./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_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-15/cstrncpy_reverse_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3 --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 [2024-11-25 02:26:55,615 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:26:55,708 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2024-11-25 02:26:55,714 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:26:55,715 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:26:55,749 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:26:55,751 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:26:55,751 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:26:55,751 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:26:55,752 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:26:55,752 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:26:55,753 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 02:26:55,753 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 02:26:55,753 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 02:26:55,753 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:26:55,753 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:26:55,753 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:26:55,753 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:26:55,753 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:26:55,753 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:26:55,753 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:26:55,753 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:26:55,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:26:55,754 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:26:55,754 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:26:55,754 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:26:55,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:26:55,754 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_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3 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 [2024-11-25 02:26:56,078 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:26:56,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:26:56,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:26:56,096 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:26:56,096 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:26:56,098 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-15/cstrncpy_reverse_alloca.i [2024-11-25 02:26:59,301 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/data/cc9c49cbc/67e3fdd7f07d4c6cbcd8adb43a9bfb9d/FLAGe3ee052ba [2024-11-25 02:26:59,656 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:26:59,658 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/sv-benchmarks/c/termination-15/cstrncpy_reverse_alloca.i [2024-11-25 02:26:59,671 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/data/cc9c49cbc/67e3fdd7f07d4c6cbcd8adb43a9bfb9d/FLAGe3ee052ba [2024-11-25 02:26:59,699 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/data/cc9c49cbc/67e3fdd7f07d4c6cbcd8adb43a9bfb9d [2024-11-25 02:26:59,704 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:26:59,706 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:26:59,710 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:26:59,710 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:26:59,715 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:26:59,716 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:26:59" (1/1) ... [2024-11-25 02:26:59,719 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e2dc4ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:26:59, skipping insertion in model container [2024-11-25 02:26:59,719 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:26:59" (1/1) ... [2024-11-25 02:26:59,752 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:27:00,045 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:27:00,054 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:27:00,101 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:27:00,138 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:27:00,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:00 WrapperNode [2024-11-25 02:27:00,139 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:27:00,140 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:27:00,140 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:27:00,140 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:27:00,149 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:00" (1/1) ... [2024-11-25 02:27:00,161 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:00" (1/1) ... [2024-11-25 02:27:00,183 INFO L138 Inliner]: procedures = 152, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 76 [2024-11-25 02:27:00,183 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:27:00,184 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:27:00,184 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:27:00,184 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:27:00,190 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:00" (1/1) ... [2024-11-25 02:27:00,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:00" (1/1) ... [2024-11-25 02:27:00,192 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:00" (1/1) ... [2024-11-25 02:27:00,193 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:00" (1/1) ... [2024-11-25 02:27:00,198 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:00" (1/1) ... [2024-11-25 02:27:00,201 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:00" (1/1) ... [2024-11-25 02:27:00,204 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:00" (1/1) ... [2024-11-25 02:27:00,205 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:00" (1/1) ... [2024-11-25 02:27:00,206 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:00" (1/1) ... [2024-11-25 02:27:00,207 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:27:00,208 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:27:00,208 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:27:00,208 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:27:00,209 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:27:00" (1/1) ... [2024-11-25 02:27:00,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:27:00,242 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:27:00,259 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:27:00,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:27:00,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 02:27:00,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 02:27:00,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 02:27:00,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 02:27:00,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:27:00,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:27:00,379 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:27:00,381 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:27:00,573 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live. [2024-11-25 02:27:00,573 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:27:00,640 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:27:00,640 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:27:00,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:27:00 BoogieIcfgContainer [2024-11-25 02:27:00,641 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:27:00,641 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:27:00,641 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:27:00,651 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:27:00,652 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:27:00" (1/1) ... [2024-11-25 02:27:00,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:27:00,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:00,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2024-11-25 02:27:00,712 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2024-11-25 02:27:00,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 02:27:00,714 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:00,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:00,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:01,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:27:01,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:01,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2024-11-25 02:27:01,157 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2024-11-25 02:27:01,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 02:27:01,157 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:01,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:01,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:01,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:27:01,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:01,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2024-11-25 02:27:01,577 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-25 02:27:01,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:27:01,577 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:01,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:01,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:01,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:27:02,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:02,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 21 states and 26 transitions. [2024-11-25 02:27:02,362 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 26 transitions. [2024-11-25 02:27:02,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:27:02,362 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:02,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:02,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:02,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:27:02,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:02,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2024-11-25 02:27:02,889 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2024-11-25 02:27:02,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:27:02,891 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:02,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:03,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:27:04,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:04,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 26 states and 34 transitions. [2024-11-25 02:27:04,377 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 34 transitions. [2024-11-25 02:27:04,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:27:04,378 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:04,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:04,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:27:07,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:07,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 29 states and 39 transitions. [2024-11-25 02:27:07,039 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 39 transitions. [2024-11-25 02:27:07,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:27:07,040 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:07,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:07,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:27:08,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:08,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2024-11-25 02:27:08,716 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2024-11-25 02:27:08,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:27:08,717 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:08,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:09,902 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:27:13,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:13,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 34 states and 53 transitions. [2024-11-25 02:27:13,201 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 53 transitions. [2024-11-25 02:27:13,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:27:13,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:13,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:13,418 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:27:15,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:15,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 36 states and 56 transitions. [2024-11-25 02:27:15,520 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 56 transitions. [2024-11-25 02:27:15,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:27:15,521 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:15,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:16,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:27:18,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:18,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 41 states and 67 transitions. [2024-11-25 02:27:18,314 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 67 transitions. [2024-11-25 02:27:18,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:27:18,315 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:18,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:18,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:19,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:27:24,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:24,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 47 states and 87 transitions. [2024-11-25 02:27:24,157 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 87 transitions. [2024-11-25 02:27:24,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:27:24,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:24,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:24,771 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:27:30,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:30,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 54 states and 112 transitions. [2024-11-25 02:27:30,653 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 112 transitions. [2024-11-25 02:27:30,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 02:27:30,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:30,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:30,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:30,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:27:32,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:32,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 56 states and 119 transitions. [2024-11-25 02:27:32,301 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 119 transitions. [2024-11-25 02:27:32,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 02:27:32,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:32,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:34,708 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:27:43,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:43,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 63 states and 144 transitions. [2024-11-25 02:27:43,622 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 144 transitions. [2024-11-25 02:27:43,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 02:27:43,623 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:43,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:43,694 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:27:46,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:27:46,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 59 states and 131 transitions. [2024-11-25 02:27:46,604 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 131 transitions. [2024-11-25 02:27:46,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 02:27:46,604 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:27:46,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:27:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:27:49,205 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:28:01,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:28:01,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 65 states and 145 transitions. [2024-11-25 02:28:01,485 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 145 transitions. [2024-11-25 02:28:01,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 02:28:01,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:28:01,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:28:01,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:01,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:28:02,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:28:02,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 66 states and 146 transitions. [2024-11-25 02:28:02,909 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 146 transitions. [2024-11-25 02:28:02,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-25 02:28:02,910 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:28:02,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:28:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:05,295 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:28:10,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:28:10,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 66 states and 145 transitions. [2024-11-25 02:28:10,368 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 145 transitions. [2024-11-25 02:28:10,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 02:28:10,369 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:28:10,369 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:28:10,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:14,938 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:28:19,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:28:19,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2024-11-25 02:28:19,708 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2024-11-25 02:28:19,708 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 02:28:19,708 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 20 iterations. [2024-11-25 02:28:19,722 INFO L726 CodeCheckObserver]: All specifications hold 9 specifications checked. All of them hold [2024-11-25 02:28:20,544 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-25 02:28:20,544 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-25 02:28:20,545 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)))) [2024-11-25 02:28:20,545 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|)) [2024-11-25 02:28:20,545 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))) [2024-11-25 02:28:20,545 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-25 02:28:20,545 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-25 02:28:20,546 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|))) [2024-11-25 02:28:20,546 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK(lines 382 398) no Hoare annotation was computed. [2024-11-25 02:28:20,546 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 02:28:20,546 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|)) [2024-11-25 02:28:20,546 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|)) [2024-11-25 02:28:20,546 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) (not (= |ULTIMATE.start_cstrncpy_~src~0#1.base| |ULTIMATE.start_cstrncpy_#t~post206#1.base|)) (<= 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) (= |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|))) [2024-11-25 02:28:20,546 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-25 02:28:20,547 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|)) (not (= |ULTIMATE.start_cstrncpy_~src~0#1.base| |ULTIMATE.start_cstrncpy_#t~post206#1.base|)) (or (< 0 (+ |ULTIMATE.start_cstrncpy_~src~0#1.offset| 1)) (= |ULTIMATE.start_cstrncpy_#t~mem208#1| 0)) (= |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|))) [2024-11-25 02:28:20,547 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|)) [2024-11-25 02:28:20,547 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-25 02:28:20,547 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 02:28:20,547 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)) [2024-11-25 02:28:20,548 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-25 02:28:20,548 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-11-25 02:28:20,556 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) [2024-11-25 02:28:20,564 INFO L158 Benchmark]: Toolchain (without parser) took 80857.79ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 118.7MB in the beginning and 141.2MB in the end (delta: -22.5MB). Peak memory consumption was 99.8MB. Max. memory is 16.1GB. [2024-11-25 02:28:20,564 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 142.6MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:28:20,565 INFO L158 Benchmark]: CACSL2BoogieTranslator took 429.21ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 100.1MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:28:20,566 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.34ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 98.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:28:20,566 INFO L158 Benchmark]: Boogie Preprocessor took 23.86ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 97.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:28:20,568 INFO L158 Benchmark]: RCFGBuilder took 432.63ms. Allocated memory is still 142.6MB. Free memory was 97.5MB in the beginning and 80.0MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:28:20,569 INFO L158 Benchmark]: CodeCheck took 79921.63ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 80.0MB in the beginning and 141.2MB in the end (delta: -61.2MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. [2024-11-25 02:28:20,570 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: 79.0s, OverallIterations: 20, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 666 SdHoareTripleChecker+Valid, 11.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 474 mSDsluCounter, 276 SdHoareTripleChecker+Invalid, 10.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 210 mSDsCounter, 1195 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4857 IncrementalHoareTripleChecker+Invalid, 6052 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1195 mSolverCounterUnsat, 66 mSDtfsCounter, 4857 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2014 GetRequests, 1590 SyntacticMatches, 44 SemanticMatches, 380 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52957 ImplicationChecksByTransitivity, 73.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 18.1s InterpolantComputationTime, 160 NumberOfCodeBlocks, 160 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 141 ConstructedInterpolants, 0 QuantifiedInterpolants, 1625 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 19 InterpolantComputations, 12 PerfectInterpolantSequences, 14/53 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 0.36ms. Allocated memory is still 142.6MB. Free memory is still 80.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 429.21ms. Allocated memory is still 142.6MB. Free memory was 118.5MB in the beginning and 100.1MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.34ms. Allocated memory is still 142.6MB. Free memory was 100.1MB in the beginning and 98.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 23.86ms. Allocated memory is still 142.6MB. Free memory was 98.7MB in the beginning and 97.5MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 432.63ms. Allocated memory is still 142.6MB. Free memory was 97.5MB in the beginning and 80.0MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 79921.63ms. Allocated memory was 142.6MB in the beginning and 268.4MB in the end (delta: 125.8MB). Free memory was 80.0MB in the beginning and 141.2MB in the end (delta: -61.2MB). Peak memory consumption was 66.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-25 02:28:20,596 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-15/cstrncpy_reverse_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3 --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 [2024-11-25 02:28:23,293 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:28:23,427 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Bitvector.epf [2024-11-25 02:28:23,469 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:28:23,470 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:28:23,471 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:28:23,472 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:28:23,472 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:28:23,472 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:28:23,472 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-25 02:28:23,473 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-25 02:28:23,473 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-25 02:28:23,473 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:28:23,474 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:28:23,474 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:28:23,474 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:28:23,474 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-25 02:28:23,474 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:28:23,474 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:28:23,474 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:28:23,475 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:28:23,475 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:28:23,475 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:28:23,475 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:28:23,475 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:28:23,475 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:28:23,475 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:28:23,475 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:28:23,475 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:28:23,476 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:28:23,476 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:28:23,476 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_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3 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 [2024-11-25 02:28:23,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:28:23,854 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:28:23,857 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:28:23,861 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:28:23,861 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:28:23,866 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/termination-15/cstrncpy_reverse_alloca.i [2024-11-25 02:28:26,937 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/data/7a46a7edd/854057eea1564ca1a1080562992be50f/FLAGe97c1a254 [2024-11-25 02:28:27,349 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:28:27,350 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/sv-benchmarks/c/termination-15/cstrncpy_reverse_alloca.i [2024-11-25 02:28:27,365 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/data/7a46a7edd/854057eea1564ca1a1080562992be50f/FLAGe97c1a254 [2024-11-25 02:28:27,389 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/data/7a46a7edd/854057eea1564ca1a1080562992be50f [2024-11-25 02:28:27,392 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:28:27,395 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:28:27,397 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:28:27,397 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:28:27,402 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:28:27,403 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:28:27" (1/1) ... [2024-11-25 02:28:27,403 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@748279a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:27, skipping insertion in model container [2024-11-25 02:28:27,404 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:28:27" (1/1) ... [2024-11-25 02:28:27,439 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:28:27,789 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 02:28:27,790 WARN L1063 CHandler]: saw a pointer cast to a type that we could not get a type size for, not adapting memory model [2024-11-25 02:28:27,792 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:28:27,805 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:28:27,861 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:28:27,901 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:28:27,901 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:27 WrapperNode [2024-11-25 02:28:27,902 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:28:27,903 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:28:27,903 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:28:27,903 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:28:27,909 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:27" (1/1) ... [2024-11-25 02:28:27,924 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:27" (1/1) ... [2024-11-25 02:28:27,946 INFO L138 Inliner]: procedures = 153, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2024-11-25 02:28:27,947 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:28:27,948 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:28:27,948 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:28:27,948 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:28:27,955 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:27" (1/1) ... [2024-11-25 02:28:27,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:27" (1/1) ... [2024-11-25 02:28:27,958 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:27" (1/1) ... [2024-11-25 02:28:27,958 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:27" (1/1) ... [2024-11-25 02:28:27,966 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:27" (1/1) ... [2024-11-25 02:28:27,967 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:27" (1/1) ... [2024-11-25 02:28:27,971 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:27" (1/1) ... [2024-11-25 02:28:27,972 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:27" (1/1) ... [2024-11-25 02:28:27,973 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:27" (1/1) ... [2024-11-25 02:28:27,975 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:28:27,976 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:28:27,977 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:28:27,977 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:28:27,978 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:27" (1/1) ... [2024-11-25 02:28:27,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:28:27,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:28:28,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:28:28,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:28:28,055 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2024-11-25 02:28:28,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-25 02:28:28,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2024-11-25 02:28:28,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-25 02:28:28,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:28:28,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:28:28,159 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:28:28,161 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:28:28,582 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live. [2024-11-25 02:28:28,582 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:28:28,727 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:28:28,727 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 02:28:28,727 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:28:28 BoogieIcfgContainer [2024-11-25 02:28:28,728 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:28:28,729 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:28:28,729 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:28:28,741 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:28:28,742 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:28:28" (1/1) ... [2024-11-25 02:28:28,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:28:28,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:28:28,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 21 states and 24 transitions. [2024-11-25 02:28:28,812 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 24 transitions. [2024-11-25 02:28:28,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 02:28:28,815 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:28:28,816 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:28:28,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:28:28,819 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:28:28,821 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 02:28:28,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:28,948 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:28:28,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:28,980 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 02:28:28,985 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:28:29,060 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 [2024-11-25 02:28:29,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:28:29,088 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 [2024-11-25 02:28:29,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:28:29,109 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 02:28:29,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 02:28:29,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:28:29,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 20 states and 23 transitions. [2024-11-25 02:28:29,176 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 23 transitions. [2024-11-25 02:28:29,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-11-25 02:28:29,176 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:28:29,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:28:29,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:28:29,181 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:28:29,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-25 02:28:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:29,298 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:28:29,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:29,329 INFO L256 TraceCheckSpWp]: Trace formula consists of 25 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 02:28:29,331 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:28:29,440 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 [2024-11-25 02:28:29,496 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 [2024-11-25 02:28:29,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:28:29,582 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 02:28:29,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-25 02:28:29,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:28:29,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 19 states and 22 transitions. [2024-11-25 02:28:29,838 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-25 02:28:29,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:28:29,838 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:28:29,838 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:28:29,838 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:28:29,841 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:28:29,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-25 02:28:30,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:30,010 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:28:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:30,099 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:28:30,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:28:30,136 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 [2024-11-25 02:28:30,152 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 [2024-11-25 02:28:30,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:28:30,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-25 02:28:31,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:28:31,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2024-11-25 02:28:31,230 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2024-11-25 02:28:31,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:28:31,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:28:31,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:28:31,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:28:31,233 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:28:31,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-25 02:28:31,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:31,405 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:28:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:31,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 02:28:31,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:28:31,456 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 [2024-11-25 02:28:31,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:28:31,474 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 [2024-11-25 02:28:31,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:28:31,610 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 02:28:31,611 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-25 02:28:32,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:28:32,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 23 states and 30 transitions. [2024-11-25 02:28:32,806 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 30 transitions. [2024-11-25 02:28:32,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:28:32,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:28:32,809 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:28:32,809 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:28:32,811 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:28:32,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-25 02:28:32,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:32,996 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:28:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:33,036 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 02:28:33,038 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:28:33,078 INFO L349 Elim1Store]: treesize reduction 19, result has 26.9 percent of original size [2024-11-25 02:28:33,078 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 [2024-11-25 02:28:33,383 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:28:33,385 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 02:28:33,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-25 02:28:35,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:28:35,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 26 states and 36 transitions. [2024-11-25 02:28:35,433 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 36 transitions. [2024-11-25 02:28:35,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:28:35,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:28:35,434 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:28:35,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:28:35,436 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:28:35,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-25 02:28:35,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:35,628 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:28:35,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:35,724 INFO L256 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 02:28:35,726 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:28:35,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:28:35,753 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 [2024-11-25 02:28:35,760 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 [2024-11-25 02:28:36,346 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:28:36,348 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Exception during sending of exit command (exit): Broken pipe [2024-11-25 02:28:36,350 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-25 02:28:40,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:28:40,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2024-11-25 02:28:40,497 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2024-11-25 02:28:40,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 02:28:40,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:28:40,498 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:28:40,498 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:28:40,502 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:28:40,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-25 02:28:40,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:40,614 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:28:40,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:40,640 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 02:28:40,642 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:28:41,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:28:41,039 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-25 02:28:43,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:28:43,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2024-11-25 02:28:43,513 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2024-11-25 02:28:43,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:28:43,514 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:28:43,514 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:28:43,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:28:43,518 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:28:43,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-25 02:28:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:43,710 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:28:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:43,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-25 02:28:43,815 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:28:43,833 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 [2024-11-25 02:28:43,844 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 [2024-11-25 02:28:43,857 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 [2024-11-25 02:28:44,598 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:28:44,598 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 [2024-11-25 02:28:46,809 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:28:46,812 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-25 02:28:57,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:28:57,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2024-11-25 02:28:57,661 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2024-11-25 02:28:57,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-25 02:28:57,661 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:28:57,661 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:28:57,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:28:57,665 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:28:57,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-25 02:28:57,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:57,811 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:28:57,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:28:57,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-25 02:28:57,843 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:28:57,854 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 [2024-11-25 02:28:57,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:28:57,870 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 [2024-11-25 02:28:57,892 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:28:57,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-25 02:29:05,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:05,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2024-11-25 02:29:05,571 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2024-11-25 02:29:05,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:29:05,571 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:05,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:29:05,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:29:05,577 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:29:05,578 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-25 02:29:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:05,777 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:29:05,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:05,810 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-25 02:29:05,811 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:29:06,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:29:06,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-25 02:29:14,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:14,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 45 states and 84 transitions. [2024-11-25 02:29:14,767 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 84 transitions. [2024-11-25 02:29:14,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:29:14,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:14,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:29:14,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:29:14,770 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:29:14,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-25 02:29:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:14,953 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:29:15,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:15,058 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-25 02:29:15,059 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:29:19,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:29:19,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-25 02:29:43,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:43,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 51 states and 104 transitions. [2024-11-25 02:29:43,787 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 104 transitions. [2024-11-25 02:29:43,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:29:43,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:43,787 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:29:43,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:29:43,789 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:29:43,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-25 02:29:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:43,986 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:29:44,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:44,092 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 02:29:44,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:29:45,224 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:29:45,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-25 02:29:58,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:29:58,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 54 states and 117 transitions. [2024-11-25 02:29:58,483 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 117 transitions. [2024-11-25 02:29:58,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:29:58,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:29:58,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:29:58,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:29:58,486 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:29:58,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-25 02:29:58,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:58,661 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:29:58,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:29:58,697 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-25 02:29:58,697 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:29:58,714 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:29:58,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-25 02:30:06,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:30:06,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 56 states and 120 transitions. [2024-11-25 02:30:06,539 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 120 transitions. [2024-11-25 02:30:06,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:30:06,540 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:30:06,540 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:30:06,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:30:06,542 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:30:06,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-25 02:30:06,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:30:06,709 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:30:06,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:30:06,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 02:30:06,752 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:30:09,022 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:30:09,023 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2024-11-25 02:30:09,038 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 [2024-11-25 02:30:09,039 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:30:09,041 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-25 02:30:40,806 WARN L851 $PredicateComparison]: unable to prove that (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 [2024-11-25 02:30:40,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:30:40,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 63 states and 152 transitions. [2024-11-25 02:30:40,810 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 152 transitions. [2024-11-25 02:30:40,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:30:40,811 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:30:40,811 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:30:40,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:30:40,818 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:30:40,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-11-25 02:30:41,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:30:41,005 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:30:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:30:41,043 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 02:30:41,045 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:30:41,154 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:30:41,154 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2024-11-25 02:30:41,169 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 [2024-11-25 02:30:41,170 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:30:41,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (16)] Forceful destruction successful, exit code 0 [2024-11-25 02:30:43,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:30:43,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 63 states and 151 transitions. [2024-11-25 02:30:43,749 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 151 transitions. [2024-11-25 02:30:43,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 02:30:43,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:30:43,750 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:30:43,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:30:43,753 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:30:43,754 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-11-25 02:30:43,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:30:43,943 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:30:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:30:43,983 INFO L256 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 02:30:43,984 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:30:44,094 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:30:44,095 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2024-11-25 02:30:45,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:30:45,103 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (17)] Forceful destruction successful, exit code 0 [2024-11-25 02:30:45,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:30:45,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 63 states and 150 transitions. [2024-11-25 02:30:45,150 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 150 transitions. [2024-11-25 02:30:45,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-25 02:30:45,151 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:30:45,151 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:30:45,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:30:45,156 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:30:45,157 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-11-25 02:30:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:30:45,331 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:30:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:30:45,368 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-25 02:30:45,369 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:30:45,483 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:30:45,483 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2024-11-25 02:30:46,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:30:46,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (18)] Forceful destruction successful, exit code 0 [2024-11-25 02:30:55,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:30:55,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 65 states and 156 transitions. [2024-11-25 02:30:55,144 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 156 transitions. [2024-11-25 02:30:55,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 02:30:55,144 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:30:55,144 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:30:55,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:30:55,149 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:30:55,153 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-25 02:30:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:30:55,321 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:30:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:30:55,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 02:30:55,355 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:30:55,381 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:30:55,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-25 02:30:59,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:30:59,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 65 states and 155 transitions. [2024-11-25 02:30:59,269 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 155 transitions. [2024-11-25 02:30:59,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 02:30:59,270 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:30:59,270 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:30:59,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:30:59,274 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:30:59,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-11-25 02:30:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:30:59,513 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:30:59,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:30:59,717 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-11-25 02:30:59,718 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:31:09,031 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:31:09,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-11-25 02:31:27,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:31:27,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 66 states and 159 transitions. [2024-11-25 02:31:27,812 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 159 transitions. [2024-11-25 02:31:27,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 02:31:27,813 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:31:27,813 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:31:27,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:31:27,815 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:31:27,816 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-11-25 02:31:28,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:31:28,186 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:31:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:31:28,319 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-25 02:31:28,321 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:31:28,330 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 [2024-11-25 02:31:28,345 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 [2024-11-25 02:31:29,523 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 [2024-11-25 02:31:33,556 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 [2024-11-25 02:31:36,699 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:31:36,699 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 [2024-11-25 02:31:44,039 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:31:44,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (21)] Ended with exit code 0 [2024-11-25 02:33:16,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:33:16,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 76 states and 205 transitions. [2024-11-25 02:33:16,125 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 205 transitions. [2024-11-25 02:33:16,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-25 02:33:16,126 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:33:16,126 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:33:16,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:33:16,129 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:33:16,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-25 02:33:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:33:16,350 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:33:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:33:16,384 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-25 02:33:16,385 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:33:16,397 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 [2024-11-25 02:33:16,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:33:16,406 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 [2024-11-25 02:33:16,435 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-25 02:33:16,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-11-25 02:33:44,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:33:44,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 80 states and 220 transitions. [2024-11-25 02:33:44,953 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 220 transitions. [2024-11-25 02:33:44,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 02:33:44,953 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:33:44,954 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:33:44,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:33:44,959 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:33:44,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-11-25 02:33:45,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:33:45,220 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:33:45,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:33:45,261 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-25 02:33:45,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:33:46,797 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:33:46,797 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2024-11-25 02:33:46,812 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 [2024-11-25 02:33:46,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:33:46,815 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (23)] Forceful destruction successful, exit code 0 [2024-11-25 02:34:37,088 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 [2024-11-25 02:34:37,095 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 [2024-11-25 02:34:37,110 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 [2024-11-25 02:34:37,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:34:37,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 86 states and 245 transitions. [2024-11-25 02:34:37,112 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 245 transitions. [2024-11-25 02:34:37,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 02:34:37,116 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:34:37,116 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:34:37,116 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:34:37,118 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:34:37,123 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-25 02:34:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:34:37,315 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:34:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:34:37,353 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-25 02:34:37,354 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:34:37,383 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:34:37,386 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (24)] Forceful destruction successful, exit code 0 [2024-11-25 02:35:06,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:06,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 88 states and 253 transitions. [2024-11-25 02:35:06,057 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 253 transitions. [2024-11-25 02:35:06,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 02:35:06,057 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:06,057 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:35:06,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:35:06,059 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:35:06,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-11-25 02:35:06,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:06,321 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:35:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:06,480 INFO L256 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-25 02:35:06,482 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:35:15,129 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:35:15,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (25)] Forceful destruction successful, exit code 0 [2024-11-25 02:35:54,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:35:54,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 91 states and 266 transitions. [2024-11-25 02:35:54,569 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 266 transitions. [2024-11-25 02:35:54,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 02:35:54,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:35:54,569 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:35:54,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:35:54,571 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:35:54,572 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-11-25 02:35:54,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:54,846 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:35:54,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:35:54,991 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-25 02:35:54,992 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:02,930 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:36:02,960 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-11-25 02:36:27,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:27,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 93 states and 277 transitions. [2024-11-25 02:36:27,874 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 277 transitions. [2024-11-25 02:36:27,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 02:36:27,875 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:27,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:27,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:27,880 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:27,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-11-25 02:36:28,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:28,087 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:28,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-25 02:36:28,124 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:28,153 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-25 02:36:28,156 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-11-25 02:36:46,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:36:46,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 95 states and 281 transitions. [2024-11-25 02:36:46,866 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 281 transitions. [2024-11-25 02:36:46,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 02:36:46,866 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:36:46,866 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:36:46,866 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:36:46,868 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:36:46,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-11-25 02:36:47,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:47,125 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:36:47,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:36:47,179 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-25 02:36:47,180 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:36:47,358 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:36:47,358 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2024-11-25 02:36:47,374 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 [2024-11-25 02:36:47,375 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-25 02:36:47,378 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-11-25 02:37:53,847 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 [2024-11-25 02:37:56,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:37:56,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 100 states and 295 transitions. [2024-11-25 02:37:56,040 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 295 transitions. [2024-11-25 02:37:56,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 02:37:56,041 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:37:56,041 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:37:56,041 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:37:56,044 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:37:56,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-25 02:37:56,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:56,356 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:37:56,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:37:56,420 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-25 02:37:56,422 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:37:56,431 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 [2024-11-25 02:37:56,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-25 02:37:56,446 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 [2024-11-25 02:37:56,512 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-25 02:37:56,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-25 02:38:22,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:38:22,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 101 states and 299 transitions. [2024-11-25 02:38:22,473 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 299 transitions. [2024-11-25 02:38:22,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-25 02:38:22,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:38:22,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:38:22,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:38:22,477 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:38:22,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-11-25 02:38:22,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:22,926 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 02:38:23,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 02:38:23,078 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-25 02:38:23,080 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 02:38:23,092 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 [2024-11-25 02:38:23,103 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 [2024-11-25 02:38:23,118 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 [2024-11-25 02:38:30,759 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 [2024-11-25 02:38:38,832 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 [2024-11-25 02:38:44,575 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-25 02:38:44,575 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 [2024-11-25 02:39:01,608 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 02:39:01,612 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_95a5befa-f54c-40d7-afc4-24df7496211d/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (30)] Forceful destruction successful, exit code 0