./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-crafted/Piecewise.c --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_a57bbd22-af1d-4947-8aa5-c654aeb2da1a/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57bbd22-af1d-4947-8aa5-c654aeb2da1a/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57bbd22-af1d-4947-8aa5-c654aeb2da1a/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57bbd22-af1d-4947-8aa5-c654aeb2da1a/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-crafted/Piecewise.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57bbd22-af1d-4947-8aa5-c654aeb2da1a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57bbd22-af1d-4947-8aa5-c654aeb2da1a/bin/uautomizer-verify-aQ6SnzHsRB --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 Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash ac2fbc3b92c237eee672d002679ee7a51e4ecff20f91c05c8145e18adc82f593 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:31:12,190 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:31:12,295 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57bbd22-af1d-4947-8aa5-c654aeb2da1a/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2024-11-28 04:31:12,301 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:31:12,302 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:31:12,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:31:12,348 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:31:12,349 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:31:12,349 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 04:31:12,350 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 04:31:12,350 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:31:12,350 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:31:12,351 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:31:12,351 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:31:12,352 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:31:12,352 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:31:12,352 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:31:12,353 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:31:12,353 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 04:31:12,354 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 04:31:12,354 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-28 04:31:12,354 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:31:12,354 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 04:31:12,354 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:31:12,355 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:31:12,355 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:31:12,355 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:31:12,355 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:31:12,355 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:31:12,355 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:31:12,355 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:31:12,356 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:31:12,356 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:31:12,356 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 04:31:12,356 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:31:12,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:31:12,357 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:31:12,358 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:31:12,358 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:31:12,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:31:12,358 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:31:12,358 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:31:12,358 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:31:12,358 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:31:12,359 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_a57bbd22-af1d-4947-8aa5-c654aeb2da1a/bin/uautomizer-verify-aQ6SnzHsRB 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 -> Automizer 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 -> ac2fbc3b92c237eee672d002679ee7a51e4ecff20f91c05c8145e18adc82f593 [2024-11-28 04:31:12,748 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:31:12,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:31:12,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:31:12,765 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:31:12,765 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:31:12,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57bbd22-af1d-4947-8aa5-c654aeb2da1a/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/termination-crafted/Piecewise.c [2024-11-28 04:31:15,774 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57bbd22-af1d-4947-8aa5-c654aeb2da1a/bin/uautomizer-verify-aQ6SnzHsRB/data/0b0aa3e01/69e622773a2b4a0dab33f16d952a7fc7/FLAG7cd2bcc15 [2024-11-28 04:31:16,074 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:31:16,075 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57bbd22-af1d-4947-8aa5-c654aeb2da1a/sv-benchmarks/c/termination-crafted/Piecewise.c [2024-11-28 04:31:16,085 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57bbd22-af1d-4947-8aa5-c654aeb2da1a/bin/uautomizer-verify-aQ6SnzHsRB/data/0b0aa3e01/69e622773a2b4a0dab33f16d952a7fc7/FLAG7cd2bcc15 [2024-11-28 04:31:16,360 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57bbd22-af1d-4947-8aa5-c654aeb2da1a/bin/uautomizer-verify-aQ6SnzHsRB/data/0b0aa3e01/69e622773a2b4a0dab33f16d952a7fc7 [2024-11-28 04:31:16,362 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:31:16,364 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:31:16,365 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:31:16,365 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:31:16,369 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:31:16,369 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:31:16" (1/1) ... [2024-11-28 04:31:16,370 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@766decd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:16, skipping insertion in model container [2024-11-28 04:31:16,370 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:31:16" (1/1) ... [2024-11-28 04:31:16,387 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:31:16,590 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:31:16,594 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:31:16,606 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:31:16,622 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:31:16,623 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:16 WrapperNode [2024-11-28 04:31:16,623 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:31:16,624 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:31:16,624 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:31:16,624 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:31:16,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:16" (1/1) ... [2024-11-28 04:31:16,636 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:16" (1/1) ... [2024-11-28 04:31:16,653 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 29 [2024-11-28 04:31:16,653 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:31:16,654 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:31:16,654 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:31:16,654 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:31:16,664 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:16" (1/1) ... [2024-11-28 04:31:16,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:16" (1/1) ... [2024-11-28 04:31:16,665 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:16" (1/1) ... [2024-11-28 04:31:16,671 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-28 04:31:16,671 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:16" (1/1) ... [2024-11-28 04:31:16,671 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:16" (1/1) ... [2024-11-28 04:31:16,673 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:16" (1/1) ... [2024-11-28 04:31:16,674 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:16" (1/1) ... [2024-11-28 04:31:16,678 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:16" (1/1) ... [2024-11-28 04:31:16,679 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:16" (1/1) ... [2024-11-28 04:31:16,680 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:16" (1/1) ... [2024-11-28 04:31:16,681 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:31:16,682 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:31:16,682 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:31:16,682 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:31:16,683 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:16" (1/1) ... [2024-11-28 04:31:16,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:31:16,711 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57bbd22-af1d-4947-8aa5-c654aeb2da1a/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:31:16,730 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57bbd22-af1d-4947-8aa5-c654aeb2da1a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:31:16,739 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57bbd22-af1d-4947-8aa5-c654aeb2da1a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:31:16,776 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:31:16,777 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:31:16,859 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:31:16,861 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:31:16,961 INFO L? ?]: Removed 4 outVars from TransFormulas that were not future-live. [2024-11-28 04:31:16,961 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:31:16,970 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:31:16,970 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 04:31:16,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:31:16 BoogieIcfgContainer [2024-11-28 04:31:16,970 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:31:16,972 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:31:16,973 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:31:16,977 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:31:16,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:31:16" (1/3) ... [2024-11-28 04:31:16,978 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ea2d103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:31:16, skipping insertion in model container [2024-11-28 04:31:16,978 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:31:16" (2/3) ... [2024-11-28 04:31:16,979 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ea2d103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:31:16, skipping insertion in model container [2024-11-28 04:31:16,979 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:31:16" (3/3) ... [2024-11-28 04:31:16,980 INFO L128 eAbstractionObserver]: Analyzing ICFG Piecewise.c [2024-11-28 04:31:16,995 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:31:16,996 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG Piecewise.c that has 1 procedures, 9 locations, 1 initial locations, 1 loop locations, and 0 error locations. [2024-11-28 04:31:16,997 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ea2d103 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:31:16, skipping insertion in model container [2024-11-28 04:31:16,998 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:31:16,998 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:31:16,998 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:31:16,999 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:31:16,999 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:31:16" (3/3) ... [2024-11-28 04:31:17,002 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 04:31:17,012 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 04:31:17,012 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 04:31:17,013 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-11-28 04:31:17,105 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57bbd22-af1d-4947-8aa5-c654aeb2da1a/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:31:17,106 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57bbd22-af1d-4947-8aa5-c654aeb2da1a/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:31:17,106 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:31:17,108 INFO L158 Benchmark]: Toolchain (without parser) took 743.74ms. Allocated memory is still 117.4MB. Free memory was 94.0MB in the beginning and 65.7MB in the end (delta: 28.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:31:17,112 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:31:17,113 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.73ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 83.8MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:31:17,113 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.35ms. Allocated memory is still 117.4MB. Free memory was 83.8MB in the beginning and 82.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:31:17,113 INFO L158 Benchmark]: Boogie Preprocessor took 27.32ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 82.0MB in the end (delta: 779.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:31:17,114 INFO L158 Benchmark]: RCFGBuilder took 288.47ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 72.7MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 04:31:17,114 INFO L158 Benchmark]: TraceAbstraction took 25.38ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 70.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:31:17,115 INFO L158 Benchmark]: Witness Printer took 107.61ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 65.7MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:31:17,120 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.73ms. Allocated memory is still 117.4MB. Free memory was 93.6MB in the beginning and 83.8MB in the end (delta: 9.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.35ms. Allocated memory is still 117.4MB. Free memory was 83.8MB in the beginning and 82.7MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.32ms. Allocated memory is still 117.4MB. Free memory was 82.7MB in the beginning and 82.0MB in the end (delta: 779.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 288.47ms. Allocated memory is still 117.4MB. Free memory was 82.0MB in the beginning and 72.7MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 25.38ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 70.3MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 107.61ms. Allocated memory is still 117.4MB. Free memory was 69.9MB in the beginning and 65.7MB in the end (delta: 4.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2024-11-28 04:31:17,144 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a57bbd22-af1d-4947-8aa5-c654aeb2da1a/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE