./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-15/cstrncpy_reverse_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-15/cstrncpy_reverse_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b --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 64bit --witnessprinter.graph.data.programhash 3c4d1f74b81dbb287c4425592070f3cc0de08845db85b6da85a8a6e68f14746e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:00:51,878 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:00:51,938 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2024-12-06 02:00:51,942 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:00:51,942 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:00:51,962 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:00:51,963 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:00:51,964 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:00:51,964 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:00:51,964 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:00:51,964 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:00:51,964 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 02:00:51,964 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 02:00:51,964 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 02:00:51,964 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:00:51,965 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:00:51,965 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:00:51,965 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:00:51,965 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:00:51,965 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:00:51,965 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:00:51,965 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:00:51,965 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:00:51,966 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:00:51,966 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:00:51,966 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:00:51,966 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:00:51,966 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_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c4d1f74b81dbb287c4425592070f3cc0de08845db85b6da85a8a6e68f14746e [2024-12-06 02:00:52,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:00:52,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:00:52,198 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:00:52,199 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:00:52,200 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:00:52,201 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-15/cstrncpy_reverse_alloca.i [2024-12-06 02:00:54,952 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/data/fe432b3ac/41d611b748274d88b28c14c0e9d6773e/FLAG7a662bccf [2024-12-06 02:00:55,177 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:00:55,178 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/sv-benchmarks/c/termination-15/cstrncpy_reverse_alloca.i [2024-12-06 02:00:55,186 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/data/fe432b3ac/41d611b748274d88b28c14c0e9d6773e/FLAG7a662bccf [2024-12-06 02:00:55,201 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/data/fe432b3ac/41d611b748274d88b28c14c0e9d6773e [2024-12-06 02:00:55,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:00:55,204 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:00:55,205 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:00:55,205 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:00:55,208 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:00:55,209 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:00:55" (1/1) ... [2024-12-06 02:00:55,209 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cd8950f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:00:55, skipping insertion in model container [2024-12-06 02:00:55,209 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:00:55" (1/1) ... [2024-12-06 02:00:55,233 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:00:55,485 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:00:55,496 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:00:55,535 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:00:55,567 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:00:55,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:00:55 WrapperNode [2024-12-06 02:00:55,567 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:00:55,568 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:00:55,568 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:00:55,568 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:00:55,575 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:00:55" (1/1) ... [2024-12-06 02:00:55,584 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:00:55" (1/1) ... [2024-12-06 02:00:55,603 INFO L138 Inliner]: procedures = 152, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2024-12-06 02:00:55,603 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:00:55,603 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:00:55,604 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:00:55,604 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:00:55,612 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:00:55" (1/1) ... [2024-12-06 02:00:55,612 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:00:55" (1/1) ... [2024-12-06 02:00:55,614 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:00:55" (1/1) ... [2024-12-06 02:00:55,614 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:00:55" (1/1) ... [2024-12-06 02:00:55,620 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:00:55" (1/1) ... [2024-12-06 02:00:55,621 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:00:55" (1/1) ... [2024-12-06 02:00:55,624 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:00:55" (1/1) ... [2024-12-06 02:00:55,625 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:00:55" (1/1) ... [2024-12-06 02:00:55,626 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:00:55" (1/1) ... [2024-12-06 02:00:55,628 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:00:55,629 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:00:55,629 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:00:55,629 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:00:55,630 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:00:55" (1/1) ... [2024-12-06 02:00:55,635 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:00:55,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:00:55,662 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:00:55,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:00:55,691 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-06 02:00:55,692 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-06 02:00:55,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 02:00:55,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 02:00:55,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:00:55,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:00:55,763 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:00:55,765 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:00:55,951 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live. [2024-12-06 02:00:55,952 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:00:56,015 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:00:56,016 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 02:00:56,016 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:00:56 BoogieIcfgContainer [2024-12-06 02:00:56,016 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:00:56,017 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:00:56,017 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:00:56,029 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:00:56,029 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:00:56" (1/1) ... [2024-12-06 02:00:56,038 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:00:56,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:00:56,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2024-12-06 02:00:56,086 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2024-12-06 02:00:56,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 02:00:56,088 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:00:56,089 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:00:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:00:56,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:00:56,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:00:56,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2024-12-06 02:00:56,411 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2024-12-06 02:00:56,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 02:00:56,411 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:00:56,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:00:56,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:00:56,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:00:56,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:00:56,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2024-12-06 02:00:56,661 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-12-06 02:00:56,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:00:56,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:00:56,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:00:56,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:00:56,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:00:57,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:00:57,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2024-12-06 02:00:57,263 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-12-06 02:00:57,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:00:57,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:00:57,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:00:57,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:00:57,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:00:57,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:00:57,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-12-06 02:00:57,654 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-12-06 02:00:57,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 02:00:57,656 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:00:57,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:00:57,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:00:57,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:00:58,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:00:58,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2024-12-06 02:00:58,737 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2024-12-06 02:00:58,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 02:00:58,737 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:00:58,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:00:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:00:59,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:01:00,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:00,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2024-12-06 02:01:00,223 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2024-12-06 02:01:00,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 02:01:00,223 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:00,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:00,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:00,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:01:01,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:01,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2024-12-06 02:01:01,194 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2024-12-06 02:01:01,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:01:01,194 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:01,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:01,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:01,305 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:01:01,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:01,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 28 states and 35 transitions. [2024-12-06 02:01:01,861 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2024-12-06 02:01:01,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:01:01,862 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:01,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:02,536 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:01:05,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:05,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2024-12-06 02:01:05,154 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-06 02:01:05,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 02:01:05,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:05,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:05,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:05,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:01:07,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:07,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 37 states and 58 transitions. [2024-12-06 02:01:07,267 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 58 transitions. [2024-12-06 02:01:07,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 02:01:07,268 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:07,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:07,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:08,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:01:12,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:12,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 43 states and 77 transitions. [2024-12-06 02:01:12,034 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 77 transitions. [2024-12-06 02:01:12,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 02:01:12,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:12,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:12,424 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:01:16,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:16,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 50 states and 101 transitions. [2024-12-06 02:01:16,654 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 101 transitions. [2024-12-06 02:01:16,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 02:01:16,655 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:16,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:16,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:16,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:01:17,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:17,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 52 states and 107 transitions. [2024-12-06 02:01:17,939 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 107 transitions. [2024-12-06 02:01:17,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 02:01:17,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:17,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:17,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:19,613 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:01:26,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:26,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 59 states and 131 transitions. [2024-12-06 02:01:26,315 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 131 transitions. [2024-12-06 02:01:26,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 02:01:26,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:26,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:26,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:28,445 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:01:37,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:37,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 67 states and 159 transitions. [2024-12-06 02:01:37,388 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 159 transitions. [2024-12-06 02:01:37,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 02:01:37,389 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:37,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:37,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:37,600 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:01:38,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:38,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 68 states and 160 transitions. [2024-12-06 02:01:38,446 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 160 transitions. [2024-12-06 02:01:38,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 02:01:38,447 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:38,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:38,701 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 02:01:41,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:41,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 71 states and 168 transitions. [2024-12-06 02:01:41,581 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 168 transitions. [2024-12-06 02:01:41,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 02:01:41,582 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:41,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:41,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:41,811 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 02:01:43,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:43,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 74 states and 171 transitions. [2024-12-06 02:01:43,859 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 171 transitions. [2024-12-06 02:01:43,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 02:01:43,859 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:43,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:43,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:43,905 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:01:44,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:44,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 74 states and 170 transitions. [2024-12-06 02:01:44,997 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 170 transitions. [2024-12-06 02:01:44,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 02:01:44,997 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:44,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:45,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:46,016 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:01:49,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:49,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 77 states and 183 transitions. [2024-12-06 02:01:49,940 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 183 transitions. [2024-12-06 02:01:49,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 02:01:49,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:49,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:51,705 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:01:55,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:55,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 77 states and 182 transitions. [2024-12-06 02:01:55,078 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 182 transitions. [2024-12-06 02:01:55,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:01:55,078 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:55,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:55,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:55,774 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:01:57,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:57,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 78 states and 183 transitions. [2024-12-06 02:01:57,295 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 183 transitions. [2024-12-06 02:01:57,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:01:57,295 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:57,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:57,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:01:57,474 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 2 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:01:58,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:01:58,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 79 states and 185 transitions. [2024-12-06 02:01:58,876 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 185 transitions. [2024-12-06 02:01:58,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:01:58,877 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:01:58,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:01:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:02:02,230 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:02:12,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:02:12,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-12-06 02:02:12,856 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-12-06 02:02:12,856 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 02:02:12,857 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 25 iterations. [2024-12-06 02:02:12,863 INFO L726 CodeCheckObserver]: All specifications hold 9 specifications checked. All of them hold [2024-12-06 02:02:13,533 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 02:02:13,533 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 02:02:13,534 INFO L77 FloydHoareUtils]: At program point L370-3(lines 370 379) the Hoare annotation is: (let ((.cse3 (+ |ULTIMATE.start_cstrncpy_~dst~0#1.offset| 1))) (let ((.cse0 (= (select |#valid| |ULTIMATE.start_cstrncpy_~dst~0#1.base|) 1)) (.cse1 (<= .cse3 (select |#length| |ULTIMATE.start_cstrncpy_~dst~0#1.base|))) (.cse2 (= (select |#valid| |ULTIMATE.start_cstrncpy_~src~0#1.base|) 1)) (.cse4 (not (= |ULTIMATE.start_main_#t~malloc214#1.base| |ULTIMATE.start_main_#t~malloc213#1.base|))) (.cse5 (<= (+ |ULTIMATE.start_cstrncpy_~src~0#1.offset| 1) (select |#length| |ULTIMATE.start_cstrncpy_~src~0#1.base|))) (.cse6 (= (store (store |#valid| |ULTIMATE.start_main_#t~malloc213#1.base| 0) |ULTIMATE.start_main_#t~malloc214#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)) (.cse7 (<= 0 |ULTIMATE.start_cstrncpy_~src~0#1.offset|))) (or (and .cse0 .cse1 (= (select (select |#memory_int| |ULTIMATE.start_cstrncpy_~src~0#1.base|) 0) 0) .cse2 (= |ULTIMATE.start_cstrncpy_~n#1| .cse3) .cse4 .cse5 (not (= |ULTIMATE.start_cstrncpy_~src~0#1.base| |ULTIMATE.start_cstrncpy_~dst~0#1.base|)) .cse6 .cse7) (and .cse0 .cse1 .cse2 .cse4 (<= |ULTIMATE.start_cstrncpy_~n#1| .cse3) .cse5 (< |ULTIMATE.start_cstrncpy_~n#1| 1) .cse6 .cse7)))) [2024-12-06 02:02:13,534 INFO L77 FloydHoareUtils]: At program point L370-4(lines 370 379) the Hoare annotation is: (and (not (= |ULTIMATE.start_main_#t~malloc214#1.base| |ULTIMATE.start_main_#t~malloc213#1.base|)) (= (store (store |#valid| |ULTIMATE.start_main_#t~malloc213#1.base| 0) |ULTIMATE.start_main_#t~malloc214#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)) [2024-12-06 02:02:13,534 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 382 398) the Hoare annotation is: (let ((.cse0 (@diff |#valid| |ULTIMATE.start_main_old_#valid#1|))) (= (select |ULTIMATE.start_main_old_#valid#1| .cse0) (select |#valid| .cse0))) [2024-12-06 02:02:13,534 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 02:02:13,534 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 02:02:13,534 INFO L77 FloydHoareUtils]: At program point L375-1(lines 375 376) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_cstrncpy_~us~0#1.offset| 2))) (and (<= .cse0 (select |#length| |ULTIMATE.start_cstrncpy_~us~0#1.base|)) (= |ULTIMATE.start_cstrncpy_~n2~0#1| |ULTIMATE.start_cstrncpy_~us~0#1.offset|) (<= 0 |ULTIMATE.start_cstrncpy_#t~post209#1|) (not (= |ULTIMATE.start_main_#t~malloc214#1.base| |ULTIMATE.start_main_#t~malloc213#1.base|)) (= 1 (select |#valid| |ULTIMATE.start_cstrncpy_~us~0#1.base|)) (or (< |ULTIMATE.start_cstrncpy_#t~post209#1| .cse0) (= |ULTIMATE.start_cstrncpy_#t~post209#1| 0)) (= (store (store |#valid| |ULTIMATE.start_main_#t~malloc213#1.base| 0) |ULTIMATE.start_main_#t~malloc214#1.base| 0) |ULTIMATE.start_main_old_#valid#1|))) [2024-12-06 02:02:13,534 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK(lines 382 398) no Hoare annotation was computed. [2024-12-06 02:02:13,534 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 02:02:13,534 INFO L77 FloydHoareUtils]: At program point L376(line 376) the Hoare annotation is: (and (<= 0 |ULTIMATE.start_cstrncpy_#t~post210#1.offset|) (= |ULTIMATE.start_cstrncpy_~us~0#1.base| |ULTIMATE.start_cstrncpy_#t~post210#1.base|) (<= (+ |ULTIMATE.start_cstrncpy_~us~0#1.offset| 3) (select |#length| |ULTIMATE.start_cstrncpy_#t~post210#1.base|)) (not (= |ULTIMATE.start_main_#t~malloc214#1.base| |ULTIMATE.start_main_#t~malloc213#1.base|)) (= |ULTIMATE.start_cstrncpy_~n2~0#1| (+ |ULTIMATE.start_cstrncpy_~us~0#1.offset| 1)) (<= |ULTIMATE.start_cstrncpy_#t~post210#1.offset| |ULTIMATE.start_cstrncpy_~n2~0#1|) (= (select |#valid| |ULTIMATE.start_cstrncpy_#t~post210#1.base|) 1) (= (store (store |#valid| |ULTIMATE.start_main_#t~malloc213#1.base| 0) |ULTIMATE.start_main_#t~malloc214#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)) [2024-12-06 02:02:13,534 INFO L77 FloydHoareUtils]: At program point L376-1(lines 375 376) the Hoare annotation is: (and (<= (+ |ULTIMATE.start_cstrncpy_~us~0#1.offset| 2) (select |#length| |ULTIMATE.start_cstrncpy_~us~0#1.base|)) (<= 0 |ULTIMATE.start_cstrncpy_~n2~0#1|) (not (= |ULTIMATE.start_main_#t~malloc214#1.base| |ULTIMATE.start_main_#t~malloc213#1.base|)) (= |ULTIMATE.start_cstrncpy_~n2~0#1| (+ |ULTIMATE.start_cstrncpy_~us~0#1.offset| 1)) (= 1 (select |#valid| |ULTIMATE.start_cstrncpy_~us~0#1.base|)) (= (store (store |#valid| |ULTIMATE.start_main_#t~malloc213#1.base| 0) |ULTIMATE.start_main_#t~malloc214#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)) [2024-12-06 02:02:13,535 INFO L77 FloydHoareUtils]: At program point L372(line 372) the Hoare annotation is: (let ((.cse0 (select |#length| |ULTIMATE.start_cstrncpy_#t~post207#1.base|)) (.cse1 (+ |ULTIMATE.start_cstrncpy_~dst~0#1.offset| 1))) (and (<= (+ .cse0 |ULTIMATE.start_cstrncpy_~src~0#1.offset| 1) (+ (select |#length| |ULTIMATE.start_cstrncpy_~src~0#1.base|) |ULTIMATE.start_cstrncpy_#t~post207#1.offset|)) (<= 0 |ULTIMATE.start_cstrncpy_~n#1|) (= (select (select |#memory_int| |ULTIMATE.start_cstrncpy_~src~0#1.base|) 0) 0) (<= (+ |ULTIMATE.start_cstrncpy_#t~post206#1.offset| 1) (select |#length| |ULTIMATE.start_cstrncpy_#t~post206#1.base|)) (= |ULTIMATE.start_cstrncpy_#t~post207#1.base| |ULTIMATE.start_cstrncpy_~src~0#1.base|) (= |ULTIMATE.start_cstrncpy_~n#1| .cse1) (not (= |ULTIMATE.start_main_#t~malloc214#1.base| |ULTIMATE.start_main_#t~malloc213#1.base|)) (<= (+ 1 |ULTIMATE.start_cstrncpy_#t~post207#1.offset|) .cse0) (<= 0 |ULTIMATE.start_cstrncpy_#t~post207#1.offset|) (or (< |ULTIMATE.start_cstrncpy_#t~post207#1.offset| 1) (< |ULTIMATE.start_cstrncpy_#t~post207#1.offset| (+ |ULTIMATE.start_cstrncpy_~src~0#1.offset| 2))) (= (select |#valid| |ULTIMATE.start_cstrncpy_#t~post207#1.base|) 1) (not (= |ULTIMATE.start_cstrncpy_~src~0#1.base| |ULTIMATE.start_cstrncpy_~dst~0#1.base|)) (= |ULTIMATE.start_cstrncpy_#t~post206#1.base| |ULTIMATE.start_cstrncpy_~dst~0#1.base|) (<= .cse1 |ULTIMATE.start_cstrncpy_#t~post206#1.offset|) (= (select |#valid| |ULTIMATE.start_cstrncpy_#t~post206#1.base|) 1) (= (store (store |#valid| |ULTIMATE.start_main_#t~malloc213#1.base| 0) |ULTIMATE.start_main_#t~malloc214#1.base| 0) |ULTIMATE.start_main_old_#valid#1|))) [2024-12-06 02:02:13,535 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 02:02:13,535 INFO L77 FloydHoareUtils]: At program point L372-1(line 372) the Hoare annotation is: (let ((.cse0 (+ |ULTIMATE.start_cstrncpy_~dst~0#1.offset| 1))) (and (<= (+ |ULTIMATE.start_cstrncpy_~src~0#1.offset| 2) (select |#length| |ULTIMATE.start_cstrncpy_~src~0#1.base|)) (<= 0 |ULTIMATE.start_cstrncpy_~n#1|) (= (select (select |#memory_int| |ULTIMATE.start_cstrncpy_~src~0#1.base|) 0) 0) (= (select |#valid| |ULTIMATE.start_cstrncpy_~src~0#1.base|) 1) (<= (+ |ULTIMATE.start_cstrncpy_#t~post206#1.offset| 1) (select |#length| |ULTIMATE.start_cstrncpy_#t~post206#1.base|)) (= |ULTIMATE.start_cstrncpy_~n#1| .cse0) (not (= |ULTIMATE.start_main_#t~malloc214#1.base| |ULTIMATE.start_main_#t~malloc213#1.base|)) (or (< 0 (+ |ULTIMATE.start_cstrncpy_~src~0#1.offset| 1)) (= |ULTIMATE.start_cstrncpy_#t~mem208#1| 0)) (not (= |ULTIMATE.start_cstrncpy_~src~0#1.base| |ULTIMATE.start_cstrncpy_~dst~0#1.base|)) (= |ULTIMATE.start_cstrncpy_#t~post206#1.base| |ULTIMATE.start_cstrncpy_~dst~0#1.base|) (<= .cse0 |ULTIMATE.start_cstrncpy_#t~post206#1.offset|) (= (select |#valid| |ULTIMATE.start_cstrncpy_#t~post206#1.base|) 1) (= (store (store |#valid| |ULTIMATE.start_main_#t~malloc213#1.base| 0) |ULTIMATE.start_main_#t~malloc214#1.base| 0) |ULTIMATE.start_main_old_#valid#1|))) [2024-12-06 02:02:13,535 INFO L77 FloydHoareUtils]: At program point L372-2(lines 372 378) the Hoare annotation is: (and (= (select |#valid| |ULTIMATE.start_cstrncpy_~dst~0#1.base|) 1) (<= (+ |ULTIMATE.start_cstrncpy_~src~0#1.offset| 2) (select |#length| |ULTIMATE.start_cstrncpy_~src~0#1.base|)) (<= 0 |ULTIMATE.start_cstrncpy_~n#1|) (= (select (select |#memory_int| |ULTIMATE.start_cstrncpy_~src~0#1.base|) 0) 0) (= (select |#valid| |ULTIMATE.start_cstrncpy_~src~0#1.base|) 1) (<= (+ 2 |ULTIMATE.start_cstrncpy_~dst~0#1.offset|) (select |#length| |ULTIMATE.start_cstrncpy_~dst~0#1.base|)) (= |ULTIMATE.start_cstrncpy_~n#1| (+ |ULTIMATE.start_cstrncpy_~dst~0#1.offset| 1)) (not (= |ULTIMATE.start_main_#t~malloc214#1.base| |ULTIMATE.start_main_#t~malloc213#1.base|)) (or (< 0 (+ |ULTIMATE.start_cstrncpy_~src~0#1.offset| 1)) (= |ULTIMATE.start_cstrncpy_#t~mem208#1| 0)) (not (= |ULTIMATE.start_cstrncpy_~src~0#1.base| |ULTIMATE.start_cstrncpy_~dst~0#1.base|)) (= (store (store |#valid| |ULTIMATE.start_main_#t~malloc213#1.base| 0) |ULTIMATE.start_main_#t~malloc214#1.base| 0) |ULTIMATE.start_main_old_#valid#1|)) [2024-12-06 02:02:13,535 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 02:02:13,535 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 02:02:13,536 INFO L77 FloydHoareUtils]: At program point L393(line 393) the Hoare annotation is: (and (< 0 |ULTIMATE.start_main_~n~0#1|) (<= (div |ULTIMATE.start_main_~length~0#1| 18446744073709551616) 0) (= |ULTIMATE.start_main_~nondetArea~0#1.offset| 0) (not (= |ULTIMATE.start_main_~nondetArea~0#1.base| |ULTIMATE.start_main_~nondetString~0#1.base|)) (= |ULTIMATE.start_main_~nondetString~0#1.offset| 0) (<= (mod |ULTIMATE.start_main_~n~0#1| 18446744073709551616) (select |#length| |ULTIMATE.start_main_~nondetArea~0#1.base|)) (<= 1 (+ |ULTIMATE.start_main_~length~0#1| |ULTIMATE.start_main_~nondetString~0#1.offset|)) (not (= |ULTIMATE.start_main_#t~malloc214#1.base| |ULTIMATE.start_main_#t~malloc213#1.base|)) (= (select |#valid| |ULTIMATE.start_main_~nondetString~0#1.base|) 1) (= (select |#valid| |ULTIMATE.start_main_~nondetArea~0#1.base|) 1) (= (mod |ULTIMATE.start_main_~length~0#1| 18446744073709551616) (select |#length| |ULTIMATE.start_main_~nondetString~0#1.base|)) (= (store (store |#valid| |ULTIMATE.start_main_#t~malloc213#1.base| 0) |ULTIMATE.start_main_#t~malloc214#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (<= (div |ULTIMATE.start_main_~n~0#1| 18446744073709551616) 0)) [2024-12-06 02:02:13,536 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 02:02:13,536 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-06 02:02:13,542 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.IllegalArgumentException: unknown symbol (@diff (Array Int Int) (Array Int Int) Int) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.getBinaryOperator(Term2Expression.java:580) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:283) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translateSelect(Term2Expression.java:371) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:164) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:174) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.translate(Term2Expression.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:402) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator.translateExpression(RCFGBacktranslator.java:1) at de.uni_freiburg.informatik.ultimate.core.lib.translation.DefaultTranslator.translateExpressionWithContext(DefaultTranslator.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionWithContext(ModelTranslationContainer.java:109) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.ModelTranslationContainer.translateExpressionWithContext(ModelTranslationContainer.java:91) at de.uni_freiburg.informatik.ultimate.core.coreplugin.services.BacktranslationService.translateExpressionWithContext(BacktranslationService.java:117) at de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.FloydHoareUtils.createInvariantResults(FloydHoareUtils.java:126) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.createInvariantAndContractResults(CodeCheckObserver.java:542) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:518) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 02:02:13,546 INFO L158 Benchmark]: Toolchain (without parser) took 78341.78ms. Allocated memory was 134.2MB in the beginning and 201.3MB in the end (delta: 67.1MB). Free memory was 105.6MB in the beginning and 109.8MB in the end (delta: -4.2MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. [2024-12-06 02:02:13,546 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:02:13,546 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.02ms. Allocated memory is still 134.2MB. Free memory was 105.4MB in the beginning and 87.0MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:02:13,546 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.86ms. Allocated memory is still 134.2MB. Free memory was 87.0MB in the beginning and 85.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:02:13,547 INFO L158 Benchmark]: Boogie Preprocessor took 24.54ms. Allocated memory is still 134.2MB. Free memory was 85.3MB in the beginning and 84.4MB in the end (delta: 987.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:02:13,547 INFO L158 Benchmark]: RCFGBuilder took 387.65ms. Allocated memory is still 134.2MB. Free memory was 84.2MB in the beginning and 67.1MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:02:13,547 INFO L158 Benchmark]: CodeCheck took 77527.74ms. Allocated memory was 134.2MB in the beginning and 201.3MB in the end (delta: 67.1MB). Free memory was 67.1MB in the beginning and 109.8MB in the end (delta: -42.7MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. [2024-12-06 02:02:13,550 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, 21 locations, 9 error locations. Started 1 CEGAR loops. OverallTime: 76.8s, OverallIterations: 25, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1185 SdHoareTripleChecker+Valid, 13.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 908 mSDsluCounter, 571 SdHoareTripleChecker+Invalid, 12.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 441 mSDsCounter, 1881 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8090 IncrementalHoareTripleChecker+Invalid, 9971 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1881 mSolverCounterUnsat, 130 mSDtfsCounter, 8090 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3112 GetRequests, 2580 SyntacticMatches, 82 SemanticMatches, 450 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78388 ImplicationChecksByTransitivity, 71.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 15.2s InterpolantComputationTime, 232 NumberOfCodeBlocks, 232 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 208 ConstructedInterpolants, 0 QuantifiedInterpolants, 2543 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 24 InterpolantComputations, 15 PerfectInterpolantSequences, 29/79 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 382]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 9 specifications checked. All of them hold - ExceptionOrErrorResult: IllegalArgumentException: unknown symbol (@diff (Array Int Int) (Array Int Int) Int) de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: IllegalArgumentException: unknown symbol (@diff (Array Int Int) (Array Int Int) Int): de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Term2Expression.getBinaryOperator(Term2Expression.java:580) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 134.2MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.02ms. Allocated memory is still 134.2MB. Free memory was 105.4MB in the beginning and 87.0MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.86ms. Allocated memory is still 134.2MB. Free memory was 87.0MB in the beginning and 85.3MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 24.54ms. Allocated memory is still 134.2MB. Free memory was 85.3MB in the beginning and 84.4MB in the end (delta: 987.9kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 387.65ms. Allocated memory is still 134.2MB. Free memory was 84.2MB in the beginning and 67.1MB in the end (delta: 17.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 77527.74ms. Allocated memory was 134.2MB in the beginning and 201.3MB in the end (delta: 67.1MB). Free memory was 67.1MB in the beginning and 109.8MB in the end (delta: -42.7MB). Peak memory consumption was 21.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 02:02:13,568 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-15/cstrncpy_reverse_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b --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 64bit --witnessprinter.graph.data.programhash 3c4d1f74b81dbb287c4425592070f3cc0de08845db85b6da85a8a6e68f14746e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:02:15,404 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:02:15,479 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf [2024-12-06 02:02:15,503 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:02:15,504 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:02:15,504 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:02:15,504 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:02:15,505 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:02:15,505 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:02:15,505 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-06 02:02:15,505 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-06 02:02:15,505 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-06 02:02:15,505 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:02:15,505 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:02:15,505 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:02:15,505 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:02:15,506 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-06 02:02:15,506 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:02:15,506 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:02:15,506 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:02:15,506 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:02:15,506 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:02:15,506 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:02:15,506 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:02:15,506 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:02:15,506 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:02:15,507 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:02:15,507 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:02:15,507 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:02:15,507 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:02:15,507 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:02:15,507 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_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c4d1f74b81dbb287c4425592070f3cc0de08845db85b6da85a8a6e68f14746e [2024-12-06 02:02:15,722 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:02:15,728 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:02:15,730 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:02:15,731 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:02:15,731 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:02:15,732 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-15/cstrncpy_reverse_alloca.i [2024-12-06 02:02:18,365 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/data/ca6c95190/4b1dac7cafcf4248b9fdebc621177513/FLAGc43bd1a0d [2024-12-06 02:02:18,598 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:02:18,599 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/sv-benchmarks/c/termination-15/cstrncpy_reverse_alloca.i [2024-12-06 02:02:18,608 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/data/ca6c95190/4b1dac7cafcf4248b9fdebc621177513/FLAGc43bd1a0d [2024-12-06 02:02:18,930 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/data/ca6c95190/4b1dac7cafcf4248b9fdebc621177513 [2024-12-06 02:02:18,932 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:02:18,934 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:02:18,935 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:02:18,935 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:02:18,938 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:02:18,938 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:02:18" (1/1) ... [2024-12-06 02:02:18,939 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b50fce0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:18, skipping insertion in model container [2024-12-06 02:02:18,939 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:02:18" (1/1) ... [2024-12-06 02:02:18,958 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:02:19,148 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 02:02:19,148 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-12-06 02:02:19,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:02:19,161 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:02:19,201 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:02:19,230 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:02:19,230 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:19 WrapperNode [2024-12-06 02:02:19,230 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:02:19,231 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:02:19,231 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:02:19,231 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:02:19,236 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:19" (1/1) ... [2024-12-06 02:02:19,246 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:19" (1/1) ... [2024-12-06 02:02:19,261 INFO L138 Inliner]: procedures = 153, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2024-12-06 02:02:19,261 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:02:19,261 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:02:19,261 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:02:19,261 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:02:19,266 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:19" (1/1) ... [2024-12-06 02:02:19,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:19" (1/1) ... [2024-12-06 02:02:19,268 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:19" (1/1) ... [2024-12-06 02:02:19,268 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:19" (1/1) ... [2024-12-06 02:02:19,274 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:19" (1/1) ... [2024-12-06 02:02:19,275 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:19" (1/1) ... [2024-12-06 02:02:19,277 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:19" (1/1) ... [2024-12-06 02:02:19,278 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:19" (1/1) ... [2024-12-06 02:02:19,278 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:19" (1/1) ... [2024-12-06 02:02:19,280 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:02:19,281 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:02:19,281 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:02:19,281 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:02:19,282 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:02:19" (1/1) ... [2024-12-06 02:02:19,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:02:19,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:02:19,309 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:02:19,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:02:19,330 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-12-06 02:02:19,330 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 02:02:19,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-12-06 02:02:19,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 02:02:19,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:02:19,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:02:19,397 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:02:19,399 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:02:19,614 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live. [2024-12-06 02:02:19,614 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:02:19,663 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:02:19,664 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 02:02:19,664 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:02:19 BoogieIcfgContainer [2024-12-06 02:02:19,664 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:02:19,665 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:02:19,665 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:02:19,675 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:02:19,675 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:02:19" (1/1) ... [2024-12-06 02:02:19,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:02:19,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:02:19,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2024-12-06 02:02:19,721 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2024-12-06 02:02:19,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 02:02:19,723 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:02:19,723 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:02:19,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:02:19,725 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:02:19,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:02:19,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:02:19,813 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:02:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:02:19,832 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 02:02:19,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:02:19,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-06 02:02:19,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:02:19,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-12-06 02:02:19,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:02:19,919 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:02:19,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:02:19,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2024-12-06 02:02:19,959 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2024-12-06 02:02:19,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-06 02:02:19,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:02:19,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:02:19,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:02:19,963 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:02:19,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 02:02:20,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:02:20,033 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:02:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:02:20,054 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 02:02:20,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:02:20,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2024-12-06 02:02:20,135 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 6 [2024-12-06 02:02:20,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:02:20,186 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 02:02:20,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:02:20,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2024-12-06 02:02:20,343 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-12-06 02:02:20,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:02:20,343 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:02:20,343 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:02:20,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:02:20,345 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:02:20,347 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 02:02:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:02:20,459 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:02:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:02:20,515 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 02:02:20,516 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:02:20,532 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 6 [2024-12-06 02:02:20,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2024-12-06 02:02:20,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:02:20,704 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 02:02:21,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:02:21,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-12-06 02:02:21,201 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-12-06 02:02:21,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 02:02:21,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:02:21,201 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:02:21,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:02:21,203 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:02:21,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 02:02:21,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:02:21,289 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:02:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:02:21,310 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 02:02:21,311 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:02:21,318 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-06 02:02:21,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:02:21,329 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-12-06 02:02:21,414 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:02:21,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 02:02:22,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:02:22,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2024-12-06 02:02:22,023 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2024-12-06 02:02:22,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 02:02:22,024 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:02:22,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:02:22,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:02:22,026 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:02:22,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 02:02:22,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:02:22,128 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:02:22,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:02:22,149 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 02:02:22,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:02:22,173 INFO L349 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2024-12-06 02:02:22,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 21 treesize of output 15 [2024-12-06 02:02:22,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:02:22,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 02:02:23,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:02:23,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2024-12-06 02:02:23,762 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2024-12-06 02:02:23,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 02:02:23,762 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:02:23,762 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:02:23,762 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:02:23,764 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:02:23,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 02:02:23,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:02:23,913 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:02:23,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:02:23,973 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 02:02:23,975 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:02:23,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:02:23,991 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 6 [2024-12-06 02:02:23,996 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-06 02:02:24,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:02:24,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 02:02:27,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:02:27,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2024-12-06 02:02:27,610 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2024-12-06 02:02:27,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 02:02:27,610 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:02:27,610 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:02:27,610 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:02:27,612 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:02:27,612 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 02:02:27,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:02:27,691 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:02:27,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:02:27,709 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 02:02:27,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:02:27,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:02:27,964 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 02:02:29,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:02:29,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-12-06 02:02:29,748 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-12-06 02:02:29,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:02:29,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:02:29,748 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:02:29,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:02:29,750 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:02:29,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 02:02:29,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:02:29,862 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:02:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:02:29,888 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-12-06 02:02:29,890 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:02:29,895 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-06 02:02:29,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:02:29,905 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-12-06 02:02:29,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:02:29,921 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 02:02:31,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:02:31,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 48 transitions. [2024-12-06 02:02:31,321 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 48 transitions. [2024-12-06 02:02:31,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:02:31,321 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:02:31,321 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:02:31,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:02:31,323 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:02:31,324 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 02:02:31,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:02:31,473 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:02:31,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:02:31,546 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-12-06 02:02:31,548 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:02:31,558 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 6 [2024-12-06 02:02:31,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 1 [2024-12-06 02:02:31,574 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-06 02:02:32,141 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:02:32,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 19 [2024-12-06 02:02:33,945 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:02:33,947 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 02:02:44,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:02:44,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 38 states and 67 transitions. [2024-12-06 02:02:44,440 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 67 transitions. [2024-12-06 02:02:44,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 02:02:44,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:02:44,440 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:02:44,440 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:02:44,442 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:02:44,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 02:02:44,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:02:44,545 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:02:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:02:44,569 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 02:02:44,570 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:02:44,585 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:02:44,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 02:02:47,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:02:47,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2024-12-06 02:02:47,371 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2024-12-06 02:02:47,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 02:02:47,371 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:02:47,372 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:02:47,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:02:47,373 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:02:47,374 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 02:02:47,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:02:47,483 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:02:47,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:02:47,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 02:02:47,511 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:02:48,208 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:02:48,210 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 02:02:54,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:02:54,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 45 states and 84 transitions. [2024-12-06 02:02:54,694 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2024-12-06 02:02:54,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 02:02:54,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:02:54,695 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:02:54,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:02:54,696 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:02:54,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 02:02:54,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:02:54,848 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:02:54,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:02:54,946 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-06 02:02:54,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:02:58,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:02:58,123 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 02:03:17,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:03:17,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 51 states and 104 transitions. [2024-12-06 02:03:17,151 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 104 transitions. [2024-12-06 02:03:17,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 02:03:17,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:03:17,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:03:17,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:03:17,153 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:03:17,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 02:03:17,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:03:17,266 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:03:17,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:03:17,292 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-06 02:03:17,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:03:17,306 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:03:17,308 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 02:03:21,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:03:21,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 53 states and 106 transitions. [2024-12-06 02:03:21,688 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 106 transitions. [2024-12-06 02:03:21,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 02:03:21,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:03:21,689 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:03:21,689 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:03:21,690 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:03:21,691 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 02:03:21,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:03:21,873 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:03:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:03:21,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 02:03:21,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:03:22,835 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:03:22,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 02:03:35,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:03:35,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 56 states and 117 transitions. [2024-12-06 02:03:35,188 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 117 transitions. [2024-12-06 02:03:35,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 02:03:35,188 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:03:35,189 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:03:35,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:03:35,190 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:03:35,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 02:03:35,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:03:35,344 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:03:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:03:35,376 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-12-06 02:03:35,377 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:03:36,070 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:03:36,071 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2024-12-06 02:03:36,084 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~malloc214#1.base_22| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc213#1.base_22| (_ BitVec 64))) (and (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc213#1.base_22| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc214#1.base_22| (_ bv0 1))) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc213#1.base_22| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc214#1.base_22|)) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc213#1.base_22|)))) is different from true [2024-12-06 02:03:36,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:03:36,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 02:04:03,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:04:03,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 63 states and 148 transitions. [2024-12-06 02:04:03,634 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 148 transitions. [2024-12-06 02:04:03,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 02:04:03,634 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:04:03,635 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:04:03,635 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:04:03,636 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:04:03,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 02:04:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:04:03,789 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:04:03,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:04:03,824 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 02:04:03,825 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:04:05,123 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:04:05,124 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2024-12-06 02:04:05,136 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~malloc214#1.base_23| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc213#1.base_23| (_ BitVec 64))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc213#1.base_23|)) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc213#1.base_23| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc214#1.base_23|)) (= (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc213#1.base_23| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc214#1.base_23| (_ bv0 1)) |c_#valid|))) is different from true [2024-12-06 02:04:05,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:04:05,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 02:04:15,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:04:15,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 64 states and 149 transitions. [2024-12-06 02:04:15,093 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 149 transitions. [2024-12-06 02:04:15,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 02:04:15,093 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:04:15,093 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:04:15,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:04:15,095 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:04:15,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 02:04:15,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:04:15,237 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:04:15,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:04:15,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 02:04:15,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:04:15,345 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:04:15,345 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2024-12-06 02:04:16,165 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:04:16,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 02:04:16,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:04:16,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 64 states and 148 transitions. [2024-12-06 02:04:16,199 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 148 transitions. [2024-12-06 02:04:16,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-12-06 02:04:16,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:04:16,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:04:16,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:04:16,201 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:04:16,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 02:04:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:04:16,341 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:04:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:04:16,369 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 02:04:16,370 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:04:16,458 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:04:16,458 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2024-12-06 02:04:17,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:04:17,235 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 02:04:23,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:04:23,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 66 states and 154 transitions. [2024-12-06 02:04:23,574 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 154 transitions. [2024-12-06 02:04:23,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 02:04:23,574 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:04:23,574 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:04:23,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:04:23,576 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:04:23,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 02:04:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:04:23,717 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:04:23,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:04:23,741 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:04:23,742 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:04:23,760 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:04:23,762 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 02:04:26,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:04:26,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 66 states and 153 transitions. [2024-12-06 02:04:26,725 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 153 transitions. [2024-12-06 02:04:26,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 02:04:26,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:04:26,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:04:26,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:04:26,727 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:04:26,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 02:04:26,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:04:26,915 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:04:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:04:27,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-06 02:04:27,067 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:04:33,741 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:04:33,744 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-12-06 02:04:48,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:04:48,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 67 states and 157 transitions. [2024-12-06 02:04:48,926 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 157 transitions. [2024-12-06 02:04:48,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 02:04:48,927 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:04:48,927 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:04:48,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:04:48,929 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:04:48,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 02:04:49,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:04:49,239 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:04:49,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:04:49,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 02:04:49,324 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:04:49,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-06 02:04:49,340 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 6 [2024-12-06 02:04:50,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-06 02:04:53,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-12-06 02:04:55,421 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:04:55,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 19 [2024-12-06 02:05:01,300 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:05:01,303 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 02:06:16,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:16,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 77 states and 205 transitions. [2024-12-06 02:06:16,907 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 205 transitions. [2024-12-06 02:06:16,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 02:06:16,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:16,907 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:16,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:16,909 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:16,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 02:06:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:17,069 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:17,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:17,101 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 02:06:17,102 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:17,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-06 02:06:17,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:17,115 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-12-06 02:06:17,141 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 02:06:17,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-12-06 02:06:23,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:23,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 78 states and 209 transitions. [2024-12-06 02:06:23,238 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 209 transitions. [2024-12-06 02:06:23,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-12-06 02:06:23,238 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:23,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:23,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:23,240 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:23,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 02:06:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:23,385 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:23,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:23,414 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-12-06 02:06:23,415 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:23,421 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2024-12-06 02:06:23,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:06:23,428 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2024-12-06 02:06:23,447 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-12-06 02:06:23,449 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 02:06:36,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:06:36,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 80 states and 212 transitions. [2024-12-06 02:06:36,432 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 212 transitions. [2024-12-06 02:06:36,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 02:06:36,433 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:06:36,433 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:06:36,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:06:36,434 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:06:36,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 02:06:36,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:36,608 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:06:36,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:06:36,651 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 02:06:36,652 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:06:37,977 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:06:37,978 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2024-12-06 02:06:37,991 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~malloc214#1.base_26| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc213#1.base_26| (_ BitVec 64))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc213#1.base_26|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc213#1.base_26| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc214#1.base_26| (_ bv0 1))) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc213#1.base_26| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc214#1.base_26|)))) is different from true [2024-12-06 02:06:37,992 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:06:37,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 02:07:18,436 WARN L851 $PredicateComparison]: unable to prove that (not (exists ((|v_ULTIMATE.start_main_#t~malloc214#1.base_26| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc213#1.base_26| (_ BitVec 64))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc213#1.base_26|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc213#1.base_26| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc214#1.base_26| (_ bv0 1))) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc213#1.base_26| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc214#1.base_26|))))) is different from false [2024-12-06 02:07:18,441 WARN L851 $PredicateComparison]: unable to prove that (and (not (exists ((|v_ULTIMATE.start_main_#t~malloc214#1.base_26| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc213#1.base_26| (_ BitVec 64))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc213#1.base_26|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc213#1.base_26| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc214#1.base_26| (_ bv0 1))) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc213#1.base_26| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc214#1.base_26|))))) (not (exists ((|v_ULTIMATE.start_main_#t~malloc214#1.base_22| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc213#1.base_22| (_ BitVec 64))) (and (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc213#1.base_22| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc214#1.base_22| (_ bv0 1))) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc213#1.base_22| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc214#1.base_22|)) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc213#1.base_22|)))))) is different from false [2024-12-06 02:07:18,452 WARN L873 $PredicateComparison]: unable to prove that (not (and (not (exists ((|v_ULTIMATE.start_main_#t~malloc214#1.base_26| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc213#1.base_26| (_ BitVec 64))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc213#1.base_26|)) (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc213#1.base_26| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc214#1.base_26| (_ bv0 1))) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc213#1.base_26| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc214#1.base_26|))))) (not (exists ((|v_ULTIMATE.start_main_#t~malloc214#1.base_22| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc213#1.base_22| (_ BitVec 64))) (and (= |c_#valid| (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc213#1.base_22| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc214#1.base_22| (_ bv0 1))) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc213#1.base_22| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc214#1.base_22|)) (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc213#1.base_22|))))))) is different from true [2024-12-06 02:07:18,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:18,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 86 states and 236 transitions. [2024-12-06 02:07:18,454 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 236 transitions. [2024-12-06 02:07:18,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 02:07:18,455 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:18,455 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:18,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:18,456 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:18,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 02:07:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:18,606 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:18,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:18,632 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-12-06 02:07:18,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:18,654 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:07:18,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 02:07:41,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:07:41,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 88 states and 244 transitions. [2024-12-06 02:07:41,785 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 244 transitions. [2024-12-06 02:07:41,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 02:07:41,786 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:07:41,786 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:07:41,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:07:41,788 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:07:41,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 02:07:42,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:42,002 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:07:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:07:42,158 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 02:07:42,159 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:07:49,557 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:07:49,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 02:08:22,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:22,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 91 states and 257 transitions. [2024-12-06 02:08:22,424 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 257 transitions. [2024-12-06 02:08:22,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 02:08:22,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:22,424 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:22,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:22,426 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:22,427 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 02:08:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:22,600 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:22,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:22,629 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-12-06 02:08:22,629 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:22,654 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-12-06 02:08:22,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 02:08:36,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:08:36,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 93 states and 260 transitions. [2024-12-06 02:08:36,982 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 260 transitions. [2024-12-06 02:08:36,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 02:08:36,983 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:08:36,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:08:36,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:08:36,985 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:08:36,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 02:08:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:37,223 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:08:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:08:37,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-06 02:08:37,337 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:08:44,472 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:08:44,474 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 02:09:11,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:09:11,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 95 states and 269 transitions. [2024-12-06 02:09:11,464 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 269 transitions. [2024-12-06 02:09:11,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 02:09:11,465 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:09:11,465 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:09:11,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:09:11,466 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:09:11,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 02:09:11,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:11,690 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:09:11,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:09:11,742 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-12-06 02:09:11,743 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:09:11,908 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:09:11,908 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2024-12-06 02:09:11,924 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_#t~malloc213#1.base_27| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc214#1.base_27| (_ BitVec 64))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc213#1.base_27|)) (= (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc213#1.base_27| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc214#1.base_27| (_ bv0 1)) |c_#valid|) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc213#1.base_27| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc214#1.base_27|)))) is different from true [2024-12-06 02:09:11,925 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-06 02:09:11,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Ended with exit code 0 [2024-12-06 02:10:03,832 WARN L851 $PredicateComparison]: unable to prove that (not (exists ((|v_ULTIMATE.start_main_#t~malloc213#1.base_27| (_ BitVec 64)) (|v_ULTIMATE.start_main_#t~malloc214#1.base_27| (_ BitVec 64))) (and (= (_ bv0 1) (select |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc213#1.base_27|)) (= (store (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc213#1.base_27| (_ bv0 1)) |v_ULTIMATE.start_main_#t~malloc214#1.base_27| (_ bv0 1)) |c_#valid|) (= (_ bv0 1) (select (store |c_ULTIMATE.start_main_old_#valid#1| |v_ULTIMATE.start_main_#t~malloc213#1.base_27| (_ bv1 1)) |v_ULTIMATE.start_main_#t~malloc214#1.base_27|))))) is different from false [2024-12-06 02:10:05,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:10:05,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 100 states and 283 transitions. [2024-12-06 02:10:05,564 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 283 transitions. [2024-12-06 02:10:05,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:10:05,564 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:10:05,564 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:10:05,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:10:05,566 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:10:05,567 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Waiting until timeout for monitored process [2024-12-06 02:10:05,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:05,879 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:10:06,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:10:06,007 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-12-06 02:10:06,010 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:10:06,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2024-12-06 02:10:06,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 6 [2024-12-06 02:10:06,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-06 02:10:06,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-06 02:10:11,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-12-06 02:10:18,234 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-12-06 02:10:22,979 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:10:22,979 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 19 [2024-12-06 02:10:32,461 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:10:32,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (31)] Forceful destruction successful, exit code 0 [2024-12-06 02:12:54,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:12:54,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 110 states and 342 transitions. [2024-12-06 02:12:54,741 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 342 transitions. [2024-12-06 02:12:54,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:12:54,741 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:12:54,742 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:12:54,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:12:54,744 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:12:54,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Waiting until timeout for monitored process [2024-12-06 02:12:54,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:12:54,931 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:12:54,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:12:54,966 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 02:12:54,967 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:12:54,971 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2024-12-06 02:12:54,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-12-06 02:12:54,984 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 1 [2024-12-06 02:12:55,030 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-12-06 02:12:55,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (32)] Forceful destruction successful, exit code 0 [2024-12-06 02:13:33,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:13:33,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 113 states and 351 transitions. [2024-12-06 02:13:33,571 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 351 transitions. [2024-12-06 02:13:33,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-12-06 02:13:33,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:13:33,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:13:33,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:13:33,573 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:13:33,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Waiting until timeout for monitored process [2024-12-06 02:13:33,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:33,877 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:13:34,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:13:34,012 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-12-06 02:13:34,014 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:13:34,025 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 6 [2024-12-06 02:13:34,043 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 6 [2024-12-06 02:13:34,053 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2024-12-06 02:13:34,066 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2024-12-06 02:13:37,519 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-12-06 02:13:45,718 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 12 [2024-12-06 02:13:53,882 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-06 02:13:53,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 20 [2024-12-06 02:13:59,679 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:13:59,683 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (33)] Forceful destruction successful, exit code 0 [2024-12-06 02:15:02,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:15:02,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 115 states and 365 transitions. [2024-12-06 02:15:02,346 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 365 transitions. [2024-12-06 02:15:02,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 02:15:02,346 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:15:02,346 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:15:02,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:15:02,348 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:15:02,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Waiting until timeout for monitored process [2024-12-06 02:15:02,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:02,659 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:15:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:15:02,829 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 02:15:02,831 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:15:23,987 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 10 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:15:23,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_800f2f4a-d115-499a-ba57-f01ac1ff38b5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (34)] Forceful destruction successful, exit code 0