./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label14.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_1601bff2-7f6f-4276-9d84-8065ead62ba8/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1601bff2-7f6f-4276-9d84-8065ead62ba8/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1601bff2-7f6f-4276-9d84-8065ead62ba8/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1601bff2-7f6f-4276-9d84-8065ead62ba8/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label14.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1601bff2-7f6f-4276-9d84-8065ead62ba8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1601bff2-7f6f-4276-9d84-8065ead62ba8/bin/ukojak-verify-Qdu7aM0XO9 --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 471d591bac756b3641e5eebd3ed64b220338148881b3c7fbab3f4295451226cd --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 23:16:01,436 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 23:16:01,500 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1601bff2-7f6f-4276-9d84-8065ead62ba8/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 23:16:01,504 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 23:16:01,504 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 23:16:01,527 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 23:16:01,528 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 23:16:01,528 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 23:16:01,529 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 23:16:01,530 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 23:16:01,530 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 23:16:01,531 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 23:16:01,531 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 23:16:01,532 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 23:16:01,532 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 23:16:01,533 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 23:16:01,533 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 23:16:01,534 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 23:16:01,534 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 23:16:01,534 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 23:16:01,535 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 23:16:01,536 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 23:16:01,536 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 23:16:01,537 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 23:16:01,537 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 23:16:01,538 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 23:16:01,538 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:16:01,538 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 23:16:01,539 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 23:16:01,539 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 23:16:01,540 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 23:16:01,540 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 23:16:01,540 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 23:16:01,541 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_1601bff2-7f6f-4276-9d84-8065ead62ba8/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1601bff2-7f6f-4276-9d84-8065ead62ba8/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 471d591bac756b3641e5eebd3ed64b220338148881b3c7fbab3f4295451226cd [2023-12-02 23:16:01,765 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 23:16:01,785 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 23:16:01,788 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 23:16:01,789 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 23:16:01,790 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 23:16:01,791 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1601bff2-7f6f-4276-9d84-8065ead62ba8/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/eca-rers2012/Problem02_label14.c [2023-12-02 23:16:04,540 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 23:16:04,799 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 23:16:04,800 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1601bff2-7f6f-4276-9d84-8065ead62ba8/sv-benchmarks/c/eca-rers2012/Problem02_label14.c [2023-12-02 23:16:04,814 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1601bff2-7f6f-4276-9d84-8065ead62ba8/bin/ukojak-verify-Qdu7aM0XO9/data/2d86ddb27/8723b5013a90461c8a7a1e6b24438d1f/FLAGd00478475 [2023-12-02 23:16:04,827 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1601bff2-7f6f-4276-9d84-8065ead62ba8/bin/ukojak-verify-Qdu7aM0XO9/data/2d86ddb27/8723b5013a90461c8a7a1e6b24438d1f [2023-12-02 23:16:04,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 23:16:04,830 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 23:16:04,832 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 23:16:04,832 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 23:16:04,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 23:16:04,836 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:16:04" (1/1) ... [2023-12-02 23:16:04,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34ff8a25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:04, skipping insertion in model container [2023-12-02 23:16:04,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 11:16:04" (1/1) ... [2023-12-02 23:16:04,888 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 23:16:05,151 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_1601bff2-7f6f-4276-9d84-8065ead62ba8/sv-benchmarks/c/eca-rers2012/Problem02_label14.c[18715,18728] [2023-12-02 23:16:05,180 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:16:05,193 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 23:16:05,276 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_1601bff2-7f6f-4276-9d84-8065ead62ba8/sv-benchmarks/c/eca-rers2012/Problem02_label14.c[18715,18728] [2023-12-02 23:16:05,287 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 23:16:05,300 INFO L206 MainTranslator]: Completed translation [2023-12-02 23:16:05,300 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:05 WrapperNode [2023-12-02 23:16:05,300 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 23:16:05,301 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 23:16:05,301 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 23:16:05,301 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 23:16:05,307 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:05" (1/1) ... [2023-12-02 23:16:05,326 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:05" (1/1) ... [2023-12-02 23:16:05,375 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 669 [2023-12-02 23:16:05,375 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 23:16:05,376 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 23:16:05,376 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 23:16:05,376 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 23:16:05,386 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:05" (1/1) ... [2023-12-02 23:16:05,387 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:05" (1/1) ... [2023-12-02 23:16:05,391 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:05" (1/1) ... [2023-12-02 23:16:05,392 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:05" (1/1) ... [2023-12-02 23:16:05,418 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:05" (1/1) ... [2023-12-02 23:16:05,428 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:05" (1/1) ... [2023-12-02 23:16:05,435 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:05" (1/1) ... [2023-12-02 23:16:05,440 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:05" (1/1) ... [2023-12-02 23:16:05,448 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 23:16:05,449 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 23:16:05,449 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 23:16:05,449 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 23:16:05,450 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 11:16:05" (1/1) ... [2023-12-02 23:16:05,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 23:16:05,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1601bff2-7f6f-4276-9d84-8065ead62ba8/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 23:16:05,478 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1601bff2-7f6f-4276-9d84-8065ead62ba8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 23:16:05,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1601bff2-7f6f-4276-9d84-8065ead62ba8/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 23:16:05,517 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 23:16:05,517 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 23:16:05,517 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 23:16:05,517 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 23:16:05,585 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 23:16:05,587 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 23:16:06,412 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 23:16:06,676 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 23:16:06,676 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 23:16:06,678 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:16:06 BoogieIcfgContainer [2023-12-02 23:16:06,678 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 23:16:06,679 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 23:16:06,679 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 23:16:06,687 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 23:16:06,687 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:16:06" (1/1) ... [2023-12-02 23:16:06,695 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 23:16:06,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:06,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2023-12-02 23:16:06,745 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2023-12-02 23:16:06,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-12-02 23:16:06,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:06,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:06,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:07,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:16:07,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:07,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 250 states to 163 states and 250 transitions. [2023-12-02 23:16:07,718 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 250 transitions. [2023-12-02 23:16:07,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-12-02 23:16:07,722 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:07,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:07,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:07,907 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:16:08,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:08,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 242 states and 332 transitions. [2023-12-02 23:16:08,623 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 332 transitions. [2023-12-02 23:16:08,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2023-12-02 23:16:08,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:08,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:08,731 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:16:08,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:08,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 251 states and 343 transitions. [2023-12-02 23:16:08,833 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 343 transitions. [2023-12-02 23:16:08,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-12-02 23:16:08,836 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:08,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:08,961 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:16:09,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:09,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 256 states and 348 transitions. [2023-12-02 23:16:09,016 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 348 transitions. [2023-12-02 23:16:09,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-02 23:16:09,018 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:09,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:09,108 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 23:16:09,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:09,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 270 states and 364 transitions. [2023-12-02 23:16:09,302 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 364 transitions. [2023-12-02 23:16:09,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-02 23:16:09,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:09,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:09,387 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:16:09,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:09,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 277 states and 371 transitions. [2023-12-02 23:16:09,465 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 371 transitions. [2023-12-02 23:16:09,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2023-12-02 23:16:09,466 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:09,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:09,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:09,555 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:16:09,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:09,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 283 states and 377 transitions. [2023-12-02 23:16:09,615 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 377 transitions. [2023-12-02 23:16:09,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-12-02 23:16:09,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:09,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:09,723 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:16:10,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:10,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 307 states and 404 transitions. [2023-12-02 23:16:10,007 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 404 transitions. [2023-12-02 23:16:10,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2023-12-02 23:16:10,010 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:10,010 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:10,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:10,115 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:16:10,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:10,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 386 states and 502 transitions. [2023-12-02 23:16:10,842 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 502 transitions. [2023-12-02 23:16:10,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2023-12-02 23:16:10,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:10,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:10,910 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:16:11,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:11,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 410 states and 529 transitions. [2023-12-02 23:16:11,159 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 529 transitions. [2023-12-02 23:16:11,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-02 23:16:11,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:11,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:11,219 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 23:16:11,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:11,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 413 states and 534 transitions. [2023-12-02 23:16:11,401 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 534 transitions. [2023-12-02 23:16:11,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2023-12-02 23:16:11,402 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:11,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:11,462 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-12-02 23:16:11,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:11,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 422 states and 544 transitions. [2023-12-02 23:16:11,601 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 544 transitions. [2023-12-02 23:16:11,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-02 23:16:11,602 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:11,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:11,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:11,696 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 23:16:11,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:11,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 440 states and 565 transitions. [2023-12-02 23:16:11,889 INFO L276 IsEmpty]: Start isEmpty. Operand 440 states and 565 transitions. [2023-12-02 23:16:11,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2023-12-02 23:16:11,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:11,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:11,959 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 23:16:12,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:12,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 443 states and 568 transitions. [2023-12-02 23:16:12,005 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 568 transitions. [2023-12-02 23:16:12,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2023-12-02 23:16:12,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:12,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:12,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:12,286 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 47 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:16:13,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:13,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 487 states and 619 transitions. [2023-12-02 23:16:13,336 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 619 transitions. [2023-12-02 23:16:13,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-12-02 23:16:13,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:13,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:13,486 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:16:14,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:14,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 566 states and 704 transitions. [2023-12-02 23:16:14,308 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 704 transitions. [2023-12-02 23:16:14,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 23:16:14,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:14,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:14,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:14,481 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-12-02 23:16:14,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:14,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 590 states and 733 transitions. [2023-12-02 23:16:14,873 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 733 transitions. [2023-12-02 23:16:14,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-12-02 23:16:14,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:14,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:14,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:14,955 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 23:16:15,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:15,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 611 states and 757 transitions. [2023-12-02 23:16:15,523 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 757 transitions. [2023-12-02 23:16:15,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2023-12-02 23:16:15,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:15,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:15,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:15,869 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 56 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:16:16,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:16,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 658 states and 815 transitions. [2023-12-02 23:16:16,657 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 815 transitions. [2023-12-02 23:16:16,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-12-02 23:16:16,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:16,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:16,754 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2023-12-02 23:16:16,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:16,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 661 states and 820 transitions. [2023-12-02 23:16:16,964 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 820 transitions. [2023-12-02 23:16:16,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-12-02 23:16:16,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:16,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:17,061 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-12-02 23:16:17,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:17,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 665 states and 826 transitions. [2023-12-02 23:16:17,568 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 826 transitions. [2023-12-02 23:16:17,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-12-02 23:16:17,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:17,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:17,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:17,648 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-02 23:16:18,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:18,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 848 states to 680 states and 848 transitions. [2023-12-02 23:16:18,525 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 848 transitions. [2023-12-02 23:16:18,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-12-02 23:16:18,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:18,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:18,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:18,654 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2023-12-02 23:16:19,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:19,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 691 states and 859 transitions. [2023-12-02 23:16:19,130 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 859 transitions. [2023-12-02 23:16:19,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-12-02 23:16:19,132 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:19,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:19,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:19,208 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-12-02 23:16:19,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:19,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 721 states and 893 transitions. [2023-12-02 23:16:19,980 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 893 transitions. [2023-12-02 23:16:19,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-12-02 23:16:19,982 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:19,983 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:20,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:20,069 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2023-12-02 23:16:20,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:20,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 755 states and 930 transitions. [2023-12-02 23:16:20,293 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 930 transitions. [2023-12-02 23:16:20,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-02 23:16:20,295 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:20,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:20,379 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-12-02 23:16:20,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:20,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 774 states and 951 transitions. [2023-12-02 23:16:20,669 INFO L276 IsEmpty]: Start isEmpty. Operand 774 states and 951 transitions. [2023-12-02 23:16:20,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-12-02 23:16:20,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:20,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:21,066 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 74 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2023-12-02 23:16:21,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:21,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 822 states and 1006 transitions. [2023-12-02 23:16:21,886 INFO L276 IsEmpty]: Start isEmpty. Operand 822 states and 1006 transitions. [2023-12-02 23:16:21,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-12-02 23:16:21,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:21,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:21,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:22,211 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 69 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:16:23,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:23,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1075 states to 887 states and 1075 transitions. [2023-12-02 23:16:23,015 INFO L276 IsEmpty]: Start isEmpty. Operand 887 states and 1075 transitions. [2023-12-02 23:16:23,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-02 23:16:23,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:23,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:23,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:23,395 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 23:16:24,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:24,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 998 states and 1193 transitions. [2023-12-02 23:16:24,725 INFO L276 IsEmpty]: Start isEmpty. Operand 998 states and 1193 transitions. [2023-12-02 23:16:24,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-12-02 23:16:24,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:24,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:24,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:24,790 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-12-02 23:16:25,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:25,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 1006 states and 1204 transitions. [2023-12-02 23:16:25,058 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1204 transitions. [2023-12-02 23:16:25,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-02 23:16:25,059 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:25,060 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:25,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:25,142 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2023-12-02 23:16:25,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:25,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1008 states and 1210 transitions. [2023-12-02 23:16:25,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1210 transitions. [2023-12-02 23:16:25,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-12-02 23:16:25,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:25,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:25,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:25,528 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-12-02 23:16:25,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:25,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1009 states and 1210 transitions. [2023-12-02 23:16:25,696 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1210 transitions. [2023-12-02 23:16:25,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-12-02 23:16:25,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:25,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:25,801 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-12-02 23:16:25,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:25,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1010 states and 1210 transitions. [2023-12-02 23:16:25,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1210 transitions. [2023-12-02 23:16:25,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2023-12-02 23:16:25,869 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 23:16:25,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 23:16:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 23:16:25,977 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2023-12-02 23:16:26,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 23:16:26,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 929 states and 1116 transitions. [2023-12-02 23:16:26,062 INFO L276 IsEmpty]: Start isEmpty. Operand 929 states and 1116 transitions. [2023-12-02 23:16:26,063 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 23:16:26,063 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 35 iterations. [2023-12-02 23:16:26,072 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-02 23:16:29,891 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2023-12-02 23:16:29,899 INFO L560 CodeCheckObserver]: Invariant with dag size 22 [2023-12-02 23:16:29,900 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 23:16:29,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 11:16:29 ImpRootNode [2023-12-02 23:16:29,900 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 23:16:29,901 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 23:16:29,901 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 23:16:29,901 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 23:16:29,902 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 11:16:06" (3/4) ... [2023-12-02 23:16:29,904 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 23:16:29,923 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 129 nodes and edges [2023-12-02 23:16:29,925 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-12-02 23:16:29,926 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-02 23:16:29,928 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 23:16:30,098 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1601bff2-7f6f-4276-9d84-8065ead62ba8/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 23:16:30,098 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1601bff2-7f6f-4276-9d84-8065ead62ba8/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 23:16:30,099 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 23:16:30,099 INFO L158 Benchmark]: Toolchain (without parser) took 25268.68ms. Allocated memory was 176.2MB in the beginning and 478.2MB in the end (delta: 302.0MB). Free memory was 131.4MB in the beginning and 368.6MB in the end (delta: -237.2MB). Peak memory consumption was 67.8MB. Max. memory is 16.1GB. [2023-12-02 23:16:30,100 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 109.1MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 23:16:30,100 INFO L158 Benchmark]: CACSL2BoogieTranslator took 468.81ms. Allocated memory is still 176.2MB. Free memory was 131.4MB in the beginning and 104.1MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-02 23:16:30,100 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.33ms. Allocated memory is still 176.2MB. Free memory was 104.1MB in the beginning and 98.8MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 23:16:30,101 INFO L158 Benchmark]: Boogie Preprocessor took 71.78ms. Allocated memory is still 176.2MB. Free memory was 98.8MB in the beginning and 94.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 23:16:30,101 INFO L158 Benchmark]: RCFGBuilder took 1229.84ms. Allocated memory was 176.2MB in the beginning and 228.6MB in the end (delta: 52.4MB). Free memory was 94.6MB in the beginning and 179.0MB in the end (delta: -84.4MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. [2023-12-02 23:16:30,101 INFO L158 Benchmark]: CodeCheck took 23221.11ms. Allocated memory was 228.6MB in the beginning and 478.2MB in the end (delta: 249.6MB). Free memory was 179.0MB in the beginning and 381.2MB in the end (delta: -202.2MB). Peak memory consumption was 275.1MB. Max. memory is 16.1GB. [2023-12-02 23:16:30,102 INFO L158 Benchmark]: Witness Printer took 197.76ms. Allocated memory is still 478.2MB. Free memory was 381.2MB in the beginning and 368.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 23:16:30,104 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: 19.4s, 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, 100.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 35430 mSDsluCounter, 6337 SdHoareTripleChecker+Invalid, 83.5s 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, 1.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32346 GetRequests, 31554 SyntacticMatches, 546 SemanticMatches, 246 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28747 ImplicationChecksByTransitivity, 8.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.9s 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: 533]: 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 0.23ms. Allocated memory is still 109.1MB. Free memory is still 62.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 468.81ms. Allocated memory is still 176.2MB. Free memory was 131.4MB in the beginning and 104.1MB in the end (delta: 27.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.33ms. Allocated memory is still 176.2MB. Free memory was 104.1MB in the beginning and 98.8MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.78ms. Allocated memory is still 176.2MB. Free memory was 98.8MB in the beginning and 94.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1229.84ms. Allocated memory was 176.2MB in the beginning and 228.6MB in the end (delta: 52.4MB). Free memory was 94.6MB in the beginning and 179.0MB in the end (delta: -84.4MB). Peak memory consumption was 52.9MB. Max. memory is 16.1GB. * CodeCheck took 23221.11ms. Allocated memory was 228.6MB in the beginning and 478.2MB in the end (delta: 249.6MB). Free memory was 179.0MB in the beginning and 381.2MB in the end (delta: -202.2MB). Peak memory consumption was 275.1MB. Max. memory is 16.1GB. * Witness Printer took 197.76ms. Allocated memory is still 478.2MB. Free memory was 381.2MB in the beginning and 368.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 23:16:30,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1601bff2-7f6f-4276-9d84-8065ead62ba8/bin/ukojak-verify-Qdu7aM0XO9/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