./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-lit/hh2012-ex1b.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d23d99-652e-445a-acf2-7daa262574e7/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d23d99-652e-445a-acf2-7daa262574e7/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d23d99-652e-445a-acf2-7daa262574e7/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d23d99-652e-445a-acf2-7daa262574e7/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-lit/hh2012-ex1b.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d23d99-652e-445a-acf2-7daa262574e7/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d23d99-652e-445a-acf2-7daa262574e7/bin/ukojak-verify-ENZ3QT5qd3 --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 7ce79fe11836d82ec064e02fff135ad9866417774e7d276b3384b4d4dde863b5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:31:51,577 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:31:51,650 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d23d99-652e-445a-acf2-7daa262574e7/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:31:51,654 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:31:51,655 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:31:51,691 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:31:51,693 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:31:51,693 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:31:51,694 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:31:51,695 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:31:51,696 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:31:51,696 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:31:51,696 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:31:51,696 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:31:51,696 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:31:51,697 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:31:51,697 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:31:51,697 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:31:51,698 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:31:51,698 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:31:51,698 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:31:51,698 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:31:51,698 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:31:51,698 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:31:51,698 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:31:51,698 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:31:51,698 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:31:51,699 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:31:51,699 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:31:51,699 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:31:51,699 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:31:51,699 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:31:51,699 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:31:51,699 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_d8d23d99-652e-445a-acf2-7daa262574e7/bin/ukojak-verify-ENZ3QT5qd3 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 -> 7ce79fe11836d82ec064e02fff135ad9866417774e7d276b3384b4d4dde863b5 [2024-11-25 02:31:52,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:31:52,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:31:52,050 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:31:52,052 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:31:52,052 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:31:52,053 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d23d99-652e-445a-acf2-7daa262574e7/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/loop-lit/hh2012-ex1b.i [2024-11-25 02:31:54,955 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d23d99-652e-445a-acf2-7daa262574e7/bin/ukojak-verify-ENZ3QT5qd3/data/67d36fe28/c78f9f1116b048feadee7db8c7dbbbe9/FLAG399f3586c [2024-11-25 02:31:55,178 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:31:55,179 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d23d99-652e-445a-acf2-7daa262574e7/sv-benchmarks/c/loop-lit/hh2012-ex1b.i [2024-11-25 02:31:55,190 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d23d99-652e-445a-acf2-7daa262574e7/bin/ukojak-verify-ENZ3QT5qd3/data/67d36fe28/c78f9f1116b048feadee7db8c7dbbbe9/FLAG399f3586c [2024-11-25 02:31:55,205 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d23d99-652e-445a-acf2-7daa262574e7/bin/ukojak-verify-ENZ3QT5qd3/data/67d36fe28/c78f9f1116b048feadee7db8c7dbbbe9 [2024-11-25 02:31:55,210 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:31:55,212 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:31:55,216 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:31:55,216 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:31:55,221 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:31:55,222 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:31:55" (1/1) ... [2024-11-25 02:31:55,223 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f0a2437 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:55, skipping insertion in model container [2024-11-25 02:31:55,227 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:31:55" (1/1) ... [2024-11-25 02:31:55,243 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:31:55,429 WARN L250 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_d8d23d99-652e-445a-acf2-7daa262574e7/sv-benchmarks/c/loop-lit/hh2012-ex1b.i[800,813] [2024-11-25 02:31:55,446 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:31:55,459 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:31:55,470 WARN L250 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_d8d23d99-652e-445a-acf2-7daa262574e7/sv-benchmarks/c/loop-lit/hh2012-ex1b.i[800,813] [2024-11-25 02:31:55,476 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:31:55,496 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:31:55,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:55 WrapperNode [2024-11-25 02:31:55,498 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:31:55,499 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:31:55,499 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:31:55,500 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:31:55,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:55" (1/1) ... [2024-11-25 02:31:55,521 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:55" (1/1) ... [2024-11-25 02:31:55,538 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2024-11-25 02:31:55,539 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:31:55,539 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:31:55,540 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:31:55,540 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:31:55,547 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:55" (1/1) ... [2024-11-25 02:31:55,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:55" (1/1) ... [2024-11-25 02:31:55,549 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:55" (1/1) ... [2024-11-25 02:31:55,549 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:55" (1/1) ... [2024-11-25 02:31:55,551 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:55" (1/1) ... [2024-11-25 02:31:55,554 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:55" (1/1) ... [2024-11-25 02:31:55,561 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:55" (1/1) ... [2024-11-25 02:31:55,562 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:55" (1/1) ... [2024-11-25 02:31:55,564 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:55" (1/1) ... [2024-11-25 02:31:55,565 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:31:55,567 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:31:55,568 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:31:55,569 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:31:55,570 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:31:55" (1/1) ... [2024-11-25 02:31:55,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:31:55,590 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d23d99-652e-445a-acf2-7daa262574e7/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:31:55,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d23d99-652e-445a-acf2-7daa262574e7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:31:55,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d23d99-652e-445a-acf2-7daa262574e7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:31:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:31:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:31:55,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:31:55,644 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:31:55,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:31:55,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:31:55,716 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:31:55,718 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:31:55,824 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-25 02:31:55,824 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:31:55,853 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:31:55,853 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:31:55,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:31:55 BoogieIcfgContainer [2024-11-25 02:31:55,854 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:31:55,854 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:31:55,854 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:31:55,869 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:31:55,869 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:31:55" (1/1) ... [2024-11-25 02:31:55,877 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:31:55,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:31:55,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 17 states and 22 transitions. [2024-11-25 02:31:55,929 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 22 transitions. [2024-11-25 02:31:55,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-25 02:31:55,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:31:55,932 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:31:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:31:56,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:31:56,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:31:56,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-11-25 02:31:56,122 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-25 02:31:56,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:31:56,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:31:56,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:31:56,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:31:56,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:31:56,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:31:56,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 19 states and 25 transitions. [2024-11-25 02:31:56,252 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 25 transitions. [2024-11-25 02:31:56,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-25 02:31:56,252 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:31:56,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:31:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:31:56,448 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:31:56,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:31:56,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 22 states and 33 transitions. [2024-11-25 02:31:56,586 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 33 transitions. [2024-11-25 02:31:56,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 02:31:56,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:31:56,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:31:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:31:56,663 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:31:56,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:31:56,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 34 transitions. [2024-11-25 02:31:56,764 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 34 transitions. [2024-11-25 02:31:56,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 02:31:56,764 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:31:56,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:31:56,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:31:56,931 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:31:57,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:31:57,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 23 states and 33 transitions. [2024-11-25 02:31:57,037 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2024-11-25 02:31:57,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-25 02:31:57,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:31:57,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:31:57,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:31:57,200 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 02:31:57,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:31:57,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 32 transitions. [2024-11-25 02:31:57,270 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 32 transitions. [2024-11-25 02:31:57,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-25 02:31:57,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:31:57,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:31:57,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:31:57,459 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-25 02:31:58,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:31:58,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 48 transitions. [2024-11-25 02:31:58,058 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 48 transitions. [2024-11-25 02:31:58,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-25 02:31:58,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:31:58,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:31:58,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:31:58,133 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-25 02:31:58,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:31:58,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 50 transitions. [2024-11-25 02:31:58,223 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 50 transitions. [2024-11-25 02:31:58,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-25 02:31:58,224 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:31:58,224 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:31:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:31:58,424 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2024-11-25 02:31:59,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:31:59,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 33 states and 49 transitions. [2024-11-25 02:31:59,411 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 49 transitions. [2024-11-25 02:31:59,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-25 02:31:59,413 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:31:59,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:31:59,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:31:59,576 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2024-11-25 02:31:59,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:31:59,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 29 states and 45 transitions. [2024-11-25 02:31:59,665 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 45 transitions. [2024-11-25 02:31:59,665 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 02:31:59,666 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2024-11-25 02:31:59,674 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 02:31:59,747 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 02:31:59,747 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 02:31:59,748 INFO L77 FloydHoareUtils]: At program point L26(line 26) the Hoare annotation is: true [2024-11-25 02:31:59,748 INFO L77 FloydHoareUtils]: At program point L24(line 24) the Hoare annotation is: true [2024-11-25 02:31:59,748 INFO L77 FloydHoareUtils]: At program point L24-1(line 24) the Hoare annotation is: true [2024-11-25 02:31:59,748 INFO L77 FloydHoareUtils]: At program point L22(line 22) the Hoare annotation is: true [2024-11-25 02:31:59,748 INFO L77 FloydHoareUtils]: At program point L20(line 20) the Hoare annotation is: (<= |ULTIMATE.start_main_~j~0#1| 100) [2024-11-25 02:31:59,748 INFO L77 FloydHoareUtils]: At program point L20-1(lines 18 21) the Hoare annotation is: true [2024-11-25 02:31:59,748 INFO L77 FloydHoareUtils]: At program point L18-3(lines 18 21) the Hoare annotation is: true [2024-11-25 02:31:59,748 INFO L77 FloydHoareUtils]: At program point L16-3(lines 16 25) the Hoare annotation is: true [2024-11-25 02:31:59,748 INFO L77 FloydHoareUtils]: At program point L16-4(lines 16 25) the Hoare annotation is: true [2024-11-25 02:31:59,748 INFO L77 FloydHoareUtils]: At program point L13(line 13) the Hoare annotation is: true [2024-11-25 02:31:59,749 INFO L77 FloydHoareUtils]: At program point L13-1(line 13) the Hoare annotation is: true [2024-11-25 02:31:59,749 INFO L77 FloydHoareUtils]: At program point L13-3(line 13) the Hoare annotation is: true [2024-11-25 02:31:59,749 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(line 13) the Hoare annotation is: true [2024-11-25 02:31:59,749 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line 13) the Hoare annotation is: true [2024-11-25 02:31:59,749 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 13) the Hoare annotation is: true [2024-11-25 02:31:59,762 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:31:59 ImpRootNode [2024-11-25 02:31:59,762 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:31:59,763 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:31:59,763 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:31:59,763 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:31:59,764 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:31:55" (3/4) ... [2024-11-25 02:31:59,766 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 02:31:59,769 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-25 02:31:59,772 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-11-25 02:31:59,772 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-25 02:31:59,773 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 02:31:59,773 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 02:31:59,854 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d23d99-652e-445a-acf2-7daa262574e7/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 02:31:59,854 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d23d99-652e-445a-acf2-7daa262574e7/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 02:31:59,854 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:31:59,855 INFO L158 Benchmark]: Toolchain (without parser) took 4643.38ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 102.9MB in the end (delta: 14.5MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2024-11-25 02:31:59,856 INFO L158 Benchmark]: CDTParser took 0.58ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:31:59,856 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.14ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 106.1MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:31:59,857 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.90ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 105.1MB in the end (delta: 941.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:31:59,857 INFO L158 Benchmark]: Boogie Preprocessor took 27.08ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 104.3MB in the end (delta: 814.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:31:59,857 INFO L158 Benchmark]: RCFGBuilder took 286.50ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 94.2MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:31:59,858 INFO L158 Benchmark]: CodeCheck took 3908.11ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 106.6MB in the end (delta: -12.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:31:59,858 INFO L158 Benchmark]: Witness Printer took 91.51ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 102.9MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:31:59,860 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 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.8s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 363 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 40 mSDsluCounter, 226 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 69 mSDsCounter, 302 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 706 IncrementalHoareTripleChecker+Invalid, 1008 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 302 mSolverCounterUnsat, 157 mSDtfsCounter, 706 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1542 GetRequests, 1459 SyntacticMatches, 11 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1850 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 231 NumberOfCodeBlocks, 231 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 221 ConstructedInterpolants, 0 QuantifiedInterpolants, 357 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 8 PerfectInterpolantSequences, 355/357 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, ConComCheckerStatistics: No data available - PositiveResult [Line: 13]: 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 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.58ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.14ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 106.1MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.90ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 105.1MB in the end (delta: 941.7kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.08ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 104.3MB in the end (delta: 814.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 286.50ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 94.2MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 3908.11ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 106.6MB in the end (delta: -12.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 91.51ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 102.9MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 02:31:59,879 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d23d99-652e-445a-acf2-7daa262574e7/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE