./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound1.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_0d258d04-b947-4a90-a018-135a9715c82c/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d258d04-b947-4a90-a018-135a9715c82c/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_0d258d04-b947-4a90-a018-135a9715c82c/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d258d04-b947-4a90-a018-135a9715c82c/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d258d04-b947-4a90-a018-135a9715c82c/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_0d258d04-b947-4a90-a018-135a9715c82c/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 87608ec580cc80a59c7836f9aeadd0fc773dea5ebb620dd020651936daa4e397 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:57:15,887 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:57:15,960 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d258d04-b947-4a90-a018-135a9715c82c/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:57:15,965 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:57:15,969 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:57:15,992 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:57:15,993 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:57:15,993 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:57:15,994 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:57:15,994 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:57:15,994 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:57:15,994 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:57:15,995 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:57:15,995 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:57:15,995 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:57:15,995 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:57:15,995 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:57:15,995 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:57:15,995 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:57:15,995 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:57:15,996 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:57:15,996 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:57:15,996 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:57:15,996 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:57:15,996 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:57:15,996 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:57:15,996 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:57:15,996 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:57:15,996 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:57:15,997 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:57:15,997 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:57:15,997 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:57:15,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:57:15,997 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_0d258d04-b947-4a90-a018-135a9715c82c/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 -> 87608ec580cc80a59c7836f9aeadd0fc773dea5ebb620dd020651936daa4e397 [2024-11-25 03:57:16,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:57:16,361 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:57:16,363 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:57:16,366 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:57:16,367 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:57:16,370 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d258d04-b947-4a90-a018-135a9715c82c/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound1.c [2024-11-25 03:57:19,473 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d258d04-b947-4a90-a018-135a9715c82c/bin/ukojak-verify-ENZ3QT5qd3/data/271608833/bd142290f5b545e19c8d1a696eca8ada/FLAG795ca3757 [2024-11-25 03:57:19,769 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:57:19,769 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d258d04-b947-4a90-a018-135a9715c82c/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound1.c [2024-11-25 03:57:19,781 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d258d04-b947-4a90-a018-135a9715c82c/bin/ukojak-verify-ENZ3QT5qd3/data/271608833/bd142290f5b545e19c8d1a696eca8ada/FLAG795ca3757 [2024-11-25 03:57:19,809 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d258d04-b947-4a90-a018-135a9715c82c/bin/ukojak-verify-ENZ3QT5qd3/data/271608833/bd142290f5b545e19c8d1a696eca8ada [2024-11-25 03:57:19,812 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:57:19,815 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:57:19,817 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:57:19,817 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:57:19,823 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:57:19,825 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:57:19" (1/1) ... [2024-11-25 03:57:19,826 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ddea010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:57:19, skipping insertion in model container [2024-11-25 03:57:19,829 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:57:19" (1/1) ... [2024-11-25 03:57:19,847 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:57:20,026 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_0d258d04-b947-4a90-a018-135a9715c82c/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound1.c[458,471] [2024-11-25 03:57:20,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:57:20,067 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:57:20,078 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_0d258d04-b947-4a90-a018-135a9715c82c/sv-benchmarks/c/nla-digbench-scaling/ps6-ll_valuebound1.c[458,471] [2024-11-25 03:57:20,097 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:57:20,116 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:57:20,117 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:57:20 WrapperNode [2024-11-25 03:57:20,118 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:57:20,119 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:57:20,119 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:57:20,119 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:57:20,126 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:57:20" (1/1) ... [2024-11-25 03:57:20,133 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:57:20" (1/1) ... [2024-11-25 03:57:20,151 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 35 [2024-11-25 03:57:20,152 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:57:20,152 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:57:20,153 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:57:20,153 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:57:20,161 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:57:20" (1/1) ... [2024-11-25 03:57:20,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:57:20" (1/1) ... [2024-11-25 03:57:20,162 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:57:20" (1/1) ... [2024-11-25 03:57:20,166 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:57:20" (1/1) ... [2024-11-25 03:57:20,168 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:57:20" (1/1) ... [2024-11-25 03:57:20,169 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:57:20" (1/1) ... [2024-11-25 03:57:20,175 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:57:20" (1/1) ... [2024-11-25 03:57:20,180 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:57:20" (1/1) ... [2024-11-25 03:57:20,180 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:57:20" (1/1) ... [2024-11-25 03:57:20,182 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:57:20,185 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:57:20,185 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:57:20,185 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:57:20,187 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:57:20" (1/1) ... [2024-11-25 03:57:20,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:57:20,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d258d04-b947-4a90-a018-135a9715c82c/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:57:20,224 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d258d04-b947-4a90-a018-135a9715c82c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:57:20,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d258d04-b947-4a90-a018-135a9715c82c/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:57:20,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:57:20,262 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 03:57:20,262 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 03:57:20,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:57:20,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:57:20,263 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:57:20,263 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 03:57:20,263 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 03:57:20,329 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:57:20,331 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:57:20,473 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-25 03:57:20,473 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:57:20,501 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:57:20,502 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:57:20,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:57:20 BoogieIcfgContainer [2024-11-25 03:57:20,502 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:57:20,503 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:57:20,503 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:57:20,514 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:57:20,515 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:57:20" (1/1) ... [2024-11-25 03:57:20,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:57:20,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:20,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 23 transitions. [2024-11-25 03:57:20,592 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 23 transitions. [2024-11-25 03:57:20,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 03:57:20,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:20,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:57:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:57:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:20,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 03:57:20,802 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:57:20,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 03:57:21,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:21,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 21 states and 29 transitions. [2024-11-25 03:57:21,102 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 29 transitions. [2024-11-25 03:57:21,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 03:57:21,104 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:21,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:57:21,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:21,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 03:57:22,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:22,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-11-25 03:57:22,101 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-11-25 03:57:22,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-25 03:57:22,101 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:22,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:57:22,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:57:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:22,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-25 03:57:22,183 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:57:22,340 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 03:57:22,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:22,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 23 states and 31 transitions. [2024-11-25 03:57:22,733 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 31 transitions. [2024-11-25 03:57:22,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-25 03:57:22,734 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:22,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:57:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:57:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:22,776 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 03:57:22,777 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:57:22,827 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 03:57:22,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:22,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 25 states and 35 transitions. [2024-11-25 03:57:22,914 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 35 transitions. [2024-11-25 03:57:22,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-25 03:57:22,915 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:22,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:57:22,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:23,284 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-25 03:57:24,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:24,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 24 states and 30 transitions. [2024-11-25 03:57:24,186 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2024-11-25 03:57:24,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-25 03:57:24,187 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:57:24,187 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:57:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-25 03:57:24,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:57:24,229 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 03:57:24,231 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 03:57:24,445 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-11-25 03:57:25,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:57:25,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 20 states and 26 transitions. [2024-11-25 03:57:25,500 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 26 transitions. [2024-11-25 03:57:25,500 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 03:57:25,501 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-25 03:57:25,514 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 03:57:25,737 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 03:57:25,737 INFO L77 FloydHoareUtils]: At program point L29(lines 28 37) the Hoare annotation is: (= (+ (* 6 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* 2 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* 5 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (+ (* |ULTIMATE.start_main_~x~0#1| 12) (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) [2024-11-25 03:57:25,738 INFO L77 FloydHoareUtils]: At program point L21(line 21) the Hoare annotation is: true [2024-11-25 03:57:25,738 INFO L77 FloydHoareUtils]: At program point L21-1(line 21) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_main_~k~0#1|) (<= |ULTIMATE.start_main_~k~0#1| 1)) [2024-11-25 03:57:25,738 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 03:57:25,738 INFO L77 FloydHoareUtils]: At program point L40(line 40) the Hoare annotation is: true [2024-11-25 03:57:25,738 INFO L77 FloydHoareUtils]: At program point L28-2(lines 28 37) the Hoare annotation is: true [2024-11-25 03:57:25,738 INFO L77 FloydHoareUtils]: At program point L28-3(lines 28 37) the Hoare annotation is: (= (+ (* 6 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* 2 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|)) (* 5 (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) (+ (* |ULTIMATE.start_main_~x~0#1| 12) (* |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~y~0#1|))) [2024-11-25 03:57:25,738 INFO L77 FloydHoareUtils]: At program point L22(line 22) the Hoare annotation is: true [2024-11-25 03:57:25,739 INFO L77 FloydHoareUtils]: At program point L39(line 39) the Hoare annotation is: true [2024-11-25 03:57:25,739 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 6 8) the Hoare annotation is: true [2024-11-25 03:57:25,739 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 6 8) the Hoare annotation is: (not (= |assume_abort_if_not_#in~cond| 0)) [2024-11-25 03:57:25,739 INFO L77 FloydHoareUtils]: At program point L11(lines 11 12) the Hoare annotation is: true [2024-11-25 03:57:25,739 INFO L77 FloydHoareUtils]: At program point L10(lines 10 13) the Hoare annotation is: (or (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 1 __VERIFIER_assert_~cond)) (= __VERIFIER_assert_~cond 0)) [2024-11-25 03:57:25,739 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-25 03:57:25,740 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 9 15) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (< |__VERIFIER_assert_#in~cond| 1))) [2024-11-25 03:57:25,740 INFO L77 FloydHoareUtils]: At program point L10-2(lines 9 15) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-11-25 03:57:25,740 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) the Hoare annotation is: true [2024-11-25 03:57:25,754 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:57:25 ImpRootNode [2024-11-25 03:57:25,754 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:57:25,755 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:57:25,755 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:57:25,755 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:57:25,756 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:57:20" (3/4) ... [2024-11-25 03:57:25,758 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 03:57:25,762 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-25 03:57:25,762 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-25 03:57:25,766 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-25 03:57:25,766 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-25 03:57:25,766 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 03:57:25,766 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 03:57:25,841 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d258d04-b947-4a90-a018-135a9715c82c/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:57:25,842 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d258d04-b947-4a90-a018-135a9715c82c/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:57:25,842 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:57:25,843 INFO L158 Benchmark]: Toolchain (without parser) took 6027.79ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 119.4MB in the beginning and 313.7MB in the end (delta: -194.3MB). Peak memory consumption was 88.0MB. Max. memory is 16.1GB. [2024-11-25 03:57:25,843 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:57:25,844 INFO L158 Benchmark]: CACSL2BoogieTranslator took 301.40ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 108.0MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:57:25,844 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.33ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 106.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:57:25,845 INFO L158 Benchmark]: Boogie Preprocessor took 31.83ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 106.2MB in the end (delta: 513.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:57:25,845 INFO L158 Benchmark]: RCFGBuilder took 317.69ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 94.3MB in the end (delta: 11.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:57:25,846 INFO L158 Benchmark]: CodeCheck took 5251.11ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 94.3MB in the beginning and 317.4MB in the end (delta: -223.1MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. [2024-11-25 03:57:25,846 INFO L158 Benchmark]: Witness Printer took 87.12ms. Allocated memory is still 427.8MB. Free memory was 317.4MB in the beginning and 313.7MB in the end (delta: 3.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:57:25,848 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 18 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.0s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 194 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 34 mSDsluCounter, 118 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 34 mSDsCounter, 208 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 506 IncrementalHoareTripleChecker+Invalid, 714 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 208 mSolverCounterUnsat, 84 mSDtfsCounter, 506 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 961 GetRequests, 878 SyntacticMatches, 11 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1797 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 124 NumberOfCodeBlocks, 124 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 118 ConstructedInterpolants, 0 QuantifiedInterpolants, 345 SizeOfPredicates, 4 NumberOfNonLiveVariables, 270 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 49/57 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: 12]: 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 - ProcedureContractResult [Line: 6]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (cond != 0) - ProcedureContractResult [Line: 9]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((0 < cond) || (cond == 0)) Ensures: (cond != 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 142.6MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 301.40ms. Allocated memory is still 142.6MB. Free memory was 119.4MB in the beginning and 108.0MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.33ms. Allocated memory is still 142.6MB. Free memory was 108.0MB in the beginning and 106.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 31.83ms. Allocated memory is still 142.6MB. Free memory was 106.8MB in the beginning and 106.2MB in the end (delta: 513.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 317.69ms. Allocated memory is still 142.6MB. Free memory was 106.0MB in the beginning and 94.3MB in the end (delta: 11.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 5251.11ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 94.3MB in the beginning and 317.4MB in the end (delta: -223.1MB). Peak memory consumption was 62.8MB. Max. memory is 16.1GB. * Witness Printer took 87.12ms. Allocated memory is still 427.8MB. Free memory was 317.4MB in the beginning and 313.7MB 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 03:57:25,867 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0d258d04-b947-4a90-a018-135a9715c82c/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