./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label50.c --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_fbbf1e40-ca1b-473a-acea-21c1eb56d72e/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbf1e40-ca1b-473a-acea-21c1eb56d72e/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_fbbf1e40-ca1b-473a-acea-21c1eb56d72e/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbf1e40-ca1b-473a-acea-21c1eb56d72e/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label50.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbf1e40-ca1b-473a-acea-21c1eb56d72e/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_fbbf1e40-ca1b-473a-acea-21c1eb56d72e/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 37f79062fe3be0abf370e94726d24a3524d934123ef5393980d7efccb29185f4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:52:16,590 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:52:16,685 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbf1e40-ca1b-473a-acea-21c1eb56d72e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:52:16,697 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:52:16,697 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:52:16,735 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:52:16,738 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:52:16,738 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:52:16,738 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:52:16,739 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:52:16,739 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:52:16,739 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:52:16,739 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:52:16,739 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:52:16,739 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:52:16,739 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:52:16,739 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:52:16,739 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:52:16,739 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:52:16,740 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:52:16,740 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:52:16,740 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:52:16,740 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:52:16,740 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:52:16,740 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:52:16,740 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:52:16,740 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:52:16,740 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:52:16,741 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:52:16,741 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:52:16,741 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:52:16,741 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:52:16,741 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:52:16,741 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_fbbf1e40-ca1b-473a-acea-21c1eb56d72e/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 -> 37f79062fe3be0abf370e94726d24a3524d934123ef5393980d7efccb29185f4 [2024-11-25 04:52:17,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:52:17,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:52:17,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:52:17,074 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:52:17,077 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:52:17,078 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbf1e40-ca1b-473a-acea-21c1eb56d72e/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/eca-rers2012/Problem14_label50.c [2024-11-25 04:52:20,025 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbf1e40-ca1b-473a-acea-21c1eb56d72e/bin/ukojak-verify-ENZ3QT5qd3/data/2f8c07eec/2ebff3104aa34f0f9c8352f6301b33da/FLAG9a6644903 [2024-11-25 04:52:20,451 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:52:20,452 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbf1e40-ca1b-473a-acea-21c1eb56d72e/sv-benchmarks/c/eca-rers2012/Problem14_label50.c [2024-11-25 04:52:20,468 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbf1e40-ca1b-473a-acea-21c1eb56d72e/bin/ukojak-verify-ENZ3QT5qd3/data/2f8c07eec/2ebff3104aa34f0f9c8352f6301b33da/FLAG9a6644903 [2024-11-25 04:52:20,490 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbf1e40-ca1b-473a-acea-21c1eb56d72e/bin/ukojak-verify-ENZ3QT5qd3/data/2f8c07eec/2ebff3104aa34f0f9c8352f6301b33da [2024-11-25 04:52:20,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:52:20,497 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:52:20,499 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:52:20,499 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:52:20,504 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:52:20,505 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:52:20" (1/1) ... [2024-11-25 04:52:20,507 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3717551b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:20, skipping insertion in model container [2024-11-25 04:52:20,507 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:52:20" (1/1) ... [2024-11-25 04:52:20,564 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:52:20,781 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_fbbf1e40-ca1b-473a-acea-21c1eb56d72e/sv-benchmarks/c/eca-rers2012/Problem14_label50.c[3933,3946] [2024-11-25 04:52:21,069 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:52:21,080 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:52:21,115 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_fbbf1e40-ca1b-473a-acea-21c1eb56d72e/sv-benchmarks/c/eca-rers2012/Problem14_label50.c[3933,3946] [2024-11-25 04:52:21,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:52:21,235 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:52:21,236 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:21 WrapperNode [2024-11-25 04:52:21,236 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:52:21,237 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:52:21,238 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:52:21,238 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:52:21,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:21" (1/1) ... [2024-11-25 04:52:21,262 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:21" (1/1) ... [2024-11-25 04:52:21,340 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2024-11-25 04:52:21,341 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:52:21,341 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:52:21,342 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:52:21,342 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:52:21,349 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:21" (1/1) ... [2024-11-25 04:52:21,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:21" (1/1) ... [2024-11-25 04:52:21,355 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:21" (1/1) ... [2024-11-25 04:52:21,355 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:21" (1/1) ... [2024-11-25 04:52:21,380 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:21" (1/1) ... [2024-11-25 04:52:21,383 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:21" (1/1) ... [2024-11-25 04:52:21,391 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:21" (1/1) ... [2024-11-25 04:52:21,395 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:21" (1/1) ... [2024-11-25 04:52:21,400 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:21" (1/1) ... [2024-11-25 04:52:21,409 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:52:21,410 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:52:21,410 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:52:21,411 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:52:21,412 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:52:21" (1/1) ... [2024-11-25 04:52:21,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:52:21,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbf1e40-ca1b-473a-acea-21c1eb56d72e/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:52:21,450 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbf1e40-ca1b-473a-acea-21c1eb56d72e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:52:21,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbf1e40-ca1b-473a-acea-21c1eb56d72e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:52:21,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:52:21,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:52:21,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:52:21,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:52:21,551 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:52:21,553 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:52:23,143 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-25 04:52:23,144 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:52:27,813 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:52:27,813 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 04:52:27,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:52:27 BoogieIcfgContainer [2024-11-25 04:52:27,814 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:52:27,815 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:52:27,815 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:52:27,825 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:52:27,826 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:52:27" (1/1) ... [2024-11-25 04:52:27,834 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:52:27,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:27,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-25 04:52:27,886 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-25 04:52:27,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 04:52:27,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:27,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:52:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:28,199 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 04:52:28,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:28,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-25 04:52:28,358 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-25 04:52:28,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 04:52:28,359 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:28,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:52:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:52:51,035 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:52:51,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:52:51,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 18 states and 26 transitions. [2024-11-25 04:52:51,572 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 26 transitions. [2024-11-25 04:52:51,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 04:52:51,573 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:52:51,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:52:51,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:53:22,314 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:53:23,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:53:23,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 27 states and 45 transitions. [2024-11-25 04:53:23,156 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 45 transitions. [2024-11-25 04:53:23,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 04:53:23,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:53:23,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:53:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:54:20,089 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:54:21,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:54:21,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 36 states and 65 transitions. [2024-11-25 04:54:21,555 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 65 transitions. [2024-11-25 04:54:21,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-25 04:54:21,556 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:54:21,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:54:22,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:56:28,984 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:56:32,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:56:32,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 39 states and 88 transitions. [2024-11-25 04:56:32,172 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 88 transitions. [2024-11-25 04:56:32,174 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 04:56:32,175 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-25 04:56:32,186 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 04:56:33,236 INFO L77 FloydHoareUtils]: At program point L895(line 895) the Hoare annotation is: (not (let ((.cse1 (not (= ~a24~0 1)))) (let ((.cse0 (or (< ~a12~0 12) .cse1 (< 80 ~a12~0) (not (= 7 ~a21~0)) (not (= 7 ~a15~0))))) (and (not (and .cse0 (not (= ~a21~0 6)))) (not (and (or (< ~a12~0 600000) .cse1 (not (= ~a15~0 9))) .cse0)))))) [2024-11-25 04:56:33,236 INFO L77 FloydHoareUtils]: At program point L121-1(lines 30 882) the Hoare annotation is: (not (let ((.cse1 (not (= ~a24~0 1)))) (let ((.cse0 (or (< ~a12~0 12) .cse1 (< 80 ~a12~0) (not (= 7 ~a21~0)) (not (= 7 ~a15~0))))) (and (not (and .cse0 (not (= ~a21~0 6)))) (not (and (or (< ~a12~0 600000) .cse1 (not (= ~a15~0 9))) .cse0)))))) [2024-11-25 04:56:33,236 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 04:56:33,237 INFO L77 FloydHoareUtils]: At program point L124-1(lines 30 882) the Hoare annotation is: (not (let ((.cse1 (not (= ~a24~0 1)))) (let ((.cse0 (or (< ~a12~0 12) .cse1 (< 80 ~a12~0) (not (= 7 ~a21~0)) (not (= 7 ~a15~0))))) (and (not (and .cse0 (not (= ~a21~0 6)))) (not (and (or (< ~a12~0 600000) .cse1 (not (= ~a15~0 9))) .cse0)))))) [2024-11-25 04:56:33,237 INFO L75 FloydHoareUtils]: For program point L125(line 125) no Hoare annotation was computed. [2024-11-25 04:56:33,237 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 125) no Hoare annotation was computed. [2024-11-25 04:56:33,237 INFO L77 FloydHoareUtils]: At program point L884(lines 884 900) the Hoare annotation is: true [2024-11-25 04:56:33,237 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 04:56:33,237 INFO L77 FloydHoareUtils]: At program point L890-2(lines 890 899) the Hoare annotation is: (not (let ((.cse1 (not (= ~a24~0 1)))) (let ((.cse0 (or (< ~a12~0 12) .cse1 (< 80 ~a12~0) (not (= 7 ~a21~0)) (not (= 7 ~a15~0))))) (and (not (and .cse0 (not (= ~a21~0 6)))) (not (and (or (< ~a12~0 600000) .cse1 (not (= ~a15~0 9))) .cse0)))))) [2024-11-25 04:56:33,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:56:33 ImpRootNode [2024-11-25 04:56:33,260 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:56:33,261 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:56:33,261 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:56:33,261 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:56:33,265 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:52:27" (3/4) ... [2024-11-25 04:56:33,267 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 04:56:33,296 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 234 nodes and edges [2024-11-25 04:56:33,301 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-25 04:56:33,303 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 04:56:33,304 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 04:56:33,484 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbf1e40-ca1b-473a-acea-21c1eb56d72e/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:56:33,485 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbf1e40-ca1b-473a-acea-21c1eb56d72e/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:56:33,485 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:56:33,486 INFO L158 Benchmark]: Toolchain (without parser) took 252990.66ms. Allocated memory was 142.6MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 115.6MB in the beginning and 1.5GB in the end (delta: -1.3GB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-25 04:56:33,486 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 75.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:56:33,487 INFO L158 Benchmark]: CACSL2BoogieTranslator took 737.61ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 83.8MB in the end (delta: 31.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 04:56:33,487 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.64ms. Allocated memory is still 142.6MB. Free memory was 83.8MB in the beginning and 74.3MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:56:33,487 INFO L158 Benchmark]: Boogie Preprocessor took 68.19ms. Allocated memory is still 142.6MB. Free memory was 74.3MB in the beginning and 68.5MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:56:33,488 INFO L158 Benchmark]: RCFGBuilder took 6403.54ms. Allocated memory was 142.6MB in the beginning and 729.8MB in the end (delta: 587.2MB). Free memory was 68.5MB in the beginning and 367.9MB in the end (delta: -299.4MB). Peak memory consumption was 277.6MB. Max. memory is 16.1GB. [2024-11-25 04:56:33,488 INFO L158 Benchmark]: CodeCheck took 245445.88ms. Allocated memory was 729.8MB in the beginning and 2.7GB in the end (delta: 2.0GB). Free memory was 367.9MB in the beginning and 1.5GB in the end (delta: -1.1GB). Peak memory consumption was 869.5MB. Max. memory is 16.1GB. [2024-11-25 04:56:33,489 INFO L158 Benchmark]: Witness Printer took 223.69ms. Allocated memory is still 2.7GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:56:33,491 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 244.3s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 185 SdHoareTripleChecker+Valid, 4.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 160 mSDsluCounter, 173 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 102 mSDsCounter, 89 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 491 IncrementalHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 89 mSolverCounterUnsat, 71 mSDtfsCounter, 491 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 665 GetRequests, 550 SyntacticMatches, 13 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4918 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 236.8s InterpolantComputationTime, 65 NumberOfCodeBlocks, 65 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 60 ConstructedInterpolants, 0 QuantifiedInterpolants, 902 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 1 PerfectInterpolantSequences, 0/70 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: 125]: 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: 30]: Location Invariant Derived location invariant: !(!((((((a12 < 12) || (a24 != 1)) || (80 < a12)) || (7 != a21)) || (7 != a15)) && (a21 != 6)) && !((((a12 < 600000) || (a24 != 1)) || (a15 != 9)) && (((((a12 < 12) || (a24 != 1)) || (80 < a12)) || (7 != a21)) || (7 != a15)))) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: !(!((((((a12 < 12) || (a24 != 1)) || (80 < a12)) || (7 != a21)) || (7 != a15)) && (a21 != 6)) && !((((a12 < 600000) || (a24 != 1)) || (a15 != 9)) && (((((a12 < 12) || (a24 != 1)) || (80 < a12)) || (7 != a21)) || (7 != a15)))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory was 75.4MB in the beginning and 75.4MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 737.61ms. Allocated memory is still 142.6MB. Free memory was 115.4MB in the beginning and 83.8MB in the end (delta: 31.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.64ms. Allocated memory is still 142.6MB. Free memory was 83.8MB in the beginning and 74.3MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 68.19ms. Allocated memory is still 142.6MB. Free memory was 74.3MB in the beginning and 68.5MB in the end (delta: 5.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 6403.54ms. Allocated memory was 142.6MB in the beginning and 729.8MB in the end (delta: 587.2MB). Free memory was 68.5MB in the beginning and 367.9MB in the end (delta: -299.4MB). Peak memory consumption was 277.6MB. Max. memory is 16.1GB. * CodeCheck took 245445.88ms. Allocated memory was 729.8MB in the beginning and 2.7GB in the end (delta: 2.0GB). Free memory was 367.9MB in the beginning and 1.5GB in the end (delta: -1.1GB). Peak memory consumption was 869.5MB. Max. memory is 16.1GB. * Witness Printer took 223.69ms. Allocated memory is still 2.7GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 04:56:33,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fbbf1e40-ca1b-473a-acea-21c1eb56d72e/bin/ukojak-verify-ENZ3QT5qd3/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