./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label32.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_6f640651-dc2b-442f-80ec-e1708d7a2d28/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f640651-dc2b-442f-80ec-e1708d7a2d28/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_6f640651-dc2b-442f-80ec-e1708d7a2d28/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f640651-dc2b-442f-80ec-e1708d7a2d28/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label32.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f640651-dc2b-442f-80ec-e1708d7a2d28/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_6f640651-dc2b-442f-80ec-e1708d7a2d28/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 7ceed5b52734bad3148a9ae0854999cb13a6c0206e8eda96cbd8ac81046cb90b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:56:04,713 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:56:04,799 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f640651-dc2b-442f-80ec-e1708d7a2d28/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:56:04,803 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:56:04,804 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:56:04,843 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:56:04,844 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:56:04,844 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:56:04,845 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:56:04,846 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:56:04,846 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:56:04,847 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:56:04,847 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:56:04,848 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:56:04,848 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:56:04,849 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:56:04,851 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:56:04,854 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:56:04,855 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:56:04,855 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:56:04,856 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:56:04,856 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:56:04,857 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:56:04,857 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:56:04,857 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:56:04,858 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:56:04,859 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:04,859 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:56:04,860 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:56:04,860 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:56:04,861 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:56:04,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:56:04,862 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:56:04,862 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_6f640651-dc2b-442f-80ec-e1708d7a2d28/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f640651-dc2b-442f-80ec-e1708d7a2d28/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ceed5b52734bad3148a9ae0854999cb13a6c0206e8eda96cbd8ac81046cb90b [2023-11-19 02:56:05,174 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:56:05,211 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:56:05,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:56:05,216 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:56:05,216 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:56:05,217 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f640651-dc2b-442f-80ec-e1708d7a2d28/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/eca-rers2012/Problem04_label32.c [2023-11-19 02:56:08,376 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:56:08,971 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:56:08,972 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f640651-dc2b-442f-80ec-e1708d7a2d28/sv-benchmarks/c/eca-rers2012/Problem04_label32.c [2023-11-19 02:56:09,009 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f640651-dc2b-442f-80ec-e1708d7a2d28/bin/ukojak-verify-G8NBE6pJGL/data/e745c56ed/99d5b2a4a6fd4fb5b4287aef7ca773d3/FLAG8ee45ac56 [2023-11-19 02:56:09,030 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f640651-dc2b-442f-80ec-e1708d7a2d28/bin/ukojak-verify-G8NBE6pJGL/data/e745c56ed/99d5b2a4a6fd4fb5b4287aef7ca773d3 [2023-11-19 02:56:09,037 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:56:09,040 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:56:09,043 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:56:09,043 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:56:09,048 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:56:09,049 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:09" (1/1) ... [2023-11-19 02:56:09,050 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24195f90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:09, skipping insertion in model container [2023-11-19 02:56:09,050 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:56:09" (1/1) ... [2023-11-19 02:56:09,241 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:56:10,635 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_6f640651-dc2b-442f-80ec-e1708d7a2d28/sv-benchmarks/c/eca-rers2012/Problem04_label32.c[178555,178568] [2023-11-19 02:56:10,660 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:56:10,671 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:56:11,397 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_6f640651-dc2b-442f-80ec-e1708d7a2d28/sv-benchmarks/c/eca-rers2012/Problem04_label32.c[178555,178568] [2023-11-19 02:56:11,408 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:56:11,438 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:56:11,439 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:11 WrapperNode [2023-11-19 02:56:11,439 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:56:11,441 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:56:11,441 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:56:11,441 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:56:11,449 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:11" (1/1) ... [2023-11-19 02:56:11,540 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:11" (1/1) ... [2023-11-19 02:56:11,731 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5573 [2023-11-19 02:56:11,732 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:56:11,733 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:56:11,733 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:56:11,733 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:56:11,742 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:11" (1/1) ... [2023-11-19 02:56:11,743 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:11" (1/1) ... [2023-11-19 02:56:11,761 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:11" (1/1) ... [2023-11-19 02:56:11,761 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:11" (1/1) ... [2023-11-19 02:56:11,869 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:11" (1/1) ... [2023-11-19 02:56:11,906 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:11" (1/1) ... [2023-11-19 02:56:11,946 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:11" (1/1) ... [2023-11-19 02:56:11,960 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:11" (1/1) ... [2023-11-19 02:56:12,001 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:56:12,004 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:56:12,005 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:56:12,005 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:56:12,006 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:56:11" (1/1) ... [2023-11-19 02:56:12,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:56:12,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f640651-dc2b-442f-80ec-e1708d7a2d28/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:56:12,036 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f640651-dc2b-442f-80ec-e1708d7a2d28/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:56:12,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6f640651-dc2b-442f-80ec-e1708d7a2d28/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:56:12,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:56:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:56:12,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:56:12,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:56:12,264 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:56:12,267 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:56:17,214 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:56:17,595 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:56:17,596 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:56:17,612 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:17 BoogieIcfgContainer [2023-11-19 02:56:17,613 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:56:17,614 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:56:17,614 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:56:17,624 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:56:17,625 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:56:17" (1/1) ... [2023-11-19 02:56:17,634 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:56:17,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:17,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 763 states and 1515 transitions. [2023-11-19 02:56:17,711 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1515 transitions. [2023-11-19 02:56:17,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2023-11-19 02:56:17,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:17,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:20,210 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 02:56:24,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:24,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2310 states to 1516 states and 2310 transitions. [2023-11-19 02:56:24,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 2310 transitions. [2023-11-19 02:56:24,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2023-11-19 02:56:24,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:24,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:26,702 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 02:56:26,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:26,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2315 states to 1519 states and 2315 transitions. [2023-11-19 02:56:26,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2315 transitions. [2023-11-19 02:56:26,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 766 [2023-11-19 02:56:26,949 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:26,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:27,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:27,805 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 02:56:28,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:28,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2327 states to 1528 states and 2327 transitions. [2023-11-19 02:56:28,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 2327 transitions. [2023-11-19 02:56:28,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 767 [2023-11-19 02:56:28,094 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:28,094 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:28,877 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 02:56:29,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:29,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2341 states to 1538 states and 2341 transitions. [2023-11-19 02:56:29,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1538 states and 2341 transitions. [2023-11-19 02:56:29,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 769 [2023-11-19 02:56:29,267 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:29,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:29,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:30,463 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 02:56:30,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:30,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2352 states to 1547 states and 2352 transitions. [2023-11-19 02:56:30,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 2352 transitions. [2023-11-19 02:56:30,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 771 [2023-11-19 02:56:30,878 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:30,878 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:32,117 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 02:56:33,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:33,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2353 states to 1548 states and 2353 transitions. [2023-11-19 02:56:33,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1548 states and 2353 transitions. [2023-11-19 02:56:33,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 782 [2023-11-19 02:56:33,016 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:33,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:33,638 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 02:56:34,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:34,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2389 states to 1573 states and 2389 transitions. [2023-11-19 02:56:34,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 2389 transitions. [2023-11-19 02:56:34,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 782 [2023-11-19 02:56:34,954 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:34,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:35,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:35,574 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 02:56:35,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:35,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2394 states to 1576 states and 2394 transitions. [2023-11-19 02:56:35,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 2394 transitions. [2023-11-19 02:56:35,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 782 [2023-11-19 02:56:35,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:35,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:36,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:36,415 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 02:56:36,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:36,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2401 states to 1582 states and 2401 transitions. [2023-11-19 02:56:36,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1582 states and 2401 transitions. [2023-11-19 02:56:36,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 782 [2023-11-19 02:56:36,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:36,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:36,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:37,168 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 02:56:37,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:37,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 1585 states and 2404 transitions. [2023-11-19 02:56:37,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 2404 transitions. [2023-11-19 02:56:37,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 808 [2023-11-19 02:56:37,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:37,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:37,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:37,954 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 02:56:38,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:38,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2430 states to 1611 states and 2430 transitions. [2023-11-19 02:56:38,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1611 states and 2430 transitions. [2023-11-19 02:56:38,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 813 [2023-11-19 02:56:38,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:38,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:38,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:38,927 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 02:56:39,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:39,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2468 states to 1647 states and 2468 transitions. [2023-11-19 02:56:39,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1647 states and 2468 transitions. [2023-11-19 02:56:39,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 814 [2023-11-19 02:56:39,393 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:39,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:39,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:39,929 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:40,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:40,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2516 states to 1692 states and 2516 transitions. [2023-11-19 02:56:40,602 INFO L276 IsEmpty]: Start isEmpty. Operand 1692 states and 2516 transitions. [2023-11-19 02:56:40,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 818 [2023-11-19 02:56:40,611 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:40,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:41,253 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:42,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:42,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2583 states to 1753 states and 2583 transitions. [2023-11-19 02:56:42,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1753 states and 2583 transitions. [2023-11-19 02:56:42,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 823 [2023-11-19 02:56:42,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:42,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:42,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:42,721 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 02:56:42,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:42,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2585 states to 1755 states and 2585 transitions. [2023-11-19 02:56:42,972 INFO L276 IsEmpty]: Start isEmpty. Operand 1755 states and 2585 transitions. [2023-11-19 02:56:42,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 823 [2023-11-19 02:56:42,980 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:42,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:43,347 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 02:56:43,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:43,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2586 states to 1756 states and 2586 transitions. [2023-11-19 02:56:43,567 INFO L276 IsEmpty]: Start isEmpty. Operand 1756 states and 2586 transitions. [2023-11-19 02:56:43,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 823 [2023-11-19 02:56:43,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:43,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:43,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:43,927 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 02:56:44,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:44,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2591 states to 1762 states and 2591 transitions. [2023-11-19 02:56:44,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 2591 transitions. [2023-11-19 02:56:44,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 825 [2023-11-19 02:56:44,278 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:44,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:44,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:45,787 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:47,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:47,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2666 states to 1830 states and 2666 transitions. [2023-11-19 02:56:47,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1830 states and 2666 transitions. [2023-11-19 02:56:47,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 826 [2023-11-19 02:56:47,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:47,766 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:47,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:48,310 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:56:49,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:49,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2728 states to 1885 states and 2728 transitions. [2023-11-19 02:56:49,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1885 states and 2728 transitions. [2023-11-19 02:56:49,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 828 [2023-11-19 02:56:49,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:49,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:49,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:56:50,297 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-19 02:56:51,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:56:51,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2733 states to 1889 states and 2733 transitions. [2023-11-19 02:56:51,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1889 states and 2733 transitions. [2023-11-19 02:56:51,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 828 [2023-11-19 02:56:51,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:56:51,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:56:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat