./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops-crafted-1/nested5-1.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_d743f418-eac3-4d31-863a-54d5ac5ceab6/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d743f418-eac3-4d31-863a-54d5ac5ceab6/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d743f418-eac3-4d31-863a-54d5ac5ceab6/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d743f418-eac3-4d31-863a-54d5ac5ceab6/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/loops-crafted-1/nested5-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d743f418-eac3-4d31-863a-54d5ac5ceab6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d743f418-eac3-4d31-863a-54d5ac5ceab6/bin/ukojak-verify-CZk0znPC7b --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 b89d5a1db28cdbe10153d7e75038bff16b1343640a8d05a90f6e5bdf82eae94a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:55:11,406 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:55:11,464 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d743f418-eac3-4d31-863a-54d5ac5ceab6/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 21:55:11,469 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:55:11,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:55:11,489 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:55:11,490 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:55:11,490 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:55:11,491 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:55:11,491 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:55:11,491 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:55:11,491 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:55:11,491 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:55:11,491 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:55:11,491 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:55:11,491 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:55:11,492 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:55:11,492 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:55:11,492 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:55:11,492 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:55:11,492 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:55:11,492 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:55:11,492 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:55:11,492 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:55:11,492 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:55:11,492 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:55:11,492 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:55:11,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:55:11,493 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:55:11,493 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:55:11,493 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:55:11,493 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:55:11,493 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:55:11,493 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_d743f418-eac3-4d31-863a-54d5ac5ceab6/bin/ukojak-verify-CZk0znPC7b 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 -> b89d5a1db28cdbe10153d7e75038bff16b1343640a8d05a90f6e5bdf82eae94a [2024-12-05 21:55:11,724 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:55:11,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:55:11,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:55:11,736 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:55:11,736 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:55:11,737 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d743f418-eac3-4d31-863a-54d5ac5ceab6/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/loops-crafted-1/nested5-1.c [2024-12-05 21:55:14,397 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d743f418-eac3-4d31-863a-54d5ac5ceab6/bin/ukojak-verify-CZk0znPC7b/data/60e78e59d/43cbb1ff54e4457194d573fb8db5d15f/FLAG42ec16b6f [2024-12-05 21:55:14,573 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:55:14,573 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d743f418-eac3-4d31-863a-54d5ac5ceab6/sv-benchmarks/c/loops-crafted-1/nested5-1.c [2024-12-05 21:55:14,585 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d743f418-eac3-4d31-863a-54d5ac5ceab6/bin/ukojak-verify-CZk0znPC7b/data/60e78e59d/43cbb1ff54e4457194d573fb8db5d15f/FLAG42ec16b6f [2024-12-05 21:55:14,600 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d743f418-eac3-4d31-863a-54d5ac5ceab6/bin/ukojak-verify-CZk0znPC7b/data/60e78e59d/43cbb1ff54e4457194d573fb8db5d15f [2024-12-05 21:55:14,602 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:55:14,604 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:55:14,605 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:55:14,605 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:55:14,609 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:55:14,609 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:55:14" (1/1) ... [2024-12-05 21:55:14,610 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42022e7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:14, skipping insertion in model container [2024-12-05 21:55:14,610 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:55:14" (1/1) ... [2024-12-05 21:55:14,622 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:55:14,755 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_d743f418-eac3-4d31-863a-54d5ac5ceab6/sv-benchmarks/c/loops-crafted-1/nested5-1.c[321,334] [2024-12-05 21:55:14,770 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:55:14,779 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:55:14,788 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_d743f418-eac3-4d31-863a-54d5ac5ceab6/sv-benchmarks/c/loops-crafted-1/nested5-1.c[321,334] [2024-12-05 21:55:14,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:55:14,806 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:55:14,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:14 WrapperNode [2024-12-05 21:55:14,807 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:55:14,808 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:55:14,808 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:55:14,808 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:55:14,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:14" (1/1) ... [2024-12-05 21:55:14,821 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:14" (1/1) ... [2024-12-05 21:55:14,836 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 58 [2024-12-05 21:55:14,837 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:55:14,837 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:55:14,837 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:55:14,837 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:55:14,844 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:14" (1/1) ... [2024-12-05 21:55:14,844 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:14" (1/1) ... [2024-12-05 21:55:14,845 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:14" (1/1) ... [2024-12-05 21:55:14,845 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:14" (1/1) ... [2024-12-05 21:55:14,848 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:14" (1/1) ... [2024-12-05 21:55:14,848 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:14" (1/1) ... [2024-12-05 21:55:14,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:14" (1/1) ... [2024-12-05 21:55:14,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:14" (1/1) ... [2024-12-05 21:55:14,853 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:14" (1/1) ... [2024-12-05 21:55:14,855 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:55:14,855 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:55:14,855 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:55:14,855 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:55:14,856 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:55:14" (1/1) ... [2024-12-05 21:55:14,861 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:55:14,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d743f418-eac3-4d31-863a-54d5ac5ceab6/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:55:14,883 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d743f418-eac3-4d31-863a-54d5ac5ceab6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:55:14,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d743f418-eac3-4d31-863a-54d5ac5ceab6/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:55:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:55:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:55:14,910 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:55:14,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:55:14,963 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:55:14,965 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:55:15,089 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-12-05 21:55:15,089 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:55:15,134 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:55:15,134 INFO L312 CfgBuilder]: Removed 5 assume(true) statements. [2024-12-05 21:55:15,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:55:15 BoogieIcfgContainer [2024-12-05 21:55:15,134 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:55:15,135 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:55:15,135 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:55:15,143 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:55:15,143 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:55:15" (1/1) ... [2024-12-05 21:55:15,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:55:15,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:55:15,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 11 states and 16 transitions. [2024-12-05 21:55:15,197 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 16 transitions. [2024-12-05 21:55:15,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-05 21:55:15,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:55:15,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:55:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:55:15,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:55:15,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:55:15,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2024-12-05 21:55:15,421 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2024-12-05 21:55:15,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 21:55:15,421 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:55:15,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:55:15,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:55:15,540 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:55:15,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:55:15,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 13 states and 17 transitions. [2024-12-05 21:55:15,595 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 17 transitions. [2024-12-05 21:55:15,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-05 21:55:15,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:55:15,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:55:15,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:55:15,705 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:55:15,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:55:15,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 14 states and 18 transitions. [2024-12-05 21:55:15,780 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 18 transitions. [2024-12-05 21:55:15,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 21:55:15,780 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:55:15,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:55:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:55:15,904 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:55:15,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:55:15,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-12-05 21:55:15,977 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-12-05 21:55:15,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 21:55:15,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:55:15,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:55:15,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:55:16,095 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:55:16,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:55:16,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2024-12-05 21:55:16,171 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2024-12-05 21:55:16,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 21:55:16,171 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:55:16,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:55:16,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:55:16,290 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:55:16,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:55:16,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2024-12-05 21:55:16,370 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2024-12-05 21:55:16,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-05 21:55:16,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:55:16,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:55:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:55:16,506 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:55:16,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:55:16,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2024-12-05 21:55:16,586 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2024-12-05 21:55:16,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-05 21:55:16,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:55:16,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:55:16,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:55:16,729 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:55:16,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:55:16,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2024-12-05 21:55:16,813 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2024-12-05 21:55:16,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-05 21:55:16,814 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:55:16,814 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:55:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:55:16,987 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:55:17,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:55:17,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2024-12-05 21:55:17,074 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2024-12-05 21:55:17,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 21:55:17,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:55:17,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:55:17,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:55:17,278 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:55:17,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:55:17,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 21 states and 25 transitions. [2024-12-05 21:55:17,371 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2024-12-05 21:55:17,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-05 21:55:17,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:55:17,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:55:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:55:17,621 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:55:17,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:55:17,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2024-12-05 21:55:17,757 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-12-05 21:55:17,758 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 21:55:17,758 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2024-12-05 21:55:17,766 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-05 21:55:17,890 INFO L77 FloydHoareUtils]: At program point L23-3(line 23) the Hoare annotation is: (not (and (not (and (<= (div |ULTIMATE.start_main_~v~0#1| 4) 2) (<= 10 |ULTIMATE.start_main_~v~0#1|))) (not (and (<= 0 (div |ULTIMATE.start_main_~v~0#1| 4294967296)) (<= |ULTIMATE.start_main_~v~0#1| 9))))) [2024-12-05 21:55:17,890 INFO L77 FloydHoareUtils]: At program point L19-3(lines 19 25) the Hoare annotation is: true [2024-12-05 21:55:17,890 INFO L75 FloydHoareUtils]: For program point L7(line 7) no Hoare annotation was computed. [2024-12-05 21:55:17,890 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 7) no Hoare annotation was computed. [2024-12-05 21:55:17,891 INFO L77 FloydHoareUtils]: At program point L20-3(lines 20 25) the Hoare annotation is: true [2024-12-05 21:55:17,891 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 21:55:17,891 INFO L77 FloydHoareUtils]: At program point L21-3(lines 21 25) the Hoare annotation is: true [2024-12-05 21:55:17,891 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 21:55:17,891 INFO L77 FloydHoareUtils]: At program point L22-3(lines 22 25) the Hoare annotation is: true [2024-12-05 21:55:17,891 INFO L77 FloydHoareUtils]: At program point L6(lines 6 8) the Hoare annotation is: (or (< 1 |ULTIMATE.start___VERIFIER_assert_~cond#1|) (< (+ |ULTIMATE.start___VERIFIER_assert_~cond#1| 1) 0)) [2024-12-05 21:55:17,891 INFO L77 FloydHoareUtils]: At program point L6-2(lines 5 10) the Hoare annotation is: true [2024-12-05 21:55:17,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:55:17 ImpRootNode [2024-12-05 21:55:17,900 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:55:17,900 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:55:17,900 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:55:17,900 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:55:17,901 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:55:15" (3/4) ... [2024-12-05 21:55:17,903 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 21:55:17,908 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2024-12-05 21:55:17,908 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-05 21:55:17,909 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-05 21:55:17,909 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 21:55:17,980 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d743f418-eac3-4d31-863a-54d5ac5ceab6/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 21:55:17,980 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d743f418-eac3-4d31-863a-54d5ac5ceab6/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 21:55:17,980 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:55:17,981 INFO L158 Benchmark]: Toolchain (without parser) took 3377.14ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 112.9MB in the end (delta: 5.2MB). Peak memory consumption was 79.5MB. Max. memory is 16.1GB. [2024-12-05 21:55:17,981 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:55:17,982 INFO L158 Benchmark]: CACSL2BoogieTranslator took 201.80ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 106.9MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:55:17,982 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.92ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 105.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:55:17,982 INFO L158 Benchmark]: Boogie Preprocessor took 17.57ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 105.0MB in the end (delta: 842.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:55:17,982 INFO L158 Benchmark]: RCFGBuilder took 279.11ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 92.0MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 21:55:17,983 INFO L158 Benchmark]: CodeCheck took 2765.06ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 42.5MB in the end (delta: 49.5MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. [2024-12-05 21:55:17,983 INFO L158 Benchmark]: Witness Printer took 80.01ms. Allocated memory is still 142.6MB. Free memory was 42.5MB in the beginning and 112.9MB in the end (delta: -70.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:55:17,985 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, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 263 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 44 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 266 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 369 IncrementalHoareTripleChecker+Invalid, 635 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 266 mSolverCounterUnsat, 44 mSDtfsCounter, 369 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1060 GetRequests, 926 SyntacticMatches, 90 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1751 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 132 ConstructedInterpolants, 0 QuantifiedInterpolants, 566 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 0/220 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: 7]: 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: 23]: Loop Invariant Derived loop invariant: !(!(((v / 4) <= 2) && (10 <= v)) && !((0 <= 0) && (v <= 9))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 201.80ms. Allocated memory is still 142.6MB. Free memory was 117.9MB in the beginning and 106.9MB in the end (delta: 11.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.92ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 105.9MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.57ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 105.0MB in the end (delta: 842.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 279.11ms. Allocated memory is still 142.6MB. Free memory was 105.0MB in the beginning and 92.0MB in the end (delta: 13.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 2765.06ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 42.5MB in the end (delta: 49.5MB). Peak memory consumption was 45.9MB. Max. memory is 16.1GB. * Witness Printer took 80.01ms. Allocated memory is still 142.6MB. Free memory was 42.5MB in the beginning and 112.9MB in the end (delta: -70.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 21:55:17,997 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d743f418-eac3-4d31-863a-54d5ac5ceab6/bin/ukojak-verify-CZk0znPC7b/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