./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 cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e52f8d-60d0-4470-9663-7fa45554be11/bin/ukojak-verify-0OAaufAVZV/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e52f8d-60d0-4470-9663-7fa45554be11/bin/ukojak-verify-0OAaufAVZV/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e52f8d-60d0-4470-9663-7fa45554be11/bin/ukojak-verify-0OAaufAVZV/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e52f8d-60d0-4470-9663-7fa45554be11/bin/ukojak-verify-0OAaufAVZV/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_60e52f8d-60d0-4470-9663-7fa45554be11/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e52f8d-60d0-4470-9663-7fa45554be11/bin/ukojak-verify-0OAaufAVZV --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 0.2.3-dev-cf1a783 [2023-11-11 23:52:57,924 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-11 23:52:58,040 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e52f8d-60d0-4470-9663-7fa45554be11/bin/ukojak-verify-0OAaufAVZV/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-11 23:52:58,047 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-11 23:52:58,047 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-11 23:52:58,093 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-11 23:52:58,094 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-11 23:52:58,095 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-11 23:52:58,096 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-11 23:52:58,101 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-11 23:52:58,102 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-11 23:52:58,103 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-11 23:52:58,103 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-11 23:52:58,105 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-11 23:52:58,105 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-11 23:52:58,105 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-11 23:52:58,106 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-11 23:52:58,106 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-11 23:52:58,107 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-11 23:52:58,107 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-11 23:52:58,107 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-11 23:52:58,108 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-11 23:52:58,109 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-11 23:52:58,109 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:52:58,110 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-11 23:52:58,110 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-11 23:52:58,111 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-11 23:52:58,111 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-11 23:52:58,111 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e52f8d-60d0-4470-9663-7fa45554be11/bin/ukojak-verify-0OAaufAVZV/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e52f8d-60d0-4470-9663-7fa45554be11/bin/ukojak-verify-0OAaufAVZV Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a7528f200456114b53348dcc6f65daa446d01523914ddd1f3b2ed0ccb2daf1cf [2023-11-11 23:52:58,466 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-11 23:52:58,502 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-11 23:52:58,505 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-11 23:52:58,507 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-11 23:52:58,508 INFO L274 PluginConnector]: CDTParser initialized [2023-11-11 23:52:58,510 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e52f8d-60d0-4470-9663-7fa45554be11/bin/ukojak-verify-0OAaufAVZV/../../sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i [2023-11-11 23:53:01,729 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-11 23:53:02,020 INFO L384 CDTParser]: Found 1 translation units. [2023-11-11 23:53:02,021 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e52f8d-60d0-4470-9663-7fa45554be11/sv-benchmarks/c/array-memsafety-realloc/array-realloc-1.i [2023-11-11 23:53:02,047 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e52f8d-60d0-4470-9663-7fa45554be11/bin/ukojak-verify-0OAaufAVZV/data/de8e3a362/482b94fc3dff4f41a4a0d2c70fe7aa11/FLAGf354e8d9e [2023-11-11 23:53:02,063 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e52f8d-60d0-4470-9663-7fa45554be11/bin/ukojak-verify-0OAaufAVZV/data/de8e3a362/482b94fc3dff4f41a4a0d2c70fe7aa11 [2023-11-11 23:53:02,065 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-11 23:53:02,068 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-11 23:53:02,075 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-11 23:53:02,076 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-11 23:53:02,082 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-11 23:53:02,082 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:53:02" (1/1) ... [2023-11-11 23:53:02,084 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@376c41d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:02, skipping insertion in model container [2023-11-11 23:53:02,084 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.11 11:53:02" (1/1) ... [2023-11-11 23:53:02,134 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-11 23:53:02,475 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:53:02,493 INFO L202 MainTranslator]: Completed pre-run [2023-11-11 23:53:02,559 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-11 23:53:02,600 INFO L206 MainTranslator]: Completed translation [2023-11-11 23:53:02,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:02 WrapperNode [2023-11-11 23:53:02,601 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-11 23:53:02,603 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-11 23:53:02,603 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-11 23:53:02,603 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-11 23:53:02,611 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:02" (1/1) ... [2023-11-11 23:53:02,638 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:02" (1/1) ... [2023-11-11 23:53:02,666 INFO L138 Inliner]: procedures = 117, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 58 [2023-11-11 23:53:02,667 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-11 23:53:02,668 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-11 23:53:02,668 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-11 23:53:02,669 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-11 23:53:02,684 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:02" (1/1) ... [2023-11-11 23:53:02,685 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:02" (1/1) ... [2023-11-11 23:53:02,697 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:02" (1/1) ... [2023-11-11 23:53:02,698 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:02" (1/1) ... [2023-11-11 23:53:02,712 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:02" (1/1) ... [2023-11-11 23:53:02,720 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:02" (1/1) ... [2023-11-11 23:53:02,726 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:02" (1/1) ... [2023-11-11 23:53:02,735 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:02" (1/1) ... [2023-11-11 23:53:02,738 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-11 23:53:02,739 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-11 23:53:02,739 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-11 23:53:02,739 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-11 23:53:02,740 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.11 11:53:02" (1/1) ... [2023-11-11 23:53:02,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-11 23:53:02,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e52f8d-60d0-4470-9663-7fa45554be11/bin/ukojak-verify-0OAaufAVZV/z3 [2023-11-11 23:53:02,791 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e52f8d-60d0-4470-9663-7fa45554be11/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-11 23:53:02,793 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e52f8d-60d0-4470-9663-7fa45554be11/bin/ukojak-verify-0OAaufAVZV/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-11 23:53:02,829 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-11 23:53:02,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-11 23:53:02,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-11 23:53:02,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-11 23:53:02,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-11 23:53:02,994 INFO L236 CfgBuilder]: Building ICFG [2023-11-11 23:53:02,996 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-11 23:53:03,195 INFO L277 CfgBuilder]: Performing block encoding [2023-11-11 23:53:03,289 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-11 23:53:03,293 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-11 23:53:03,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:53:03 BoogieIcfgContainer [2023-11-11 23:53:03,297 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-11 23:53:03,300 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-11 23:53:03,300 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-11 23:53:03,312 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-11 23:53:03,313 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:53:03" (1/1) ... [2023-11-11 23:53:03,324 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-11 23:53:03,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:03,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 24 states and 27 transitions. [2023-11-11 23:53:03,383 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 27 transitions. [2023-11-11 23:53:03,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-11 23:53:03,385 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:03,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:03,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:03,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:03,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2023-11-11 23:53:03,650 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2023-11-11 23:53:03,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-11 23:53:03,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:03,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:03,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:03,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:03,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2023-11-11 23:53:03,793 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2023-11-11 23:53:03,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:53:03,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:03,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:03,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:04,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:04,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:04,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 25 states and 29 transitions. [2023-11-11 23:53:04,216 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 29 transitions. [2023-11-11 23:53:04,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-11 23:53:04,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:04,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:04,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:04,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:04,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2023-11-11 23:53:04,959 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2023-11-11 23:53:04,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-11 23:53:04,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:04,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:04,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:05,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:05,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:05,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2023-11-11 23:53:05,354 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2023-11-11 23:53:05,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:53:05,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:05,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:05,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:05,694 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:06,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:06,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2023-11-11 23:53:06,436 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2023-11-11 23:53:06,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-11 23:53:06,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:06,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:06,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:07,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:07,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 31 states and 45 transitions. [2023-11-11 23:53:07,142 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 45 transitions. [2023-11-11 23:53:07,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-11 23:53:07,142 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:07,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:07,218 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:07,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:07,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2023-11-11 23:53:07,456 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2023-11-11 23:53:07,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:53:07,456 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:07,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:07,560 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:08,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:08,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 38 states and 63 transitions. [2023-11-11 23:53:08,359 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 63 transitions. [2023-11-11 23:53:08,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:53:08,360 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:08,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:08,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:08,442 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:53:09,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:09,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 44 states and 79 transitions. [2023-11-11 23:53:09,775 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 79 transitions. [2023-11-11 23:53:09,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:53:09,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:09,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:09,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:10,181 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:10,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:10,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 45 states and 80 transitions. [2023-11-11 23:53:10,789 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 80 transitions. [2023-11-11 23:53:10,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-11 23:53:10,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:10,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:10,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:10,983 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:11,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:11,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 46 states and 86 transitions. [2023-11-11 23:53:11,164 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 86 transitions. [2023-11-11 23:53:11,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:53:11,165 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:11,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:11,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:11,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:12,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:12,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 50 states and 98 transitions. [2023-11-11 23:53:12,331 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 98 transitions. [2023-11-11 23:53:12,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:53:12,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:12,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:12,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:12,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:53:14,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:14,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 57 states and 118 transitions. [2023-11-11 23:53:14,554 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 118 transitions. [2023-11-11 23:53:14,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-11 23:53:14,556 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:14,557 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:14,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:14,622 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:53:14,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:14,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 58 states and 119 transitions. [2023-11-11 23:53:14,883 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 119 transitions. [2023-11-11 23:53:14,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:53:14,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:14,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:14,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:15,006 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:15,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:15,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 59 states and 124 transitions. [2023-11-11 23:53:15,808 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 124 transitions. [2023-11-11 23:53:15,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:53:15,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:15,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:15,895 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:53:16,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:16,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 59 states and 123 transitions. [2023-11-11 23:53:16,564 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 123 transitions. [2023-11-11 23:53:16,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:53:16,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:16,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:16,591 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:53:17,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:17,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 61 states and 128 transitions. [2023-11-11 23:53:17,283 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 128 transitions. [2023-11-11 23:53:17,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:53:17,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:17,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:17,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:17,907 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:18,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:18,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 62 states and 130 transitions. [2023-11-11 23:53:18,777 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 130 transitions. [2023-11-11 23:53:18,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-11 23:53:18,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:18,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:18,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:19,062 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:19,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:19,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 63 states and 139 transitions. [2023-11-11 23:53:19,301 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 139 transitions. [2023-11-11 23:53:19,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:53:19,304 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:19,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:19,328 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:53:20,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:20,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 66 states and 141 transitions. [2023-11-11 23:53:20,210 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 141 transitions. [2023-11-11 23:53:20,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:53:20,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:20,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:20,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:20,251 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:53:21,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:21,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 68 states and 147 transitions. [2023-11-11 23:53:21,050 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 147 transitions. [2023-11-11 23:53:21,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:53:21,051 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:21,051 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:21,082 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-11 23:53:21,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:21,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 68 states and 146 transitions. [2023-11-11 23:53:21,475 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 146 transitions. [2023-11-11 23:53:21,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-11 23:53:21,476 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:21,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:21,555 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:53:21,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:21,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 69 states and 147 transitions. [2023-11-11 23:53:21,919 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 147 transitions. [2023-11-11 23:53:21,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:53:21,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:21,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:21,940 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:53:22,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:22,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 72 states and 149 transitions. [2023-11-11 23:53:22,805 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 149 transitions. [2023-11-11 23:53:22,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:53:22,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:22,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:22,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:22,851 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-11 23:53:23,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:23,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 72 states and 148 transitions. [2023-11-11 23:53:23,283 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 148 transitions. [2023-11-11 23:53:23,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:53:23,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:23,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:23,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:23,336 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-11 23:53:24,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:24,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 72 states and 147 transitions. [2023-11-11 23:53:24,146 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 147 transitions. [2023-11-11 23:53:24,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:53:24,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:24,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:24,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:24,185 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-11 23:53:25,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:25,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 74 states and 151 transitions. [2023-11-11 23:53:25,108 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 151 transitions. [2023-11-11 23:53:25,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:53:25,108 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:25,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:25,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:25,851 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:26,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:26,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 75 states and 153 transitions. [2023-11-11 23:53:26,890 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 153 transitions. [2023-11-11 23:53:26,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-11 23:53:26,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:26,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:26,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-11 23:53:27,314 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-11 23:53:27,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-11 23:53:27,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 76 states and 162 transitions. [2023-11-11 23:53:27,748 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 162 transitions. [2023-11-11 23:53:27,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-11 23:53:27,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-11 23:53:27,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-11 23:53:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:53:27,760 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:53:27,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:53:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:53:27,825 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-11 23:53:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-11 23:53:27,874 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 31 iterations. [2023-11-11 23:53:27,931 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_realloc_#res#1 [2023-11-11 23:53:27,932 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_realloc_#res#1 [2023-11-11 23:53:27,933 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_realloc_#res#1 [2023-11-11 23:53:27,933 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_realloc_#res#1 [2023-11-11 23:53:27,934 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_realloc_#res#1 [2023-11-11 23:53:27,935 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_realloc_#res#1 [2023-11-11 23:53:27,935 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_realloc_#res#1 [2023-11-11 23:53:27,936 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_realloc_#res#1 [2023-11-11 23:53:27,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 11.11 11:53:27 ImpRootNode [2023-11-11 23:53:27,943 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-11 23:53:27,944 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-11 23:53:27,944 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-11 23:53:27,944 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-11 23:53:27,945 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.11 11:53:03" (3/4) ... [2023-11-11 23:53:27,946 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-11-11 23:53:27,964 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_realloc_#res#1 [2023-11-11 23:53:27,969 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_realloc_#res#1 [2023-11-11 23:53:27,969 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_realloc_#res#1 [2023-11-11 23:53:27,970 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_realloc_#res#1 [2023-11-11 23:53:27,972 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_realloc_#res#1 [2023-11-11 23:53:27,973 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_realloc_#res#1 [2023-11-11 23:53:27,974 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_realloc_#res#1 [2023-11-11 23:53:27,975 WARN L1567 BoogieBacktranslator]: Unfinished Backtranslation: unknown boogie variable #Ultimate.C_realloc_#res#1 [2023-11-11 23:53:28,029 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e52f8d-60d0-4470-9663-7fa45554be11/bin/ukojak-verify-0OAaufAVZV/witness.graphml [2023-11-11 23:53:28,032 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-11 23:53:28,034 INFO L158 Benchmark]: Toolchain (without parser) took 25966.14ms. Allocated memory was 142.6MB in the beginning and 209.7MB in the end (delta: 67.1MB). Free memory was 95.8MB in the beginning and 104.0MB in the end (delta: -8.2MB). Peak memory consumption was 61.0MB. Max. memory is 16.1GB. [2023-11-11 23:53:28,037 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 111.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:53:28,037 INFO L158 Benchmark]: CACSL2BoogieTranslator took 526.63ms. Allocated memory is still 142.6MB. Free memory was 95.3MB in the beginning and 79.0MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:53:28,039 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.16ms. Allocated memory is still 142.6MB. Free memory was 79.0MB in the beginning and 77.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-11 23:53:28,039 INFO L158 Benchmark]: Boogie Preprocessor took 70.29ms. Allocated memory is still 142.6MB. Free memory was 77.4MB in the beginning and 75.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-11 23:53:28,040 INFO L158 Benchmark]: RCFGBuilder took 558.99ms. Allocated memory is still 142.6MB. Free memory was 75.9MB in the beginning and 60.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-11 23:53:28,040 INFO L158 Benchmark]: CodeCheck took 24643.28ms. Allocated memory was 142.6MB in the beginning and 209.7MB in the end (delta: 67.1MB). Free memory was 60.1MB in the beginning and 107.1MB in the end (delta: -47.0MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. [2023-11-11 23:53:28,040 INFO L158 Benchmark]: Witness Printer took 89.35ms. Allocated memory is still 209.7MB. Free memory was 107.1MB in the beginning and 104.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-11 23:53:28,047 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: 24.5s, 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, 19.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1992 mSDsluCounter, 341 SdHoareTripleChecker+Invalid, 16.2s 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, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3196 GetRequests, 2896 SyntacticMatches, 32 SemanticMatches, 268 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31768 ImplicationChecksByTransitivity, 18.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 306 NumberOfCodeBlocks, 306 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 262 ConstructedInterpolants, 0 QuantifiedInterpolants, 953 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}, arg={-1:0}, arg={-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}, arg={-1:0}, arg={-1:0}, b={-1:0}, i=1, ind=0, newsize=1, num=1] [L517] COND FALSE !(newsize < num) VAL [a={-1:0}, arg={-1:0}, arg={-1:0}, b={-1:0}, i=1, ind=0, newsize=1, num=1] [L523] COND TRUE b != ((void *)0) VAL [a={-1:0}, arg={-1:0}, arg={-1:0}, b={-1:0}, i=1, ind=0, newsize=1, num=1] [L524] free(b) VAL [a={-1:0}, arg={-1:0}, arg={-1:0}, b={-1:0}, i=1, ind=0, newsize=1, num=1] [L524] free(b) VAL [a={-1:0}, arg={-1:0}, arg={-1:0}, b={-1:0}, i=1, ind=0, newsize=1, num=1] [L524] free(b) [L525] return 0; [L537] RET expandArray(a) [L538] free(a) VAL [\old(argc)=3, a={-1:0}, argc=3, argv={6:5}, argv={6:5}, i=1, ind=0, newsize=1, num=1] [L538] free(a) VAL [\old(argc)=3, a={-1:0}, argc=3, argv={6:5}, argv={6:5}, i=1, ind=0, newsize=1, num=1] [L538] free(a) VAL [\old(argc)=3, a={-1:0}, argc=3, argv={6:5}, argv={6:5}, i=1, ind=0, newsize=1, num=1] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 111.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 526.63ms. Allocated memory is still 142.6MB. Free memory was 95.3MB in the beginning and 79.0MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 64.16ms. Allocated memory is still 142.6MB. Free memory was 79.0MB in the beginning and 77.4MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.29ms. Allocated memory is still 142.6MB. Free memory was 77.4MB in the beginning and 75.9MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 558.99ms. Allocated memory is still 142.6MB. Free memory was 75.9MB in the beginning and 60.1MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 24643.28ms. Allocated memory was 142.6MB in the beginning and 209.7MB in the end (delta: 67.1MB). Free memory was 60.1MB in the beginning and 107.1MB in the end (delta: -47.0MB). Peak memory consumption was 21.1MB. Max. memory is 16.1GB. * Witness Printer took 89.35ms. Allocated memory is still 209.7MB. Free memory was 107.1MB in the beginning and 104.0MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_realloc_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_realloc_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_realloc_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_realloc_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_realloc_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_realloc_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_realloc_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_realloc_#res#1 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_realloc_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_realloc_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_realloc_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_realloc_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_realloc_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_realloc_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_realloc_#res#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: unknown boogie variable #Ultimate.C_realloc_#res#1 - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-11-11 23:53:28,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_60e52f8d-60d0-4470-9663-7fa45554be11/bin/ukojak-verify-0OAaufAVZV/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)