./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label34.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_886f23c8-7faa-4f2c-833c-8e33a9124051/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_886f23c8-7faa-4f2c-833c-8e33a9124051/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_886f23c8-7faa-4f2c-833c-8e33a9124051/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_886f23c8-7faa-4f2c-833c-8e33a9124051/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label34.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_886f23c8-7faa-4f2c-833c-8e33a9124051/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_886f23c8-7faa-4f2c-833c-8e33a9124051/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 6000afea4dd0404b9ff958778867dfa6300a2acabdbe98e6a467db1851bf3ceb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:23:58,899 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:23:58,985 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_886f23c8-7faa-4f2c-833c-8e33a9124051/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:23:58,991 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:23:58,991 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:23:59,017 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:23:59,018 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:23:59,018 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:23:59,019 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:23:59,020 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:23:59,021 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:23:59,021 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:23:59,022 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:23:59,022 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:23:59,023 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:23:59,024 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:23:59,024 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:23:59,025 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:23:59,025 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:23:59,026 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:23:59,026 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:23:59,027 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:23:59,028 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:23:59,028 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:23:59,028 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:23:59,029 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:23:59,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:23:59,030 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:23:59,030 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:23:59,031 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:23:59,031 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:23:59,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:23:59,032 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:23:59,032 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_886f23c8-7faa-4f2c-833c-8e33a9124051/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_886f23c8-7faa-4f2c-833c-8e33a9124051/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6000afea4dd0404b9ff958778867dfa6300a2acabdbe98e6a467db1851bf3ceb [2023-11-19 03:23:59,285 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:23:59,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:23:59,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:23:59,322 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:23:59,323 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:23:59,325 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_886f23c8-7faa-4f2c-833c-8e33a9124051/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/eca-rers2012/Problem04_label34.c [2023-11-19 03:24:02,400 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:24:02,978 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:24:02,979 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_886f23c8-7faa-4f2c-833c-8e33a9124051/sv-benchmarks/c/eca-rers2012/Problem04_label34.c [2023-11-19 03:24:03,019 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_886f23c8-7faa-4f2c-833c-8e33a9124051/bin/ukojak-verify-G8NBE6pJGL/data/d20dbeb9c/f5e2e92ab2244030815b531ccf482bf7/FLAG7ab51be39 [2023-11-19 03:24:03,037 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_886f23c8-7faa-4f2c-833c-8e33a9124051/bin/ukojak-verify-G8NBE6pJGL/data/d20dbeb9c/f5e2e92ab2244030815b531ccf482bf7 [2023-11-19 03:24:03,043 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:24:03,045 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:24:03,047 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:24:03,047 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:24:03,052 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:24:03,052 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:24:03" (1/1) ... [2023-11-19 03:24:03,054 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d822024 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:03, skipping insertion in model container [2023-11-19 03:24:03,055 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:24:03" (1/1) ... [2023-11-19 03:24:03,229 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:24:04,735 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_886f23c8-7faa-4f2c-833c-8e33a9124051/sv-benchmarks/c/eca-rers2012/Problem04_label34.c[180736,180749] [2023-11-19 03:24:04,758 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:24:04,769 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:24:05,426 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_886f23c8-7faa-4f2c-833c-8e33a9124051/sv-benchmarks/c/eca-rers2012/Problem04_label34.c[180736,180749] [2023-11-19 03:24:05,436 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:24:05,466 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:24:05,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:05 WrapperNode [2023-11-19 03:24:05,467 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:24:05,468 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:24:05,468 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:24:05,468 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:24:05,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:05" (1/1) ... [2023-11-19 03:24:05,541 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:05" (1/1) ... [2023-11-19 03:24:05,759 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5573 [2023-11-19 03:24:05,759 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:24:05,760 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:24:05,760 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:24:05,761 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:24:05,771 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:05" (1/1) ... [2023-11-19 03:24:05,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:05" (1/1) ... [2023-11-19 03:24:05,796 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:05" (1/1) ... [2023-11-19 03:24:05,796 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:05" (1/1) ... [2023-11-19 03:24:05,896 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:05" (1/1) ... [2023-11-19 03:24:05,934 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:05" (1/1) ... [2023-11-19 03:24:05,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:05" (1/1) ... [2023-11-19 03:24:05,987 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:05" (1/1) ... [2023-11-19 03:24:06,027 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:24:06,028 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:24:06,028 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:24:06,028 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:24:06,029 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:05" (1/1) ... [2023-11-19 03:24:06,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:24:06,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_886f23c8-7faa-4f2c-833c-8e33a9124051/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:24:06,059 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_886f23c8-7faa-4f2c-833c-8e33a9124051/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:24:06,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_886f23c8-7faa-4f2c-833c-8e33a9124051/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:24:06,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:24:06,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:24:06,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:24:06,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:24:06,214 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:24:06,218 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:24:11,041 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:24:11,458 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:24:11,459 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:24:11,474 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:24:11 BoogieIcfgContainer [2023-11-19 03:24:11,474 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:24:11,476 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:24:11,476 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:24:11,490 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:24:11,491 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:24:11" (1/1) ... [2023-11-19 03:24:11,500 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:24:11,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:11,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 763 states and 1515 transitions. [2023-11-19 03:24:11,594 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1515 transitions. [2023-11-19 03:24:11,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2023-11-19 03:24:11,630 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:11,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:12,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:13,672 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 03:24:18,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:18,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2592 states to 1516 states and 2592 transitions. [2023-11-19 03:24:18,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 2592 transitions. [2023-11-19 03:24:18,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2023-11-19 03:24:18,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:18,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:18,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:20,457 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 03:24:20,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:20,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2597 states to 1519 states and 2597 transitions. [2023-11-19 03:24:20,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2597 transitions. [2023-11-19 03:24:20,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 761 [2023-11-19 03:24:20,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:20,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:21,727 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 03:24:21,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:21,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2603 states to 1523 states and 2603 transitions. [2023-11-19 03:24:21,975 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 2603 transitions. [2023-11-19 03:24:21,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 762 [2023-11-19 03:24:21,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:21,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:23,001 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 03:24:23,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:23,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2605 states to 1525 states and 2605 transitions. [2023-11-19 03:24:23,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 2605 transitions. [2023-11-19 03:24:23,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 765 [2023-11-19 03:24:23,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:23,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:23,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:23,864 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 03:24:24,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:24,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2617 states to 1533 states and 2617 transitions. [2023-11-19 03:24:24,228 INFO L276 IsEmpty]: Start isEmpty. Operand 1533 states and 2617 transitions. [2023-11-19 03:24:24,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 768 [2023-11-19 03:24:24,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:24,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:24,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:25,061 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 03:24:25,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:25,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2633 states to 1544 states and 2633 transitions. [2023-11-19 03:24:25,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1544 states and 2633 transitions. [2023-11-19 03:24:25,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 769 [2023-11-19 03:24:25,544 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:25,544 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:25,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:26,717 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 03:24:27,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:27,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2651 states to 1556 states and 2651 transitions. [2023-11-19 03:24:27,371 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2651 transitions. [2023-11-19 03:24:27,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 771 [2023-11-19 03:24:27,379 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:27,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:27,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:28,278 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 03:24:29,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:29,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2652 states to 1557 states and 2652 transitions. [2023-11-19 03:24:29,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 2652 transitions. [2023-11-19 03:24:29,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 772 [2023-11-19 03:24:29,154 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:29,154 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:29,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:29,842 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 03:24:30,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:30,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2657 states to 1561 states and 2657 transitions. [2023-11-19 03:24:30,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1561 states and 2657 transitions. [2023-11-19 03:24:30,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 773 [2023-11-19 03:24:30,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:30,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:30,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:30,599 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 03:24:30,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:30,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2667 states to 1569 states and 2667 transitions. [2023-11-19 03:24:30,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1569 states and 2667 transitions. [2023-11-19 03:24:30,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 775 [2023-11-19 03:24:30,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:30,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:30,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:31,463 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 03:24:31,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:31,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2684 states to 1583 states and 2684 transitions. [2023-11-19 03:24:31,945 INFO L276 IsEmpty]: Start isEmpty. Operand 1583 states and 2684 transitions. [2023-11-19 03:24:31,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 776 [2023-11-19 03:24:31,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:31,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:32,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:32,659 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 03:24:33,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:33,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2693 states to 1588 states and 2693 transitions. [2023-11-19 03:24:33,445 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 2693 transitions. [2023-11-19 03:24:33,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 778 [2023-11-19 03:24:33,454 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:33,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:33,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:34,317 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-19 03:24:39,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:39,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3477 states to 2363 states and 3477 transitions. [2023-11-19 03:24:39,701 INFO L276 IsEmpty]: Start isEmpty. Operand 2363 states and 3477 transitions. [2023-11-19 03:24:39,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 780 [2023-11-19 03:24:39,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:39,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:39,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:40,436 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 03:24:40,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:40,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3488 states to 2371 states and 3488 transitions. [2023-11-19 03:24:40,898 INFO L276 IsEmpty]: Start isEmpty. Operand 2371 states and 3488 transitions. [2023-11-19 03:24:40,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 787 [2023-11-19 03:24:40,913 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:40,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:41,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:41,608 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:24:41,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:41,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3494 states to 2377 states and 3494 transitions. [2023-11-19 03:24:41,946 INFO L276 IsEmpty]: Start isEmpty. Operand 2377 states and 3494 transitions. [2023-11-19 03:24:41,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 787 [2023-11-19 03:24:41,957 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:41,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:42,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:42,486 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:24:42,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:42,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3497 states to 2380 states and 3497 transitions. [2023-11-19 03:24:42,691 INFO L276 IsEmpty]: Start isEmpty. Operand 2380 states and 3497 transitions. [2023-11-19 03:24:42,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 787 [2023-11-19 03:24:42,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:42,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:43,202 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:24:43,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:43,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3502 states to 2385 states and 3502 transitions. [2023-11-19 03:24:43,545 INFO L276 IsEmpty]: Start isEmpty. Operand 2385 states and 3502 transitions. [2023-11-19 03:24:43,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 788 [2023-11-19 03:24:43,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:43,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:43,965 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-19 03:24:44,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:44,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3505 states to 2386 states and 3505 transitions. [2023-11-19 03:24:44,481 INFO L276 IsEmpty]: Start isEmpty. Operand 2386 states and 3505 transitions. [2023-11-19 03:24:44,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 788 [2023-11-19 03:24:44,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:44,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms