./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-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_87ac9ab3-4ba1-4773-9cfc-b3d46fb6df23/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ac9ab3-4ba1-4773-9cfc-b3d46fb6df23/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_87ac9ab3-4ba1-4773-9cfc-b3d46fb6df23/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ac9ab3-4ba1-4773-9cfc-b3d46fb6df23/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ac9ab3-4ba1-4773-9cfc-b3d46fb6df23/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_87ac9ab3-4ba1-4773-9cfc-b3d46fb6df23/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 969ea7ac1a6cea553b276c54292ec8e81265daf8dd23428f445a60f39343440e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:21:41,388 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:21:41,443 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ac9ab3-4ba1-4773-9cfc-b3d46fb6df23/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:21:41,447 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:21:41,447 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:21:41,465 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:21:41,466 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:21:41,466 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:21:41,467 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:21:41,467 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:21:41,467 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:21:41,467 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:21:41,467 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:21:41,467 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:21:41,467 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:21:41,467 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:21:41,467 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:21:41,468 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:21:41,468 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:21:41,468 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:21:41,468 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:21:41,468 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:21:41,468 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:21:41,468 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:21:41,468 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:21:41,468 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:21:41,468 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:21:41,468 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:21:41,469 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:21:41,469 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:21:41,469 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:21:41,469 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:21:41,469 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:21:41,469 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_87ac9ab3-4ba1-4773-9cfc-b3d46fb6df23/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 -> 969ea7ac1a6cea553b276c54292ec8e81265daf8dd23428f445a60f39343440e [2024-12-06 02:21:41,695 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:21:41,703 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:21:41,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:21:41,706 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:21:41,707 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:21:41,708 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ac9ab3-4ba1-4773-9cfc-b3d46fb6df23/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound2.c [2024-12-06 02:21:44,355 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ac9ab3-4ba1-4773-9cfc-b3d46fb6df23/bin/ukojak-verify-CZk0znPC7b/data/263dd0925/bebca5fe6fbd4da5973b7fc1de2d2cdc/FLAGb5d2ccea9 [2024-12-06 02:21:44,566 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:21:44,567 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ac9ab3-4ba1-4773-9cfc-b3d46fb6df23/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound2.c [2024-12-06 02:21:44,574 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ac9ab3-4ba1-4773-9cfc-b3d46fb6df23/bin/ukojak-verify-CZk0znPC7b/data/263dd0925/bebca5fe6fbd4da5973b7fc1de2d2cdc/FLAGb5d2ccea9 [2024-12-06 02:21:44,936 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ac9ab3-4ba1-4773-9cfc-b3d46fb6df23/bin/ukojak-verify-CZk0znPC7b/data/263dd0925/bebca5fe6fbd4da5973b7fc1de2d2cdc [2024-12-06 02:21:44,938 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:21:44,939 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:21:44,940 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:21:44,940 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:21:44,945 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:21:44,945 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:21:44" (1/1) ... [2024-12-06 02:21:44,946 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19c83cec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:44, skipping insertion in model container [2024-12-06 02:21:44,946 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:21:44" (1/1) ... [2024-12-06 02:21:44,959 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:21:45,069 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_87ac9ab3-4ba1-4773-9cfc-b3d46fb6df23/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound2.c[576,589] [2024-12-06 02:21:45,084 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:21:45,093 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:21:45,103 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_87ac9ab3-4ba1-4773-9cfc-b3d46fb6df23/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound2.c[576,589] [2024-12-06 02:21:45,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:21:45,121 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:21:45,122 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:45 WrapperNode [2024-12-06 02:21:45,122 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:21:45,123 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:21:45,123 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:21:45,123 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:21:45,129 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:45" (1/1) ... [2024-12-06 02:21:45,134 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:45" (1/1) ... [2024-12-06 02:21:45,148 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 65 [2024-12-06 02:21:45,148 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:21:45,148 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:21:45,149 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:21:45,149 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:21:45,154 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:45" (1/1) ... [2024-12-06 02:21:45,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:45" (1/1) ... [2024-12-06 02:21:45,155 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:45" (1/1) ... [2024-12-06 02:21:45,155 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:45" (1/1) ... [2024-12-06 02:21:45,158 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:45" (1/1) ... [2024-12-06 02:21:45,158 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:45" (1/1) ... [2024-12-06 02:21:45,161 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:45" (1/1) ... [2024-12-06 02:21:45,161 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:45" (1/1) ... [2024-12-06 02:21:45,162 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:45" (1/1) ... [2024-12-06 02:21:45,163 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:21:45,164 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:21:45,164 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:21:45,164 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:21:45,165 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:21:45" (1/1) ... [2024-12-06 02:21:45,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:21:45,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ac9ab3-4ba1-4773-9cfc-b3d46fb6df23/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:21:45,194 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ac9ab3-4ba1-4773-9cfc-b3d46fb6df23/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:21:45,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ac9ab3-4ba1-4773-9cfc-b3d46fb6df23/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:21:45,220 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:21:45,220 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:21:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:21:45,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:21:45,221 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 02:21:45,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 02:21:45,268 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:21:45,269 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:21:45,372 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-06 02:21:45,373 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:21:45,406 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:21:45,406 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 02:21:45,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:21:45 BoogieIcfgContainer [2024-12-06 02:21:45,406 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:21:45,407 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:21:45,407 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:21:45,416 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:21:45,416 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:21:45" (1/1) ... [2024-12-06 02:21:45,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:21:45,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:21:45,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2024-12-06 02:21:45,472 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2024-12-06 02:21:45,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 02:21:45,476 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:21:45,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:21:45,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:21:45,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:21:45,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:21:45,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2024-12-06 02:21:45,601 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2024-12-06 02:21:45,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:21:45,601 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:21:45,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:21:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:21:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:21:45,645 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 02:21:45,648 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:21:45,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:21:45,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:21:45,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 29 states and 49 transitions. [2024-12-06 02:21:45,814 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 49 transitions. [2024-12-06 02:21:45,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 02:21:45,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:21:45,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:21:45,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:21:45,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:21:46,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:21:46,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 31 states and 52 transitions. [2024-12-06 02:21:46,096 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2024-12-06 02:21:46,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 02:21:46,096 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:21:46,096 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:21:46,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:21:46,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:21:46,129 INFO L256 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:21:46,131 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:21:46,232 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:21:46,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:21:46,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2024-12-06 02:21:46,723 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2024-12-06 02:21:46,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 02:21:46,724 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:21:46,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:21:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:21:46,921 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:21:47,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:21:47,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 37 states and 65 transitions. [2024-12-06 02:21:47,167 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 65 transitions. [2024-12-06 02:21:47,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-12-06 02:21:47,168 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:21:47,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:21:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:21:47,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:21:47,205 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:21:47,206 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:21:47,266 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:21:47,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:21:47,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 69 transitions. [2024-12-06 02:21:47,322 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2024-12-06 02:21:47,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-12-06 02:21:47,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:21:47,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:21:47,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:21:47,481 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-12-06 02:21:48,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:21:48,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 45 states and 80 transitions. [2024-12-06 02:21:48,460 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 80 transitions. [2024-12-06 02:21:48,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 02:21:48,461 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:21:48,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:21:48,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:21:48,543 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 02:21:49,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:21:49,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 49 states and 85 transitions. [2024-12-06 02:21:49,075 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 85 transitions. [2024-12-06 02:21:49,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-12-06 02:21:49,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:21:49,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:21:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:21:49,254 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 02:21:50,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:21:50,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 59 states and 107 transitions. [2024-12-06 02:21:50,949 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 107 transitions. [2024-12-06 02:21:50,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-12-06 02:21:50,950 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:21:50,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:21:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:21:51,141 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 02:21:51,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:21:51,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 63 states and 116 transitions. [2024-12-06 02:21:51,625 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 116 transitions. [2024-12-06 02:21:51,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 02:21:51,626 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:21:51,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:21:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:21:51,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:21:51,666 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 02:21:51,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:21:52,003 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-12-06 02:21:53,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:21:53,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 73 states and 135 transitions. [2024-12-06 02:21:53,972 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 135 transitions. [2024-12-06 02:21:53,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 02:21:53,973 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:21:53,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:21:53,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:21:54,028 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 18 proven. 7 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 02:21:54,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:21:54,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 76 states and 140 transitions. [2024-12-06 02:21:54,174 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 140 transitions. [2024-12-06 02:21:54,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-12-06 02:21:54,175 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:21:54,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:21:54,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:21:54,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:21:54,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-12-06 02:21:54,217 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:21:54,554 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 21 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-12-06 02:21:55,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:21:55,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 80 states and 147 transitions. [2024-12-06 02:21:55,884 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 147 transitions. [2024-12-06 02:21:55,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-12-06 02:21:55,885 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:21:55,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:21:55,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:21:56,223 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 14 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-06 02:21:58,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:21:58,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 92 states and 169 transitions. [2024-12-06 02:21:58,379 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 169 transitions. [2024-12-06 02:21:58,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-12-06 02:21:58,380 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:21:58,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:21:58,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:21:58,529 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 14 proven. 1 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2024-12-06 02:21:59,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:21:59,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 96 states and 175 transitions. [2024-12-06 02:21:59,328 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 175 transitions. [2024-12-06 02:21:59,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 02:21:59,329 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:21:59,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:21:59,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:21:59,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:21:59,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 02:21:59,367 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:21:59,887 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-12-06 02:22:02,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:02,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 103 states and 186 transitions. [2024-12-06 02:22:02,200 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 186 transitions. [2024-12-06 02:22:02,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-12-06 02:22:02,200 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:02,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:02,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:22:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:02,244 INFO L256 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 02:22:02,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:22:02,538 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-12-06 02:22:02,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:02,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 105 states and 190 transitions. [2024-12-06 02:22:02,970 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 190 transitions. [2024-12-06 02:22:02,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-12-06 02:22:02,971 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:22:02,971 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:22:02,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:22:03,327 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2024-12-06 02:22:04,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:22:04,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 29 states and 36 transitions. [2024-12-06 02:22:04,910 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2024-12-06 02:22:04,911 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 02:22:04,911 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 19 iterations. [2024-12-06 02:22:04,917 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 02:22:05,931 INFO L77 FloydHoareUtils]: At program point L48(line 48) the Hoare annotation is: true [2024-12-06 02:22:05,931 INFO L77 FloydHoareUtils]: At program point L49(lines 46 58) the Hoare annotation is: true [2024-12-06 02:22:05,932 INFO L77 FloydHoareUtils]: At program point L37-1(lines 37 61) the Hoare annotation is: (let ((.cse0 (<= ~counter~0 1))) (or (not (= |ULTIMATE.start_main_#t~post6#1| 0)) (and .cse0 (<= 1 ~counter~0)) (not (= |ULTIMATE.start_main_~a~0#1| 0)) (and .cse0 (< |ULTIMATE.start_main_~y~0#1| 1)) (not (= (* |ULTIMATE.start_main_~a~0#1| |ULTIMATE.start_main_~y~0#1|) |ULTIMATE.start_main_~b~0#1|)) (not (and (= |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~x~0#1|) (= |ULTIMATE.start_main_~q~0#1| 0))))) [2024-12-06 02:22:05,932 INFO L77 FloydHoareUtils]: At program point L37-2(lines 37 61) the Hoare annotation is: true [2024-12-06 02:22:05,932 INFO L77 FloydHoareUtils]: At program point L37-4(lines 37 61) the Hoare annotation is: true [2024-12-06 02:22:05,932 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 02:22:05,932 INFO L77 FloydHoareUtils]: At program point L37-5(lines 37 61) the Hoare annotation is: true [2024-12-06 02:22:05,932 INFO L77 FloydHoareUtils]: At program point L54(line 54) the Hoare annotation is: true [2024-12-06 02:22:05,932 INFO L77 FloydHoareUtils]: At program point L54-1(line 54) the Hoare annotation is: true [2024-12-06 02:22:05,932 INFO L77 FloydHoareUtils]: At program point L46-1(lines 46 58) the Hoare annotation is: (let ((.cse2 (* 2 |ULTIMATE.start_main_~y~0#1|))) (let ((.cse1 (<= |ULTIMATE.start_main_#t~post7#1| 1)) (.cse0 (<= .cse2 |ULTIMATE.start_main_~r~0#1|))) (or (and (<= (+ |ULTIMATE.start_main_#t~post7#1| 1) ~counter~0) .cse0) (and (not (and (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~a~0#1| 1))) .cse1) (not (= |ULTIMATE.start_main_~x~0#1| (+ |ULTIMATE.start_main_~r~0#1| (* |ULTIMATE.start_main_~q~0#1| |ULTIMATE.start_main_~y~0#1|)))) (and .cse1 (<= |ULTIMATE.start_main_~y~0#1| |ULTIMATE.start_main_~r~0#1|)) (< |ULTIMATE.start_main_~r~0#1| 1) (not (= |ULTIMATE.start_main_~q~0#1| 0)) (and (< 1 |ULTIMATE.start_main_#t~post7#1|) (not (and (<= 1 |ULTIMATE.start_main_~y~0#1|) (= .cse2 |ULTIMATE.start_main_~b~0#1|) (= 2 |ULTIMATE.start_main_~a~0#1|) .cse0)))))) [2024-12-06 02:22:05,932 INFO L77 FloydHoareUtils]: At program point L46-2(lines 46 58) the Hoare annotation is: (not (and (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) (= |ULTIMATE.start_main_~a~0#1| 1) (= |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~x~0#1|) (= |ULTIMATE.start_main_~q~0#1| 0) (<= 1 |ULTIMATE.start_main_~r~0#1|) (< |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~y~0#1|))) [2024-12-06 02:22:05,932 INFO L77 FloydHoareUtils]: At program point L46-4(lines 46 58) the Hoare annotation is: (not (and (= |ULTIMATE.start_main_~b~0#1| |ULTIMATE.start_main_~y~0#1|) (<= ~counter~0 1) (= |ULTIMATE.start_main_~a~0#1| 1) (= |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~x~0#1|) (= |ULTIMATE.start_main_~q~0#1| 0) (<= 1 |ULTIMATE.start_main_~r~0#1|) (< |ULTIMATE.start_main_~r~0#1| |ULTIMATE.start_main_~y~0#1|))) [2024-12-06 02:22:05,932 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 02:22:05,932 INFO L77 FloydHoareUtils]: At program point L46-5(lines 46 58) the Hoare annotation is: true [2024-12-06 02:22:05,932 INFO L77 FloydHoareUtils]: At program point L38(line 38) the Hoare annotation is: true [2024-12-06 02:22:05,932 INFO L77 FloydHoareUtils]: At program point L63(line 63) the Hoare annotation is: true [2024-12-06 02:22:05,932 INFO L77 FloydHoareUtils]: At program point L47(line 47) the Hoare annotation is: true [2024-12-06 02:22:05,933 INFO L77 FloydHoareUtils]: At program point L39(lines 37 61) the Hoare annotation is: true [2024-12-06 02:22:05,933 INFO L77 FloydHoareUtils]: At program point L16(lines 16 17) the Hoare annotation is: true [2024-12-06 02:22:05,933 INFO L77 FloydHoareUtils]: At program point L15(lines 15 18) the Hoare annotation is: (or (= __VERIFIER_assert_~cond 0) (= __VERIFIER_assert_~cond 1)) [2024-12-06 02:22:05,933 INFO L77 FloydHoareUtils]: At program point L15-2(lines 14 20) the Hoare annotation is: true [2024-12-06 02:22:05,933 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 14 20) the Hoare annotation is: true [2024-12-06 02:22:05,933 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 14 20) the Hoare annotation is: (or (= |__VERIFIER_assert_#in~cond| 0) (= |__VERIFIER_assert_#in~cond| 1)) [2024-12-06 02:22:05,933 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION(line 17) the Hoare annotation is: true [2024-12-06 02:22:05,946 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:22:05 ImpRootNode [2024-12-06 02:22:05,946 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:22:05,946 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:22:05,946 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:22:05,946 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:22:05,947 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:21:45" (3/4) ... [2024-12-06 02:22:05,949 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 02:22:05,952 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-12-06 02:22:05,955 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-06 02:22:05,955 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-12-06 02:22:05,955 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-06 02:22:05,955 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 02:22:06,018 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ac9ab3-4ba1-4773-9cfc-b3d46fb6df23/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 02:22:06,018 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ac9ab3-4ba1-4773-9cfc-b3d46fb6df23/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 02:22:06,019 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:22:06,019 INFO L158 Benchmark]: Toolchain (without parser) took 21080.34ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 94.1MB in the beginning and 130.5MB in the end (delta: -36.4MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2024-12-06 02:22:06,019 INFO L158 Benchmark]: CDTParser took 0.30ms. 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 02:22:06,019 INFO L158 Benchmark]: CACSL2BoogieTranslator took 182.19ms. Allocated memory is still 117.4MB. Free memory was 93.8MB 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 02:22:06,020 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.11ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 81.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:22:06,020 INFO L158 Benchmark]: Boogie Preprocessor took 15.13ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.7MB in the end (delta: 605.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:22:06,020 INFO L158 Benchmark]: RCFGBuilder took 242.21ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 67.7MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:22:06,020 INFO L158 Benchmark]: CodeCheck took 20538.71ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 67.7MB in the beginning and 136.4MB in the end (delta: -68.7MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. [2024-12-06 02:22:06,021 INFO L158 Benchmark]: Witness Printer took 72.31ms. Allocated memory is still 192.9MB. Free memory was 136.4MB in the beginning and 130.5MB in the end (delta: 5.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:22:06,022 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, 24 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 19.5s, OverallIterations: 19, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1438 SdHoareTripleChecker+Valid, 6.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 607 mSDsluCounter, 1320 SdHoareTripleChecker+Invalid, 5.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 440 mSDsCounter, 1432 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4469 IncrementalHoareTripleChecker+Invalid, 5901 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1432 mSolverCounterUnsat, 880 mSDtfsCounter, 4469 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4943 GetRequests, 4559 SyntacticMatches, 72 SemanticMatches, 312 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47851 ImplicationChecksByTransitivity, 16.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 535 NumberOfCodeBlocks, 535 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 517 ConstructedInterpolants, 0 QuantifiedInterpolants, 1877 SizeOfPredicates, 15 NumberOfNonLiveVariables, 683 ConjunctsInSsa, 123 ConjunctsInUnsatCore, 18 InterpolantComputations, 8 PerfectInterpolantSequences, 649/692 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: 17]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: !(((((((b == y) && (counter <= 1)) && (a == 1)) && (r == x)) && (q == 0)) && (1 <= r)) && (r < y)) - ProcedureContractResult [Line: 14]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Requires: ((cond == 0) || (cond == 1)) Ensures: (counter == \old(counter)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 182.19ms. Allocated memory is still 117.4MB. Free memory was 93.8MB 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 25.11ms. Allocated memory is still 117.4MB. Free memory was 82.6MB in the beginning and 81.3MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.13ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 80.7MB in the end (delta: 605.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 242.21ms. Allocated memory is still 117.4MB. Free memory was 80.4MB in the beginning and 67.7MB in the end (delta: 12.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 20538.71ms. Allocated memory was 117.4MB in the beginning and 192.9MB in the end (delta: 75.5MB). Free memory was 67.7MB in the beginning and 136.4MB in the end (delta: -68.7MB). Peak memory consumption was 8.7MB. Max. memory is 16.1GB. * Witness Printer took 72.31ms. Allocated memory is still 192.9MB. Free memory was 136.4MB in the beginning and 130.5MB in the end (delta: 5.9MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 02:22:06,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_87ac9ab3-4ba1-4773-9cfc-b3d46fb6df23/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