./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/StructInitialization2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_df0d96cd-be75-4967-abe5-de45048ea312/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0d96cd-be75-4967-abe5-de45048ea312/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_df0d96cd-be75-4967-abe5-de45048ea312/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0d96cd-be75-4967-abe5-de45048ea312/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/StructInitialization2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0d96cd-be75-4967-abe5-de45048ea312/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0d96cd-be75-4967-abe5-de45048ea312/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 32bit --witnessprinter.graph.data.programhash a9e57556025294612a4983c83f08462039130a71f3900642f3b13b79e1ecf173 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 02:49:59,628 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 02:49:59,696 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0d96cd-be75-4967-abe5-de45048ea312/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Default.epf [2024-11-28 02:49:59,701 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 02:49:59,702 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 02:49:59,728 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 02:49:59,729 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 02:49:59,729 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 02:49:59,729 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 02:49:59,729 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 02:49:59,729 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 02:49:59,730 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 02:49:59,730 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 02:49:59,730 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 02:49:59,730 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 02:49:59,730 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 02:49:59,731 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 02:49:59,731 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 02:49:59,731 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 02:49:59,731 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 02:49:59,731 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-11-28 02:49:59,731 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-11-28 02:49:59,731 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-11-28 02:49:59,731 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 02:49:59,731 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 02:49:59,733 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 02:49:59,734 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 02:49:59,734 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 02:49:59,734 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 02:49:59,734 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 02:49:59,735 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:49:59,735 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:49:59,735 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:49:59,735 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:49:59,735 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 02:49:59,735 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 02:49:59,736 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 02:49:59,736 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 02:49:59,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:49:59,736 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 02:49:59,736 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 02:49:59,736 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 02:49:59,736 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 02:49:59,737 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 02:49:59,737 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 02:49:59,737 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 02:49:59,737 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 02:49:59,737 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_df0d96cd-be75-4967-abe5-de45048ea312/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a9e57556025294612a4983c83f08462039130a71f3900642f3b13b79e1ecf173 [2024-11-28 02:50:00,161 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 02:50:00,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 02:50:00,178 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 02:50:00,181 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 02:50:00,181 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 02:50:00,183 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0d96cd-be75-4967-abe5-de45048ea312/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/ldv-memsafety/StructInitialization2.c [2024-11-28 02:50:03,333 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0d96cd-be75-4967-abe5-de45048ea312/bin/uautomizer-verify-aQ6SnzHsRB/data/5ecb0e6eb/ed5d90d77ec941baaeb8bcbd7b7bf0b0/FLAG1207d94a6 [2024-11-28 02:50:03,627 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 02:50:03,628 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0d96cd-be75-4967-abe5-de45048ea312/sv-benchmarks/c/ldv-memsafety/StructInitialization2.c [2024-11-28 02:50:03,638 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0d96cd-be75-4967-abe5-de45048ea312/bin/uautomizer-verify-aQ6SnzHsRB/data/5ecb0e6eb/ed5d90d77ec941baaeb8bcbd7b7bf0b0/FLAG1207d94a6 [2024-11-28 02:50:03,669 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0d96cd-be75-4967-abe5-de45048ea312/bin/uautomizer-verify-aQ6SnzHsRB/data/5ecb0e6eb/ed5d90d77ec941baaeb8bcbd7b7bf0b0 [2024-11-28 02:50:03,672 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 02:50:03,673 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 02:50:03,675 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 02:50:03,675 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 02:50:03,679 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 02:50:03,680 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:50:03" (1/1) ... [2024-11-28 02:50:03,681 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76bfbe99 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:03, skipping insertion in model container [2024-11-28 02:50:03,681 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:50:03" (1/1) ... [2024-11-28 02:50:03,698 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 02:50:03,871 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:50:03,915 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 02:50:03,952 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 02:50:03,987 INFO L204 MainTranslator]: Completed translation [2024-11-28 02:50:03,988 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:03 WrapperNode [2024-11-28 02:50:03,988 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 02:50:03,989 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 02:50:03,989 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 02:50:03,989 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 02:50:04,000 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:03" (1/1) ... [2024-11-28 02:50:04,014 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:03" (1/1) ... [2024-11-28 02:50:04,054 INFO L138 Inliner]: procedures = 11, calls = 82, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 286 [2024-11-28 02:50:04,055 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 02:50:04,055 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 02:50:04,055 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 02:50:04,055 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 02:50:04,064 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:03" (1/1) ... [2024-11-28 02:50:04,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:03" (1/1) ... [2024-11-28 02:50:04,068 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:03" (1/1) ... [2024-11-28 02:50:04,085 INFO L175 MemorySlicer]: Split 76 memory accesses to 1 slices as follows [76]. 100 percent of accesses are in the largest equivalence class. The 36 initializations are split as follows [36]. The 0 writes are split as follows [0]. [2024-11-28 02:50:04,086 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:03" (1/1) ... [2024-11-28 02:50:04,086 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:03" (1/1) ... [2024-11-28 02:50:04,117 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:03" (1/1) ... [2024-11-28 02:50:04,119 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:03" (1/1) ... [2024-11-28 02:50:04,123 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:03" (1/1) ... [2024-11-28 02:50:04,124 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:03" (1/1) ... [2024-11-28 02:50:04,126 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:03" (1/1) ... [2024-11-28 02:50:04,128 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 02:50:04,129 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 02:50:04,129 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 02:50:04,129 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 02:50:04,130 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:03" (1/1) ... [2024-11-28 02:50:04,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 02:50:04,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0d96cd-be75-4967-abe5-de45048ea312/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 02:50:04,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0d96cd-be75-4967-abe5-de45048ea312/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 02:50:04,173 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0d96cd-be75-4967-abe5-de45048ea312/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 02:50:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2024-11-28 02:50:04,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0 [2024-11-28 02:50:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 02:50:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 02:50:04,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 02:50:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-28 02:50:04,199 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 02:50:04,325 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 02:50:04,327 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 02:50:04,995 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-11-28 02:50:04,995 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 02:50:05,009 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 02:50:05,009 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-28 02:50:05,010 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:50:05 BoogieIcfgContainer [2024-11-28 02:50:05,010 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 02:50:05,012 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 02:50:05,012 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 02:50:05,018 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 02:50:05,018 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:50:03" (1/3) ... [2024-11-28 02:50:05,019 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3649c54c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:50:05, skipping insertion in model container [2024-11-28 02:50:05,019 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:50:03" (2/3) ... [2024-11-28 02:50:05,019 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3649c54c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:50:05, skipping insertion in model container [2024-11-28 02:50:05,019 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:50:05" (3/3) ... [2024-11-28 02:50:05,020 INFO L128 eAbstractionObserver]: Analyzing ICFG StructInitialization2.c [2024-11-28 02:50:05,036 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 02:50:05,037 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG StructInitialization2.c that has 1 procedures, 155 locations, 1 initial locations, 0 loop locations, and 81 error locations. [2024-11-28 02:50:05,080 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 02:50:05,093 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@32a5b276, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 02:50:05,093 INFO L334 AbstractCegarLoop]: Starting to check reachability of 81 error locations. [2024-11-28 02:50:05,098 INFO L276 IsEmpty]: Start isEmpty. Operand has 155 states, 73 states have (on average 2.1095890410958904) internal successors, (154), 154 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:50:05,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-28 02:50:05,103 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:50:05,103 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-28 02:50:05,104 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 78 more)] === [2024-11-28 02:50:05,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:50:05,110 INFO L85 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2024-11-28 02:50:05,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:50:05,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287503715] [2024-11-28 02:50:05,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:50:05,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:50:05,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:50:05,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:50:05,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:50:05,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287503715] [2024-11-28 02:50:05,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287503715] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:50:05,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:50:05,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 02:50:05,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674073466] [2024-11-28 02:50:05,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:50:05,679 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:50:05,679 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:50:05,705 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:50:05,706 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:50:05,709 INFO L87 Difference]: Start difference. First operand has 155 states, 73 states have (on average 2.1095890410958904) internal successors, (154), 154 states have internal predecessors, (154), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:50:06,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:50:06,017 INFO L93 Difference]: Finished difference Result 115 states and 114 transitions. [2024-11-28 02:50:06,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:50:06,022 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-11-28 02:50:06,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:50:06,030 INFO L225 Difference]: With dead ends: 115 [2024-11-28 02:50:06,031 INFO L226 Difference]: Without dead ends: 113 [2024-11-28 02:50:06,033 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:50:06,038 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 112 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 02:50:06,039 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 31 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 02:50:06,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2024-11-28 02:50:06,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2024-11-28 02:50:06,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 72 states have (on average 1.5555555555555556) internal successors, (112), 112 states have internal predecessors, (112), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:50:06,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 112 transitions. [2024-11-28 02:50:06,085 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 112 transitions. Word has length 3 [2024-11-28 02:50:06,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:50:06,086 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 112 transitions. [2024-11-28 02:50:06,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:50:06,086 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 112 transitions. [2024-11-28 02:50:06,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-28 02:50:06,086 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:50:06,086 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-11-28 02:50:06,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 02:50:06,087 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 78 more)] === [2024-11-28 02:50:06,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:50:06,088 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2024-11-28 02:50:06,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:50:06,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118060419] [2024-11-28 02:50:06,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:50:06,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:50:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:50:06,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:50:06,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:50:06,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118060419] [2024-11-28 02:50:06,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118060419] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:50:06,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:50:06,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-28 02:50:06,513 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462944061] [2024-11-28 02:50:06,513 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:50:06,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:50:06,514 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:50:06,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:50:06,515 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:50:06,515 INFO L87 Difference]: Start difference. First operand 113 states and 112 transitions. Second operand has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:50:06,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:50:06,697 INFO L93 Difference]: Finished difference Result 73 states and 72 transitions. [2024-11-28 02:50:06,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:50:06,697 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 3 [2024-11-28 02:50:06,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:50:06,698 INFO L225 Difference]: With dead ends: 73 [2024-11-28 02:50:06,698 INFO L226 Difference]: Without dead ends: 73 [2024-11-28 02:50:06,698 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:50:06,699 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 70 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 32 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 02:50:06,699 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 32 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 02:50:06,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-28 02:50:06,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-28 02:50:06,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 72 states have (on average 1.0) internal successors, (72), 72 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:50:06,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 72 transitions. [2024-11-28 02:50:06,711 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 72 transitions. Word has length 3 [2024-11-28 02:50:06,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:50:06,712 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 72 transitions. [2024-11-28 02:50:06,712 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:50:06,712 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 72 transitions. [2024-11-28 02:50:06,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-28 02:50:06,716 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 02:50:06,716 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 02:50:06,716 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 02:50:06,716 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_LEAK === [ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (and 78 more)] === [2024-11-28 02:50:06,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 02:50:06,717 INFO L85 PathProgramCache]: Analyzing trace with hash 596890755, now seen corresponding path program 1 times [2024-11-28 02:50:06,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 02:50:06,721 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072575122] [2024-11-28 02:50:06,721 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 02:50:06,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 02:50:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 02:50:07,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 02:50:07,087 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 02:50:07,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072575122] [2024-11-28 02:50:07,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072575122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 02:50:07,087 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 02:50:07,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 02:50:07,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755356315] [2024-11-28 02:50:07,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 02:50:07,088 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 02:50:07,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 02:50:07,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 02:50:07,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:50:07,088 INFO L87 Difference]: Start difference. First operand 73 states and 72 transitions. Second operand has 3 states, 2 states have (on average 36.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:50:07,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 02:50:07,182 INFO L93 Difference]: Finished difference Result 72 states and 71 transitions. [2024-11-28 02:50:07,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 02:50:07,183 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 36.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 72 [2024-11-28 02:50:07,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 02:50:07,185 INFO L225 Difference]: With dead ends: 72 [2024-11-28 02:50:07,185 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 02:50:07,185 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 02:50:07,187 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 31 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 02:50:07,187 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 31 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 02:50:07,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 02:50:07,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 02:50:07,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:50:07,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 02:50:07,188 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2024-11-28 02:50:07,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 02:50:07,189 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 02:50:07,189 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 36.0) internal successors, (72), 3 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 02:50:07,191 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 02:50:07,192 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 02:50:07,194 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE (80 of 81 remaining) [2024-11-28 02:50:07,195 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE (79 of 81 remaining) [2024-11-28 02:50:07,195 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE (78 of 81 remaining) [2024-11-28 02:50:07,195 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE (77 of 81 remaining) [2024-11-28 02:50:07,195 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4REQUIRES_VIOLATIONMEMORY_DEREFERENCE (76 of 81 remaining) [2024-11-28 02:50:07,195 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5REQUIRES_VIOLATIONMEMORY_DEREFERENCE (75 of 81 remaining) [2024-11-28 02:50:07,195 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6REQUIRES_VIOLATIONMEMORY_DEREFERENCE (74 of 81 remaining) [2024-11-28 02:50:07,196 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7REQUIRES_VIOLATIONMEMORY_DEREFERENCE (73 of 81 remaining) [2024-11-28 02:50:07,197 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8REQUIRES_VIOLATIONMEMORY_DEREFERENCE (72 of 81 remaining) [2024-11-28 02:50:07,197 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9REQUIRES_VIOLATIONMEMORY_DEREFERENCE (71 of 81 remaining) [2024-11-28 02:50:07,197 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10REQUIRES_VIOLATIONMEMORY_DEREFERENCE (70 of 81 remaining) [2024-11-28 02:50:07,197 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11REQUIRES_VIOLATIONMEMORY_DEREFERENCE (69 of 81 remaining) [2024-11-28 02:50:07,197 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12REQUIRES_VIOLATIONMEMORY_DEREFERENCE (68 of 81 remaining) [2024-11-28 02:50:07,197 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13REQUIRES_VIOLATIONMEMORY_DEREFERENCE (67 of 81 remaining) [2024-11-28 02:50:07,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14REQUIRES_VIOLATIONMEMORY_DEREFERENCE (66 of 81 remaining) [2024-11-28 02:50:07,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15REQUIRES_VIOLATIONMEMORY_DEREFERENCE (65 of 81 remaining) [2024-11-28 02:50:07,198 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16REQUIRES_VIOLATIONMEMORY_DEREFERENCE (64 of 81 remaining) [2024-11-28 02:50:07,199 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17REQUIRES_VIOLATIONMEMORY_DEREFERENCE (63 of 81 remaining) [2024-11-28 02:50:07,199 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18REQUIRES_VIOLATIONMEMORY_DEREFERENCE (62 of 81 remaining) [2024-11-28 02:50:07,199 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19REQUIRES_VIOLATIONMEMORY_DEREFERENCE (61 of 81 remaining) [2024-11-28 02:50:07,202 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20REQUIRES_VIOLATIONMEMORY_DEREFERENCE (60 of 81 remaining) [2024-11-28 02:50:07,202 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr21REQUIRES_VIOLATIONMEMORY_DEREFERENCE (59 of 81 remaining) [2024-11-28 02:50:07,202 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr22REQUIRES_VIOLATIONMEMORY_DEREFERENCE (58 of 81 remaining) [2024-11-28 02:50:07,202 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr23REQUIRES_VIOLATIONMEMORY_DEREFERENCE (57 of 81 remaining) [2024-11-28 02:50:07,202 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr24REQUIRES_VIOLATIONMEMORY_DEREFERENCE (56 of 81 remaining) [2024-11-28 02:50:07,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr25REQUIRES_VIOLATIONMEMORY_DEREFERENCE (55 of 81 remaining) [2024-11-28 02:50:07,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr26REQUIRES_VIOLATIONMEMORY_DEREFERENCE (54 of 81 remaining) [2024-11-28 02:50:07,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr27REQUIRES_VIOLATIONMEMORY_DEREFERENCE (53 of 81 remaining) [2024-11-28 02:50:07,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr28REQUIRES_VIOLATIONMEMORY_DEREFERENCE (52 of 81 remaining) [2024-11-28 02:50:07,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr29REQUIRES_VIOLATIONMEMORY_DEREFERENCE (51 of 81 remaining) [2024-11-28 02:50:07,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr30REQUIRES_VIOLATIONMEMORY_DEREFERENCE (50 of 81 remaining) [2024-11-28 02:50:07,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr31REQUIRES_VIOLATIONMEMORY_DEREFERENCE (49 of 81 remaining) [2024-11-28 02:50:07,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr32REQUIRES_VIOLATIONMEMORY_DEREFERENCE (48 of 81 remaining) [2024-11-28 02:50:07,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr33REQUIRES_VIOLATIONMEMORY_DEREFERENCE (47 of 81 remaining) [2024-11-28 02:50:07,203 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr34REQUIRES_VIOLATIONMEMORY_DEREFERENCE (46 of 81 remaining) [2024-11-28 02:50:07,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr35REQUIRES_VIOLATIONMEMORY_DEREFERENCE (45 of 81 remaining) [2024-11-28 02:50:07,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr36REQUIRES_VIOLATIONMEMORY_DEREFERENCE (44 of 81 remaining) [2024-11-28 02:50:07,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr37REQUIRES_VIOLATIONMEMORY_DEREFERENCE (43 of 81 remaining) [2024-11-28 02:50:07,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr38REQUIRES_VIOLATIONMEMORY_DEREFERENCE (42 of 81 remaining) [2024-11-28 02:50:07,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr39REQUIRES_VIOLATIONMEMORY_DEREFERENCE (41 of 81 remaining) [2024-11-28 02:50:07,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr40REQUIRES_VIOLATIONMEMORY_DEREFERENCE (40 of 81 remaining) [2024-11-28 02:50:07,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr41REQUIRES_VIOLATIONMEMORY_DEREFERENCE (39 of 81 remaining) [2024-11-28 02:50:07,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr42REQUIRES_VIOLATIONMEMORY_DEREFERENCE (38 of 81 remaining) [2024-11-28 02:50:07,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr43REQUIRES_VIOLATIONMEMORY_DEREFERENCE (37 of 81 remaining) [2024-11-28 02:50:07,204 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr44REQUIRES_VIOLATIONMEMORY_DEREFERENCE (36 of 81 remaining) [2024-11-28 02:50:07,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr45REQUIRES_VIOLATIONMEMORY_DEREFERENCE (35 of 81 remaining) [2024-11-28 02:50:07,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr46REQUIRES_VIOLATIONMEMORY_DEREFERENCE (34 of 81 remaining) [2024-11-28 02:50:07,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr47REQUIRES_VIOLATIONMEMORY_DEREFERENCE (33 of 81 remaining) [2024-11-28 02:50:07,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr48REQUIRES_VIOLATIONMEMORY_DEREFERENCE (32 of 81 remaining) [2024-11-28 02:50:07,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr49REQUIRES_VIOLATIONMEMORY_DEREFERENCE (31 of 81 remaining) [2024-11-28 02:50:07,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr50REQUIRES_VIOLATIONMEMORY_DEREFERENCE (30 of 81 remaining) [2024-11-28 02:50:07,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr51REQUIRES_VIOLATIONMEMORY_DEREFERENCE (29 of 81 remaining) [2024-11-28 02:50:07,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr52REQUIRES_VIOLATIONMEMORY_DEREFERENCE (28 of 81 remaining) [2024-11-28 02:50:07,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr53REQUIRES_VIOLATIONMEMORY_DEREFERENCE (27 of 81 remaining) [2024-11-28 02:50:07,205 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr54REQUIRES_VIOLATIONMEMORY_DEREFERENCE (26 of 81 remaining) [2024-11-28 02:50:07,206 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr55REQUIRES_VIOLATIONMEMORY_DEREFERENCE (25 of 81 remaining) [2024-11-28 02:50:07,206 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr56REQUIRES_VIOLATIONMEMORY_DEREFERENCE (24 of 81 remaining) [2024-11-28 02:50:07,206 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr57REQUIRES_VIOLATIONMEMORY_DEREFERENCE (23 of 81 remaining) [2024-11-28 02:50:07,206 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr58REQUIRES_VIOLATIONMEMORY_DEREFERENCE (22 of 81 remaining) [2024-11-28 02:50:07,206 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr59REQUIRES_VIOLATIONMEMORY_DEREFERENCE (21 of 81 remaining) [2024-11-28 02:50:07,206 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr60REQUIRES_VIOLATIONMEMORY_DEREFERENCE (20 of 81 remaining) [2024-11-28 02:50:07,206 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr61REQUIRES_VIOLATIONMEMORY_DEREFERENCE (19 of 81 remaining) [2024-11-28 02:50:07,206 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr62REQUIRES_VIOLATIONMEMORY_DEREFERENCE (18 of 81 remaining) [2024-11-28 02:50:07,206 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr63REQUIRES_VIOLATIONMEMORY_DEREFERENCE (17 of 81 remaining) [2024-11-28 02:50:07,206 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr64REQUIRES_VIOLATIONMEMORY_DEREFERENCE (16 of 81 remaining) [2024-11-28 02:50:07,207 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr65REQUIRES_VIOLATIONMEMORY_DEREFERENCE (15 of 81 remaining) [2024-11-28 02:50:07,207 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr66REQUIRES_VIOLATIONMEMORY_DEREFERENCE (14 of 81 remaining) [2024-11-28 02:50:07,207 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr67REQUIRES_VIOLATIONMEMORY_DEREFERENCE (13 of 81 remaining) [2024-11-28 02:50:07,207 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr68REQUIRES_VIOLATIONMEMORY_DEREFERENCE (12 of 81 remaining) [2024-11-28 02:50:07,210 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr69REQUIRES_VIOLATIONMEMORY_DEREFERENCE (11 of 81 remaining) [2024-11-28 02:50:07,210 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr70REQUIRES_VIOLATIONMEMORY_DEREFERENCE (10 of 81 remaining) [2024-11-28 02:50:07,210 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr71REQUIRES_VIOLATIONMEMORY_DEREFERENCE (9 of 81 remaining) [2024-11-28 02:50:07,210 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr72REQUIRES_VIOLATIONMEMORY_DEREFERENCE (8 of 81 remaining) [2024-11-28 02:50:07,210 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr73REQUIRES_VIOLATIONMEMORY_DEREFERENCE (7 of 81 remaining) [2024-11-28 02:50:07,210 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr74REQUIRES_VIOLATIONMEMORY_DEREFERENCE (6 of 81 remaining) [2024-11-28 02:50:07,211 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr75REQUIRES_VIOLATIONMEMORY_DEREFERENCE (5 of 81 remaining) [2024-11-28 02:50:07,211 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr76REQUIRES_VIOLATIONMEMORY_DEREFERENCE (4 of 81 remaining) [2024-11-28 02:50:07,211 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr77REQUIRES_VIOLATIONMEMORY_DEREFERENCE (3 of 81 remaining) [2024-11-28 02:50:07,211 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr78REQUIRES_VIOLATIONMEMORY_DEREFERENCE (2 of 81 remaining) [2024-11-28 02:50:07,212 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr79REQUIRES_VIOLATIONMEMORY_DEREFERENCE (1 of 81 remaining) [2024-11-28 02:50:07,212 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_LEAK (0 of 81 remaining) [2024-11-28 02:50:07,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 02:50:07,216 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-28 02:50:07,218 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 02:50:07,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:50:07 BoogieIcfgContainer [2024-11-28 02:50:07,225 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 02:50:07,226 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 02:50:07,227 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 02:50:07,227 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 02:50:07,228 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:50:05" (3/4) ... [2024-11-28 02:50:07,231 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 02:50:07,247 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-28 02:50:07,248 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2024-11-28 02:50:07,249 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 02:50:07,250 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 02:50:07,395 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0d96cd-be75-4967-abe5-de45048ea312/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 02:50:07,395 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0d96cd-be75-4967-abe5-de45048ea312/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 02:50:07,395 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 02:50:07,396 INFO L158 Benchmark]: Toolchain (without parser) took 3722.90ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 94.3MB in the beginning and 181.8MB in the end (delta: -87.5MB). Peak memory consumption was 141.6MB. Max. memory is 16.1GB. [2024-11-28 02:50:07,397 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:50:07,399 INFO L158 Benchmark]: CACSL2BoogieTranslator took 313.80ms. Allocated memory is still 117.4MB. Free memory was 94.3MB in the beginning and 80.8MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:50:07,402 INFO L158 Benchmark]: Boogie Procedure Inliner took 65.44ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 78.1MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:50:07,402 INFO L158 Benchmark]: Boogie Preprocessor took 73.23ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 73.5MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 02:50:07,402 INFO L158 Benchmark]: RCFGBuilder took 881.17ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 89.3MB in the end (delta: -15.9MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2024-11-28 02:50:07,402 INFO L158 Benchmark]: TraceAbstraction took 2212.90ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 88.8MB in the beginning and 191.8MB in the end (delta: -103.1MB). Peak memory consumption was 128.5MB. Max. memory is 16.1GB. [2024-11-28 02:50:07,403 INFO L158 Benchmark]: Witness Printer took 169.12ms. Allocated memory is still 352.3MB. Free memory was 191.8MB in the beginning and 181.8MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 02:50:07,405 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66ms. Allocated memory is still 167.8MB. Free memory is still 103.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 313.80ms. Allocated memory is still 117.4MB. Free memory was 94.3MB in the beginning and 80.8MB in the end (delta: 13.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 65.44ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 78.1MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 73.23ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 73.5MB in the end (delta: 4.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 881.17ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 89.3MB in the end (delta: -15.9MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2212.90ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 88.8MB in the beginning and 191.8MB in the end (delta: -103.1MB). Peak memory consumption was 128.5MB. Max. memory is 16.1GB. * Witness Printer took 169.12ms. Allocated memory is still 352.3MB. Free memory was 191.8MB in the beginning and 181.8MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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: -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: -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: -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: -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: -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: -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: -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: -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: -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: 128]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 155 locations, 81 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 182 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 182 mSDsluCounter, 94 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 78 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 164 IncrementalHoareTripleChecker+Invalid, 242 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 78 mSolverCounterUnsat, 94 mSDtfsCounter, 164 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=0, InterpolantAutomatonStates: 9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 78 NumberOfCodeBlocks, 78 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 75 ConstructedInterpolants, 0 QuantifiedInterpolants, 251 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 81 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 02:50:07,440 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_df0d96cd-be75-4967-abe5-de45048ea312/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE