./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label04.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_539ccbb9-e3ce-4a6a-bd7e-ddbe7871e3b5/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ccbb9-e3ce-4a6a-bd7e-ddbe7871e3b5/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_539ccbb9-e3ce-4a6a-bd7e-ddbe7871e3b5/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ccbb9-e3ce-4a6a-bd7e-ddbe7871e3b5/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ccbb9-e3ce-4a6a-bd7e-ddbe7871e3b5/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_539ccbb9-e3ce-4a6a-bd7e-ddbe7871e3b5/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 dfc7a2daf16de8ab0ea0e11c62b30033c40981748d5071b1cd9dbc5bcc0c3347 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:07:02,778 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:07:02,898 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ccbb9-e3ce-4a6a-bd7e-ddbe7871e3b5/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:07:02,904 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:07:02,905 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:07:02,931 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:07:02,932 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:07:02,933 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:07:02,934 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:07:02,934 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:07:02,935 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:07:02,936 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:07:02,937 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:07:02,937 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:07:02,938 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:07:02,939 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:07:02,939 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:07:02,940 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:07:02,940 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:07:02,941 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:07:02,942 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:07:02,942 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:07:02,943 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:07:02,944 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:07:02,944 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:07:02,945 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:07:02,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:07:02,946 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:07:02,947 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:07:02,947 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:07:02,948 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:07:02,948 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:07:02,949 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:07:02,950 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_539ccbb9-e3ce-4a6a-bd7e-ddbe7871e3b5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ccbb9-e3ce-4a6a-bd7e-ddbe7871e3b5/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dfc7a2daf16de8ab0ea0e11c62b30033c40981748d5071b1cd9dbc5bcc0c3347 [2023-11-24 23:07:03,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:07:03,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:07:03,244 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:07:03,247 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:07:03,248 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:07:03,249 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ccbb9-e3ce-4a6a-bd7e-ddbe7871e3b5/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/eca-rers2012/Problem02_label04.c [2023-11-24 23:07:06,441 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:07:06,826 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:07:06,827 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ccbb9-e3ce-4a6a-bd7e-ddbe7871e3b5/sv-benchmarks/c/eca-rers2012/Problem02_label04.c [2023-11-24 23:07:06,849 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ccbb9-e3ce-4a6a-bd7e-ddbe7871e3b5/bin/ukojak-verify-afCqCEvfdi/data/a00216534/42d3161250284c9fad2d78eaac7885b4/FLAGee1de32df [2023-11-24 23:07:06,863 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ccbb9-e3ce-4a6a-bd7e-ddbe7871e3b5/bin/ukojak-verify-afCqCEvfdi/data/a00216534/42d3161250284c9fad2d78eaac7885b4 [2023-11-24 23:07:06,866 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:07:06,868 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:07:06,869 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:07:06,869 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:07:06,874 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:07:06,875 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:07:06" (1/1) ... [2023-11-24 23:07:06,876 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@379b7d03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:06, skipping insertion in model container [2023-11-24 23:07:06,877 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:07:06" (1/1) ... [2023-11-24 23:07:06,954 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:07:07,303 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_539ccbb9-e3ce-4a6a-bd7e-ddbe7871e3b5/sv-benchmarks/c/eca-rers2012/Problem02_label04.c[17470,17483] [2023-11-24 23:07:07,336 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:07:07,348 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:07:07,494 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_539ccbb9-e3ce-4a6a-bd7e-ddbe7871e3b5/sv-benchmarks/c/eca-rers2012/Problem02_label04.c[17470,17483] [2023-11-24 23:07:07,528 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:07:07,565 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:07:07,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:07 WrapperNode [2023-11-24 23:07:07,566 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:07:07,568 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:07:07,568 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:07:07,568 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:07:07,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:07" (1/1) ... [2023-11-24 23:07:07,599 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:07" (1/1) ... [2023-11-24 23:07:07,656 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 669 [2023-11-24 23:07:07,665 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:07:07,667 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:07:07,667 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:07:07,668 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:07:07,678 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:07" (1/1) ... [2023-11-24 23:07:07,679 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:07" (1/1) ... [2023-11-24 23:07:07,694 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:07" (1/1) ... [2023-11-24 23:07:07,694 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:07" (1/1) ... [2023-11-24 23:07:07,722 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:07" (1/1) ... [2023-11-24 23:07:07,732 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:07" (1/1) ... [2023-11-24 23:07:07,739 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:07" (1/1) ... [2023-11-24 23:07:07,757 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:07" (1/1) ... [2023-11-24 23:07:07,765 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:07:07,767 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:07:07,767 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:07:07,768 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:07:07,769 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:07:07" (1/1) ... [2023-11-24 23:07:07,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:07:07,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ccbb9-e3ce-4a6a-bd7e-ddbe7871e3b5/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:07:07,802 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ccbb9-e3ce-4a6a-bd7e-ddbe7871e3b5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:07:07,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ccbb9-e3ce-4a6a-bd7e-ddbe7871e3b5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:07:07,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:07:07,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:07:07,853 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:07:07,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:07:07,960 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:07:07,963 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:07:09,312 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:07:09,663 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:07:09,663 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:07:09,665 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:09 BoogieIcfgContainer [2023-11-24 23:07:09,666 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:07:09,667 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:07:09,667 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:07:09,678 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:07:09,679 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:09" (1/1) ... [2023-11-24 23:07:09,690 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:07:09,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:09,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2023-11-24 23:07:09,759 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2023-11-24 23:07:09,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-24 23:07:09,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:09,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:10,403 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 23:07:11,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:11,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 163 states and 250 transitions. [2023-11-24 23:07:11,097 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 250 transitions. [2023-11-24 23:07:11,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-24 23:07:11,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:11,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:11,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:11,386 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 23:07:12,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:12,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 242 states and 332 transitions. [2023-11-24 23:07:12,223 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 332 transitions. [2023-11-24 23:07:12,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-11-24 23:07:12,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:12,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:12,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:12,349 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 23:07:12,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:12,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 251 states and 343 transitions. [2023-11-24 23:07:12,512 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 343 transitions. [2023-11-24 23:07:12,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-24 23:07:12,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:12,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:12,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:12,627 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 23:07:12,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:12,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 256 states and 348 transitions. [2023-11-24 23:07:12,705 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 348 transitions. [2023-11-24 23:07:12,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-24 23:07:12,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:12,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:12,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:12,814 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-24 23:07:13,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:13,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 270 states and 364 transitions. [2023-11-24 23:07:13,048 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 364 transitions. [2023-11-24 23:07:13,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-24 23:07:13,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:13,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:13,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:13,167 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 23:07:13,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:13,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 277 states and 371 transitions. [2023-11-24 23:07:13,256 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 371 transitions. [2023-11-24 23:07:13,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-11-24 23:07:13,257 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:13,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:13,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:13,351 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:07:13,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:13,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 283 states and 377 transitions. [2023-11-24 23:07:13,423 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 377 transitions. [2023-11-24 23:07:13,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-24 23:07:13,427 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:13,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:13,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:13,579 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:07:13,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:13,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 307 states and 404 transitions. [2023-11-24 23:07:13,912 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 404 transitions. [2023-11-24 23:07:13,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-11-24 23:07:13,918 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:13,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:13,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:14,095 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:07:14,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:14,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 386 states and 502 transitions. [2023-11-24 23:07:14,922 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 502 transitions. [2023-11-24 23:07:14,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-11-24 23:07:14,924 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:14,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:14,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:15,026 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:07:15,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:15,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 410 states and 529 transitions. [2023-11-24 23:07:15,397 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 529 transitions. [2023-11-24 23:07:15,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-24 23:07:15,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:15,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:15,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:15,498 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 23:07:15,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:15,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 413 states and 534 transitions. [2023-11-24 23:07:15,726 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 534 transitions. [2023-11-24 23:07:15,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-11-24 23:07:15,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:15,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:15,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:15,822 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-24 23:07:16,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:16,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 422 states and 544 transitions. [2023-11-24 23:07:16,007 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 544 transitions. [2023-11-24 23:07:16,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-24 23:07:16,009 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:16,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:16,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:16,175 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-24 23:07:16,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:16,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 440 states and 565 transitions. [2023-11-24 23:07:16,467 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 565 transitions. [2023-11-24 23:07:16,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-11-24 23:07:16,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:16,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:16,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:16,581 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:07:16,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:16,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 443 states and 568 transitions. [2023-11-24 23:07:16,649 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 568 transitions. [2023-11-24 23:07:16,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-11-24 23:07:16,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:16,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:16,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:17,064 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 47 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:07:18,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:18,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 487 states and 619 transitions. [2023-11-24 23:07:18,328 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 619 transitions. [2023-11-24 23:07:18,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-24 23:07:18,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:18,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:18,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:18,516 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:07:19,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:19,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 566 states and 704 transitions. [2023-11-24 23:07:19,415 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 704 transitions. [2023-11-24 23:07:19,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-24 23:07:19,417 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:19,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:19,590 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-24 23:07:20,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:20,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 590 states and 733 transitions. [2023-11-24 23:07:20,109 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 733 transitions. [2023-11-24 23:07:20,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-11-24 23:07:20,112 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:20,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:20,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:20,238 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-24 23:07:20,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:20,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 611 states and 757 transitions. [2023-11-24 23:07:20,960 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 757 transitions. [2023-11-24 23:07:20,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-11-24 23:07:20,962 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:20,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:20,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:21,346 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 56 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:07:22,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:22,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 658 states and 815 transitions. [2023-11-24 23:07:22,303 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 815 transitions. [2023-11-24 23:07:22,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-24 23:07:22,305 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:22,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:22,428 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-11-24 23:07:22,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:22,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 661 states and 820 transitions. [2023-11-24 23:07:22,675 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 820 transitions. [2023-11-24 23:07:22,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-24 23:07:22,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:22,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:22,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:22,804 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-24 23:07:23,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:23,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 665 states and 826 transitions. [2023-11-24 23:07:23,410 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 826 transitions. [2023-11-24 23:07:23,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-24 23:07:23,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:23,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:23,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:23,509 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-24 23:07:24,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:24,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 680 states and 848 transitions. [2023-11-24 23:07:24,709 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 848 transitions. [2023-11-24 23:07:24,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-24 23:07:24,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:24,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:24,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:24,824 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-11-24 23:07:25,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:25,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 691 states and 859 transitions. [2023-11-24 23:07:25,396 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 859 transitions. [2023-11-24 23:07:25,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-11-24 23:07:25,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:25,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:25,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:25,484 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 23:07:26,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:26,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 721 states and 893 transitions. [2023-11-24 23:07:26,431 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 893 transitions. [2023-11-24 23:07:26,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-11-24 23:07:26,433 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:26,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:26,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:26,522 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-11-24 23:07:26,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:26,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 755 states and 930 transitions. [2023-11-24 23:07:26,815 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 930 transitions. [2023-11-24 23:07:26,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-24 23:07:26,817 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:26,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:26,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:26,933 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-24 23:07:27,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:27,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 774 states and 951 transitions. [2023-11-24 23:07:27,389 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 951 transitions. [2023-11-24 23:07:27,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-24 23:07:27,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:27,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:27,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:27,928 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 74 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-11-24 23:07:29,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:29,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 822 states and 1006 transitions. [2023-11-24 23:07:29,081 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1006 transitions. [2023-11-24 23:07:29,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-11-24 23:07:29,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:29,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:29,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:29,447 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 69 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:07:30,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:30,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 887 states and 1075 transitions. [2023-11-24 23:07:30,694 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1075 transitions. [2023-11-24 23:07:30,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-24 23:07:30,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:30,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:31,224 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:07:33,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:33,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 998 states and 1193 transitions. [2023-11-24 23:07:33,081 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1193 transitions. [2023-11-24 23:07:33,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-24 23:07:33,084 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:33,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:33,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:33,186 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-24 23:07:33,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:33,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1006 states and 1204 transitions. [2023-11-24 23:07:33,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1204 transitions. [2023-11-24 23:07:33,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-24 23:07:33,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:33,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:33,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:33,644 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-11-24 23:07:33,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:33,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1008 states and 1210 transitions. [2023-11-24 23:07:33,994 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1210 transitions. [2023-11-24 23:07:33,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-24 23:07:33,996 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:33,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:34,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:34,186 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-11-24 23:07:34,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:34,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1009 states and 1210 transitions. [2023-11-24 23:07:34,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1210 transitions. [2023-11-24 23:07:34,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-24 23:07:34,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:34,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:34,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:34,532 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-11-24 23:07:34,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:34,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1010 states and 1210 transitions. [2023-11-24 23:07:34,623 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1210 transitions. [2023-11-24 23:07:34,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-11-24 23:07:34,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:07:34,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:07:34,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:07:34,770 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-11-24 23:07:34,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:07:34,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 929 states and 1116 transitions. [2023-11-24 23:07:34,861 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1116 transitions. [2023-11-24 23:07:34,863 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 23:07:34,863 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 35 iterations. [2023-11-24 23:07:34,875 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-24 23:07:40,109 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2023-11-24 23:07:40,118 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2023-11-24 23:07:40,119 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 23:07:40,120 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:07:40 ImpRootNode [2023-11-24 23:07:40,120 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:07:40,121 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:07:40,121 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:07:40,121 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:07:40,122 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:07:09" (3/4) ... [2023-11-24 23:07:40,124 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 23:07:40,146 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 129 nodes and edges [2023-11-24 23:07:40,147 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-24 23:07:40,149 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-24 23:07:40,151 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 23:07:40,336 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ccbb9-e3ce-4a6a-bd7e-ddbe7871e3b5/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 23:07:40,337 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ccbb9-e3ce-4a6a-bd7e-ddbe7871e3b5/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 23:07:40,337 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:07:40,338 INFO L158 Benchmark]: Toolchain (without parser) took 33469.76ms. Allocated memory was 199.2MB in the beginning and 524.3MB in the end (delta: 325.1MB). Free memory was 153.5MB in the beginning and 188.9MB in the end (delta: -35.4MB). Peak memory consumption was 292.3MB. Max. memory is 16.1GB. [2023-11-24 23:07:40,338 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 146.8MB. Free memory is still 91.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:07:40,338 INFO L158 Benchmark]: CACSL2BoogieTranslator took 697.53ms. Allocated memory is still 199.2MB. Free memory was 153.5MB in the beginning and 126.3MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-11-24 23:07:40,339 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.39ms. Allocated memory is still 199.2MB. Free memory was 126.3MB in the beginning and 120.8MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 23:07:40,339 INFO L158 Benchmark]: Boogie Preprocessor took 99.17ms. Allocated memory is still 199.2MB. Free memory was 120.8MB in the beginning and 115.8MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:07:40,340 INFO L158 Benchmark]: RCFGBuilder took 1899.01ms. Allocated memory is still 199.2MB. Free memory was 115.8MB in the beginning and 79.7MB in the end (delta: 36.1MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-11-24 23:07:40,340 INFO L158 Benchmark]: CodeCheck took 30453.72ms. Allocated memory was 199.2MB in the beginning and 524.3MB in the end (delta: 325.1MB). Free memory was 79.7MB in the beginning and 202.6MB in the end (delta: -122.8MB). Peak memory consumption was 202.1MB. Max. memory is 16.1GB. [2023-11-24 23:07:40,341 INFO L158 Benchmark]: Witness Printer took 216.00ms. Allocated memory is still 524.3MB. Free memory was 202.6MB in the beginning and 188.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:07:40,343 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 25.2s, OverallIterations: 35, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 35728 SdHoareTripleChecker+Valid, 118.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35430 mSDsluCounter, 6337 SdHoareTripleChecker+Invalid, 98.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5347 mSDsCounter, 16188 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 84575 IncrementalHoareTripleChecker+Invalid, 100763 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16188 mSolverCounterUnsat, 990 mSDtfsCounter, 84575 mSolverCounterSat, 1.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32346 GetRequests, 31554 SyntacticMatches, 546 SemanticMatches, 246 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28747 ImplicationChecksByTransitivity, 10.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.3s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.1s InterpolantComputationTime, 4446 NumberOfCodeBlocks, 4446 NumberOfCodeBlocksAsserted, 34 NumberOfCheckSat, 4412 ConstructedInterpolants, 0 QuantifiedInterpolants, 11955 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 34 InterpolantComputations, 29 PerfectInterpolantSequences, 2117/2165 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 500]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 39]: Loop Invariant Derived loop invariant: (((((10 <= a28) || (a25 == 1)) || ((((a17 == 8) && (a21 == 1)) && (a19 == 1)) && (a28 == 9))) || !((a11 == 1))) || (a28 <= 7)) - InvariantResult [Line: 616]: Loop Invariant Derived loop invariant: (((((10 <= a28) || (a25 == 1)) || ((((a17 == 8) && (a21 == 1)) && (a19 == 1)) && (a28 == 9))) || !((a11 == 1))) || (a28 <= 7)) - InvariantResult [Line: 610]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 146.8MB. Free memory is still 91.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 697.53ms. Allocated memory is still 199.2MB. Free memory was 153.5MB in the beginning and 126.3MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.39ms. Allocated memory is still 199.2MB. Free memory was 126.3MB in the beginning and 120.8MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.17ms. Allocated memory is still 199.2MB. Free memory was 120.8MB in the beginning and 115.8MB in the end (delta: 5.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1899.01ms. Allocated memory is still 199.2MB. Free memory was 115.8MB in the beginning and 79.7MB in the end (delta: 36.1MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * CodeCheck took 30453.72ms. Allocated memory was 199.2MB in the beginning and 524.3MB in the end (delta: 325.1MB). Free memory was 79.7MB in the beginning and 202.6MB in the end (delta: -122.8MB). Peak memory consumption was 202.1MB. Max. memory is 16.1GB. * Witness Printer took 216.00ms. Allocated memory is still 524.3MB. Free memory was 202.6MB in the beginning and 188.9MB in the end (delta: 13.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 23:07:40,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_539ccbb9-e3ce-4a6a-bd7e-ddbe7871e3b5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE