./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound2.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_07525a75-842e-4b93-9acf-6aaf09e7cd13/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07525a75-842e-4b93-9acf-6aaf09e7cd13/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_07525a75-842e-4b93-9acf-6aaf09e7cd13/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07525a75-842e-4b93-9acf-6aaf09e7cd13/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07525a75-842e-4b93-9acf-6aaf09e7cd13/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_07525a75-842e-4b93-9acf-6aaf09e7cd13/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 e090762371efa1a10feb6b828109be17ddc5665dc90c03c64afd7f0f5af02942 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:09:14,824 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:09:14,879 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07525a75-842e-4b93-9acf-6aaf09e7cd13/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:09:14,883 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:09:14,883 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:09:14,902 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:09:14,903 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:09:14,903 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:09:14,904 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:09:14,904 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:09:14,904 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:09:14,905 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:09:14,905 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:09:14,905 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:09:14,905 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:09:14,905 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:09:14,905 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:09:14,905 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:09:14,905 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:09:14,905 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:09:14,905 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:09:14,905 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:09:14,905 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:09:14,906 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:09:14,906 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:09:14,906 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:09:14,906 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:09:14,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:09:14,906 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:09:14,906 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:09:14,906 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:09:14,906 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:09:14,906 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:09:14,906 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_07525a75-842e-4b93-9acf-6aaf09e7cd13/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 -> e090762371efa1a10feb6b828109be17ddc5665dc90c03c64afd7f0f5af02942 [2024-12-06 03:09:15,142 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:09:15,150 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:09:15,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:09:15,153 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:09:15,153 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:09:15,154 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07525a75-842e-4b93-9acf-6aaf09e7cd13/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound2.c [2024-12-06 03:09:17,770 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07525a75-842e-4b93-9acf-6aaf09e7cd13/bin/ukojak-verify-CZk0znPC7b/data/822539884/59d2135873c2475fb46237c049376ed6/FLAGd859111c9 [2024-12-06 03:09:17,949 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:09:17,949 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07525a75-842e-4b93-9acf-6aaf09e7cd13/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound2.c [2024-12-06 03:09:17,956 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07525a75-842e-4b93-9acf-6aaf09e7cd13/bin/ukojak-verify-CZk0znPC7b/data/822539884/59d2135873c2475fb46237c049376ed6/FLAGd859111c9 [2024-12-06 03:09:17,970 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07525a75-842e-4b93-9acf-6aaf09e7cd13/bin/ukojak-verify-CZk0znPC7b/data/822539884/59d2135873c2475fb46237c049376ed6 [2024-12-06 03:09:17,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:09:17,973 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:09:17,974 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:09:17,975 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:09:17,978 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:09:17,978 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:09:17" (1/1) ... [2024-12-06 03:09:17,979 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ad798c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:17, skipping insertion in model container [2024-12-06 03:09:17,979 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:09:17" (1/1) ... [2024-12-06 03:09:17,989 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:09:18,090 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_07525a75-842e-4b93-9acf-6aaf09e7cd13/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound2.c[546,559] [2024-12-06 03:09:18,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:09:18,110 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:09:18,118 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_07525a75-842e-4b93-9acf-6aaf09e7cd13/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound2.c[546,559] [2024-12-06 03:09:18,122 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:09:18,133 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:09:18,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:18 WrapperNode [2024-12-06 03:09:18,133 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:09:18,134 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:09:18,134 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:09:18,134 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:09:18,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:18" (1/1) ... [2024-12-06 03:09:18,144 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:18" (1/1) ... [2024-12-06 03:09:18,155 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 45 [2024-12-06 03:09:18,155 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:09:18,156 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:09:18,156 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:09:18,156 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:09:18,160 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:18" (1/1) ... [2024-12-06 03:09:18,161 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:18" (1/1) ... [2024-12-06 03:09:18,162 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:18" (1/1) ... [2024-12-06 03:09:18,162 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:18" (1/1) ... [2024-12-06 03:09:18,164 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:18" (1/1) ... [2024-12-06 03:09:18,165 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:18" (1/1) ... [2024-12-06 03:09:18,167 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:18" (1/1) ... [2024-12-06 03:09:18,168 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:18" (1/1) ... [2024-12-06 03:09:18,168 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:18" (1/1) ... [2024-12-06 03:09:18,169 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:09:18,170 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:09:18,170 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:09:18,170 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:09:18,171 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:09:18" (1/1) ... [2024-12-06 03:09:18,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:09:18,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07525a75-842e-4b93-9acf-6aaf09e7cd13/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:09:18,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07525a75-842e-4b93-9acf-6aaf09e7cd13/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:09:18,198 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07525a75-842e-4b93-9acf-6aaf09e7cd13/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:09:18,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:09:18,217 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 03:09:18,217 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 03:09:18,217 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:09:18,217 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:09:18,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:09:18,217 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 03:09:18,217 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 03:09:18,260 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:09:18,262 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:09:18,377 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-06 03:09:18,377 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:09:18,401 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:09:18,402 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 03:09:18,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:09:18 BoogieIcfgContainer [2024-12-06 03:09:18,402 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:09:18,403 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:09:18,403 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:09:18,412 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:09:18,412 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:09:18" (1/1) ... [2024-12-06 03:09:18,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:09:18,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:18,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 20 states and 25 transitions. [2024-12-06 03:09:18,467 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 25 transitions. [2024-12-06 03:09:18,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 03:09:18,471 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:18,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:09:18,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:18,585 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 03:09:18,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:18,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2024-12-06 03:09:18,605 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2024-12-06 03:09:18,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-12-06 03:09:18,605 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:18,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:09:18,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:09:18,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:18,670 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 03:09:18,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:18,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 03:09:18,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:18,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 25 states and 33 transitions. [2024-12-06 03:09:18,836 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 33 transitions. [2024-12-06 03:09:18,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 03:09:18,837 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:18,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:09:18,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:18,951 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 03:09:19,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:19,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 36 transitions. [2024-12-06 03:09:19,158 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-12-06 03:09:19,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-12-06 03:09:19,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:19,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:09:19,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:19,492 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 03:09:19,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:19,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 29 states and 37 transitions. [2024-12-06 03:09:19,956 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 37 transitions. [2024-12-06 03:09:19,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-12-06 03:09:19,957 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:19,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:09:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:09:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:20,001 INFO L256 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 03:09:20,003 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:20,231 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 03:09:21,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:21,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 50 transitions. [2024-12-06 03:09:21,561 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 50 transitions. [2024-12-06 03:09:21,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 03:09:21,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:21,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:09:21,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:21,775 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 9 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 03:09:28,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:28,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 44 states and 66 transitions. [2024-12-06 03:09:28,396 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 66 transitions. [2024-12-06 03:09:28,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-06 03:09:28,396 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:09:28,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:09:28,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 03:09:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:09:28,455 INFO L256 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-06 03:09:28,457 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 03:09:29,006 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 03:09:36,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:09:36,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 24 states and 29 transitions. [2024-12-06 03:09:36,038 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 29 transitions. [2024-12-06 03:09:36,038 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 03:09:36,038 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-12-06 03:09:36,045 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 03:09:36,316 INFO L77 FloydHoareUtils]: At program point L35-2(lines 35 45) the Hoare annotation is: true [2024-12-06 03:09:36,317 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 03:09:36,317 INFO L77 FloydHoareUtils]: At program point L35-4(lines 35 45) the Hoare annotation is: true [2024-12-06 03:09:36,317 INFO L77 FloydHoareUtils]: At program point L35-5(lines 35 45) the Hoare annotation is: true [2024-12-06 03:09:36,317 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: true [2024-12-06 03:09:36,317 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 03:09:36,317 INFO L77 FloydHoareUtils]: At program point L36(lines 35 45) the Hoare annotation is: (= (mod (+ (* |ULTIMATE.start_main_~x~0#1| |ULTIMATE.start_main_~z~0#1|) (* 18446744073709551615 |ULTIMATE.start_main_~y~0#1|) (* 18446744073709551615 |ULTIMATE.start_main_~x~0#1|) 1) 18446744073709551616) 0) [2024-12-06 03:09:36,317 INFO L77 FloydHoareUtils]: At program point L28(line 28) the Hoare annotation is: (= ~counter~0 0) [2024-12-06 03:09:36,317 INFO L77 FloydHoareUtils]: At program point L28-1(line 28) the Hoare annotation is: (not (and (< |ULTIMATE.start_main_~z~0#1| 1) (= ~counter~0 0))) [2024-12-06 03:09:36,317 INFO L77 FloydHoareUtils]: At program point L49(line 49) the Hoare annotation is: true [2024-12-06 03:09:36,317 INFO L77 FloydHoareUtils]: At program point L49-1(line 49) the Hoare annotation is: true [2024-12-06 03:09:36,317 INFO L77 FloydHoareUtils]: At program point L35-1(lines 35 45) the Hoare annotation is: (not (and (= |ULTIMATE.start_main_#t~post6#1| 0) (= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~z~0#1|) (= |ULTIMATE.start_main_~x~0#1| 1) (< ~counter~0 1) (<= 1 |ULTIMATE.start_main_~z~0#1|))) [2024-12-06 03:09:36,318 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 12 14) the Hoare annotation is: true [2024-12-06 03:09:36,318 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 12 14) the Hoare annotation is: (not (= |assume_abort_if_not_#in~cond| 0)) [2024-12-06 03:09:36,318 INFO L77 FloydHoareUtils]: At program point L17(lines 17 18) the Hoare annotation is: true [2024-12-06 03:09:36,318 INFO L77 FloydHoareUtils]: At program point L16(lines 16 19) the Hoare annotation is: (or (and (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (<= 1 __VERIFIER_assert_~cond)) (= __VERIFIER_assert_~cond 0)) [2024-12-06 03:09:36,318 INFO L77 FloydHoareUtils]: At program point L16-2(lines 15 21) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-06 03:09:36,318 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 15 21) the Hoare annotation is: (not (= |__VERIFIER_assert_#in~cond| 0)) [2024-12-06 03:09:36,318 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 15 21) the Hoare annotation is: (not (and (not (= |__VERIFIER_assert_#in~cond| 0)) (< |__VERIFIER_assert_#in~cond| 1))) [2024-12-06 03:09:36,318 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 18) the Hoare annotation is: true [2024-12-06 03:09:36,329 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:09:36 ImpRootNode [2024-12-06 03:09:36,329 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:09:36,330 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:09:36,330 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:09:36,330 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:09:36,331 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:09:18" (3/4) ... [2024-12-06 03:09:36,333 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 03:09:36,336 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-06 03:09:36,336 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-12-06 03:09:36,339 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-12-06 03:09:36,339 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-06 03:09:36,339 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 03:09:36,339 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 03:09:36,403 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07525a75-842e-4b93-9acf-6aaf09e7cd13/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:09:36,403 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07525a75-842e-4b93-9acf-6aaf09e7cd13/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:09:36,403 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:09:36,404 INFO L158 Benchmark]: Toolchain (without parser) took 18430.30ms. Allocated memory is still 117.4MB. Free memory was 94.0MB in the beginning and 69.0MB in the end (delta: 25.0MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2024-12-06 03:09:36,404 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:09:36,404 INFO L158 Benchmark]: CACSL2BoogieTranslator took 159.14ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 82.6MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:09:36,405 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.38ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 81.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:09:36,405 INFO L158 Benchmark]: Boogie Preprocessor took 13.67ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.9MB in the end (delta: 575.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:09:36,405 INFO L158 Benchmark]: RCFGBuilder took 231.83ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 69.6MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 03:09:36,405 INFO L158 Benchmark]: CodeCheck took 17926.66ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 73.6MB in the end (delta: -4.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:09:36,406 INFO L158 Benchmark]: Witness Printer took 73.24ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 69.0MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:09:36,407 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, 20 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 17.6s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 366 SdHoareTripleChecker+Valid, 2.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 94 mSDsluCounter, 350 SdHoareTripleChecker+Invalid, 2.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 109 mSDsCounter, 230 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 637 IncrementalHoareTripleChecker+Invalid, 867 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 230 mSolverCounterUnsat, 241 mSDtfsCounter, 637 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1203 GetRequests, 1071 SyntacticMatches, 16 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4909 ImplicationChecksByTransitivity, 15.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 147 NumberOfCodeBlocks, 147 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 140 ConstructedInterpolants, 1 QuantifiedInterpolants, 515 SizeOfPredicates, 3 NumberOfNonLiveVariables, 242 ConjunctsInSsa, 49 ConjunctsInUnsatCore, 7 InterpolantComputations, 3 PerfectInterpolantSequences, 35/55 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: 18]: 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: 12]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: ((cond != 0) && (counter == \old(counter))) - ProcedureContractResult [Line: 15]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((0 < cond) || (cond == 0)) Ensures: ((cond != 0) && (counter == \old(counter))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 159.14ms. Allocated memory is still 117.4MB. Free memory was 93.7MB in the beginning and 82.6MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.38ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 81.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 13.67ms. Allocated memory is still 117.4MB. Free memory was 81.5MB in the beginning and 80.9MB in the end (delta: 575.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 231.83ms. Allocated memory is still 117.4MB. Free memory was 80.9MB in the beginning and 69.6MB in the end (delta: 11.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 17926.66ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 73.6MB in the end (delta: -4.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 73.24ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 69.0MB in the end (delta: 4.5MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 03:09:36,423 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_07525a75-842e-4b93-9acf-6aaf09e7cd13/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