./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound1.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_9355e760-07c3-439f-bb8d-4fcdc9e58ff9/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9355e760-07c3-439f-bb8d-4fcdc9e58ff9/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_9355e760-07c3-439f-bb8d-4fcdc9e58ff9/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9355e760-07c3-439f-bb8d-4fcdc9e58ff9/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9355e760-07c3-439f-bb8d-4fcdc9e58ff9/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_9355e760-07c3-439f-bb8d-4fcdc9e58ff9/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 4d98b743606513f831b0c11a7a0f14d9c6aeb2efbb7fa03be80b69c46d40fb39 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 01:07:24,795 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 01:07:24,866 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9355e760-07c3-439f-bb8d-4fcdc9e58ff9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 01:07:24,870 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 01:07:24,870 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 01:07:24,892 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 01:07:24,893 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 01:07:24,893 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 01:07:24,894 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 01:07:24,895 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 01:07:24,895 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 01:07:24,896 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 01:07:24,896 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 01:07:24,897 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 01:07:24,897 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 01:07:24,898 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 01:07:24,898 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 01:07:24,899 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 01:07:24,899 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 01:07:24,900 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 01:07:24,900 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 01:07:24,901 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 01:07:24,902 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 01:07:24,902 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 01:07:24,903 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 01:07:24,903 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 01:07:24,903 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:07:24,904 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 01:07:24,904 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 01:07:24,905 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 01:07:24,905 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 01:07:24,905 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 01:07:24,906 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 01:07:24,906 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_9355e760-07c3-439f-bb8d-4fcdc9e58ff9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9355e760-07c3-439f-bb8d-4fcdc9e58ff9/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4d98b743606513f831b0c11a7a0f14d9c6aeb2efbb7fa03be80b69c46d40fb39 [2023-12-03 01:07:25,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 01:07:25,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 01:07:25,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 01:07:25,153 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 01:07:25,154 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 01:07:25,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9355e760-07c3-439f-bb8d-4fcdc9e58ff9/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound1.c [2023-12-03 01:07:27,923 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 01:07:28,105 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 01:07:28,105 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9355e760-07c3-439f-bb8d-4fcdc9e58ff9/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound1.c [2023-12-03 01:07:28,113 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9355e760-07c3-439f-bb8d-4fcdc9e58ff9/bin/ukojak-verify-Qdu7aM0XO9/data/3f159c670/92e29618a5954e2687382de7589d4850/FLAGcfc1940fd [2023-12-03 01:07:28,125 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9355e760-07c3-439f-bb8d-4fcdc9e58ff9/bin/ukojak-verify-Qdu7aM0XO9/data/3f159c670/92e29618a5954e2687382de7589d4850 [2023-12-03 01:07:28,127 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 01:07:28,129 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 01:07:28,130 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 01:07:28,130 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 01:07:28,134 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 01:07:28,135 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:07:28" (1/1) ... [2023-12-03 01:07:28,136 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3205d719 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:28, skipping insertion in model container [2023-12-03 01:07:28,136 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:07:28" (1/1) ... [2023-12-03 01:07:28,154 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 01:07:28,272 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_9355e760-07c3-439f-bb8d-4fcdc9e58ff9/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound1.c[525,538] [2023-12-03 01:07:28,286 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:07:28,294 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 01:07:28,304 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_9355e760-07c3-439f-bb8d-4fcdc9e58ff9/sv-benchmarks/c/nla-digbench-scaling/geo3-ll_valuebound1.c[525,538] [2023-12-03 01:07:28,311 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 01:07:28,323 INFO L206 MainTranslator]: Completed translation [2023-12-03 01:07:28,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:28 WrapperNode [2023-12-03 01:07:28,324 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 01:07:28,325 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 01:07:28,325 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 01:07:28,325 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 01:07:28,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:28" (1/1) ... [2023-12-03 01:07:28,336 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:28" (1/1) ... [2023-12-03 01:07:28,351 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 48 [2023-12-03 01:07:28,351 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 01:07:28,352 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 01:07:28,352 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 01:07:28,352 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 01:07:28,359 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:28" (1/1) ... [2023-12-03 01:07:28,359 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:28" (1/1) ... [2023-12-03 01:07:28,361 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:28" (1/1) ... [2023-12-03 01:07:28,361 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:28" (1/1) ... [2023-12-03 01:07:28,364 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:28" (1/1) ... [2023-12-03 01:07:28,367 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:28" (1/1) ... [2023-12-03 01:07:28,368 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:28" (1/1) ... [2023-12-03 01:07:28,369 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:28" (1/1) ... [2023-12-03 01:07:28,371 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 01:07:28,372 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 01:07:28,372 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 01:07:28,372 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 01:07:28,373 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:07:28" (1/1) ... [2023-12-03 01:07:28,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 01:07:28,395 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9355e760-07c3-439f-bb8d-4fcdc9e58ff9/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 01:07:28,407 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9355e760-07c3-439f-bb8d-4fcdc9e58ff9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 01:07:28,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9355e760-07c3-439f-bb8d-4fcdc9e58ff9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 01:07:28,438 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 01:07:28,439 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-03 01:07:28,439 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-03 01:07:28,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 01:07:28,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 01:07:28,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 01:07:28,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-03 01:07:28,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-03 01:07:28,500 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 01:07:28,502 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 01:07:28,624 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 01:07:28,658 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 01:07:28,658 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 01:07:28,660 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:07:28 BoogieIcfgContainer [2023-12-03 01:07:28,660 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 01:07:28,661 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 01:07:28,662 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 01:07:28,670 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 01:07:28,670 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:07:28" (1/1) ... [2023-12-03 01:07:28,678 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 01:07:28,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:28,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2023-12-03 01:07:28,728 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2023-12-03 01:07:28,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-03 01:07:28,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:28,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:07:28,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:28,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 17 conjunts are in the unsatisfiable core [2023-12-03 01:07:28,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:29,089 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 01:07:29,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:29,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 32 transitions. [2023-12-03 01:07:29,287 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 32 transitions. [2023-12-03 01:07:29,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-03 01:07:29,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:29,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:07:29,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:29,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-03 01:07:29,334 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:29,411 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-12-03 01:07:29,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:29,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 38 transitions. [2023-12-03 01:07:29,621 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2023-12-03 01:07:29,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-03 01:07:29,623 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 01:07:29,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 01:07:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 01:07:29,663 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 01:07:29,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 01:07:29,756 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-12-03 01:07:30,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 01:07:30,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 19 states and 21 transitions. [2023-12-03 01:07:30,234 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 21 transitions. [2023-12-03 01:07:30,235 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 01:07:30,235 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-12-03 01:07:30,243 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 01:07:30,334 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:07:30,338 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 01:07:30,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 01:07:30 ImpRootNode [2023-12-03 01:07:30,338 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 01:07:30,339 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 01:07:30,339 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 01:07:30,339 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 01:07:30,339 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:07:28" (3/4) ... [2023-12-03 01:07:30,341 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 01:07:30,343 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2023-12-03 01:07:30,343 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-12-03 01:07:30,346 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-12-03 01:07:30,347 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-12-03 01:07:30,347 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 01:07:30,347 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 01:07:30,434 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9355e760-07c3-439f-bb8d-4fcdc9e58ff9/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 01:07:30,434 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9355e760-07c3-439f-bb8d-4fcdc9e58ff9/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 01:07:30,434 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 01:07:30,435 INFO L158 Benchmark]: Toolchain (without parser) took 2306.52ms. Allocated memory was 140.5MB in the beginning and 172.0MB in the end (delta: 31.5MB). Free memory was 109.5MB in the beginning and 136.3MB in the end (delta: -26.9MB). Peak memory consumption was 3.5MB. Max. memory is 16.1GB. [2023-12-03 01:07:30,436 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:07:30,436 INFO L158 Benchmark]: CACSL2BoogieTranslator took 194.41ms. Allocated memory is still 140.5MB. Free memory was 109.1MB in the beginning and 98.4MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 01:07:30,437 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.30ms. Allocated memory is still 140.5MB. Free memory was 98.4MB in the beginning and 97.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:07:30,437 INFO L158 Benchmark]: Boogie Preprocessor took 19.49ms. Allocated memory is still 140.5MB. Free memory was 97.1MB in the beginning and 95.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 01:07:30,438 INFO L158 Benchmark]: RCFGBuilder took 288.48ms. Allocated memory is still 140.5MB. Free memory was 95.9MB in the beginning and 84.1MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 01:07:30,438 INFO L158 Benchmark]: CodeCheck took 1676.76ms. Allocated memory was 140.5MB in the beginning and 172.0MB in the end (delta: 31.5MB). Free memory was 84.1MB in the beginning and 140.5MB in the end (delta: -56.4MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. [2023-12-03 01:07:30,439 INFO L158 Benchmark]: Witness Printer took 95.92ms. Allocated memory is still 172.0MB. Free memory was 140.5MB in the beginning and 136.3MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 01:07:30,441 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 3 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 119 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 95 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 30 mSDsCounter, 56 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 202 IncrementalHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 56 mSolverCounterUnsat, 65 mSDtfsCounter, 202 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 561 GetRequests, 525 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 67 NumberOfCodeBlocks, 67 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 203 SizeOfPredicates, 5 NumberOfNonLiveVariables, 234 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 21/24 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: 17]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 36]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 100.7MB. Free memory is still 53.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 194.41ms. Allocated memory is still 140.5MB. Free memory was 109.1MB in the beginning and 98.4MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.30ms. Allocated memory is still 140.5MB. Free memory was 98.4MB in the beginning and 97.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.49ms. Allocated memory is still 140.5MB. Free memory was 97.1MB in the beginning and 95.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 288.48ms. Allocated memory is still 140.5MB. Free memory was 95.9MB in the beginning and 84.1MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 1676.76ms. Allocated memory was 140.5MB in the beginning and 172.0MB in the end (delta: 31.5MB). Free memory was 84.1MB in the beginning and 140.5MB in the end (delta: -56.4MB). Peak memory consumption was 43.0MB. Max. memory is 16.1GB. * Witness Printer took 95.92ms. Allocated memory is still 172.0MB. Free memory was 140.5MB in the beginning and 136.3MB in the end (delta: 4.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-12-03 01:07:30,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9355e760-07c3-439f-bb8d-4fcdc9e58ff9/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