.c[177460,177473] [2023-11-19 04:05:09,266 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:05:09,300 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:05:09,301 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:09 WrapperNode [2023-11-19 04:05:09,301 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:05:09,302 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:05:09,302 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:05:09,303 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:05:09,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:09" (1/1) ... [2023-11-19 04:05:09,378 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:09" (1/1) ... [2023-11-19 04:05:09,611 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5573 [2023-11-19 04:05:09,612 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:05:09,612 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:05:09,613 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:05:09,613 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:05:09,623 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:09" (1/1) ... [2023-11-19 04:05:09,624 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:09" (1/1) ... [2023-11-19 04:05:09,643 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:09" (1/1) ... [2023-11-19 04:05:09,643 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:09" (1/1) ... [2023-11-19 04:05:09,742 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:09" (1/1) ... [2023-11-19 04:05:09,771 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:09" (1/1) ... [2023-11-19 04:05:09,808 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:09" (1/1) ... [2023-11-19 04:05:09,819 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:09" (1/1) ... [2023-11-19 04:05:09,858 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:05:09,859 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:05:09,859 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:05:09,860 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:05:09,860 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:05:09" (1/1) ... [2023-11-19 04:05:09,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:05:09,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98524d03-5579-4d99-821e-da1ac24cbfd6/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:05:09,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98524d03-5579-4d99-821e-da1ac24cbfd6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:05:09,925 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98524d03-5579-4d99-821e-da1ac24cbfd6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:05:09,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:05:09,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:05:09,946 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:05:09,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:05:10,064 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:05:10,068 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:05:15,199 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:05:15,568 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:05:15,569 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 04:05:15,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:05:15 BoogieIcfgContainer [2023-11-19 04:05:15,582 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:05:15,583 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:05:15,584 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:05:15,594 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:05:15,595 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:05:15" (1/1) ... [2023-11-19 04:05:15,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:05:15,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:15,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 763 states and 1515 transitions. [2023-11-19 04:05:15,729 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1515 transitions. [2023-11-19 04:05:15,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2023-11-19 04:05:15,772 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:15,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:18,344 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 04:05:24,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:24,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2700 states to 1516 states and 2700 transitions. [2023-11-19 04:05:24,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 2700 transitions. [2023-11-19 04:05:24,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2023-11-19 04:05:24,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:24,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:25,838 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:26,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:26,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2705 states to 1519 states and 2705 transitions. [2023-11-19 04:05:26,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2705 transitions. [2023-11-19 04:05:26,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 761 [2023-11-19 04:05:26,047 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:26,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:26,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:26,982 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:27,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:27,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 1523 states and 2712 transitions. [2023-11-19 04:05:27,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 2712 transitions. [2023-11-19 04:05:27,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 762 [2023-11-19 04:05:27,270 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:27,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:28,298 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:28,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:28,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2715 states to 1525 states and 2715 transitions. [2023-11-19 04:05:28,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 2715 transitions. [2023-11-19 04:05:28,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 763 [2023-11-19 04:05:28,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:28,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:28,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:29,221 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:29,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:29,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2720 states to 1528 states and 2720 transitions. [2023-11-19 04:05:29,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 2720 transitions. [2023-11-19 04:05:29,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 764 [2023-11-19 04:05:29,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:29,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:29,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:30,273 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:30,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:30,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2721 states to 1529 states and 2721 transitions. [2023-11-19 04:05:30,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 2721 transitions. [2023-11-19 04:05:30,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 765 [2023-11-19 04:05:30,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:30,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:31,049 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:31,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:31,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2734 states to 1537 states and 2734 transitions. [2023-11-19 04:05:31,578 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 2734 transitions. [2023-11-19 04:05:31,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 766 [2023-11-19 04:05:31,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:31,589 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:31,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:32,290 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:32,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:32,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2749 states to 1546 states and 2749 transitions. [2023-11-19 04:05:32,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 2749 transitions. [2023-11-19 04:05:32,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 767 [2023-11-19 04:05:32,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:32,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:33,716 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:34,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:34,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 1556 states and 2766 transitions. [2023-11-19 04:05:34,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2766 transitions. [2023-11-19 04:05:34,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 768 [2023-11-19 04:05:34,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:34,658 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:34,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:35,267 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:36,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:36,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 1567 states and 2785 transitions. [2023-11-19 04:05:36,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1567 states and 2785 transitions. [2023-11-19 04:05:36,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 769 [2023-11-19 04:05:36,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:36,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:36,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:37,352 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:38,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:38,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2793 states to 1572 states and 2793 transitions. [2023-11-19 04:05:38,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 2793 transitions. [2023-11-19 04:05:38,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 770 [2023-11-19 04:05:38,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:38,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:38,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:38,724 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:38,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:38,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 1574 states and 2796 transitions. [2023-11-19 04:05:38,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1574 states and 2796 transitions. [2023-11-19 04:05:38,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 771 [2023-11-19 04:05:38,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:38,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:39,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:39,786 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:41,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:41,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 1575 states and 2801 transitions. [2023-11-19 04:05:41,045 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 2801 transitions. [2023-11-19 04:05:41,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 772 [2023-11-19 04:05:41,054 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:41,055 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:41,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:41,779 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:41,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:41,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2803 states to 1577 states and 2803 transitions. [2023-11-19 04:05:41,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1577 states and 2803 transitions. [2023-11-19 04:05:41,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 773 [2023-11-19 04:05:41,897 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:41,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:42,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:42,274 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:42,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:42,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 1585 states and 2814 transitions. [2023-11-19 04:05:42,849 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 2814 transitions. [2023-11-19 04:05:42,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 775 [2023-11-19 04:05:42,858 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:42,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:43,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:43,384 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:44,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:44,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2832 states to 1599 states and 2832 transitions. [2023-11-19 04:05:44,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 2832 transitions. [2023-11-19 04:05:44,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 776 [2023-11-19 04:05:44,063 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:44,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:44,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:44,718 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:05:45,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:45,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2850 states to 1604 states and 2850 transitions. [2023-11-19 04:05:45,766 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2850 transitions. [2023-11-19 04:05:45,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 776 [2023-11-19 04:05:45,771 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:45,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:45,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:46,185 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 04:05:46,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:46,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2854 states to 1607 states and 2854 transitions. [2023-11-19 04:05:46,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1607 states and 2854 transitions. [2023-11-19 04:05:46,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 780 [2023-11-19 04:05:46,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:46,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:46,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:46,978 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:05:47,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:47,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2864 states to 1615 states and 2864 transitions. [2023-11-19 04:05:47,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1615 states and 2864 transitions. [2023-11-19 04:05:47,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 782 [2023-11-19 04:05:47,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:47,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:47,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:05:47,758 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 04:05:48,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:05:48,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2871 states to 1618 states and 2871 transitions. [2023-11-19 04:05:48,737 INFO L276 IsEmpty]: Start isEmpty. Operand 1618 states and 2871 transitions. [2023-11-19 04:05:48,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 782 [2023-11-19 04:05:48,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:05:48,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:05:48,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat