./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec3f7c6-a8f0-4ecd-95fc-fc6dc2699a4e/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec3f7c6-a8f0-4ecd-95fc-fc6dc2699a4e/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_2ec3f7c6-a8f0-4ecd-95fc-fc6dc2699a4e/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec3f7c6-a8f0-4ecd-95fc-fc6dc2699a4e/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec3f7c6-a8f0-4ecd-95fc-fc6dc2699a4e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec3f7c6-a8f0-4ecd-95fc-fc6dc2699a4e/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ec7fba62572c0b12988e9924402f62a8f118eea2a4d153b643b4f38de10f6346 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 21:47:55,378 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 21:47:55,432 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec3f7c6-a8f0-4ecd-95fc-fc6dc2699a4e/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-05 21:47:55,437 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 21:47:55,437 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 21:47:55,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 21:47:55,456 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 21:47:55,456 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 21:47:55,456 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 21:47:55,456 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 21:47:55,456 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 21:47:55,456 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 21:47:55,457 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 21:47:55,457 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 21:47:55,457 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 21:47:55,457 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 21:47:55,457 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 21:47:55,457 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 21:47:55,457 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 21:47:55,457 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-05 21:47:55,457 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 21:47:55,457 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 21:47:55,457 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 21:47:55,457 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 21:47:55,457 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 21:47:55,458 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 21:47:55,458 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 21:47:55,458 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 21:47:55,458 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 21:47:55,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:47:55,458 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 21:47:55,458 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 21:47:55,458 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 21:47:55,458 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 21:47:55,458 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 21:47:55,458 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_2ec3f7c6-a8f0-4ecd-95fc-fc6dc2699a4e/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 ! overflow) ) 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 -> ec7fba62572c0b12988e9924402f62a8f118eea2a4d153b643b4f38de10f6346 [2024-12-05 21:47:55,689 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 21:47:55,698 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 21:47:55,700 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 21:47:55,701 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 21:47:55,701 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 21:47:55,702 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec3f7c6-a8f0-4ecd-95fc-fc6dc2699a4e/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c [2024-12-05 21:47:58,394 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec3f7c6-a8f0-4ecd-95fc-fc6dc2699a4e/bin/ukojak-verify-CZk0znPC7b/data/69467cbbb/8e6e0143daa9471ca31f79d744c4d445/FLAGcaaf83b38 [2024-12-05 21:47:58,594 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 21:47:58,595 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec3f7c6-a8f0-4ecd-95fc-fc6dc2699a4e/sv-benchmarks/c/nla-digbench-scaling/geo2-ll_unwindbound1.c [2024-12-05 21:47:58,600 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec3f7c6-a8f0-4ecd-95fc-fc6dc2699a4e/bin/ukojak-verify-CZk0znPC7b/data/69467cbbb/8e6e0143daa9471ca31f79d744c4d445/FLAGcaaf83b38 [2024-12-05 21:47:58,611 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec3f7c6-a8f0-4ecd-95fc-fc6dc2699a4e/bin/ukojak-verify-CZk0znPC7b/data/69467cbbb/8e6e0143daa9471ca31f79d744c4d445 [2024-12-05 21:47:58,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 21:47:58,614 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 21:47:58,615 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 21:47:58,615 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 21:47:58,618 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 21:47:58,619 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:47:58" (1/1) ... [2024-12-05 21:47:58,619 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4956b571 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:47:58, skipping insertion in model container [2024-12-05 21:47:58,620 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:47:58" (1/1) ... [2024-12-05 21:47:58,629 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 21:47:58,769 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:47:58,778 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 21:47:58,793 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 21:47:58,807 INFO L204 MainTranslator]: Completed translation [2024-12-05 21:47:58,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:47:58 WrapperNode [2024-12-05 21:47:58,807 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 21:47:58,808 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 21:47:58,808 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 21:47:58,808 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 21:47:58,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:47:58" (1/1) ... [2024-12-05 21:47:58,821 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:47:58" (1/1) ... [2024-12-05 21:47:58,836 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 50 [2024-12-05 21:47:58,837 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 21:47:58,837 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 21:47:58,837 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 21:47:58,837 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 21:47:58,844 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:47:58" (1/1) ... [2024-12-05 21:47:58,845 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:47:58" (1/1) ... [2024-12-05 21:47:58,845 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:47:58" (1/1) ... [2024-12-05 21:47:58,846 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:47:58" (1/1) ... [2024-12-05 21:47:58,848 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:47:58" (1/1) ... [2024-12-05 21:47:58,849 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:47:58" (1/1) ... [2024-12-05 21:47:58,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:47:58" (1/1) ... [2024-12-05 21:47:58,852 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:47:58" (1/1) ... [2024-12-05 21:47:58,853 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:47:58" (1/1) ... [2024-12-05 21:47:58,855 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 21:47:58,855 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 21:47:58,855 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 21:47:58,856 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 21:47:58,856 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:47:58" (1/1) ... [2024-12-05 21:47:58,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 21:47:58,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec3f7c6-a8f0-4ecd-95fc-fc6dc2699a4e/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 21:47:58,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec3f7c6-a8f0-4ecd-95fc-fc6dc2699a4e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 21:47:58,891 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec3f7c6-a8f0-4ecd-95fc-fc6dc2699a4e/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 21:47:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 21:47:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 21:47:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 21:47:58,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 21:47:58,914 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 21:47:58,914 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 21:47:58,966 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 21:47:58,968 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 21:47:59,071 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-12-05 21:47:59,071 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 21:47:59,094 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 21:47:59,094 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 21:47:59,095 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:47:59 BoogieIcfgContainer [2024-12-05 21:47:59,095 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 21:47:59,096 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 21:47:59,096 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 21:47:59,103 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 21:47:59,104 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:47:59" (1/1) ... [2024-12-05 21:47:59,110 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 21:47:59,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:47:59,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-12-05 21:47:59,150 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-12-05 21:47:59,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 21:47:59,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:47:59,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:47:59,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:47:59,308 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 21:47:59,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:47:59,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 16 states and 19 transitions. [2024-12-05 21:47:59,359 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 19 transitions. [2024-12-05 21:47:59,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 21:47:59,360 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:47:59,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:47:59,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:47:59,405 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 21:47:59,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:47:59,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 17 states and 20 transitions. [2024-12-05 21:47:59,417 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 20 transitions. [2024-12-05 21:47:59,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-12-05 21:47:59,420 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:47:59,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:47:59,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:47:59,567 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 21:47:59,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:47:59,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 22 states and 28 transitions. [2024-12-05 21:47:59,694 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 28 transitions. [2024-12-05 21:47:59,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-05 21:47:59,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:47:59,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:47:59,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:47:59,829 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 21:48:00,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:48:00,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2024-12-05 21:48:00,062 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-12-05 21:48:00,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-05 21:48:00,063 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 21:48:00,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 21:48:00,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 21:48:00,152 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-05 21:48:00,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 21:48:00,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 16 states and 17 transitions. [2024-12-05 21:48:00,236 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2024-12-05 21:48:00,236 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 21:48:00,237 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-12-05 21:48:00,243 INFO L726 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-12-05 21:48:00,296 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) the Hoare annotation is: true [2024-12-05 21:48:00,296 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 21:48:00,297 INFO L77 FloydHoareUtils]: At program point L44(line 44) the Hoare annotation is: true [2024-12-05 21:48:00,297 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 21:48:00,297 INFO L77 FloydHoareUtils]: At program point L34-1(line 34) the Hoare annotation is: true [2024-12-05 21:48:00,297 INFO L77 FloydHoareUtils]: At program point L34-2(line 34) the Hoare annotation is: true [2024-12-05 21:48:00,297 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 34) the Hoare annotation is: true [2024-12-05 21:48:00,297 INFO L77 FloydHoareUtils]: At program point L34-3(lines 34 43) the Hoare annotation is: (not (and (= |ULTIMATE.start_main_#t~post6#1| 0) (< 1 ~counter~0))) [2024-12-05 21:48:00,297 INFO L77 FloydHoareUtils]: At program point L34-4(lines 34 43) the Hoare annotation is: true [2024-12-05 21:48:00,298 INFO L77 FloydHoareUtils]: At program point L34-6(lines 34 43) the Hoare annotation is: true [2024-12-05 21:48:00,298 INFO L77 FloydHoareUtils]: At program point L34-7(lines 34 43) the Hoare annotation is: true [2024-12-05 21:48:00,298 INFO L77 FloydHoareUtils]: At program point L35(lines 34 43) the Hoare annotation is: true [2024-12-05 21:48:00,298 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 14 20) the Hoare annotation is: true [2024-12-05 21:48:00,298 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 14 20) the Hoare annotation is: true [2024-12-05 21:48:00,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 09:48:00 ImpRootNode [2024-12-05 21:48:00,310 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 21:48:00,311 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 21:48:00,311 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 21:48:00,311 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 21:48:00,311 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:47:59" (3/4) ... [2024-12-05 21:48:00,313 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 21:48:00,315 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-12-05 21:48:00,318 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-12-05 21:48:00,318 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-05 21:48:00,319 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-05 21:48:00,319 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 21:48:00,375 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec3f7c6-a8f0-4ecd-95fc-fc6dc2699a4e/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 21:48:00,375 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec3f7c6-a8f0-4ecd-95fc-fc6dc2699a4e/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 21:48:00,375 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 21:48:00,376 INFO L158 Benchmark]: Toolchain (without parser) took 1762.35ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 75.2MB in the end (delta: 41.3MB). Peak memory consumption was 37.5MB. Max. memory is 16.1GB. [2024-12-05 21:48:00,377 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory was 83.9MB in the beginning and 83.9MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:48:00,377 INFO L158 Benchmark]: CACSL2BoogieTranslator took 192.57ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 105.5MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:48:00,377 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.53ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:48:00,377 INFO L158 Benchmark]: Boogie Preprocessor took 17.70ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 103.6MB in the end (delta: 825.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:48:00,378 INFO L158 Benchmark]: RCFGBuilder took 239.61ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 92.0MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 21:48:00,378 INFO L158 Benchmark]: CodeCheck took 1214.47ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 79.4MB in the end (delta: 12.7MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-12-05 21:48:00,378 INFO L158 Benchmark]: Witness Printer took 64.79ms. Allocated memory is still 142.6MB. Free memory was 79.4MB in the beginning and 75.2MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 21:48:00,380 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 14 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 96 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 42 mSDsluCounter, 65 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 33 mSDsCounter, 55 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 171 IncrementalHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 55 mSolverCounterUnsat, 32 mSDtfsCounter, 171 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 381 GetRequests, 342 SyntacticMatches, 7 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 384 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 49 NumberOfCodeBlocks, 49 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 44 ConstructedInterpolants, 0 QuantifiedInterpolants, 120 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 8/17 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: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - ProcedureContractResult [Line: 14]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (counter == \old(counter)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory was 83.9MB in the beginning and 83.9MB in the end (delta: 31.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 192.57ms. Allocated memory is still 142.6MB. Free memory was 116.3MB in the beginning and 105.5MB in the end (delta: 10.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.53ms. Allocated memory is still 142.6MB. Free memory was 105.5MB in the beginning and 104.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.70ms. Allocated memory is still 142.6MB. Free memory was 104.4MB in the beginning and 103.6MB in the end (delta: 825.7kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 239.61ms. Allocated memory is still 142.6MB. Free memory was 103.6MB in the beginning and 92.0MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 1214.47ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 79.4MB in the end (delta: 12.7MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. * Witness Printer took 64.79ms. Allocated memory is still 142.6MB. Free memory was 79.4MB in the beginning and 75.2MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 21:48:00,393 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ec3f7c6-a8f0-4ecd-95fc-fc6dc2699a4e/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