./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label49.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48bf4862-62b9-4115-99b2-7749db408899/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48bf4862-62b9-4115-99b2-7749db408899/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_48bf4862-62b9-4115-99b2-7749db408899/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48bf4862-62b9-4115-99b2-7749db408899/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label49.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48bf4862-62b9-4115-99b2-7749db408899/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_48bf4862-62b9-4115-99b2-7749db408899/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 485d88f458f8870df6b5d35e67b31c4269bf2fa69d345d076214685bdf67ec74 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:35:08,756 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:35:08,875 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48bf4862-62b9-4115-99b2-7749db408899/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:35:08,884 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:35:08,885 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:35:08,925 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:35:08,926 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:35:08,927 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:35:08,928 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:35:08,933 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:35:08,934 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:35:08,934 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:35:08,935 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:35:08,937 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:35:08,937 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:35:08,938 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:35:08,938 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:35:08,938 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:35:08,939 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:35:08,939 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:35:08,940 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:35:08,940 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:35:08,941 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:35:08,941 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:35:08,942 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:35:08,943 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:35:08,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:35:08,944 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:35:08,944 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:35:08,945 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:35:08,946 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:35:08,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:35:08,947 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:35:08,947 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_48bf4862-62b9-4115-99b2-7749db408899/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48bf4862-62b9-4115-99b2-7749db408899/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 485d88f458f8870df6b5d35e67b31c4269bf2fa69d345d076214685bdf67ec74 [2023-11-19 03:35:09,241 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:35:09,275 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:35:09,278 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:35:09,279 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:35:09,280 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:35:09,281 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48bf4862-62b9-4115-99b2-7749db408899/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/eca-rers2012/Problem04_label49.c [2023-11-19 03:35:12,389 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:35:12,945 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:35:12,945 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48bf4862-62b9-4115-99b2-7749db408899/sv-benchmarks/c/eca-rers2012/Problem04_label49.c [2023-11-19 03:35:12,980 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48bf4862-62b9-4115-99b2-7749db408899/bin/ukojak-verify-G8NBE6pJGL/data/45d296de2/a8fb62af497449e3ae0764bafb0ef3a2/FLAG37da6e211 [2023-11-19 03:35:12,996 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48bf4862-62b9-4115-99b2-7749db408899/bin/ukojak-verify-G8NBE6pJGL/data/45d296de2/a8fb62af497449e3ae0764bafb0ef3a2 [2023-11-19 03:35:12,999 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:35:13,001 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:35:13,003 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:35:13,003 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:35:13,008 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:35:13,009 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:35:12" (1/1) ... [2023-11-19 03:35:13,011 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14285880 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:13, skipping insertion in model container [2023-11-19 03:35:13,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:35:12" (1/1) ... [2023-11-19 03:35:13,175 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:35:14,781 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_48bf4862-62b9-4115-99b2-7749db408899/sv-benchmarks/c/eca-rers2012/Problem04_label49.c[181143,181156] [2023-11-19 03:35:14,805 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:35:14,818 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:35:15,630 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_48bf4862-62b9-4115-99b2-7749db408899/sv-benchmarks/c/eca-rers2012/Problem04_label49.c[181143,181156] [2023-11-19 03:35:15,638 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:35:15,669 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:35:15,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:15 WrapperNode [2023-11-19 03:35:15,670 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:35:15,671 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:35:15,671 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:35:15,672 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:35:15,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:15" (1/1) ... [2023-11-19 03:35:15,754 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:15" (1/1) ... [2023-11-19 03:35:15,957 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5573 [2023-11-19 03:35:15,958 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:35:15,959 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:35:15,959 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:35:15,959 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:35:15,969 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:15" (1/1) ... [2023-11-19 03:35:15,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:15" (1/1) ... [2023-11-19 03:35:15,989 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:15" (1/1) ... [2023-11-19 03:35:15,989 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:15" (1/1) ... [2023-11-19 03:35:16,116 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:15" (1/1) ... [2023-11-19 03:35:16,146 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:15" (1/1) ... [2023-11-19 03:35:16,188 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:15" (1/1) ... [2023-11-19 03:35:16,200 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:15" (1/1) ... [2023-11-19 03:35:16,244 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:35:16,245 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:35:16,245 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:35:16,246 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:35:16,246 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:35:15" (1/1) ... [2023-11-19 03:35:16,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:35:16,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48bf4862-62b9-4115-99b2-7749db408899/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:35:16,282 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48bf4862-62b9-4115-99b2-7749db408899/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:35:16,289 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_48bf4862-62b9-4115-99b2-7749db408899/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:35:16,319 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:35:16,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:35:16,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:35:16,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:35:16,405 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:35:16,407 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:35:21,540 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:35:22,073 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:35:22,073 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:35:22,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:35:22 BoogieIcfgContainer [2023-11-19 03:35:22,085 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:35:22,086 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:35:22,086 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:35:22,096 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:35:22,097 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:35:22" (1/1) ... [2023-11-19 03:35:22,106 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:35:22,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:22,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 763 states and 1515 transitions. [2023-11-19 03:35:22,179 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1515 transitions. [2023-11-19 03:35:22,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2023-11-19 03:35:22,221 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:22,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:22,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:24,925 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 03:35:30,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:30,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2700 states to 1516 states and 2700 transitions. [2023-11-19 03:35:30,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 2700 transitions. [2023-11-19 03:35:30,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2023-11-19 03:35:30,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:30,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:30,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:32,101 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 03:35:32,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:32,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2705 states to 1519 states and 2705 transitions. [2023-11-19 03:35:32,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2705 transitions. [2023-11-19 03:35:32,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 761 [2023-11-19 03:35:32,312 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:32,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:32,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:33,287 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 03:35:33,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:33,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 1523 states and 2712 transitions. [2023-11-19 03:35:33,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 2712 transitions. [2023-11-19 03:35:33,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 762 [2023-11-19 03:35:33,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:33,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:33,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:34,571 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 03:35:34,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:34,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2715 states to 1525 states and 2715 transitions. [2023-11-19 03:35:34,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 2715 transitions. [2023-11-19 03:35:34,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 763 [2023-11-19 03:35:34,866 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:34,867 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:35,557 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 03:35:35,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:35,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2720 states to 1528 states and 2720 transitions. [2023-11-19 03:35:35,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1528 states and 2720 transitions. [2023-11-19 03:35:35,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 764 [2023-11-19 03:35:35,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:35,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:36,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:36,628 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 03:35:36,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:36,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2721 states to 1529 states and 2721 transitions. [2023-11-19 03:35:36,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 2721 transitions. [2023-11-19 03:35:36,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 765 [2023-11-19 03:35:36,751 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:36,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:37,384 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 03:35:37,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:37,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2734 states to 1537 states and 2734 transitions. [2023-11-19 03:35:37,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 2734 transitions. [2023-11-19 03:35:37,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 766 [2023-11-19 03:35:37,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:37,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:38,764 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 03:35:39,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:39,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2749 states to 1546 states and 2749 transitions. [2023-11-19 03:35:39,408 INFO L276 IsEmpty]: Start isEmpty. Operand 1546 states and 2749 transitions. [2023-11-19 03:35:39,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 767 [2023-11-19 03:35:39,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:39,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:40,116 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 03:35:40,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:40,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2766 states to 1556 states and 2766 transitions. [2023-11-19 03:35:40,978 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2766 transitions. [2023-11-19 03:35:40,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 768 [2023-11-19 03:35:40,988 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:40,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:41,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:41,721 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 03:35:42,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:42,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2785 states to 1567 states and 2785 transitions. [2023-11-19 03:35:42,918 INFO L276 IsEmpty]: Start isEmpty. Operand 1567 states and 2785 transitions. [2023-11-19 03:35:42,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 769 [2023-11-19 03:35:42,927 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:42,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:43,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:44,207 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 03:35:45,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:45,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2793 states to 1572 states and 2793 transitions. [2023-11-19 03:35:45,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 2793 transitions. [2023-11-19 03:35:45,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 770 [2023-11-19 03:35:45,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:45,028 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:45,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:45,657 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 03:35:45,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:45,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 1574 states and 2796 transitions. [2023-11-19 03:35:45,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1574 states and 2796 transitions. [2023-11-19 03:35:45,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 771 [2023-11-19 03:35:45,846 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:45,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:46,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:46,824 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 03:35:48,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:48,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2801 states to 1575 states and 2801 transitions. [2023-11-19 03:35:48,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 2801 transitions. [2023-11-19 03:35:48,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 772 [2023-11-19 03:35:48,075 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:48,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:48,743 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 03:35:48,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:48,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2803 states to 1577 states and 2803 transitions. [2023-11-19 03:35:48,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1577 states and 2803 transitions. [2023-11-19 03:35:48,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 773 [2023-11-19 03:35:48,845 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:48,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:48,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:49,247 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 03:35:49,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:49,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2814 states to 1585 states and 2814 transitions. [2023-11-19 03:35:49,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 2814 transitions. [2023-11-19 03:35:49,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 775 [2023-11-19 03:35:49,761 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:49,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:50,225 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 03:35:50,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:50,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2832 states to 1599 states and 2832 transitions. [2023-11-19 03:35:50,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 2832 transitions. [2023-11-19 03:35:50,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 776 [2023-11-19 03:35:50,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:50,976 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:51,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:51,453 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 03:35:52,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:52,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2850 states to 1604 states and 2850 transitions. [2023-11-19 03:35:52,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2850 transitions. [2023-11-19 03:35:52,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 776 [2023-11-19 03:35:52,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:52,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:35:53,008 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 03:35:53,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:35:53,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2854 states to 1607 states and 2854 transitions. [2023-11-19 03:35:53,212 INFO L276 IsEmpty]: Start isEmpty. Operand 1607 states and 2854 transitions. [2023-11-19 03:35:53,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 780 [2023-11-19 03:35:53,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:35:53,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:35:53,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat