./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0d7fde-19e6-4cfc-8f22-65e99dc58f59/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0d7fde-19e6-4cfc-8f22-65e99dc58f59/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_1e0d7fde-19e6-4cfc-8f22-65e99dc58f59/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0d7fde-19e6-4cfc-8f22-65e99dc58f59/bin/ukojak-verify-EEHR8qb7sm/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0d7fde-19e6-4cfc-8f22-65e99dc58f59/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0d7fde-19e6-4cfc-8f22-65e99dc58f59/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a7528f200456114b53348dcc6f65daa446d01523914ddd1f3b2ed0ccb2daf1cf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:43:05,599 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:43:05,712 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0d7fde-19e6-4cfc-8f22-65e99dc58f59/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2024-11-13 22:43:05,718 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:43:05,718 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:43:05,765 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:43:05,766 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:43:05,766 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:43:05,767 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:43:05,767 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:43:05,767 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:43:05,767 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:43:05,768 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:43:05,768 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-13 22:43:05,768 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-13 22:43:05,768 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-13 22:43:05,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:43:05,769 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:43:05,769 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 22:43:05,769 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:43:05,769 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:43:05,769 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:43:05,769 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:43:05,770 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:43:05,770 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:43:05,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:43:05,770 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:43:05,770 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:43:05,771 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:43:05,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:43:05,771 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_1e0d7fde-19e6-4cfc-8f22-65e99dc58f59/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> a7528f200456114b53348dcc6f65daa446d01523914ddd1f3b2ed0ccb2daf1cf [2024-11-13 22:43:06,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:43:06,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:43:06,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:43:06,184 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:43:06,184 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:43:06,186 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0d7fde-19e6-4cfc-8f22-65e99dc58f59/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i Unable to find full path for "g++" [2024-11-13 22:43:08,532 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:43:08,969 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:43:08,970 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0d7fde-19e6-4cfc-8f22-65e99dc58f59/sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i [2024-11-13 22:43:08,989 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0d7fde-19e6-4cfc-8f22-65e99dc58f59/bin/ukojak-verify-EEHR8qb7sm/data/818048d74/6cab0ac3c38e4e1ea50b446516465b52/FLAGe0e79f4bc [2024-11-13 22:43:09,006 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0d7fde-19e6-4cfc-8f22-65e99dc58f59/bin/ukojak-verify-EEHR8qb7sm/data/818048d74/6cab0ac3c38e4e1ea50b446516465b52 [2024-11-13 22:43:09,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:43:09,011 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:43:09,013 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:43:09,013 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:43:09,022 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:43:09,023 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:43:09" (1/1) ... [2024-11-13 22:43:09,024 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@642abd3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:09, skipping insertion in model container [2024-11-13 22:43:09,025 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:43:09" (1/1) ... [2024-11-13 22:43:09,061 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:43:09,488 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:43:09,504 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:43:09,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:43:09,600 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:43:09,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:09 WrapperNode [2024-11-13 22:43:09,602 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:43:09,603 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:43:09,603 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:43:09,604 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:43:09,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:09" (1/1) ... [2024-11-13 22:43:09,627 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:09" (1/1) ... [2024-11-13 22:43:09,657 INFO L138 Inliner]: procedures = 117, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 56 [2024-11-13 22:43:09,658 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:43:09,659 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:43:09,659 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:43:09,659 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:43:09,666 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:09" (1/1) ... [2024-11-13 22:43:09,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:09" (1/1) ... [2024-11-13 22:43:09,671 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:09" (1/1) ... [2024-11-13 22:43:09,672 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:09" (1/1) ... [2024-11-13 22:43:09,681 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:09" (1/1) ... [2024-11-13 22:43:09,691 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:09" (1/1) ... [2024-11-13 22:43:09,700 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:09" (1/1) ... [2024-11-13 22:43:09,701 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:09" (1/1) ... [2024-11-13 22:43:09,710 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:43:09,711 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:43:09,711 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:43:09,711 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:43:09,712 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:43:09" (1/1) ... [2024-11-13 22:43:09,727 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:43:09,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0d7fde-19e6-4cfc-8f22-65e99dc58f59/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:43:09,773 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0d7fde-19e6-4cfc-8f22-65e99dc58f59/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:43:09,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0d7fde-19e6-4cfc-8f22-65e99dc58f59/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:43:09,826 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:43:09,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-13 22:43:09,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:43:09,829 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:43:09,829 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:43:09,981 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:43:09,983 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:43:10,199 INFO L? ?]: Removed 44 outVars from TransFormulas that were not future-live. [2024-11-13 22:43:10,199 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:43:10,281 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:43:10,281 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:43:10,282 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:43:10 BoogieIcfgContainer [2024-11-13 22:43:10,282 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:43:10,283 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:43:10,283 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:43:10,295 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:43:10,295 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:43:10" (1/1) ... [2024-11-13 22:43:10,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:43:10,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:10,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2024-11-13 22:43:10,384 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2024-11-13 22:43:10,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-13 22:43:10,386 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:10,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:10,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:43:10,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:10,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2024-11-13 22:43:10,595 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2024-11-13 22:43:10,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-13 22:43:10,596 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:10,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:10,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:43:10,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:10,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2024-11-13 22:43:10,710 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2024-11-13 22:43:10,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:43:10,711 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:10,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:10,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:11,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:43:11,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:11,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2024-11-13 22:43:11,140 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2024-11-13 22:43:11,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:43:11,140 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:11,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:11,512 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:43:11,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:11,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2024-11-13 22:43:11,880 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-11-13 22:43:11,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-13 22:43:11,880 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:11,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:12,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:43:12,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:12,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2024-11-13 22:43:12,469 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2024-11-13 22:43:12,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:43:12,474 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:12,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:12,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:13,030 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:43:14,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:14,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-11-13 22:43:14,068 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-11-13 22:43:14,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-13 22:43:14,069 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:14,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:14,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:14,516 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:43:15,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:15,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2024-11-13 22:43:15,094 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2024-11-13 22:43:15,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:43:15,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:15,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:15,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:43:15,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:15,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-11-13 22:43:15,473 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-11-13 22:43:15,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:43:15,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:15,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:15,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:15,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:43:16,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:16,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2024-11-13 22:43:16,404 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2024-11-13 22:43:16,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:43:16,404 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:16,404 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:16,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:43:17,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:17,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 44 states and 79 transitions. [2024-11-13 22:43:17,997 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 79 transitions. [2024-11-13 22:43:17,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:43:17,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:17,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:18,556 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:43:19,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:19,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 45 states and 80 transitions. [2024-11-13 22:43:19,231 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 80 transitions. [2024-11-13 22:43:19,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:43:19,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:19,232 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:19,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:19,563 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:43:19,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:19,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 46 states and 86 transitions. [2024-11-13 22:43:19,927 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 86 transitions. [2024-11-13 22:43:19,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:43:19,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:19,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:19,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:19,958 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:43:21,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:21,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 50 states and 98 transitions. [2024-11-13 22:43:21,297 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 98 transitions. [2024-11-13 22:43:21,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:43:21,298 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:21,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:21,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:21,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:43:23,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:23,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 57 states and 118 transitions. [2024-11-13 22:43:23,612 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 118 transitions. [2024-11-13 22:43:23,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 22:43:23,613 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:23,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:23,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:23,669 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:43:23,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:23,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 58 states and 119 transitions. [2024-11-13 22:43:23,922 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 119 transitions. [2024-11-13 22:43:23,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:43:23,924 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:23,924 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:23,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:24,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:43:24,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:24,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 59 states and 124 transitions. [2024-11-13 22:43:24,922 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 124 transitions. [2024-11-13 22:43:24,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:43:24,922 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:24,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:24,967 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:43:25,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:25,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 59 states and 123 transitions. [2024-11-13 22:43:25,690 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 123 transitions. [2024-11-13 22:43:25,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:43:25,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:25,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:25,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:25,725 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:43:26,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:26,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 61 states and 128 transitions. [2024-11-13 22:43:26,541 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 128 transitions. [2024-11-13 22:43:26,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:43:26,542 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:26,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:27,111 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:43:28,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:28,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 62 states and 130 transitions. [2024-11-13 22:43:28,002 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 130 transitions. [2024-11-13 22:43:28,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 22:43:28,003 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:28,003 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:28,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:28,311 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:43:28,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:28,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 63 states and 139 transitions. [2024-11-13 22:43:28,614 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 139 transitions. [2024-11-13 22:43:28,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:43:28,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:28,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:28,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:28,639 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:43:29,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:29,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 66 states and 141 transitions. [2024-11-13 22:43:29,749 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 141 transitions. [2024-11-13 22:43:29,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:43:29,750 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:29,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:29,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:29,826 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:43:30,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:30,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 68 states and 147 transitions. [2024-11-13 22:43:30,775 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 147 transitions. [2024-11-13 22:43:30,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:43:30,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:30,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:30,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:30,814 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-13 22:43:31,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:31,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 68 states and 146 transitions. [2024-11-13 22:43:31,318 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 146 transitions. [2024-11-13 22:43:31,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 22:43:31,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:31,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:31,398 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:43:31,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:31,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 69 states and 147 transitions. [2024-11-13 22:43:31,762 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 147 transitions. [2024-11-13 22:43:31,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:43:31,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:31,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:31,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:31,789 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:43:32,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:33,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 72 states and 149 transitions. [2024-11-13 22:43:33,000 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 149 transitions. [2024-11-13 22:43:33,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:43:33,000 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:33,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:33,040 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-13 22:43:33,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:33,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 72 states and 148 transitions. [2024-11-13 22:43:33,652 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 148 transitions. [2024-11-13 22:43:33,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:43:33,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:33,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:33,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:33,709 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-13 22:43:34,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:34,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 72 states and 147 transitions. [2024-11-13 22:43:34,776 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 147 transitions. [2024-11-13 22:43:34,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:43:34,776 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:34,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:34,819 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-13 22:43:36,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:36,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 74 states and 151 transitions. [2024-11-13 22:43:36,159 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 151 transitions. [2024-11-13 22:43:36,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:43:36,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:36,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:37,250 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:43:38,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:38,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 75 states and 153 transitions. [2024-11-13 22:43:38,459 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 153 transitions. [2024-11-13 22:43:38,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:43:38,459 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:38,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:38,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:38,777 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:43:39,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:43:39,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 76 states and 162 transitions. [2024-11-13 22:43:39,194 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 162 transitions. [2024-11-13 22:43:39,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 22:43:39,195 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:43:39,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:43:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:43:39,213 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:43:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:43:39,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:43:39,365 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:43:39,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:43:39,432 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 31 iterations. [2024-11-13 22:43:39,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:43:39 ImpRootNode [2024-11-13 22:43:39,499 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:43:39,504 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:43:39,504 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:43:39,504 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:43:39,505 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:43:10" (3/4) ... [2024-11-13 22:43:39,506 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-13 22:43:39,555 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0d7fde-19e6-4cfc-8f22-65e99dc58f59/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:43:39,555 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:43:39,557 INFO L158 Benchmark]: Toolchain (without parser) took 30545.90ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 92.6MB in the beginning and 181.6MB in the end (delta: -89.0MB). Peak memory consumption was 141.4MB. Max. memory is 16.1GB. [2024-11-13 22:43:39,557 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:43:39,558 INFO L158 Benchmark]: CACSL2BoogieTranslator took 589.60ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 76.0MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:43:39,558 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.40ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 74.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:43:39,558 INFO L158 Benchmark]: Boogie Preprocessor took 51.05ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 73.5MB in the end (delta: 710.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:43:39,559 INFO L158 Benchmark]: RCFGBuilder took 571.17ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 57.6MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:43:39,559 INFO L158 Benchmark]: CodeCheck took 29216.53ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 57.6MB in the beginning and 185.7MB in the end (delta: -128.1MB). Peak memory consumption was 107.9MB. Max. memory is 16.1GB. [2024-11-13 22:43:39,560 INFO L158 Benchmark]: Witness Printer took 51.81ms. Allocated memory is still 352.3MB. Free memory was 185.7MB in the beginning and 181.6MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:43:39,562 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 1 procedures, 24 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 29.1s, OverallIterations: 31, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2445 SdHoareTripleChecker+Valid, 22.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1992 mSDsluCounter, 341 SdHoareTripleChecker+Invalid, 19.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 162 mSDsCounter, 1940 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 9434 IncrementalHoareTripleChecker+Invalid, 11374 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1940 mSolverCounterUnsat, 179 mSDtfsCounter, 9434 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3205 GetRequests, 2889 SyntacticMatches, 50 SemanticMatches, 266 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30844 ImplicationChecksByTransitivity, 22.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 306 NumberOfCodeBlocks, 306 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 262 ConstructedInterpolants, 0 QuantifiedInterpolants, 1013 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 22 PerfectInterpolantSequences, 59/139 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 - CounterExampleResult [Line: 538]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L512] int num; [L513] int ind, newsize, i = 1; [L528] num = __VERIFIER_nondet_int() [L529] COND FALSE !(!(num > 0 && num < 100)) [L532] int *a = (int *)malloc(sizeof(int)); [L533] COND FALSE !(a == ((void *)0)) [L536] newsize = 0 [L537] CALL expandArray(a) [L515] int *a = (int *)arg; [L516] int *b = ((void *)0); VAL [a={-1:0}, b={0:0}, i=1, ind=0, newsize=0, num=1] [L517] COND TRUE newsize < num [L518] newsize = newsize + 1 [L519] EXPR, FCALL realloc(a, sizeof(int) * newsize) [L519] b = realloc(a, sizeof(int) * newsize) [L520] b[newsize - 1] = i [L521] a = b VAL [a={-1:0}, b={-1:0}, i=1, ind=0, newsize=1, num=1] [L517] COND FALSE !(newsize < num) VAL [a={-1:0}, b={-1:0}, i=1, ind=0, newsize=1, num=1] [L523] COND TRUE b != ((void *)0) VAL [a={-1:0}, b={-1:0}, i=1, ind=0, newsize=1, num=1] [L524] free(b) VAL [a={-1:0}, i=1, ind=0, newsize=1, num=1] [L524] free(b) VAL [a={-1:0}, i=1, ind=0, newsize=1, num=1] [L524] free(b) [L525] return 0; [L537] RET expandArray(a) [L538] free(a) VAL [i=1, ind=0, newsize=1, num=1] [L538] free(a) VAL [i=1, ind=0, newsize=1, num=1] [L538] free(a) VAL [i=1, ind=0, newsize=1, num=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 167.8MB. Free memory is still 104.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 589.60ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 76.0MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.40ms. Allocated memory is still 117.4MB. Free memory was 76.0MB in the beginning and 74.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 51.05ms. Allocated memory is still 117.4MB. Free memory was 74.3MB in the beginning and 73.5MB in the end (delta: 710.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 571.17ms. Allocated memory is still 117.4MB. Free memory was 73.2MB in the beginning and 57.6MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 29216.53ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 57.6MB in the beginning and 185.7MB in the end (delta: -128.1MB). Peak memory consumption was 107.9MB. Max. memory is 16.1GB. * Witness Printer took 51.81ms. Allocated memory is still 352.3MB. Free memory was 185.7MB in the beginning and 181.6MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2024-11-13 22:43:39,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1e0d7fde-19e6-4cfc-8f22-65e99dc58f59/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free)