./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.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_f7665a4f-7dd9-4fc0-aba9-fc847ea08c7d/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7665a4f-7dd9-4fc0-aba9-fc847ea08c7d/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_f7665a4f-7dd9-4fc0-aba9-fc847ea08c7d/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7665a4f-7dd9-4fc0-aba9-fc847ea08c7d/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7665a4f-7dd9-4fc0-aba9-fc847ea08c7d/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_f7665a4f-7dd9-4fc0-aba9-fc847ea08c7d/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 bc897f414e0a05ffd4da5dfbe75d0cb0f250cea1356c39694412a6f55b10a7b1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 22:49:44,499 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 22:49:44,563 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7665a4f-7dd9-4fc0-aba9-fc847ea08c7d/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 22:49:44,567 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 22:49:44,567 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 22:49:44,590 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 22:49:44,591 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 22:49:44,591 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 22:49:44,592 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 22:49:44,593 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 22:49:44,593 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 22:49:44,594 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 22:49:44,594 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 22:49:44,595 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 22:49:44,595 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 22:49:44,596 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 22:49:44,596 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 22:49:44,597 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 22:49:44,597 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 22:49:44,598 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 22:49:44,598 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 22:49:44,599 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 22:49:44,600 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 22:49:44,600 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 22:49:44,600 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 22:49:44,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 22:49:44,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:49:44,602 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 22:49:44,602 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 22:49:44,602 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 22:49:44,603 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 22:49:44,603 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 22:49:44,604 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 22:49:44,604 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_f7665a4f-7dd9-4fc0-aba9-fc847ea08c7d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7665a4f-7dd9-4fc0-aba9-fc847ea08c7d/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc897f414e0a05ffd4da5dfbe75d0cb0f250cea1356c39694412a6f55b10a7b1 [2023-12-02 22:49:44,815 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 22:49:44,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 22:49:44,838 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 22:49:44,839 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 22:49:44,839 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 22:49:44,840 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7665a4f-7dd9-4fc0-aba9-fc847ea08c7d/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c [2023-12-02 22:49:47,515 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 22:49:47,740 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 22:49:47,741 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7665a4f-7dd9-4fc0-aba9-fc847ea08c7d/sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c [2023-12-02 22:49:47,757 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7665a4f-7dd9-4fc0-aba9-fc847ea08c7d/bin/ukojak-verify-Qdu7aM0XO9/data/aa72d4726/cf4bbf72b8604b9db574fbf4eb715a7b/FLAG26df01912 [2023-12-02 22:49:47,770 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7665a4f-7dd9-4fc0-aba9-fc847ea08c7d/bin/ukojak-verify-Qdu7aM0XO9/data/aa72d4726/cf4bbf72b8604b9db574fbf4eb715a7b [2023-12-02 22:49:47,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 22:49:47,772 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 22:49:47,773 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 22:49:47,774 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 22:49:47,777 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 22:49:47,778 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:49:47" (1/1) ... [2023-12-02 22:49:47,778 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3711b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:47, skipping insertion in model container [2023-12-02 22:49:47,779 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:49:47" (1/1) ... [2023-12-02 22:49:47,860 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 22:49:48,201 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_f7665a4f-7dd9-4fc0-aba9-fc847ea08c7d/sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c[32736,32749] [2023-12-02 22:49:48,211 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_f7665a4f-7dd9-4fc0-aba9-fc847ea08c7d/sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c[33038,33051] [2023-12-02 22:49:48,268 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:49:48,278 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 22:49:48,421 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_f7665a4f-7dd9-4fc0-aba9-fc847ea08c7d/sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c[32736,32749] [2023-12-02 22:49:48,426 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_f7665a4f-7dd9-4fc0-aba9-fc847ea08c7d/sv-benchmarks/c/loop-invgen/id_build.i.p+nlh-reducer.c[33038,33051] [2023-12-02 22:49:48,467 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 22:49:48,481 INFO L206 MainTranslator]: Completed translation [2023-12-02 22:49:48,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:48 WrapperNode [2023-12-02 22:49:48,481 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 22:49:48,482 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 22:49:48,483 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 22:49:48,483 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 22:49:48,490 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:48" (1/1) ... [2023-12-02 22:49:48,507 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:48" (1/1) ... [2023-12-02 22:49:48,572 INFO L138 Inliner]: procedures = 14, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 1557 [2023-12-02 22:49:48,573 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 22:49:48,573 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 22:49:48,574 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 22:49:48,574 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 22:49:48,582 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:48" (1/1) ... [2023-12-02 22:49:48,582 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:48" (1/1) ... [2023-12-02 22:49:48,588 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:48" (1/1) ... [2023-12-02 22:49:48,588 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:48" (1/1) ... [2023-12-02 22:49:48,619 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:48" (1/1) ... [2023-12-02 22:49:48,629 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:48" (1/1) ... [2023-12-02 22:49:48,633 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:48" (1/1) ... [2023-12-02 22:49:48,639 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:48" (1/1) ... [2023-12-02 22:49:48,647 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 22:49:48,649 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 22:49:48,649 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 22:49:48,649 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 22:49:48,650 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:49:48" (1/1) ... [2023-12-02 22:49:48,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 22:49:48,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7665a4f-7dd9-4fc0-aba9-fc847ea08c7d/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 22:49:48,688 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7665a4f-7dd9-4fc0-aba9-fc847ea08c7d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 22:49:48,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7665a4f-7dd9-4fc0-aba9-fc847ea08c7d/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 22:49:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 22:49:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 22:49:48,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 22:49:48,721 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 22:49:48,866 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 22:49:48,869 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 22:49:49,746 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 22:49:49,774 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 22:49:49,774 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-12-02 22:49:49,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:49:49 BoogieIcfgContainer [2023-12-02 22:49:49,776 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 22:49:49,777 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 22:49:49,777 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 22:49:49,785 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 22:49:49,785 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:49:49" (1/1) ... [2023-12-02 22:49:49,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 22:49:49,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:49,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 249 states and 484 transitions. [2023-12-02 22:49:49,846 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 484 transitions. [2023-12-02 22:49:49,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-12-02 22:49:49,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:49,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:49:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:50,517 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 22:49:51,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:51,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 485 states to 251 states and 485 transitions. [2023-12-02 22:49:51,125 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 485 transitions. [2023-12-02 22:49:51,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-12-02 22:49:51,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:51,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:49:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:51,462 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 22:49:52,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:52,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 254 states and 488 transitions. [2023-12-02 22:49:52,103 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 488 transitions. [2023-12-02 22:49:52,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-12-02 22:49:52,107 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:52,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:49:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:52,321 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 22:49:52,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:52,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 256 states and 490 transitions. [2023-12-02 22:49:52,908 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 490 transitions. [2023-12-02 22:49:52,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2023-12-02 22:49:52,911 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:52,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:49:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:53,107 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 22:49:53,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:53,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 259 states and 495 transitions. [2023-12-02 22:49:53,556 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 495 transitions. [2023-12-02 22:49:53,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-12-02 22:49:53,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:53,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:49:53,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:53,782 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 22:49:53,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:53,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 258 states and 493 transitions. [2023-12-02 22:49:53,937 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 493 transitions. [2023-12-02 22:49:53,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2023-12-02 22:49:53,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:53,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:49:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:54,530 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 22:49:56,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:56,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 368 states and 742 transitions. [2023-12-02 22:49:56,137 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 742 transitions. [2023-12-02 22:49:56,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-12-02 22:49:56,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:56,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:49:56,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:56,287 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 22:49:56,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:49:56,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 361 states and 733 transitions. [2023-12-02 22:49:56,514 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 733 transitions. [2023-12-02 22:49:56,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-12-02 22:49:56,515 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:49:56,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:49:56,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:49:58,263 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 22:50:04,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:04,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 794 states to 388 states and 794 transitions. [2023-12-02 22:50:04,561 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 794 transitions. [2023-12-02 22:50:04,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-02 22:50:04,562 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:04,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:50:04,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:05,526 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 22:50:08,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:08,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 335 states and 678 transitions. [2023-12-02 22:50:08,247 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 678 transitions. [2023-12-02 22:50:08,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-02 22:50:08,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:08,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:50:08,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:08,472 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 22:50:11,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:11,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 282 states and 563 transitions. [2023-12-02 22:50:11,151 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 563 transitions. [2023-12-02 22:50:11,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-02 22:50:11,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:11,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:50:11,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:11,333 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 22:50:14,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:14,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 204 states and 389 transitions. [2023-12-02 22:50:14,223 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 389 transitions. [2023-12-02 22:50:14,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-12-02 22:50:14,224 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:14,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:50:14,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:14,447 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 22:50:17,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:17,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 153 states and 279 transitions. [2023-12-02 22:50:17,613 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 279 transitions. [2023-12-02 22:50:17,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-12-02 22:50:17,614 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:17,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:50:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:17,798 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 22:50:22,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:22,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 155 states and 281 transitions. [2023-12-02 22:50:22,042 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 281 transitions. [2023-12-02 22:50:22,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-12-02 22:50:22,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:22,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:50:22,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:22,221 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 22:50:24,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:24,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 161 states and 292 transitions. [2023-12-02 22:50:24,442 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 292 transitions. [2023-12-02 22:50:24,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-12-02 22:50:24,443 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:24,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:50:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:24,761 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 22:50:28,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:28,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 170 states and 304 transitions. [2023-12-02 22:50:28,384 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 304 transitions. [2023-12-02 22:50:28,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-12-02 22:50:28,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:28,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:50:28,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:28,733 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 22:50:32,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:32,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 179 states and 315 transitions. [2023-12-02 22:50:32,424 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 315 transitions. [2023-12-02 22:50:32,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-12-02 22:50:32,425 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:32,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:50:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:32,895 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 22:50:36,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:37,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 188 states and 326 transitions. [2023-12-02 22:50:37,000 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 326 transitions. [2023-12-02 22:50:37,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2023-12-02 22:50:37,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:37,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:50:37,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:37,567 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 22:50:42,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:42,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 197 states and 337 transitions. [2023-12-02 22:50:42,194 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 337 transitions. [2023-12-02 22:50:42,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2023-12-02 22:50:42,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:42,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:50:42,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:42,839 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 22:50:47,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:47,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 206 states and 348 transitions. [2023-12-02 22:50:47,280 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 348 transitions. [2023-12-02 22:50:47,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-12-02 22:50:47,281 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:47,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:50:47,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:48,033 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 22:50:52,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:50:52,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 215 states and 357 transitions. [2023-12-02 22:50:52,619 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 357 transitions. [2023-12-02 22:50:52,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-12-02 22:50:52,619 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:50:52,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:50:52,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:50:53,053 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 22:51:09,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:09,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 240 states and 391 transitions. [2023-12-02 22:51:09,201 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 391 transitions. [2023-12-02 22:51:09,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-12-02 22:51:09,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:51:09,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:51:09,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:51:09,501 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 22:51:15,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:51:15,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 192 states and 321 transitions. [2023-12-02 22:51:15,936 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 321 transitions. [2023-12-02 22:51:15,937 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 22:51:15,937 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 23 iterations. [2023-12-02 22:51:15,945 INFO L751 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2023-12-02 22:51:16,533 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2023-12-02 22:51:16,540 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-12-02 22:51:16,540 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-12-02 22:51:16,540 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2023-12-02 22:51:16,541 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2023-12-02 22:51:16,542 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 22:51:16,542 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-12-02 22:51:16,542 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-12-02 22:51:16,543 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:51:16 ImpRootNode [2023-12-02 22:51:16,543 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:51:16,543 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:51:16,544 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:51:16,544 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:51:16,544 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:49:49" (3/4) ... [2023-12-02 22:51:16,546 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 22:51:16,571 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-12-02 22:51:16,573 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-02 22:51:16,575 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-02 22:51:16,577 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 22:51:16,806 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7665a4f-7dd9-4fc0-aba9-fc847ea08c7d/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 22:51:16,806 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7665a4f-7dd9-4fc0-aba9-fc847ea08c7d/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 22:51:16,806 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:51:16,807 INFO L158 Benchmark]: Toolchain (without parser) took 89034.42ms. Allocated memory was 146.8MB in the beginning and 824.2MB in the end (delta: 677.4MB). Free memory was 106.1MB in the beginning and 630.4MB in the end (delta: -524.3MB). Peak memory consumption was 155.5MB. Max. memory is 16.1GB. [2023-12-02 22:51:16,807 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 113.2MB. Free memory is still 65.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:51:16,808 INFO L158 Benchmark]: CACSL2BoogieTranslator took 708.28ms. Allocated memory is still 146.8MB. Free memory was 106.1MB in the beginning and 66.7MB in the end (delta: 39.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-12-02 22:51:16,808 INFO L158 Benchmark]: Boogie Procedure Inliner took 90.53ms. Allocated memory is still 146.8MB. Free memory was 66.7MB in the beginning and 113.5MB in the end (delta: -46.7MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2023-12-02 22:51:16,808 INFO L158 Benchmark]: Boogie Preprocessor took 73.97ms. Allocated memory is still 146.8MB. Free memory was 113.5MB in the beginning and 111.5MB in the end (delta: 2.0MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. [2023-12-02 22:51:16,809 INFO L158 Benchmark]: RCFGBuilder took 1127.40ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 111.5MB in the beginning and 106.7MB in the end (delta: 4.8MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. [2023-12-02 22:51:16,809 INFO L158 Benchmark]: CodeCheck took 86765.92ms. Allocated memory was 188.7MB in the beginning and 824.2MB in the end (delta: 635.4MB). Free memory was 106.7MB in the beginning and 650.3MB in the end (delta: -543.6MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. [2023-12-02 22:51:16,809 INFO L158 Benchmark]: Witness Printer took 262.96ms. Allocated memory is still 824.2MB. Free memory was 650.3MB in the beginning and 630.4MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-12-02 22:51:16,811 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, 249 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 86.1s, OverallIterations: 23, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23067 SdHoareTripleChecker+Valid, 27.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 14521 mSDsluCounter, 25894 SdHoareTripleChecker+Invalid, 23.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6979 mSDsCounter, 3082 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28872 IncrementalHoareTripleChecker+Invalid, 31954 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3082 mSolverCounterUnsat, 18915 mSDtfsCounter, 28872 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28226 GetRequests, 26796 SyntacticMatches, 688 SemanticMatches, 742 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 279588 ImplicationChecksByTransitivity, 77.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 9.1s InterpolantComputationTime, 3365 NumberOfCodeBlocks, 3365 NumberOfCodeBlocksAsserted, 22 NumberOfCheckSat, 3343 ConstructedInterpolants, 0 QuantifiedInterpolants, 6556 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: 1763]: 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: 1780]: 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: 1771]: 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: 225]: Loop Invariant Derived loop invariant: (main__i == 0) - InvariantResult [Line: 1542]: Loop Invariant Derived loop invariant: (3 <= main__i) - InvariantResult [Line: 1742]: 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: 1754]: Loop Invariant Derived loop invariant: ((5 <= main__i) && ((main__i + 1) <= main__nlen)) - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 664]: Loop Invariant Derived loop invariant: (1 <= main__i) - InvariantResult [Line: 1103]: Loop Invariant Derived loop invariant: (2 <= main__i) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 113.2MB. Free memory is still 65.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 708.28ms. Allocated memory is still 146.8MB. Free memory was 106.1MB in the beginning and 66.7MB in the end (delta: 39.4MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 90.53ms. Allocated memory is still 146.8MB. Free memory was 66.7MB in the beginning and 113.5MB in the end (delta: -46.7MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.97ms. Allocated memory is still 146.8MB. Free memory was 113.5MB in the beginning and 111.5MB in the end (delta: 2.0MB). Peak memory consumption was 7.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1127.40ms. Allocated memory was 146.8MB in the beginning and 188.7MB in the end (delta: 41.9MB). Free memory was 111.5MB in the beginning and 106.7MB in the end (delta: 4.8MB). Peak memory consumption was 61.1MB. Max. memory is 16.1GB. * CodeCheck took 86765.92ms. Allocated memory was 188.7MB in the beginning and 824.2MB in the end (delta: 635.4MB). Free memory was 106.7MB in the beginning and 650.3MB in the end (delta: -543.6MB). Peak memory consumption was 91.8MB. Max. memory is 16.1GB. * Witness Printer took 262.96ms. Allocated memory is still 824.2MB. Free memory was 650.3MB in the beginning and 630.4MB in the end (delta: 19.9MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-02 22:51:16,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f7665a4f-7dd9-4fc0-aba9-fc847ea08c7d/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