./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.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_1d875487-799b-4271-8c40-1c78ad8f3fc4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d875487-799b-4271-8c40-1c78ad8f3fc4/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_1d875487-799b-4271-8c40-1c78ad8f3fc4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d875487-799b-4271-8c40-1c78ad8f3fc4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d875487-799b-4271-8c40-1c78ad8f3fc4/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_1d875487-799b-4271-8c40-1c78ad8f3fc4/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 21f79dea7aad8546a3e0176902289dccc4338c9a5ec0cb74e31e8a84f408fa52 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:18:33,303 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:18:33,366 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d875487-799b-4271-8c40-1c78ad8f3fc4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-12-06 01:18:33,370 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:18:33,370 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:18:33,392 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:18:33,393 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:18:33,394 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:18:33,394 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:18:33,394 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:18:33,394 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:18:33,395 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:18:33,395 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:18:33,395 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:18:33,395 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:18:33,395 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:18:33,395 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:18:33,395 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:18:33,395 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:18:33,395 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-12-06 01:18:33,396 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 01:18:33,396 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:18:33,396 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:18:33,396 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:18:33,396 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:18:33,396 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:18:33,396 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:18:33,396 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:18:33,397 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:18:33,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:18:33,397 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:18:33,397 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:18:33,397 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:18:33,397 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:18:33,397 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:18:33,397 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_1d875487-799b-4271-8c40-1c78ad8f3fc4/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 -> 21f79dea7aad8546a3e0176902289dccc4338c9a5ec0cb74e31e8a84f408fa52 [2024-12-06 01:18:33,644 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:18:33,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:18:33,655 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:18:33,656 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:18:33,657 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:18:33,658 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d875487-799b-4271-8c40-1c78ad8f3fc4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2024-12-06 01:18:36,629 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d875487-799b-4271-8c40-1c78ad8f3fc4/bin/ukojak-verify-CZk0znPC7b/data/7d2a56d6d/f561518fa9f945e79d339af65b6c65d1/FLAG5f3a2d107 [2024-12-06 01:18:36,863 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:18:36,864 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d875487-799b-4271-8c40-1c78ad8f3fc4/sv-benchmarks/c/nla-digbench-scaling/lcm2_unwindbound20.c [2024-12-06 01:18:36,872 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d875487-799b-4271-8c40-1c78ad8f3fc4/bin/ukojak-verify-CZk0znPC7b/data/7d2a56d6d/f561518fa9f945e79d339af65b6c65d1/FLAG5f3a2d107 [2024-12-06 01:18:36,890 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d875487-799b-4271-8c40-1c78ad8f3fc4/bin/ukojak-verify-CZk0znPC7b/data/7d2a56d6d/f561518fa9f945e79d339af65b6c65d1 [2024-12-06 01:18:36,893 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:18:36,895 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:18:36,896 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:18:36,897 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:18:36,902 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:18:36,903 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:18:36" (1/1) ... [2024-12-06 01:18:36,904 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5908c4ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:36, skipping insertion in model container [2024-12-06 01:18:36,904 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:18:36" (1/1) ... [2024-12-06 01:18:36,921 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:18:37,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:18:37,115 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:18:37,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:18:37,150 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:18:37,151 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:37 WrapperNode [2024-12-06 01:18:37,151 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:18:37,152 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:18:37,152 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:18:37,152 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:18:37,160 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:37" (1/1) ... [2024-12-06 01:18:37,167 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:37" (1/1) ... [2024-12-06 01:18:37,185 INFO L138 Inliner]: procedures = 14, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2024-12-06 01:18:37,186 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:18:37,186 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:18:37,186 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:18:37,186 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:18:37,196 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:37" (1/1) ... [2024-12-06 01:18:37,196 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:37" (1/1) ... [2024-12-06 01:18:37,197 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:37" (1/1) ... [2024-12-06 01:18:37,198 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:37" (1/1) ... [2024-12-06 01:18:37,201 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:37" (1/1) ... [2024-12-06 01:18:37,202 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:37" (1/1) ... [2024-12-06 01:18:37,206 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:37" (1/1) ... [2024-12-06 01:18:37,207 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:37" (1/1) ... [2024-12-06 01:18:37,208 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:37" (1/1) ... [2024-12-06 01:18:37,209 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:18:37,210 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:18:37,210 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:18:37,210 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:18:37,212 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:37" (1/1) ... [2024-12-06 01:18:37,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:18:37,233 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d875487-799b-4271-8c40-1c78ad8f3fc4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:18:37,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d875487-799b-4271-8c40-1c78ad8f3fc4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:18:37,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d875487-799b-4271-8c40-1c78ad8f3fc4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:18:37,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:18:37,283 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 01:18:37,284 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 01:18:37,284 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:18:37,284 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:18:37,284 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:18:37,284 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:18:37,284 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:18:37,352 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:18:37,354 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:18:37,512 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-12-06 01:18:37,512 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:18:37,562 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:18:37,563 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:18:37,563 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:18:37 BoogieIcfgContainer [2024-12-06 01:18:37,563 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:18:37,564 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:18:37,564 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:18:37,572 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:18:37,573 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:18:37" (1/1) ... [2024-12-06 01:18:37,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:18:37,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:37,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-12-06 01:18:37,631 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-12-06 01:18:37,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 01:18:37,636 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:37,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:18:37,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:37,912 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 01:18:38,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:38,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 23 states and 29 transitions. [2024-12-06 01:18:38,010 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-12-06 01:18:38,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:18:38,010 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:38,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:18:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:38,115 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 01:18:38,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:38,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 24 states and 30 transitions. [2024-12-06 01:18:38,142 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2024-12-06 01:18:38,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-06 01:18:38,143 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:38,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:18:38,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:38,350 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 01:18:38,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:38,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 38 transitions. [2024-12-06 01:18:38,521 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 38 transitions. [2024-12-06 01:18:38,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-12-06 01:18:38,522 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:38,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:18:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:38,676 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-12-06 01:18:38,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:38,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 34 states and 46 transitions. [2024-12-06 01:18:38,991 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 46 transitions. [2024-12-06 01:18:38,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-12-06 01:18:38,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:38,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:18:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:39,179 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 01:18:39,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:39,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 29 states and 36 transitions. [2024-12-06 01:18:39,311 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 36 transitions. [2024-12-06 01:18:39,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 01:18:39,312 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:39,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:18:39,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:39,453 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2024-12-06 01:18:39,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:39,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 35 states and 45 transitions. [2024-12-06 01:18:39,739 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 45 transitions. [2024-12-06 01:18:39,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-12-06 01:18:39,740 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:39,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:18:39,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:39,967 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-12-06 01:18:40,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:40,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 41 states and 54 transitions. [2024-12-06 01:18:40,322 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions. [2024-12-06 01:18:40,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-12-06 01:18:40,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:40,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:18:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:40,644 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-12-06 01:18:41,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:41,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 47 states and 63 transitions. [2024-12-06 01:18:41,032 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2024-12-06 01:18:41,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-12-06 01:18:41,034 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:41,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:18:41,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:41,356 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2024-12-06 01:18:41,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:41,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 53 states and 72 transitions. [2024-12-06 01:18:41,767 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 72 transitions. [2024-12-06 01:18:41,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 01:18:41,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:41,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:18:41,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:42,146 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-06 01:18:42,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:42,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 59 states and 81 transitions. [2024-12-06 01:18:42,602 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 81 transitions. [2024-12-06 01:18:42,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-12-06 01:18:42,603 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:42,603 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:18:42,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:42,944 INFO L134 CoverageAnalysis]: Checked inductivity of 201 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-12-06 01:18:43,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:43,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 65 states and 90 transitions. [2024-12-06 01:18:43,432 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2024-12-06 01:18:43,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-12-06 01:18:43,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:43,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:18:43,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:43,861 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 192 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-12-06 01:18:44,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:44,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 71 states and 99 transitions. [2024-12-06 01:18:44,407 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 99 transitions. [2024-12-06 01:18:44,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-12-06 01:18:44,409 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:44,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:18:44,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:44,913 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 0 proven. 243 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2024-12-06 01:18:45,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:45,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 77 states and 108 transitions. [2024-12-06 01:18:45,507 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 108 transitions. [2024-12-06 01:18:45,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2024-12-06 01:18:45,508 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:45,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:18:45,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:46,045 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2024-12-06 01:18:46,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:46,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 83 states and 117 transitions. [2024-12-06 01:18:46,645 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 117 transitions. [2024-12-06 01:18:46,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2024-12-06 01:18:46,646 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:46,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:18:46,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:47,241 INFO L134 CoverageAnalysis]: Checked inductivity of 485 backedges. 0 proven. 363 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2024-12-06 01:18:47,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:47,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 89 states and 126 transitions. [2024-12-06 01:18:47,912 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2024-12-06 01:18:47,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2024-12-06 01:18:47,913 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:47,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:18:47,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:48,547 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 0 proven. 432 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-06 01:18:49,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:49,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 95 states and 135 transitions. [2024-12-06 01:18:49,244 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 135 transitions. [2024-12-06 01:18:49,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-12-06 01:18:49,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:49,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:18:49,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:49,889 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 0 proven. 507 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-12-06 01:18:50,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:50,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 101 states and 144 transitions. [2024-12-06 01:18:50,548 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 144 transitions. [2024-12-06 01:18:50,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-12-06 01:18:50,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:50,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:18:50,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:51,164 INFO L134 CoverageAnalysis]: Checked inductivity of 782 backedges. 0 proven. 588 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-12-06 01:18:51,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:51,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 107 states and 153 transitions. [2024-12-06 01:18:51,839 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 153 transitions. [2024-12-06 01:18:51,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-12-06 01:18:51,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:51,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:18:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:52,416 INFO L134 CoverageAnalysis]: Checked inductivity of 897 backedges. 0 proven. 675 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2024-12-06 01:18:53,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:53,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 113 states and 162 transitions. [2024-12-06 01:18:53,114 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 162 transitions. [2024-12-06 01:18:53,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-12-06 01:18:53,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:53,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:18:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:53,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1020 backedges. 0 proven. 768 refuted. 0 times theorem prover too weak. 252 trivial. 0 not checked. [2024-12-06 01:18:54,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:54,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 119 states and 171 transitions. [2024-12-06 01:18:54,459 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 171 transitions. [2024-12-06 01:18:54,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2024-12-06 01:18:54,460 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:54,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:18:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:55,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1151 backedges. 0 proven. 867 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2024-12-06 01:18:55,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:55,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 125 states and 180 transitions. [2024-12-06 01:18:55,907 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 180 transitions. [2024-12-06 01:18:55,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2024-12-06 01:18:55,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:55,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:18:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:56,797 INFO L134 CoverageAnalysis]: Checked inductivity of 1290 backedges. 0 proven. 972 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2024-12-06 01:18:57,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:57,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 131 states and 189 transitions. [2024-12-06 01:18:57,537 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2024-12-06 01:18:57,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2024-12-06 01:18:57,538 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:57,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:18:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:58,241 INFO L134 CoverageAnalysis]: Checked inductivity of 1437 backedges. 0 proven. 1083 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2024-12-06 01:18:59,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:59,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 137 states and 198 transitions. [2024-12-06 01:18:59,006 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 198 transitions. [2024-12-06 01:18:59,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2024-12-06 01:18:59,007 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:59,007 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:18:59,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:59,889 INFO L134 CoverageAnalysis]: Checked inductivity of 1592 backedges. 0 proven. 1200 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2024-12-06 01:19:00,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:00,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 143 states and 207 transitions. [2024-12-06 01:19:00,814 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 207 transitions. [2024-12-06 01:19:00,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-12-06 01:19:00,816 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:19:00,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:19:00,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:19:03,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1755 backedges. 1224 proven. 99 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2024-12-06 01:19:04,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:19:04,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 137 states and 198 transitions. [2024-12-06 01:19:04,067 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 198 transitions. [2024-12-06 01:19:04,068 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 01:19:04,068 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 26 iterations. [2024-12-06 01:19:04,076 INFO L726 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2024-12-06 01:19:04,349 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) the Hoare annotation is: true [2024-12-06 01:19:04,349 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 01:19:04,349 INFO L77 FloydHoareUtils]: At program point L29(line 29) the Hoare annotation is: true [2024-12-06 01:19:04,349 INFO L77 FloydHoareUtils]: At program point L25(line 25) the Hoare annotation is: (= ~counter~0 0) [2024-12-06 01:19:04,349 INFO L77 FloydHoareUtils]: At program point L25-1(line 25) the Hoare annotation is: true [2024-12-06 01:19:04,349 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 01:19:04,349 INFO L77 FloydHoareUtils]: At program point L42-2(lines 36 49) the Hoare annotation is: true [2024-12-06 01:19:04,349 INFO L77 FloydHoareUtils]: At program point L36-1(line 36) the Hoare annotation is: true [2024-12-06 01:19:04,349 INFO L77 FloydHoareUtils]: At program point L36-2(line 36) the Hoare annotation is: true [2024-12-06 01:19:04,349 INFO L77 FloydHoareUtils]: At program point L36-3(lines 36 49) the Hoare annotation is: (or (and (not (= |ULTIMATE.start_main_#t~post6#1| 0)) (<= ~counter~0 20)) (<= ~counter~0 1) (< 19 |ULTIMATE.start_main_#t~post6#1|)) [2024-12-06 01:19:04,349 INFO L77 FloydHoareUtils]: At program point L36-4(lines 36 49) the Hoare annotation is: (<= ~counter~0 20) [2024-12-06 01:19:04,349 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 36) the Hoare annotation is: true [2024-12-06 01:19:04,350 INFO L77 FloydHoareUtils]: At program point L36-6(lines 36 49) the Hoare annotation is: true [2024-12-06 01:19:04,350 INFO L77 FloydHoareUtils]: At program point L28(line 28) the Hoare annotation is: true [2024-12-06 01:19:04,350 INFO L77 FloydHoareUtils]: At program point L26(line 26) the Hoare annotation is: true [2024-12-06 01:19:04,350 INFO L77 FloydHoareUtils]: At program point L51(line 51) the Hoare annotation is: true [2024-12-06 01:19:04,350 INFO L77 FloydHoareUtils]: At program point L37(lines 36 49) the Hoare annotation is: true [2024-12-06 01:19:04,350 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 8 10) the Hoare annotation is: true [2024-12-06 01:19:04,350 INFO L77 FloydHoareUtils]: At program point assume_abort_if_notEXIT(lines 8 10) the Hoare annotation is: true [2024-12-06 01:19:04,350 INFO L77 FloydHoareUtils]: At program point __VERIFIER_assertEXIT(lines 11 17) the Hoare annotation is: true [2024-12-06 01:19:04,350 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 11 17) the Hoare annotation is: true [2024-12-06 01:19:04,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:19:04 ImpRootNode [2024-12-06 01:19:04,362 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:19:04,363 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:19:04,363 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:19:04,363 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:19:04,363 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:18:37" (3/4) ... [2024-12-06 01:19:04,365 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 01:19:04,368 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-12-06 01:19:04,368 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-12-06 01:19:04,371 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2024-12-06 01:19:04,371 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-12-06 01:19:04,371 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-06 01:19:04,372 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 01:19:04,372 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 01:19:04,438 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d875487-799b-4271-8c40-1c78ad8f3fc4/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 01:19:04,438 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d875487-799b-4271-8c40-1c78ad8f3fc4/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 01:19:04,438 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:19:04,439 INFO L158 Benchmark]: Toolchain (without parser) took 27544.58ms. Allocated memory was 117.4MB in the beginning and 503.3MB in the end (delta: 385.9MB). Free memory was 93.1MB in the beginning and 294.2MB in the end (delta: -201.1MB). Peak memory consumption was 183.7MB. Max. memory is 16.1GB. [2024-12-06 01:19:04,440 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 72.9MB in the end (delta: 84.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:19:04,440 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.88ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 82.0MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:19:04,440 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.83ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:19:04,441 INFO L158 Benchmark]: Boogie Preprocessor took 23.20ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 80.1MB in the end (delta: 681.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:19:04,441 INFO L158 Benchmark]: RCFGBuilder took 353.00ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 66.9MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:19:04,442 INFO L158 Benchmark]: CodeCheck took 26798.58ms. Allocated memory was 117.4MB in the beginning and 503.3MB in the end (delta: 385.9MB). Free memory was 66.9MB in the beginning and 298.8MB in the end (delta: -231.9MB). Peak memory consumption was 167.0MB. Max. memory is 16.1GB. [2024-12-06 01:19:04,442 INFO L158 Benchmark]: Witness Printer took 75.71ms. Allocated memory is still 503.3MB. Free memory was 298.8MB in the beginning and 294.2MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:19:04,444 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, 21 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 26.5s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2738 SdHoareTripleChecker+Valid, 12.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1728 mSDsluCounter, 2266 SdHoareTripleChecker+Invalid, 10.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 558 mSDsCounter, 1899 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8035 IncrementalHoareTripleChecker+Invalid, 9934 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1899 mSolverCounterUnsat, 1708 mSDtfsCounter, 8035 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 15824 GetRequests, 14247 SyntacticMatches, 1311 SemanticMatches, 266 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42983 ImplicationChecksByTransitivity, 15.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 13.0s InterpolantComputationTime, 2294 NumberOfCodeBlocks, 2294 NumberOfCodeBlocksAsserted, 25 NumberOfCheckSat, 2269 ConstructedInterpolants, 0 QuantifiedInterpolants, 5553 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 25 InterpolantComputations, 2 PerfectInterpolantSequences, 4610/13327 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: 36]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 36]: 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: 8]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Ensures: (counter == \old(counter)) - ProcedureContractResult [Line: 11]: 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 0.34ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 72.9MB in the end (delta: 84.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.88ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 82.0MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.83ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 80.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.20ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 80.1MB in the end (delta: 681.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 353.00ms. Allocated memory is still 117.4MB. Free memory was 80.1MB in the beginning and 66.9MB in the end (delta: 13.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 26798.58ms. Allocated memory was 117.4MB in the beginning and 503.3MB in the end (delta: 385.9MB). Free memory was 66.9MB in the beginning and 298.8MB in the end (delta: -231.9MB). Peak memory consumption was 167.0MB. Max. memory is 16.1GB. * Witness Printer took 75.71ms. Allocated memory is still 503.3MB. Free memory was 298.8MB in the beginning and 294.2MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-06 01:19:04,463 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1d875487-799b-4271-8c40-1c78ad8f3fc4/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