./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd0ec8f-2426-4a88-80cb-efe67a693ffd/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd0ec8f-2426-4a88-80cb-efe67a693ffd/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_bdd0ec8f-2426-4a88-80cb-efe67a693ffd/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd0ec8f-2426-4a88-80cb-efe67a693ffd/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd0ec8f-2426-4a88-80cb-efe67a693ffd/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_bdd0ec8f-2426-4a88-80cb-efe67a693ffd/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 f68564f44f9631930b25a13255f1efcd8f237d0da80cb5fdaa485133dbd9dd9f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:35:47,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:35:47,715 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd0ec8f-2426-4a88-80cb-efe67a693ffd/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:35:47,720 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:35:47,721 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:35:47,743 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:35:47,744 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:35:47,745 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:35:47,746 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:35:47,746 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:35:47,747 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:35:47,747 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:35:47,748 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:35:47,748 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:35:47,749 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:35:47,749 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:35:47,750 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:35:47,750 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:35:47,751 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:35:47,751 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:35:47,752 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:35:47,753 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:35:47,753 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:35:47,753 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:35:47,754 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:35:47,754 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:35:47,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:35:47,755 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:35:47,756 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:35:47,756 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:35:47,756 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:35:47,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:35:47,757 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:35:47,757 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_bdd0ec8f-2426-4a88-80cb-efe67a693ffd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd0ec8f-2426-4a88-80cb-efe67a693ffd/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f68564f44f9631930b25a13255f1efcd8f237d0da80cb5fdaa485133dbd9dd9f [2023-12-02 21:35:47,982 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:35:48,000 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:35:48,003 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:35:48,004 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:35:48,004 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:35:48,006 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd0ec8f-2426-4a88-80cb-efe67a693ffd/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c [2023-12-02 21:35:50,706 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:35:50,932 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:35:50,932 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd0ec8f-2426-4a88-80cb-efe67a693ffd/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c [2023-12-02 21:35:50,951 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd0ec8f-2426-4a88-80cb-efe67a693ffd/bin/ukojak-verify-Qdu7aM0XO9/data/620f07a47/09e9a6b08a6c4f6ba50969b5b85b6be9/FLAGfae017481 [2023-12-02 21:35:50,963 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd0ec8f-2426-4a88-80cb-efe67a693ffd/bin/ukojak-verify-Qdu7aM0XO9/data/620f07a47/09e9a6b08a6c4f6ba50969b5b85b6be9 [2023-12-02 21:35:50,965 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:35:50,966 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:35:50,967 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:35:50,967 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:35:50,970 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:35:50,971 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:35:50" (1/1) ... [2023-12-02 21:35:50,972 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ec1a510 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:50, skipping insertion in model container [2023-12-02 21:35:50,972 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:35:50" (1/1) ... [2023-12-02 21:35:51,045 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:35:51,410 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_bdd0ec8f-2426-4a88-80cb-efe67a693ffd/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c[34383,34396] [2023-12-02 21:35:51,443 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_bdd0ec8f-2426-4a88-80cb-efe67a693ffd/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c[39106,39119] [2023-12-02 21:35:51,461 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:35:51,472 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:35:51,580 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_bdd0ec8f-2426-4a88-80cb-efe67a693ffd/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c[34383,34396] [2023-12-02 21:35:51,595 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_bdd0ec8f-2426-4a88-80cb-efe67a693ffd/sv-benchmarks/c/loop-invgen/id_build.i.p+sep-reducer.c[39106,39119] [2023-12-02 21:35:51,603 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:35:51,614 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:35:51,614 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:51 WrapperNode [2023-12-02 21:35:51,614 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:35:51,615 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:35:51,615 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:35:51,615 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:35:51,621 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:51" (1/1) ... [2023-12-02 21:35:51,642 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:51" (1/1) ... [2023-12-02 21:35:51,705 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1589 [2023-12-02 21:35:51,706 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:35:51,707 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:35:51,707 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:35:51,707 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:35:51,717 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:51" (1/1) ... [2023-12-02 21:35:51,717 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:51" (1/1) ... [2023-12-02 21:35:51,723 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:51" (1/1) ... [2023-12-02 21:35:51,723 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:51" (1/1) ... [2023-12-02 21:35:51,747 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:51" (1/1) ... [2023-12-02 21:35:51,758 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:51" (1/1) ... [2023-12-02 21:35:51,764 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:51" (1/1) ... [2023-12-02 21:35:51,770 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:51" (1/1) ... [2023-12-02 21:35:51,781 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:35:51,782 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:35:51,782 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:35:51,782 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:35:51,783 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:35:51" (1/1) ... [2023-12-02 21:35:51,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:35:51,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd0ec8f-2426-4a88-80cb-efe67a693ffd/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:35:51,817 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd0ec8f-2426-4a88-80cb-efe67a693ffd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:35:51,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd0ec8f-2426-4a88-80cb-efe67a693ffd/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:35:51,854 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:35:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:35:51,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:35:51,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:35:51,991 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:35:51,993 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:35:52,880 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:35:52,912 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:35:52,912 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 21:35:52,914 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:35:52 BoogieIcfgContainer [2023-12-02 21:35:52,914 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:35:52,915 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:35:52,915 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:35:52,925 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:35:52,925 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:35:52" (1/1) ... [2023-12-02 21:35:52,934 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:35:52,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:52,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 245 states and 480 transitions. [2023-12-02 21:35:52,996 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 480 transitions. [2023-12-02 21:35:53,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-12-02 21:35:53,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:53,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:35:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:53,722 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 21:35:54,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:54,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 247 states and 481 transitions. [2023-12-02 21:35:54,372 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 481 transitions. [2023-12-02 21:35:54,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-12-02 21:35:54,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:54,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:35:54,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:54,710 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 21:35:55,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:55,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 250 states and 484 transitions. [2023-12-02 21:35:55,377 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 484 transitions. [2023-12-02 21:35:55,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-12-02 21:35:55,380 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:55,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:35:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:55,639 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 21:35:56,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:56,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 253 states and 489 transitions. [2023-12-02 21:35:56,081 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 489 transitions. [2023-12-02 21:35:56,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-12-02 21:35:56,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:56,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:35:56,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:56,352 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 21:35:56,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:56,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 255 states and 491 transitions. [2023-12-02 21:35:56,976 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 491 transitions. [2023-12-02 21:35:56,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-12-02 21:35:56,978 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:56,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:35:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:57,583 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:35:59,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:59,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 361 states and 735 transitions. [2023-12-02 21:35:59,307 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 735 transitions. [2023-12-02 21:35:59,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-12-02 21:35:59,310 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:59,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:35:59,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:59,530 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:35:59,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:35:59,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 360 states and 733 transitions. [2023-12-02 21:35:59,744 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 733 transitions. [2023-12-02 21:35:59,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-12-02 21:35:59,746 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:35:59,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:35:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:35:59,960 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-12-02 21:36:00,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:00,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 353 states and 724 transitions. [2023-12-02 21:36:00,250 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 724 transitions. [2023-12-02 21:36:00,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-12-02 21:36:00,251 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:00,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:36:00,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:01,878 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:36:08,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:08,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 380 states and 785 transitions. [2023-12-02 21:36:08,238 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 785 transitions. [2023-12-02 21:36:08,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-02 21:36:08,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:08,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:36:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:09,185 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:36:11,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:11,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 328 states and 671 transitions. [2023-12-02 21:36:11,840 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 671 transitions. [2023-12-02 21:36:11,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-02 21:36:11,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:11,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:36:11,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:12,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:36:14,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:14,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 276 states and 557 transitions. [2023-12-02 21:36:14,689 INFO L276 IsEmpty]: Start isEmpty. Operand 276 states and 557 transitions. [2023-12-02 21:36:14,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-02 21:36:14,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:14,690 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:36:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:14,854 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:36:17,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:17,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 199 states and 384 transitions. [2023-12-02 21:36:17,754 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 384 transitions. [2023-12-02 21:36:17,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-02 21:36:17,755 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:17,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:36:17,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:17,990 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-12-02 21:36:21,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:21,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 149 states and 275 transitions. [2023-12-02 21:36:21,126 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 275 transitions. [2023-12-02 21:36:21,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-12-02 21:36:21,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:21,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:36:21,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:21,347 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-02 21:36:25,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:25,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 151 states and 277 transitions. [2023-12-02 21:36:25,796 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 277 transitions. [2023-12-02 21:36:25,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-02 21:36:25,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:25,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:36:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:25,993 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:36:28,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:28,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 157 states and 288 transitions. [2023-12-02 21:36:28,331 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 288 transitions. [2023-12-02 21:36:28,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2023-12-02 21:36:28,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:28,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:36:28,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:28,580 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 16 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:36:32,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:32,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 166 states and 300 transitions. [2023-12-02 21:36:32,196 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 300 transitions. [2023-12-02 21:36:32,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2023-12-02 21:36:32,196 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:32,196 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:36:32,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:32,559 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 22 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:36:36,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:36,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 175 states and 311 transitions. [2023-12-02 21:36:36,220 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 311 transitions. [2023-12-02 21:36:36,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-12-02 21:36:36,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:36,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:36:36,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:36,657 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 28 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:36:40,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:40,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 184 states and 322 transitions. [2023-12-02 21:36:40,723 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 322 transitions. [2023-12-02 21:36:40,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-12-02 21:36:40,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:40,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:36:40,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:41,263 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 34 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:36:45,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:45,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 193 states and 333 transitions. [2023-12-02 21:36:45,500 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 333 transitions. [2023-12-02 21:36:45,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-12-02 21:36:45,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:45,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:36:45,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:46,124 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 40 proven. 81 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:36:50,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:50,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 202 states and 344 transitions. [2023-12-02 21:36:50,612 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 344 transitions. [2023-12-02 21:36:50,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-12-02 21:36:50,612 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:50,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:36:50,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:51,367 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 46 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:36:55,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:36:55,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 211 states and 353 transitions. [2023-12-02 21:36:55,583 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 353 transitions. [2023-12-02 21:36:55,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-12-02 21:36:55,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:36:55,584 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:36:55,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:36:56,023 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 44 proven. 8 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-12-02 21:37:10,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:10,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 236 states and 387 transitions. [2023-12-02 21:37:10,883 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 387 transitions. [2023-12-02 21:37:10,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-12-02 21:37:10,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:37:10,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:37:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:37:11,115 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 44 proven. 8 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2023-12-02 21:37:16,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:37:16,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 188 states and 317 transitions. [2023-12-02 21:37:16,516 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 317 transitions. [2023-12-02 21:37:16,516 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 21:37:16,517 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 23 iterations. [2023-12-02 21:37:16,524 INFO L751 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2023-12-02 21:37:17,099 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-12-02 21:37:17,106 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-12-02 21:37:17,106 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2023-12-02 21:37:17,107 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 21:37:17,107 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2023-12-02 21:37:17,108 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2023-12-02 21:37:17,109 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-12-02 21:37:17,109 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-12-02 21:37:17,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:37:17 ImpRootNode [2023-12-02 21:37:17,110 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:37:17,111 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:37:17,111 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:37:17,111 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:37:17,111 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:35:52" (3/4) ... [2023-12-02 21:37:17,113 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 21:37:17,139 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-12-02 21:37:17,141 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-02 21:37:17,144 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 21:37:17,146 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 21:37:17,358 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd0ec8f-2426-4a88-80cb-efe67a693ffd/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 21:37:17,359 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd0ec8f-2426-4a88-80cb-efe67a693ffd/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 21:37:17,359 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:37:17,360 INFO L158 Benchmark]: Toolchain (without parser) took 86394.11ms. Allocated memory was 155.2MB in the beginning and 813.7MB in the end (delta: 658.5MB). Free memory was 117.0MB in the beginning and 670.4MB in the end (delta: -553.3MB). Peak memory consumption was 105.9MB. Max. memory is 16.1GB. [2023-12-02 21:37:17,361 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 115.3MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:37:17,361 INFO L158 Benchmark]: CACSL2BoogieTranslator took 647.99ms. Allocated memory is still 155.2MB. Free memory was 116.8MB in the beginning and 101.4MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 21:37:17,362 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.92ms. Allocated memory is still 155.2MB. Free memory was 101.4MB in the beginning and 94.3MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-12-02 21:37:17,362 INFO L158 Benchmark]: Boogie Preprocessor took 74.53ms. Allocated memory is still 155.2MB. Free memory was 94.3MB in the beginning and 89.8MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 21:37:17,363 INFO L158 Benchmark]: RCFGBuilder took 1132.27ms. Allocated memory is still 155.2MB. Free memory was 89.8MB in the beginning and 109.9MB in the end (delta: -20.1MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2023-12-02 21:37:17,364 INFO L158 Benchmark]: CodeCheck took 84195.01ms. Allocated memory was 155.2MB in the beginning and 813.7MB in the end (delta: 658.5MB). Free memory was 109.9MB in the beginning and 691.1MB in the end (delta: -581.3MB). Peak memory consumption was 520.4MB. Max. memory is 16.1GB. [2023-12-02 21:37:17,364 INFO L158 Benchmark]: Witness Printer took 248.61ms. Allocated memory is still 813.7MB. Free memory was 691.1MB in the beginning and 670.4MB in the end (delta: 20.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 21:37:17,367 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, 245 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 83.6s, OverallIterations: 23, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 22796 SdHoareTripleChecker+Valid, 30.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14448 mSDsluCounter, 23554 SdHoareTripleChecker+Invalid, 25.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5372 mSDsCounter, 3258 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31608 IncrementalHoareTripleChecker+Invalid, 34866 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3258 mSolverCounterUnsat, 18182 mSDtfsCounter, 31608 mSolverCounterSat, 0.6s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 27785 GetRequests, 26340 SyntacticMatches, 703 SemanticMatches, 742 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279653 ImplicationChecksByTransitivity, 74.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 8.9s InterpolantComputationTime, 3281 NumberOfCodeBlocks, 3281 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 3259 ConstructedInterpolants, 0 QuantifiedInterpolants, 6442 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 22 InterpolantComputations, 10 PerfectInterpolantSequences, 597/924 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: 2003]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 2312]: 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 2 specifications checked. All of them hold - InvariantResult [Line: 2098]: Loop Invariant Derived loop invariant: (4 <= main__i) - InvariantResult [Line: 1060]: Loop Invariant Derived loop invariant: (2 <= main__i) - InvariantResult [Line: 1782]: Loop Invariant Derived loop invariant: (((5 <= main__i) && ((main__i + 1) <= main__nlen)) || (((4 <= main__i) && (7 <= main__j)) && ((main__i + 1) <= main__nlen))) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 2303]: Loop Invariant Derived loop invariant: (((5 <= main__i) && ((main__i + 1) <= main__nlen)) || (((8 <= main__j) && (4 <= main__i)) && ((main__i + 1) <= main__nlen))) - InvariantResult [Line: 1782]: Loop Invariant Derived loop invariant: ((5 <= main__i) && ((main__i + 1) <= main__nlen)) - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: (1 <= main__i) - InvariantResult [Line: 1579]: Loop Invariant Derived loop invariant: (3 <= main__i) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 115.3MB. Free memory is still 86.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 647.99ms. Allocated memory is still 155.2MB. Free memory was 116.8MB in the beginning and 101.4MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.92ms. Allocated memory is still 155.2MB. Free memory was 101.4MB in the beginning and 94.3MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 74.53ms. Allocated memory is still 155.2MB. Free memory was 94.3MB in the beginning and 89.8MB in the end (delta: 4.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1132.27ms. Allocated memory is still 155.2MB. Free memory was 89.8MB in the beginning and 109.9MB in the end (delta: -20.1MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. * CodeCheck took 84195.01ms. Allocated memory was 155.2MB in the beginning and 813.7MB in the end (delta: 658.5MB). Free memory was 109.9MB in the beginning and 691.1MB in the end (delta: -581.3MB). Peak memory consumption was 520.4MB. Max. memory is 16.1GB. * Witness Printer took 248.61ms. Allocated memory is still 813.7MB. Free memory was 691.1MB in the beginning and 670.4MB in the end (delta: 20.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 21:37:17,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdd0ec8f-2426-4a88-80cb-efe67a693ffd/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