./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3326aff9-b360-4073-9e40-29f750b58db8/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3326aff9-b360-4073-9e40-29f750b58db8/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3326aff9-b360-4073-9e40-29f750b58db8/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3326aff9-b360-4073-9e40-29f750b58db8/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3326aff9-b360-4073-9e40-29f750b58db8/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3326aff9-b360-4073-9e40-29f750b58db8/bin/ukojak-verify-EEHR8qb7sm --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 27e059eb1633b1ab9c045484375455e2667fa3360a55d0bc53eccfa53fe7600f --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:38:29,596 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:38:29,719 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3326aff9-b360-4073-9e40-29f750b58db8/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Overflow-32bit-Kojak_Default.epf [2024-11-13 16:38:29,726 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:38:29,727 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:38:29,767 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:38:29,768 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:38:29,769 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:38:29,769 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:38:29,770 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:38:29,770 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:38:29,770 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:38:29,770 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:38:29,770 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:38:29,771 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:38:29,771 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:38:29,771 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:38:29,771 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:38:29,771 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:38:29,772 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:38:29,772 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-13 16:38:29,772 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 16:38:29,772 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:38:29,772 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:38:29,772 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:38:29,773 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:38:29,773 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:38:29,773 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:38:29,773 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:38:29,773 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:38:29,774 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:38:29,774 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:38:29,774 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:38:29,774 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:38:29,775 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:38:29,775 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_3326aff9-b360-4073-9e40-29f750b58db8/bin/ukojak-verify-EEHR8qb7sm 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 -> 27e059eb1633b1ab9c045484375455e2667fa3360a55d0bc53eccfa53fe7600f [2024-11-13 16:38:30,141 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:38:30,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:38:30,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:38:30,155 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:38:30,156 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:38:30,157 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3326aff9-b360-4073-9e40-29f750b58db8/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i Unable to find full path for "g++" [2024-11-13 16:38:32,406 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:38:32,876 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:38:32,877 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3326aff9-b360-4073-9e40-29f750b58db8/sv-benchmarks/c/ldv-memsafety/memleaks_test18_2.i [2024-11-13 16:38:32,902 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3326aff9-b360-4073-9e40-29f750b58db8/bin/ukojak-verify-EEHR8qb7sm/data/e242512f4/67b5dde2d07f41ac9ac2a68492c5fc10/FLAGbdbcc58d1 [2024-11-13 16:38:32,922 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3326aff9-b360-4073-9e40-29f750b58db8/bin/ukojak-verify-EEHR8qb7sm/data/e242512f4/67b5dde2d07f41ac9ac2a68492c5fc10 [2024-11-13 16:38:32,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:38:32,928 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:38:32,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:38:32,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:38:32,939 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:38:32,941 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:38:32" (1/1) ... [2024-11-13 16:38:32,944 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4711d9e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:32, skipping insertion in model container [2024-11-13 16:38:32,945 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:38:32" (1/1) ... [2024-11-13 16:38:33,006 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:38:33,481 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:38:33,502 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:38:33,649 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:38:33,708 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:38:33,709 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:33 WrapperNode [2024-11-13 16:38:33,710 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:38:33,711 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:38:33,712 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:38:33,712 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:38:33,719 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:33" (1/1) ... [2024-11-13 16:38:33,747 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:33" (1/1) ... [2024-11-13 16:38:33,777 INFO L138 Inliner]: procedures = 164, calls = 73, calls flagged for inlining = 21, calls inlined = 3, statements flattened = 50 [2024-11-13 16:38:33,777 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:38:33,778 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:38:33,778 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:38:33,778 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:38:33,788 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:33" (1/1) ... [2024-11-13 16:38:33,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:33" (1/1) ... [2024-11-13 16:38:33,793 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:33" (1/1) ... [2024-11-13 16:38:33,797 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:33" (1/1) ... [2024-11-13 16:38:33,806 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:33" (1/1) ... [2024-11-13 16:38:33,817 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:33" (1/1) ... [2024-11-13 16:38:33,818 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:33" (1/1) ... [2024-11-13 16:38:33,818 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:33" (1/1) ... [2024-11-13 16:38:33,823 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:38:33,824 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:38:33,824 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:38:33,824 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:38:33,825 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:33" (1/1) ... [2024-11-13 16:38:33,832 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:38:33,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3326aff9-b360-4073-9e40-29f750b58db8/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:38:33,870 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3326aff9-b360-4073-9e40-29f750b58db8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:38:33,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3326aff9-b360-4073-9e40-29f750b58db8/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:38:33,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2024-11-13 16:38:33,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2024-11-13 16:38:33,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 16:38:33,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:38:33,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-13 16:38:33,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-13 16:38:33,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 16:38:33,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-13 16:38:33,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:38:33,921 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:38:34,096 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:38:34,098 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:38:34,313 INFO L? ?]: Removed 20 outVars from TransFormulas that were not future-live. [2024-11-13 16:38:34,314 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:38:34,374 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:38:34,375 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-13 16:38:34,376 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:38:34 BoogieIcfgContainer [2024-11-13 16:38:34,376 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:38:34,377 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:38:34,377 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:38:34,389 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:38:34,390 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:38:34" (1/1) ... [2024-11-13 16:38:34,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:38:34,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:34,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2024-11-13 16:38:34,481 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2024-11-13 16:38:34,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:38:34,488 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:34,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:34,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:34,836 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 16:38:34,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:34,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 30 states and 38 transitions. [2024-11-13 16:38:34,948 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 38 transitions. [2024-11-13 16:38:34,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:38:34,948 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:34,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:34,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:35,240 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 16:38:35,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:35,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 31 states and 39 transitions. [2024-11-13 16:38:35,284 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 39 transitions. [2024-11-13 16:38:35,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 16:38:35,285 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:35,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:35,393 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 16:38:35,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:35,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 32 states and 40 transitions. [2024-11-13 16:38:35,414 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 40 transitions. [2024-11-13 16:38:35,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 16:38:35,415 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:35,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:35,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:35,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 16:38:35,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:35,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 33 states and 41 transitions. [2024-11-13 16:38:35,621 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 41 transitions. [2024-11-13 16:38:35,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 16:38:35,622 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:35,622 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:35,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:35,744 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 16:38:35,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:35,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 34 states and 43 transitions. [2024-11-13 16:38:35,817 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 43 transitions. [2024-11-13 16:38:35,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 16:38:35,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:35,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:35,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:35,973 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 16:38:36,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:36,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 39 states and 52 transitions. [2024-11-13 16:38:36,113 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2024-11-13 16:38:36,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 16:38:36,115 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:36,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:36,308 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 16:38:36,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:36,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 40 states and 53 transitions. [2024-11-13 16:38:36,438 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 53 transitions. [2024-11-13 16:38:36,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:38:36,439 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:36,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:36,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:36,609 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 16:38:36,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:36,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 46 states and 62 transitions. [2024-11-13 16:38:36,799 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 62 transitions. [2024-11-13 16:38:36,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-13 16:38:36,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:36,799 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:36,983 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 16:38:37,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:37,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 48 states and 64 transitions. [2024-11-13 16:38:37,169 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 64 transitions. [2024-11-13 16:38:37,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-13 16:38:37,170 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:37,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:37,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:37,277 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 16:38:37,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:37,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 47 states and 63 transitions. [2024-11-13 16:38:37,331 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2024-11-13 16:38:37,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 16:38:37,332 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:37,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:37,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:37,600 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-13 16:38:37,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:37,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 50 states and 66 transitions. [2024-11-13 16:38:37,864 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 66 transitions. [2024-11-13 16:38:37,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-13 16:38:37,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:37,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:38,041 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 16:38:38,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:38,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 42 states and 53 transitions. [2024-11-13 16:38:38,107 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 53 transitions. [2024-11-13 16:38:38,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 16:38:38,108 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:38,108 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:38,227 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-13 16:38:38,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:38,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 41 states and 52 transitions. [2024-11-13 16:38:38,427 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 52 transitions. [2024-11-13 16:38:38,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-13 16:38:38,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:38,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:38,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:38,661 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 16:38:39,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:39,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 47 states and 61 transitions. [2024-11-13 16:38:39,072 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 61 transitions. [2024-11-13 16:38:39,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-13 16:38:39,075 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:39,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:39,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:39,399 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-11-13 16:38:39,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:39,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 52 states and 66 transitions. [2024-11-13 16:38:39,735 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 66 transitions. [2024-11-13 16:38:39,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-13 16:38:39,736 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:39,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:39,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:40,049 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 16:38:40,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:40,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 58 states and 75 transitions. [2024-11-13 16:38:40,561 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 75 transitions. [2024-11-13 16:38:40,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-13 16:38:40,562 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:40,562 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:40,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:40,972 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-13 16:38:41,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:41,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 63 states and 80 transitions. [2024-11-13 16:38:41,361 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2024-11-13 16:38:41,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-13 16:38:41,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:41,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:41,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:41,804 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 16:38:42,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:42,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 69 states and 89 transitions. [2024-11-13 16:38:42,368 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 89 transitions. [2024-11-13 16:38:42,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-13 16:38:42,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:42,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:42,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:42,782 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-11-13 16:38:43,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:43,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 74 states and 94 transitions. [2024-11-13 16:38:43,219 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 94 transitions. [2024-11-13 16:38:43,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-13 16:38:43,220 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:43,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:43,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:43,661 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-13 16:38:44,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:44,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 80 states and 103 transitions. [2024-11-13 16:38:44,282 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 103 transitions. [2024-11-13 16:38:44,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-13 16:38:44,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:44,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:44,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:44,814 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-11-13 16:38:45,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:45,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 85 states and 108 transitions. [2024-11-13 16:38:45,315 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 108 transitions. [2024-11-13 16:38:45,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2024-11-13 16:38:45,316 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:45,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:45,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:45,834 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-13 16:38:46,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:46,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 91 states and 117 transitions. [2024-11-13 16:38:46,504 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 117 transitions. [2024-11-13 16:38:46,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-13 16:38:46,506 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:46,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:46,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:47,012 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-13 16:38:47,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:47,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 96 states and 122 transitions. [2024-11-13 16:38:47,535 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 122 transitions. [2024-11-13 16:38:47,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-13 16:38:47,536 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:47,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:48,068 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 16:38:48,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:48,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 102 states and 131 transitions. [2024-11-13 16:38:48,832 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 131 transitions. [2024-11-13 16:38:48,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-13 16:38:48,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:48,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:49,502 INFO L134 CoverageAnalysis]: Checked inductivity of 226 backedges. 0 proven. 154 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-13 16:38:50,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:50,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 107 states and 136 transitions. [2024-11-13 16:38:50,089 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 136 transitions. [2024-11-13 16:38:50,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-13 16:38:50,091 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:50,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:50,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:50,720 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-13 16:38:51,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:51,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 113 states and 145 transitions. [2024-11-13 16:38:51,556 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 145 transitions. [2024-11-13 16:38:51,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-13 16:38:51,557 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:51,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:52,165 INFO L134 CoverageAnalysis]: Checked inductivity of 290 backedges. 0 proven. 200 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-13 16:38:52,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:52,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 118 states and 150 transitions. [2024-11-13 16:38:52,839 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 150 transitions. [2024-11-13 16:38:52,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2024-11-13 16:38:52,840 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:52,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:52,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:53,553 INFO L134 CoverageAnalysis]: Checked inductivity of 380 backedges. 0 proven. 270 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-11-13 16:38:54,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:54,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 124 states and 159 transitions. [2024-11-13 16:38:54,527 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 159 transitions. [2024-11-13 16:38:54,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-13 16:38:54,530 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:54,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:55,283 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-11-13 16:38:55,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:55,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 129 states and 164 transitions. [2024-11-13 16:38:55,978 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 164 transitions. [2024-11-13 16:38:55,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-13 16:38:55,981 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:55,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:59,310 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 275 proven. 55 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2024-11-13 16:39:11,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:11,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 117 states and 148 transitions. [2024-11-13 16:39:11,769 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 148 transitions. [2024-11-13 16:39:11,770 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 16:39:11,771 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 31 iterations. [2024-11-13 16:39:11,781 INFO L729 CodeCheckObserver]: All specifications hold 6 specifications checked. All of them hold [2024-11-13 16:39:12,237 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(lines 525 531) the Hoare annotation is: true [2024-11-13 16:39:12,237 INFO L77 FloydHoareUtils]: At program point ldv_mallocEXIT(lines 525 531) the Hoare annotation is: true [2024-11-13 16:39:12,237 INFO L77 FloydHoareUtils]: At program point L774-5(lines 774 776) the Hoare annotation is: true [2024-11-13 16:39:12,238 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW(line 774) the Hoare annotation is: true [2024-11-13 16:39:12,238 INFO L77 FloydHoareUtils]: At program point L766(line 766) the Hoare annotation is: (= |ULTIMATE.start_entry_point_~i~0#1| 0) [2024-11-13 16:39:12,238 INFO L77 FloydHoareUtils]: At program point L762(line 762) the Hoare annotation is: (<= |ULTIMATE.start_entry_point_~len~0#1| 10) [2024-11-13 16:39:12,238 INFO L77 FloydHoareUtils]: At program point L762-1(line 762) the Hoare annotation is: true [2024-11-13 16:39:12,238 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW(line 767) the Hoare annotation is: true [2024-11-13 16:39:12,238 INFO L77 FloydHoareUtils]: At program point L767-2(line 767) the Hoare annotation is: true [2024-11-13 16:39:12,238 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW(line 774) no Hoare annotation was computed. [2024-11-13 16:39:12,239 INFO L77 FloydHoareUtils]: At program point L767-3(line 767) the Hoare annotation is: true [2024-11-13 16:39:12,239 INFO L77 FloydHoareUtils]: At program point L767-4(lines 767 771) the Hoare annotation is: (<= |ULTIMATE.start_entry_point_~i~0#1| 2147483647) [2024-11-13 16:39:12,239 INFO L77 FloydHoareUtils]: At program point L767-5(lines 760 779) the Hoare annotation is: true [2024-11-13 16:39:12,239 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW(line 767) the Hoare annotation is: true [2024-11-13 16:39:12,241 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 16:39:12,241 INFO L77 FloydHoareUtils]: At program point L768(line 768) the Hoare annotation is: (<= |ULTIMATE.start_entry_point_~i~0#1| 2147483647) [2024-11-13 16:39:12,241 INFO L77 FloydHoareUtils]: At program point L768-1(line 768) the Hoare annotation is: true [2024-11-13 16:39:12,241 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW(line 774) the Hoare annotation is: true [2024-11-13 16:39:12,244 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 16:39:12,244 INFO L77 FloydHoareUtils]: At program point entry_point_err#1(lines 773 776) the Hoare annotation is: true [2024-11-13 16:39:12,244 INFO L77 FloydHoareUtils]: At program point L769(line 769) the Hoare annotation is: true [2024-11-13 16:39:12,244 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW(line 774) the Hoare annotation is: true [2024-11-13 16:39:12,244 INFO L77 FloydHoareUtils]: At program point L774(line 774) the Hoare annotation is: true [2024-11-13 16:39:12,244 INFO L77 FloydHoareUtils]: At program point L774-3(line 774) the Hoare annotation is: (<= 0 |ULTIMATE.start_entry_point_#t~post46#1|) [2024-11-13 16:39:12,244 INFO L77 FloydHoareUtils]: At program point L774-4(line 774) the Hoare annotation is: true [2024-11-13 16:39:12,265 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL [2024-11-13 16:39:12,266 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID [2024-11-13 16:39:12,270 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID [2024-11-13 16:39:12,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:39:12 ImpRootNode [2024-11-13 16:39:12,273 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:39:12,273 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:39:12,273 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:39:12,274 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:39:12,278 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:38:34" (3/4) ... [2024-11-13 16:39:12,281 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 16:39:12,284 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure ldv_malloc [2024-11-13 16:39:12,290 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2024-11-13 16:39:12,291 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-13 16:39:12,291 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-13 16:39:12,387 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3326aff9-b360-4073-9e40-29f750b58db8/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 16:39:12,388 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3326aff9-b360-4073-9e40-29f750b58db8/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 16:39:12,388 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:39:12,389 INFO L158 Benchmark]: Toolchain (without parser) took 39461.71ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 118.0MB in the beginning and 148.3MB in the end (delta: -30.4MB). Peak memory consumption was 154.2MB. Max. memory is 16.1GB. [2024-11-13 16:39:12,389 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 142.6MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:39:12,390 INFO L158 Benchmark]: CACSL2BoogieTranslator took 778.84ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 95.9MB in the end (delta: 21.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 16:39:12,390 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.12ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 94.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:39:12,391 INFO L158 Benchmark]: Boogie Preprocessor took 44.99ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 93.2MB in the end (delta: 805.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:39:12,391 INFO L158 Benchmark]: RCFGBuilder took 552.44ms. Allocated memory is still 142.6MB. Free memory was 93.0MB in the beginning and 78.7MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 16:39:12,392 INFO L158 Benchmark]: CodeCheck took 37895.62ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 78.7MB in the beginning and 153.1MB in the end (delta: -74.4MB). Peak memory consumption was 103.9MB. Max. memory is 16.1GB. [2024-11-13 16:39:12,392 INFO L158 Benchmark]: Witness Printer took 114.84ms. Allocated memory is still 327.2MB. Free memory was 153.1MB in the beginning and 148.3MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:39:12,395 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, 25 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 37.4s, OverallIterations: 31, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2754 SdHoareTripleChecker+Valid, 16.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1991 mSDsluCounter, 2588 SdHoareTripleChecker+Invalid, 13.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1708 mSDsCounter, 2437 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7228 IncrementalHoareTripleChecker+Invalid, 9665 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2437 mSolverCounterUnsat, 880 mSDtfsCounter, 7228 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 9103 GetRequests, 8304 SyntacticMatches, 491 SemanticMatches, 308 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40932 ImplicationChecksByTransitivity, 26.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 12.3s InterpolantComputationTime, 1310 NumberOfCodeBlocks, 1310 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 1280 ConstructedInterpolants, 0 QuantifiedInterpolants, 3124 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 7 PerfectInterpolantSequences, 1363/3331 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 - PositiveResult [Line: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 767]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 774]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 774]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 774]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 774]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold - InvariantResult [Line: 767]: Loop Invariant Derived loop invariant: (i <= 2147483647) - ProcedureContractResult [Line: 525]: Procedure Contract for ldv_malloc Derived contract for procedure ldv_malloc. Ensures: (ldv_global_msg_list == \old(ldv_global_msg_list)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 142.6MB. Free memory is still 81.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 778.84ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 95.9MB in the end (delta: 21.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.12ms. Allocated memory is still 142.6MB. Free memory was 95.9MB in the beginning and 94.0MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.99ms. Allocated memory is still 142.6MB. Free memory was 94.0MB in the beginning and 93.2MB in the end (delta: 805.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 552.44ms. Allocated memory is still 142.6MB. Free memory was 93.0MB in the beginning and 78.7MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 37895.62ms. Allocated memory was 142.6MB in the beginning and 327.2MB in the end (delta: 184.5MB). Free memory was 78.7MB in the beginning and 153.1MB in the end (delta: -74.4MB). Peak memory consumption was 103.9MB. Max. memory is 16.1GB. * Witness Printer took 114.84ms. Allocated memory is still 327.2MB. Free memory was 153.1MB in the beginning and 148.3MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_ALL - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PID - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~unnamed0~0~P_PGID RESULT: Ultimate proved your program to be correct! [2024-11-13 16:39:12,438 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3326aff9-b360-4073-9e40-29f750b58db8/bin/ukojak-verify-EEHR8qb7sm/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