./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem04_label55.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038f2f8e-cb17-4d93-a113-594683a92ea7/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038f2f8e-cb17-4d93-a113-594683a92ea7/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038f2f8e-cb17-4d93-a113-594683a92ea7/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038f2f8e-cb17-4d93-a113-594683a92ea7/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem04_label55.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038f2f8e-cb17-4d93-a113-594683a92ea7/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038f2f8e-cb17-4d93-a113-594683a92ea7/bin/ukojak-verify-afCqCEvfdi --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 aa468cdeacc2d7780833e7258ebf99c7e35f22152fb9ab283fc568491a2af1a1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:13:31,400 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:13:31,477 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038f2f8e-cb17-4d93-a113-594683a92ea7/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:13:31,483 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:13:31,484 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:13:31,510 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:13:31,511 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:13:31,512 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:13:31,513 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:13:31,514 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:13:31,515 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:13:31,515 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:13:31,516 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:13:31,517 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:13:31,517 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:13:31,518 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:13:31,519 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:13:31,519 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:13:31,520 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:13:31,521 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:13:31,522 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:13:31,522 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:13:31,523 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:13:31,524 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:13:31,525 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:13:31,525 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:13:31,526 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:31,527 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:13:31,527 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:13:31,528 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:13:31,528 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:13:31,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:13:31,529 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:13:31,530 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_038f2f8e-cb17-4d93-a113-594683a92ea7/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038f2f8e-cb17-4d93-a113-594683a92ea7/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aa468cdeacc2d7780833e7258ebf99c7e35f22152fb9ab283fc568491a2af1a1 [2023-11-24 23:13:31,828 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:13:31,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:13:31,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:13:31,865 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:13:31,867 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:13:31,868 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038f2f8e-cb17-4d93-a113-594683a92ea7/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/eca-rers2012/Problem04_label55.c [2023-11-24 23:13:35,056 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:13:35,613 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:13:35,615 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038f2f8e-cb17-4d93-a113-594683a92ea7/sv-benchmarks/c/eca-rers2012/Problem04_label55.c [2023-11-24 23:13:35,655 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038f2f8e-cb17-4d93-a113-594683a92ea7/bin/ukojak-verify-afCqCEvfdi/data/232eb7384/5c7ce26317cb428290ac4f564d8465eb/FLAG83448c37b [2023-11-24 23:13:35,673 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038f2f8e-cb17-4d93-a113-594683a92ea7/bin/ukojak-verify-afCqCEvfdi/data/232eb7384/5c7ce26317cb428290ac4f564d8465eb [2023-11-24 23:13:35,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:13:35,681 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:13:35,684 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:35,685 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:13:35,690 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:13:35,693 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:35" (1/1) ... [2023-11-24 23:13:35,695 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29daff17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:35, skipping insertion in model container [2023-11-24 23:13:35,695 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:13:35" (1/1) ... [2023-11-24 23:13:35,856 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:13:37,295 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_038f2f8e-cb17-4d93-a113-594683a92ea7/sv-benchmarks/c/eca-rers2012/Problem04_label55.c[178827,178840] [2023-11-24 23:13:37,320 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:37,333 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:13:37,984 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_038f2f8e-cb17-4d93-a113-594683a92ea7/sv-benchmarks/c/eca-rers2012/Problem04_label55.c[178827,178840] [2023-11-24 23:13:37,996 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:13:38,027 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:13:38,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:38 WrapperNode [2023-11-24 23:13:38,027 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:13:38,029 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:38,029 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:13:38,029 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:13:38,037 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:38" (1/1) ... [2023-11-24 23:13:38,100 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:38" (1/1) ... [2023-11-24 23:13:38,298 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 5573 [2023-11-24 23:13:38,298 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:13:38,299 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:13:38,299 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:13:38,299 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:13:38,309 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:38" (1/1) ... [2023-11-24 23:13:38,309 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:38" (1/1) ... [2023-11-24 23:13:38,325 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:38" (1/1) ... [2023-11-24 23:13:38,325 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:38" (1/1) ... [2023-11-24 23:13:38,524 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:38" (1/1) ... [2023-11-24 23:13:38,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:38" (1/1) ... [2023-11-24 23:13:38,594 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:38" (1/1) ... [2023-11-24 23:13:38,605 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:38" (1/1) ... [2023-11-24 23:13:38,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:13:38,633 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:13:38,634 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:13:38,634 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:13:38,635 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:13:38" (1/1) ... [2023-11-24 23:13:38,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:13:38,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038f2f8e-cb17-4d93-a113-594683a92ea7/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:13:38,667 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038f2f8e-cb17-4d93-a113-594683a92ea7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:13:38,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_038f2f8e-cb17-4d93-a113-594683a92ea7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:13:38,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:13:38,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:13:38,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:13:38,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:13:38,853 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:13:38,855 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:13:44,100 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:13:44,494 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:13:44,494 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:13:44,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:44 BoogieIcfgContainer [2023-11-24 23:13:44,496 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:13:44,497 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:13:44,497 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:13:44,508 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:13:44,508 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:13:44" (1/1) ... [2023-11-24 23:13:44,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:13:44,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:44,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 763 states and 1515 transitions. [2023-11-24 23:13:44,593 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1515 transitions. [2023-11-24 23:13:44,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 756 [2023-11-24 23:13:44,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:44,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:47,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:52,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:52,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 1516 states and 2376 transitions. [2023-11-24 23:13:52,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 2376 transitions. [2023-11-24 23:13:52,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2023-11-24 23:13:52,603 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:52,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:52,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:54,368 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:54,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:54,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2381 states to 1519 states and 2381 transitions. [2023-11-24 23:13:54,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1519 states and 2381 transitions. [2023-11-24 23:13:54,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 761 [2023-11-24 23:13:54,547 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:54,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:55,645 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:55,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:55,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2388 states to 1523 states and 2388 transitions. [2023-11-24 23:13:55,880 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 2388 transitions. [2023-11-24 23:13:55,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 763 [2023-11-24 23:13:55,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:55,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:56,541 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:56,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:56,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2392 states to 1526 states and 2392 transitions. [2023-11-24 23:13:56,698 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 2392 transitions. [2023-11-24 23:13:56,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 765 [2023-11-24 23:13:56,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:56,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:56,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:57,340 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:57,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:57,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2404 states to 1534 states and 2404 transitions. [2023-11-24 23:13:57,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 2404 transitions. [2023-11-24 23:13:57,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 766 [2023-11-24 23:13:57,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:57,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:13:58,658 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:13:59,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:13:59,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 1543 states and 2418 transitions. [2023-11-24 23:13:59,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1543 states and 2418 transitions. [2023-11-24 23:13:59,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 767 [2023-11-24 23:13:59,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:13:59,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:13:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:00,012 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:14:00,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:14:00,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2434 states to 1553 states and 2434 transitions. [2023-11-24 23:14:00,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 2434 transitions. [2023-11-24 23:14:00,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 768 [2023-11-24 23:14:00,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:14:00,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:00,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:01,526 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:14:02,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:14:02,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2452 states to 1564 states and 2452 transitions. [2023-11-24 23:14:02,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1564 states and 2452 transitions. [2023-11-24 23:14:02,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 769 [2023-11-24 23:14:02,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:14:02,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:03,836 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:14:04,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:14:04,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2461 states to 1570 states and 2461 transitions. [2023-11-24 23:14:04,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2461 transitions. [2023-11-24 23:14:04,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 771 [2023-11-24 23:14:04,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:14:04,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:04,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:05,645 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:14:06,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:14:06,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 1571 states and 2464 transitions. [2023-11-24 23:14:06,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 2464 transitions. [2023-11-24 23:14:06,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 772 [2023-11-24 23:14:06,757 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:14:06,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:07,317 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:14:07,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:14:07,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2469 states to 1575 states and 2469 transitions. [2023-11-24 23:14:07,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 2469 transitions. [2023-11-24 23:14:07,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 774 [2023-11-24 23:14:07,520 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:14:07,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:08,100 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:14:08,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:14:08,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 1588 states and 2486 transitions. [2023-11-24 23:14:08,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 2486 transitions. [2023-11-24 23:14:08,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 775 [2023-11-24 23:14:08,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:14:08,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:08,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:09,766 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:14:10,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:14:10,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2490 states to 1591 states and 2490 transitions. [2023-11-24 23:14:10,152 INFO L276 IsEmpty]: Start isEmpty. Operand 1591 states and 2490 transitions. [2023-11-24 23:14:10,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 776 [2023-11-24 23:14:10,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:14:10,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:10,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:10,587 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:14:11,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:14:11,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2506 states to 1602 states and 2506 transitions. [2023-11-24 23:14:11,386 INFO L276 IsEmpty]: Start isEmpty. Operand 1602 states and 2506 transitions. [2023-11-24 23:14:11,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 778 [2023-11-24 23:14:11,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:14:11,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:11,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:11,861 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 23:14:11,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:14:12,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2507 states to 1603 states and 2507 transitions. [2023-11-24 23:14:12,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1603 states and 2507 transitions. [2023-11-24 23:14:12,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 778 [2023-11-24 23:14:12,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:14:12,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:12,787 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-11-24 23:14:13,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:14:13,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2508 states to 1604 states and 2508 transitions. [2023-11-24 23:14:13,767 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 2508 transitions. [2023-11-24 23:14:13,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 779 [2023-11-24 23:14:13,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:14:13,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:14,230 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:14:15,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:14:15,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2537 states to 1626 states and 2537 transitions. [2023-11-24 23:14:15,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1626 states and 2537 transitions. [2023-11-24 23:14:15,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 780 [2023-11-24 23:14:15,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:14:15,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:15,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:15,869 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 23:14:16,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:14:16,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2547 states to 1631 states and 2547 transitions. [2023-11-24 23:14:16,246 INFO L276 IsEmpty]: Start isEmpty. Operand 1631 states and 2547 transitions. [2023-11-24 23:14:16,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 780 [2023-11-24 23:14:16,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:14:16,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:16,673 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 23:14:17,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:14:17,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2554 states to 1636 states and 2554 transitions. [2023-11-24 23:14:17,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 2554 transitions. [2023-11-24 23:14:17,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 781 [2023-11-24 23:14:17,044 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:14:17,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:17,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:17,564 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 23:14:18,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:14:18,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2567 states to 1646 states and 2567 transitions. [2023-11-24 23:14:18,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1646 states and 2567 transitions. [2023-11-24 23:14:18,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 781 [2023-11-24 23:14:18,244 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:14:18,245 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:18,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:18,706 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:14:19,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:14:19,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2579 states to 1655 states and 2579 transitions. [2023-11-24 23:14:19,175 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 2579 transitions. [2023-11-24 23:14:19,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 782 [2023-11-24 23:14:19,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:14:19,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:19,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat