./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label18.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_7e040c72-7c13-4b1a-8728-4fec682bf3e6/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e040c72-7c13-4b1a-8728-4fec682bf3e6/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_7e040c72-7c13-4b1a-8728-4fec682bf3e6/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e040c72-7c13-4b1a-8728-4fec682bf3e6/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label18.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e040c72-7c13-4b1a-8728-4fec682bf3e6/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_7e040c72-7c13-4b1a-8728-4fec682bf3e6/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 e24bd519e399f32156660fefc51fd1b02b2c031e37c95979564c3255468cf52f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:47:03,639 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:47:03,772 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e040c72-7c13-4b1a-8728-4fec682bf3e6/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:47:03,779 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:47:03,780 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:47:03,819 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:47:03,820 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:47:03,820 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:47:03,821 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:47:03,826 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:47:03,828 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:47:03,828 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:47:03,829 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:47:03,830 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:47:03,831 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:47:03,831 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:47:03,832 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:47:03,832 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:47:03,832 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:47:03,833 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:47:03,833 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:47:03,834 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:47:03,834 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:47:03,835 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:47:03,835 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:47:03,836 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:47:03,836 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:47:03,837 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:47:03,837 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:47:03,838 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:47:03,839 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:47:03,839 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:47:03,839 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:47:03,840 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_7e040c72-7c13-4b1a-8728-4fec682bf3e6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e040c72-7c13-4b1a-8728-4fec682bf3e6/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e24bd519e399f32156660fefc51fd1b02b2c031e37c95979564c3255468cf52f [2023-11-19 02:47:04,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:47:04,168 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:47:04,170 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:47:04,171 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:47:04,172 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:47:04,173 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e040c72-7c13-4b1a-8728-4fec682bf3e6/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/eca-rers2012/Problem04_label18.c [2023-11-19 02:47:07,202 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:47:07,762 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:47:07,762 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e040c72-7c13-4b1a-8728-4fec682bf3e6/sv-benchmarks/c/eca-rers2012/Problem04_label18.c [2023-11-19 02:47:07,802 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e040c72-7c13-4b1a-8728-4fec682bf3e6/bin/ukojak-verify-G8NBE6pJGL/data/e74b3464b/7679f10ff3ea42e8997cd52451799728/FLAGacdfa135f [2023-11-19 02:47:07,819 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e040c72-7c13-4b1a-8728-4fec682bf3e6/bin/ukojak-verify-G8NBE6pJGL/data/e74b3464b/7679f10ff3ea42e8997cd52451799728 [2023-11-19 02:47:07,824 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:47:07,827 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:47:07,830 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:47:07,830 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:47:07,835 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:47:07,836 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:07" (1/1) ... [2023-11-19 02:47:07,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1363a375 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:07, skipping insertion in model container [2023-11-19 02:47:07,839 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:47:07" (1/1) ... [2023-11-19 02:47:08,012 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:47:09,494 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_7e040c72-7c13-4b1a-8728-4fec682bf3e6/sv-benchmarks/c/eca-rers2012/Problem04_label18.c[179236,179249] [2023-11-19 02:47:09,521 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:47:09,533 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:47:10,237 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_7e040c72-7c13-4b1a-8728-4fec682bf3e6/sv-benchmarks/c/eca-rers2012/Problem04_label18.c[179236,179249] [2023-11-19 02:47:10,248 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:47:10,278 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:47:10,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:10 WrapperNode [2023-11-19 02:47:10,279 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:47:10,280 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:47:10,280 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:47:10,280 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:47:10,288 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:10" (1/1) ... [2023-11-19 02:47:10,354 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:10" (1/1) ... [2023-11-19 02:47:10,524 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5573 [2023-11-19 02:47:10,524 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:47:10,526 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:47:10,526 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:47:10,526 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:47:10,535 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:10" (1/1) ... [2023-11-19 02:47:10,536 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:10" (1/1) ... [2023-11-19 02:47:10,553 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:10" (1/1) ... [2023-11-19 02:47:10,553 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:10" (1/1) ... [2023-11-19 02:47:10,652 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:10" (1/1) ... [2023-11-19 02:47:10,690 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:10" (1/1) ... [2023-11-19 02:47:10,732 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:10" (1/1) ... [2023-11-19 02:47:10,743 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:10" (1/1) ... [2023-11-19 02:47:10,781 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:47:10,782 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:47:10,782 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:47:10,782 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:47:10,783 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:47:10" (1/1) ... [2023-11-19 02:47:10,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:47:10,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e040c72-7c13-4b1a-8728-4fec682bf3e6/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:47:10,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e040c72-7c13-4b1a-8728-4fec682bf3e6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:47:10,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e040c72-7c13-4b1a-8728-4fec682bf3e6/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:47:10,853 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:47:10,853 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:47:10,854 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:47:10,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:47:10,969 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:47:10,973 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:47:15,672 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:47:15,982 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:47:15,983 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 02:47:15,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:47:15 BoogieIcfgContainer [2023-11-19 02:47:15,999 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:47:16,001 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:47:16,001 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:47:16,012 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:47:16,012 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:47:15" (1/1) ... [2023-11-19 02:47:16,022 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:47:16,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:16,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 763 states and 1515 transitions. [2023-11-19 02:47:16,121 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1515 transitions. [2023-11-19 02:47:16,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2023-11-19 02:47:16,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:16,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:16,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:18,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:23,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:23,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 1516 states and 2376 transitions. [2023-11-19 02:47:23,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 2376 transitions. [2023-11-19 02:47:23,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2023-11-19 02:47:23,647 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:23,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:23,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:25,339 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:25,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:25,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 1519 states and 2381 transitions. [2023-11-19 02:47:25,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2381 transitions. [2023-11-19 02:47:25,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 761 [2023-11-19 02:47:25,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:25,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:25,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:26,510 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 02:47:26,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:26,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2388 states to 1523 states and 2388 transitions. [2023-11-19 02:47:26,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 2388 transitions. [2023-11-19 02:47:26,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 763 [2023-11-19 02:47:26,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:26,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:27,471 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 02:47:27,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:27,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 1526 states and 2392 transitions. [2023-11-19 02:47:27,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 2392 transitions. [2023-11-19 02:47:27,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 765 [2023-11-19 02:47:27,680 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:27,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:28,295 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 02:47:28,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:28,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 1534 states and 2404 transitions. [2023-11-19 02:47:28,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 2404 transitions. [2023-11-19 02:47:28,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 766 [2023-11-19 02:47:28,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:28,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:28,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:29,492 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:29,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:29,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 1543 states and 2418 transitions. [2023-11-19 02:47:29,998 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2418 transitions. [2023-11-19 02:47:30,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 767 [2023-11-19 02:47:30,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:30,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:30,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:30,772 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:31,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:31,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 1553 states and 2434 transitions. [2023-11-19 02:47:31,457 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 2434 transitions. [2023-11-19 02:47:31,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 768 [2023-11-19 02:47:31,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:31,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:31,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:32,124 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 02:47:33,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:33,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2452 states to 1564 states and 2452 transitions. [2023-11-19 02:47:33,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2452 transitions. [2023-11-19 02:47:33,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 769 [2023-11-19 02:47:33,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:33,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:34,136 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:34,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:34,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2461 states to 1570 states and 2461 transitions. [2023-11-19 02:47:34,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2461 transitions. [2023-11-19 02:47:34,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 771 [2023-11-19 02:47:34,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:34,852 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:35,905 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 02:47:36,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:36,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 1571 states and 2464 transitions. [2023-11-19 02:47:36,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2464 transitions. [2023-11-19 02:47:36,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 772 [2023-11-19 02:47:36,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:36,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:37,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:37,602 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 02:47:37,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:37,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2469 states to 1575 states and 2469 transitions. [2023-11-19 02:47:37,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 2469 transitions. [2023-11-19 02:47:37,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 774 [2023-11-19 02:47:37,799 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:37,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:38,360 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:39,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:39,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 1588 states and 2486 transitions. [2023-11-19 02:47:39,012 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 2486 transitions. [2023-11-19 02:47:39,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 775 [2023-11-19 02:47:39,021 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:39,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:39,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:39,844 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:40,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:40,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2490 states to 1591 states and 2490 transitions. [2023-11-19 02:47:40,223 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 2490 transitions. [2023-11-19 02:47:40,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 776 [2023-11-19 02:47:40,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:40,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:40,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:40,757 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:41,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:41,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2506 states to 1602 states and 2506 transitions. [2023-11-19 02:47:41,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1602 states and 2506 transitions. [2023-11-19 02:47:41,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 778 [2023-11-19 02:47:41,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:41,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:41,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:41,820 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 02:47:41,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:41,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 1603 states and 2507 transitions. [2023-11-19 02:47:41,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 2507 transitions. [2023-11-19 02:47:41,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 778 [2023-11-19 02:47:41,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:41,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:42,732 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 02:47:43,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:43,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2508 states to 1604 states and 2508 transitions. [2023-11-19 02:47:43,692 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2508 transitions. [2023-11-19 02:47:43,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 779 [2023-11-19 02:47:43,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:43,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:44,225 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:45,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:45,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2537 states to 1626 states and 2537 transitions. [2023-11-19 02:47:45,278 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 2537 transitions. [2023-11-19 02:47:45,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 780 [2023-11-19 02:47:45,282 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:45,283 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:45,727 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:47:46,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:46,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2547 states to 1631 states and 2547 transitions. [2023-11-19 02:47:46,092 INFO L276 IsEmpty]: Start isEmpty. Operand 1631 states and 2547 transitions. [2023-11-19 02:47:46,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 780 [2023-11-19 02:47:46,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:46,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:46,546 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-19 02:47:46,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:46,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2554 states to 1636 states and 2554 transitions. [2023-11-19 02:47:46,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 2554 transitions. [2023-11-19 02:47:46,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 781 [2023-11-19 02:47:46,879 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:46,879 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:46,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:47,299 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 02:47:47,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:47,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2567 states to 1646 states and 2567 transitions. [2023-11-19 02:47:47,904 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 2567 transitions. [2023-11-19 02:47:47,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 781 [2023-11-19 02:47:47,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:47,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:47,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:48,417 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:48,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:48,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2579 states to 1655 states and 2579 transitions. [2023-11-19 02:47:48,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2579 transitions. [2023-11-19 02:47:48,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 782 [2023-11-19 02:47:48,931 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:48,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:49,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:49,882 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 02:47:50,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:50,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2593 states to 1659 states and 2593 transitions. [2023-11-19 02:47:50,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 2593 transitions. [2023-11-19 02:47:50,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 783 [2023-11-19 02:47:50,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:50,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:47:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 02:47:50,955 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2023-11-19 02:47:51,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:47:51,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2602 states to 1665 states and 2602 transitions. [2023-11-19 02:47:51,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1665 states and 2602 transitions. [2023-11-19 02:47:51,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 783 [2023-11-19 02:47:51,760 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:47:51,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms