./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label28.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_9af02d22-42bd-472f-91fb-10c48600338c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9af02d22-42bd-472f-91fb-10c48600338c/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_9af02d22-42bd-472f-91fb-10c48600338c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9af02d22-42bd-472f-91fb-10c48600338c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label28.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9af02d22-42bd-472f-91fb-10c48600338c/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_9af02d22-42bd-472f-91fb-10c48600338c/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 480af262cda4397eeb9e570da47990ce157a2b110ec643ba069b0968d8ba36a6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:26:47,796 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:26:47,959 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9af02d22-42bd-472f-91fb-10c48600338c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:26:47,965 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:26:47,966 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:26:47,997 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:26:47,998 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:26:47,999 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:26:48,000 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:26:48,001 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:26:48,002 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:26:48,003 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:26:48,004 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:26:48,005 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:26:48,005 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:26:48,006 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:26:48,007 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:26:48,008 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:26:48,009 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:26:48,009 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:26:48,010 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:26:48,013 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:26:48,014 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:26:48,017 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:26:48,017 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:26:48,018 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:26:48,019 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:26:48,020 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:26:48,020 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:26:48,021 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:26:48,023 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:26:48,023 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:26:48,023 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:26:48,024 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_9af02d22-42bd-472f-91fb-10c48600338c/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9af02d22-42bd-472f-91fb-10c48600338c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 480af262cda4397eeb9e570da47990ce157a2b110ec643ba069b0968d8ba36a6 [2023-11-19 03:26:48,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:26:48,488 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:26:48,491 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:26:48,493 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:26:48,494 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:26:48,496 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9af02d22-42bd-472f-91fb-10c48600338c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/eca-rers2012/Problem03_label28.c [2023-11-19 03:26:52,553 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:26:53,080 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:26:53,081 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9af02d22-42bd-472f-91fb-10c48600338c/sv-benchmarks/c/eca-rers2012/Problem03_label28.c [2023-11-19 03:26:53,110 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9af02d22-42bd-472f-91fb-10c48600338c/bin/ukojak-verify-G8NBE6pJGL/data/badb9eabe/5ee467d859af4666a968fce6b6757e4d/FLAG35f2eb9a6 [2023-11-19 03:26:53,131 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9af02d22-42bd-472f-91fb-10c48600338c/bin/ukojak-verify-G8NBE6pJGL/data/badb9eabe/5ee467d859af4666a968fce6b6757e4d [2023-11-19 03:26:53,140 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:26:53,143 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:26:53,145 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:26:53,145 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:26:53,154 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:26:53,155 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:26:53" (1/1) ... [2023-11-19 03:26:53,156 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dc3a299 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:53, skipping insertion in model container [2023-11-19 03:26:53,157 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:26:53" (1/1) ... [2023-11-19 03:26:53,306 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:26:54,095 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_9af02d22-42bd-472f-91fb-10c48600338c/sv-benchmarks/c/eca-rers2012/Problem03_label28.c[54731,54744] [2023-11-19 03:26:54,161 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:26:54,178 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:26:54,526 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_9af02d22-42bd-472f-91fb-10c48600338c/sv-benchmarks/c/eca-rers2012/Problem03_label28.c[54731,54744] [2023-11-19 03:26:54,577 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:26:54,609 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:26:54,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:54 WrapperNode [2023-11-19 03:26:54,610 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:26:54,612 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:26:54,612 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:26:54,612 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:26:54,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:54" (1/1) ... [2023-11-19 03:26:54,708 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:54" (1/1) ... [2023-11-19 03:26:54,859 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1772 [2023-11-19 03:26:54,860 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:26:54,861 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:26:54,861 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:26:54,861 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:26:54,873 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:54" (1/1) ... [2023-11-19 03:26:54,874 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:54" (1/1) ... [2023-11-19 03:26:54,887 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:54" (1/1) ... [2023-11-19 03:26:54,888 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:54" (1/1) ... [2023-11-19 03:26:54,956 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:54" (1/1) ... [2023-11-19 03:26:54,969 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:54" (1/1) ... [2023-11-19 03:26:54,981 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:54" (1/1) ... [2023-11-19 03:26:54,998 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:54" (1/1) ... [2023-11-19 03:26:55,015 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:26:55,016 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:26:55,016 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:26:55,017 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:26:55,018 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:26:54" (1/1) ... [2023-11-19 03:26:55,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:26:55,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9af02d22-42bd-472f-91fb-10c48600338c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:26:55,053 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9af02d22-42bd-472f-91fb-10c48600338c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:26:55,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9af02d22-42bd-472f-91fb-10c48600338c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:26:55,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:26:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:26:55,115 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:26:55,115 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:26:55,229 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:26:55,232 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:26:57,991 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:26:58,607 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:26:58,608 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:26:58,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:26:58 BoogieIcfgContainer [2023-11-19 03:26:58,625 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:26:58,627 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:26:58,628 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:26:58,641 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:26:58,641 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:26:58" (1/1) ... [2023-11-19 03:26:58,654 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:26:58,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:26:58,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 148 states and 288 transitions. [2023-11-19 03:26:58,754 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 288 transitions. [2023-11-19 03:26:58,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-19 03:26:58,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:26:58,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:26:59,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:00,011 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 03:27:01,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:01,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 289 states and 459 transitions. [2023-11-19 03:27:01,533 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 459 transitions. [2023-11-19 03:27:01,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-19 03:27:01,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:01,539 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:01,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:02,311 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:04,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:04,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 437 states and 642 transitions. [2023-11-19 03:27:04,541 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 642 transitions. [2023-11-19 03:27:04,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-19 03:27:04,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:04,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:04,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:04,840 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 03:27:05,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:05,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 444 states and 652 transitions. [2023-11-19 03:27:05,094 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 652 transitions. [2023-11-19 03:27:05,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-11-19 03:27:05,106 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:05,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:05,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:05,543 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:06,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:06,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 669 states to 449 states and 669 transitions. [2023-11-19 03:27:06,155 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 669 transitions. [2023-11-19 03:27:06,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-19 03:27:06,158 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:06,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:06,482 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:27:08,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:08,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 827 states to 591 states and 827 transitions. [2023-11-19 03:27:08,054 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 827 transitions. [2023-11-19 03:27:08,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-19 03:27:08,058 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:08,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:08,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:08,671 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:27:09,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:09,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 607 states and 862 transitions. [2023-11-19 03:27:09,589 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 862 transitions. [2023-11-19 03:27:09,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2023-11-19 03:27:09,592 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:09,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:09,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:10,122 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 26 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:27:10,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:10,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 872 states to 614 states and 872 transitions. [2023-11-19 03:27:10,634 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 872 transitions. [2023-11-19 03:27:10,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-19 03:27:10,637 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:10,638 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:10,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:11,147 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:27:12,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:12,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 631 states and 917 transitions. [2023-11-19 03:27:12,133 INFO L276 IsEmpty]: Start isEmpty. Operand 631 states and 917 transitions. [2023-11-19 03:27:12,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-19 03:27:12,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:12,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:12,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:12,661 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:27:14,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:14,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 657 states and 1024 transitions. [2023-11-19 03:27:14,496 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 1024 transitions. [2023-11-19 03:27:14,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-19 03:27:14,500 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:14,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:14,989 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:27:16,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:16,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 670 states and 1044 transitions. [2023-11-19 03:27:16,017 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 1044 transitions. [2023-11-19 03:27:16,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-19 03:27:16,027 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:16,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:16,272 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:27:17,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:17,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 682 states and 1065 transitions. [2023-11-19 03:27:17,695 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1065 transitions. [2023-11-19 03:27:17,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-19 03:27:17,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:17,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:17,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:18,138 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 03:27:19,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:19,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 704 states and 1116 transitions. [2023-11-19 03:27:19,464 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 1116 transitions. [2023-11-19 03:27:19,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-19 03:27:19,469 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:19,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:19,865 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 35 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:27:20,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:20,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1127 states to 712 states and 1127 transitions. [2023-11-19 03:27:20,595 INFO L276 IsEmpty]: Start isEmpty. Operand 712 states and 1127 transitions. [2023-11-19 03:27:20,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-19 03:27:20,599 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:20,600 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:20,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:21,036 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:21,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:21,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 733 states and 1150 transitions. [2023-11-19 03:27:21,764 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1150 transitions. [2023-11-19 03:27:21,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-19 03:27:21,768 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:21,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:22,068 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 36 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:27:22,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:22,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 734 states and 1151 transitions. [2023-11-19 03:27:22,187 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 1151 transitions. [2023-11-19 03:27:22,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-11-19 03:27:22,192 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:22,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:22,671 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:24,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:24,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 764 states and 1204 transitions. [2023-11-19 03:27:24,884 INFO L276 IsEmpty]: Start isEmpty. Operand 764 states and 1204 transitions. [2023-11-19 03:27:24,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-19 03:27:24,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:24,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:24,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:25,222 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 37 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:27:25,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:25,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1205 states to 765 states and 1205 transitions. [2023-11-19 03:27:25,392 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 1205 transitions. [2023-11-19 03:27:25,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-11-19 03:27:25,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:25,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:25,567 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:27:25,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:25,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 770 states and 1211 transitions. [2023-11-19 03:27:25,675 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 1211 transitions. [2023-11-19 03:27:25,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-19 03:27:25,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:25,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:25,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:26,001 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 41 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:27:26,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:26,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 779 states and 1219 transitions. [2023-11-19 03:27:26,210 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1219 transitions. [2023-11-19 03:27:26,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-11-19 03:27:26,213 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:26,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:26,480 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 41 proven. 6 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:27:27,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:27,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1239 states to 795 states and 1239 transitions. [2023-11-19 03:27:27,622 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1239 transitions. [2023-11-19 03:27:27,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-19 03:27:27,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:27,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:27,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:28,042 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-19 03:27:29,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:29,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 822 states and 1275 transitions. [2023-11-19 03:27:29,207 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1275 transitions. [2023-11-19 03:27:29,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-11-19 03:27:29,210 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:29,210 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:29,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:29,695 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 39 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:27:32,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:27:32,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 861 states and 1336 transitions. [2023-11-19 03:27:32,626 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1336 transitions. [2023-11-19 03:27:32,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-11-19 03:27:32,629 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:27:32,630 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:27:32,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:27:33,194 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked.