./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-sets/test_add-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71763b0-2009-4456-8ef5-4c86864a5c5a/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71763b0-2009-4456-8ef5-4c86864a5c5a/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71763b0-2009-4456-8ef5-4c86864a5c5a/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71763b0-2009-4456-8ef5-4c86864a5c5a/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-sets/test_add-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71763b0-2009-4456-8ef5-4c86864a5c5a/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71763b0-2009-4456-8ef5-4c86864a5c5a/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b0bf6ee66b233cfe70507a3d8d55aa219725b8ce14e12bc2fdcf83f18b236eff --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:54:46,363 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:54:46,488 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71763b0-2009-4456-8ef5-4c86864a5c5a/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-06 22:54:46,501 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:54:46,502 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:54:46,541 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:54:46,543 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:54:46,544 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:54:46,546 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:54:46,551 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:54:46,551 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:54:46,552 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 22:54:46,553 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 22:54:46,554 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 22:54:46,555 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 22:54:46,555 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 22:54:46,556 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 22:54:46,557 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:54:46,557 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 22:54:46,558 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:54:46,558 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:54:46,559 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:54:46,560 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:54:46,560 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 22:54:46,561 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 22:54:46,561 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 22:54:46,562 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:54:46,562 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:54:46,563 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:54:46,563 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 22:54:46,565 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:54:46,565 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:54:46,565 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:54:46,566 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:54:46,566 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:54:46,567 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 22:54:46,567 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71763b0-2009-4456-8ef5-4c86864a5c5a/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71763b0-2009-4456-8ef5-4c86864a5c5a/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0bf6ee66b233cfe70507a3d8d55aa219725b8ce14e12bc2fdcf83f18b236eff [2023-11-06 22:54:46,831 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:54:46,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:54:46,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:54:46,866 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:54:46,867 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:54:46,868 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71763b0-2009-4456-8ef5-4c86864a5c5a/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/ldv-sets/test_add-2.i [2023-11-06 22:54:50,018 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:54:50,268 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:54:50,269 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71763b0-2009-4456-8ef5-4c86864a5c5a/sv-benchmarks/c/ldv-sets/test_add-2.i [2023-11-06 22:54:50,288 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71763b0-2009-4456-8ef5-4c86864a5c5a/bin/uautomizer-verify-WvqO1wxjHP/data/d1e6ddb43/7862683bdd9c4316baf14e06c59ac05f/FLAGb16e371c8 [2023-11-06 22:54:50,304 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71763b0-2009-4456-8ef5-4c86864a5c5a/bin/uautomizer-verify-WvqO1wxjHP/data/d1e6ddb43/7862683bdd9c4316baf14e06c59ac05f [2023-11-06 22:54:50,307 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:54:50,309 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:54:50,311 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:54:50,311 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:54:50,316 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:54:50,317 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:54:50" (1/1) ... [2023-11-06 22:54:50,318 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@106d83cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:50, skipping insertion in model container [2023-11-06 22:54:50,318 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:54:50" (1/1) ... [2023-11-06 22:54:50,378 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:54:50,806 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:54:50,818 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:54:50,892 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:54:50,948 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:54:50,949 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:50 WrapperNode [2023-11-06 22:54:50,949 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:54:50,951 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:54:50,951 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:54:50,951 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:54:50,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:50" (1/1) ... [2023-11-06 22:54:50,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:50" (1/1) ... [2023-11-06 22:54:51,007 INFO L138 Inliner]: procedures = 135, calls = 47, calls flagged for inlining = 16, calls inlined = 11, statements flattened = 121 [2023-11-06 22:54:51,008 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:54:51,009 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:54:51,009 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:54:51,009 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:54:51,020 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:50" (1/1) ... [2023-11-06 22:54:51,020 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:50" (1/1) ... [2023-11-06 22:54:51,025 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:50" (1/1) ... [2023-11-06 22:54:51,025 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:50" (1/1) ... [2023-11-06 22:54:51,039 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:50" (1/1) ... [2023-11-06 22:54:51,043 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:50" (1/1) ... [2023-11-06 22:54:51,046 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:50" (1/1) ... [2023-11-06 22:54:51,047 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:50" (1/1) ... [2023-11-06 22:54:51,051 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:54:51,052 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:54:51,052 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:54:51,052 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:54:51,053 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:50" (1/1) ... [2023-11-06 22:54:51,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 22:54:51,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71763b0-2009-4456-8ef5-4c86864a5c5a/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:54:51,090 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71763b0-2009-4456-8ef5-4c86864a5c5a/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 22:54:51,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71763b0-2009-4456-8ef5-4c86864a5c5a/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 22:54:51,123 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:54:51,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:54:51,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:54:51,124 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:54:51,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-06 22:54:51,124 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-06 22:54:51,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-06 22:54:51,125 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:54:51,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:54:51,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:54:51,268 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:54:51,269 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:54:51,586 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:54:51,593 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:54:51,594 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-06 22:54:51,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:54:51 BoogieIcfgContainer [2023-11-06 22:54:51,596 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:54:51,598 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-06 22:54:51,598 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-06 22:54:51,602 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-06 22:54:51,603 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:54:51,604 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.11 10:54:50" (1/3) ... [2023-11-06 22:54:51,606 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6772989c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:54:51, skipping insertion in model container [2023-11-06 22:54:51,606 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:54:51,606 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:54:50" (2/3) ... [2023-11-06 22:54:51,607 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6772989c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 10:54:51, skipping insertion in model container [2023-11-06 22:54:51,607 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 22:54:51,607 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:54:51" (3/3) ... [2023-11-06 22:54:51,609 INFO L332 chiAutomizerObserver]: Analyzing ICFG test_add-2.i [2023-11-06 22:54:51,684 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-06 22:54:51,684 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-06 22:54:51,684 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-06 22:54:51,685 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-06 22:54:51,685 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-06 22:54:51,685 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-06 22:54:51,686 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-06 22:54:51,687 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-06 22:54:51,693 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 26 states, 25 states have (on average 1.4) internal successors, (35), 25 states have internal predecessors, (35), 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) [2023-11-06 22:54:51,719 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-06 22:54:51,720 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:54:51,720 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:54:51,725 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:54:51,725 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 22:54:51,725 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-06 22:54:51,726 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 26 states, 25 states have (on average 1.4) internal successors, (35), 25 states have internal predecessors, (35), 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) [2023-11-06 22:54:51,729 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-06 22:54:51,729 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:54:51,729 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:54:51,730 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 22:54:51,730 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 22:54:51,739 INFO L748 eck$LassoCheckResult]: Stem: 24#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);~#s1~0.base, ~#s1~0.offset := 3, 0;call #Ultimate.allocInit(8, 3);call write~init~$Pointer$(~#s1~0.base, ~#s1~0.offset, ~#s1~0.base, ~#s1~0.offset, 4);call write~init~$Pointer$(~#s1~0.base, ~#s1~0.offset, ~#s1~0.base, 4 + ~#s1~0.offset, 4); 4#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_foo } true;havoc foo_#t~nondet32#1, foo_#t~ret33#1, foo_~j~0#1;havoc foo_#t~nondet32#1;foo_~j~0#1 := foo_#t~nondet32#1;havoc foo_#t~nondet32#1;assume { :begin_inline_ldv_set_add } true;ldv_set_add_#in~new#1, ldv_set_add_#in~s#1.base, ldv_set_add_#in~s#1.offset := foo_~j~0#1, ~#s1~0.base, ~#s1~0.offset;havoc ldv_set_add_#t~ret17#1, ldv_set_add_#t~ret18#1.base, ldv_set_add_#t~ret18#1.offset, ldv_set_add_~le~0#1.base, ldv_set_add_~le~0#1.offset, ldv_set_add_~new#1, ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset;ldv_set_add_~new#1 := ldv_set_add_#in~new#1;ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset := ldv_set_add_#in~s#1.base, ldv_set_add_#in~s#1.offset;assume { :begin_inline_ldv_is_in_set } true;ldv_is_in_set_#in~e#1, ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset := ldv_set_add_~new#1, ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset;havoc ldv_is_in_set_#res#1;havoc ldv_is_in_set_#t~mem26#1.base, ldv_is_in_set_#t~mem26#1.offset, ldv_is_in_set_#t~nondet27#1.base, ldv_is_in_set_#t~nondet27#1.offset, ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset, ldv_is_in_set_#t~mem30#1, ldv_is_in_set_#t~mem28#1.base, ldv_is_in_set_#t~mem28#1.offset, ldv_is_in_set_#t~nondet29#1.base, ldv_is_in_set_#t~nondet29#1.offset, ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset, ldv_is_in_set_~e#1, ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;ldv_is_in_set_~e#1 := ldv_is_in_set_#in~e#1;ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset := ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset;havoc ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;call ldv_is_in_set_#t~mem26#1.base, ldv_is_in_set_#t~mem26#1.offset := read~$Pointer$(ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, 4);ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset := ldv_is_in_set_#t~mem26#1.base, ldv_is_in_set_#t~mem26#1.offset;havoc ldv_is_in_set_#t~mem26#1.base, ldv_is_in_set_#t~mem26#1.offset;ldv_is_in_set_#t~nondet27#1.base, ldv_is_in_set_#t~nondet27#1.offset := ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset - 4;havoc ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_#t~nondet27#1.base, ldv_is_in_set_#t~nondet27#1.offset;havoc ldv_is_in_set_#t~nondet27#1.base, ldv_is_in_set_#t~nondet27#1.offset; 18#L652-3true [2023-11-06 22:54:51,739 INFO L750 eck$LassoCheckResult]: Loop: 18#L652-3true assume !!(ldv_is_in_set_~m~1#1.base != ldv_is_in_set_~s#1.base || 4 + ldv_is_in_set_~m~1#1.offset != ldv_is_in_set_~s#1.offset);call ldv_is_in_set_#t~mem30#1 := read~int(ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset, 4); 10#L653true assume !(ldv_is_in_set_#t~mem30#1 == ldv_is_in_set_~e#1);havoc ldv_is_in_set_#t~mem30#1; 7#L652-2true call ldv_is_in_set_#t~mem28#1.base, ldv_is_in_set_#t~mem28#1.offset := read~$Pointer$(ldv_is_in_set_~m~1#1.base, 4 + ldv_is_in_set_~m~1#1.offset, 4);ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset := ldv_is_in_set_#t~mem28#1.base, ldv_is_in_set_#t~mem28#1.offset;havoc ldv_is_in_set_#t~mem28#1.base, ldv_is_in_set_#t~mem28#1.offset;ldv_is_in_set_#t~nondet29#1.base, ldv_is_in_set_#t~nondet29#1.offset := ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset - 4;havoc ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_#t~nondet29#1.base, ldv_is_in_set_#t~nondet29#1.offset;havoc ldv_is_in_set_#t~nondet29#1.base, ldv_is_in_set_#t~nondet29#1.offset; 18#L652-3true [2023-11-06 22:54:51,751 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:51,752 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-06 22:54:51,764 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:51,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1844153581] [2023-11-06 22:54:51,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:51,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:51,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:54:51,879 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:54:51,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:54:51,957 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:54:51,962 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:51,962 INFO L85 PathProgramCache]: Analyzing trace with hash 39883, now seen corresponding path program 1 times [2023-11-06 22:54:51,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:51,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [914933948] [2023-11-06 22:54:51,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:51,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:54:51,998 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:54:52,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:54:52,019 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:54:52,025 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:52,026 INFO L85 PathProgramCache]: Analyzing trace with hash 28698825, now seen corresponding path program 1 times [2023-11-06 22:54:52,026 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:52,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [143375666] [2023-11-06 22:54:52,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:52,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:52,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:52,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:54:52,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:52,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [143375666] [2023-11-06 22:54:52,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [143375666] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:52,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:52,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:54:52,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1642212819] [2023-11-06 22:54:52,442 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:52,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:52,654 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:54:52,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:54:52,657 INFO L87 Difference]: Start difference. First operand has 26 states, 25 states have (on average 1.4) internal successors, (35), 25 states have internal predecessors, (35), 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 4 states, 4 states have (on average 1.25) internal successors, (5), 3 states have internal predecessors, (5), 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) [2023-11-06 22:54:52,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:52,805 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2023-11-06 22:54:52,806 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 35 transitions. [2023-11-06 22:54:52,808 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-06 22:54:52,812 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 15 states and 15 transitions. [2023-11-06 22:54:52,813 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2023-11-06 22:54:52,814 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2023-11-06 22:54:52,814 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 15 transitions. [2023-11-06 22:54:52,815 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:54:52,815 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 15 transitions. [2023-11-06 22:54:52,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 15 transitions. [2023-11-06 22:54:52,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-11-06 22:54:52,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.0) internal successors, (15), 14 states have internal predecessors, (15), 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) [2023-11-06 22:54:52,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2023-11-06 22:54:52,844 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 15 transitions. [2023-11-06 22:54:52,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 22:54:52,850 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 15 transitions. [2023-11-06 22:54:52,850 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-06 22:54:52,850 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 15 transitions. [2023-11-06 22:54:52,851 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-06 22:54:52,852 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 22:54:52,852 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 22:54:52,852 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:54:52,853 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 22:54:52,853 INFO L748 eck$LassoCheckResult]: Stem: 88#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(12, 2);~#s1~0.base, ~#s1~0.offset := 3, 0;call #Ultimate.allocInit(8, 3);call write~init~$Pointer$(~#s1~0.base, ~#s1~0.offset, ~#s1~0.base, ~#s1~0.offset, 4);call write~init~$Pointer$(~#s1~0.base, ~#s1~0.offset, ~#s1~0.base, 4 + ~#s1~0.offset, 4); 80#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;assume { :begin_inline_foo } true;havoc foo_#t~nondet32#1, foo_#t~ret33#1, foo_~j~0#1;havoc foo_#t~nondet32#1;foo_~j~0#1 := foo_#t~nondet32#1;havoc foo_#t~nondet32#1;assume { :begin_inline_ldv_set_add } true;ldv_set_add_#in~new#1, ldv_set_add_#in~s#1.base, ldv_set_add_#in~s#1.offset := foo_~j~0#1, ~#s1~0.base, ~#s1~0.offset;havoc ldv_set_add_#t~ret17#1, ldv_set_add_#t~ret18#1.base, ldv_set_add_#t~ret18#1.offset, ldv_set_add_~le~0#1.base, ldv_set_add_~le~0#1.offset, ldv_set_add_~new#1, ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset;ldv_set_add_~new#1 := ldv_set_add_#in~new#1;ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset := ldv_set_add_#in~s#1.base, ldv_set_add_#in~s#1.offset;assume { :begin_inline_ldv_is_in_set } true;ldv_is_in_set_#in~e#1, ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset := ldv_set_add_~new#1, ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset;havoc ldv_is_in_set_#res#1;havoc ldv_is_in_set_#t~mem26#1.base, ldv_is_in_set_#t~mem26#1.offset, ldv_is_in_set_#t~nondet27#1.base, ldv_is_in_set_#t~nondet27#1.offset, ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset, ldv_is_in_set_#t~mem30#1, ldv_is_in_set_#t~mem28#1.base, ldv_is_in_set_#t~mem28#1.offset, ldv_is_in_set_#t~nondet29#1.base, ldv_is_in_set_#t~nondet29#1.offset, ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset, ldv_is_in_set_~e#1, ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;ldv_is_in_set_~e#1 := ldv_is_in_set_#in~e#1;ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset := ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset;havoc ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;call ldv_is_in_set_#t~mem26#1.base, ldv_is_in_set_#t~mem26#1.offset := read~$Pointer$(ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, 4);ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset := ldv_is_in_set_#t~mem26#1.base, ldv_is_in_set_#t~mem26#1.offset;havoc ldv_is_in_set_#t~mem26#1.base, ldv_is_in_set_#t~mem26#1.offset;ldv_is_in_set_#t~nondet27#1.base, ldv_is_in_set_#t~nondet27#1.offset := ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset - 4;havoc ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_#t~nondet27#1.base, ldv_is_in_set_#t~nondet27#1.offset;havoc ldv_is_in_set_#t~nondet27#1.base, ldv_is_in_set_#t~nondet27#1.offset; 78#L652-3 assume !(ldv_is_in_set_~m~1#1.base != ldv_is_in_set_~s#1.base || 4 + ldv_is_in_set_~m~1#1.offset != ldv_is_in_set_~s#1.offset); 79#L652-4 ldv_is_in_set_#res#1 := 0; 82#ldv_is_in_set_returnLabel#1 ldv_set_add_#t~ret17#1 := ldv_is_in_set_#res#1;havoc ldv_is_in_set_#t~mem26#1.base, ldv_is_in_set_#t~mem26#1.offset, ldv_is_in_set_#t~nondet27#1.base, ldv_is_in_set_#t~nondet27#1.offset, ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset, ldv_is_in_set_#t~mem30#1, ldv_is_in_set_#t~mem28#1.base, ldv_is_in_set_#t~mem28#1.offset, ldv_is_in_set_#t~nondet29#1.base, ldv_is_in_set_#t~nondet29#1.offset, ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset, ldv_is_in_set_~e#1, ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;havoc ldv_is_in_set_#in~e#1, ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset;assume { :end_inline_ldv_is_in_set } true; 83#L633 assume 0 == ldv_set_add_#t~ret17#1;havoc ldv_set_add_#t~ret17#1;havoc ldv_set_add_~le~0#1.base, ldv_set_add_~le~0#1.offset;assume { :begin_inline_ldv_successful_malloc } true;ldv_successful_malloc_#in~size#1 := 12;havoc ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset;havoc ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset, ldv_successful_malloc_~size#1, ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset;ldv_successful_malloc_~size#1 := ldv_successful_malloc_#in~size#1;call ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset := #Ultimate.allocOnHeap(ldv_successful_malloc_~size#1 % 4294967296);ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset := ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset;havoc ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ldv_successful_malloc_~ptr~0#1.base != 0 || ldv_successful_malloc_~ptr~0#1.offset != 0 then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 74#L565 assume !(0 == assume_abort_if_not_~cond#1); 75#L564 havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset := ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset; 87#ldv_successful_malloc_returnLabel#1 ldv_set_add_#t~ret18#1.base, ldv_set_add_#t~ret18#1.offset := ldv_successful_malloc_#res#1.base, ldv_successful_malloc_#res#1.offset;havoc ldv_successful_malloc_#t~malloc5#1.base, ldv_successful_malloc_#t~malloc5#1.offset, ldv_successful_malloc_~size#1, ldv_successful_malloc_~ptr~0#1.base, ldv_successful_malloc_~ptr~0#1.offset;havoc ldv_successful_malloc_#in~size#1;assume { :end_inline_ldv_successful_malloc } true;ldv_set_add_~le~0#1.base, ldv_set_add_~le~0#1.offset := ldv_set_add_#t~ret18#1.base, ldv_set_add_#t~ret18#1.offset;havoc ldv_set_add_#t~ret18#1.base, ldv_set_add_#t~ret18#1.offset;call write~int(ldv_set_add_~new#1, ldv_set_add_~le~0#1.base, ldv_set_add_~le~0#1.offset, 4);assume { :begin_inline_ldv_list_add } true;ldv_list_add_#in~new#1.base, ldv_list_add_#in~new#1.offset, ldv_list_add_#in~head#1.base, ldv_list_add_#in~head#1.offset := ldv_set_add_~le~0#1.base, 4 + ldv_set_add_~le~0#1.offset, ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset;havoc ldv_list_add_#t~mem6#1.base, ldv_list_add_#t~mem6#1.offset, ldv_list_add_~new#1.base, ldv_list_add_~new#1.offset, ldv_list_add_~head#1.base, ldv_list_add_~head#1.offset;ldv_list_add_~new#1.base, ldv_list_add_~new#1.offset := ldv_list_add_#in~new#1.base, ldv_list_add_#in~new#1.offset;ldv_list_add_~head#1.base, ldv_list_add_~head#1.offset := ldv_list_add_#in~head#1.base, ldv_list_add_#in~head#1.offset;call ldv_list_add_#t~mem6#1.base, ldv_list_add_#t~mem6#1.offset := read~$Pointer$(ldv_list_add_~head#1.base, ldv_list_add_~head#1.offset, 4);assume { :begin_inline___ldv_list_add } true;__ldv_list_add_#in~new#1.base, __ldv_list_add_#in~new#1.offset, __ldv_list_add_#in~prev#1.base, __ldv_list_add_#in~prev#1.offset, __ldv_list_add_#in~next#1.base, __ldv_list_add_#in~next#1.offset := ldv_list_add_~new#1.base, ldv_list_add_~new#1.offset, ldv_list_add_~head#1.base, ldv_list_add_~head#1.offset, ldv_list_add_#t~mem6#1.base, ldv_list_add_#t~mem6#1.offset;havoc __ldv_list_add_~new#1.base, __ldv_list_add_~new#1.offset, __ldv_list_add_~prev#1.base, __ldv_list_add_~prev#1.offset, __ldv_list_add_~next#1.base, __ldv_list_add_~next#1.offset;__ldv_list_add_~new#1.base, __ldv_list_add_~new#1.offset := __ldv_list_add_#in~new#1.base, __ldv_list_add_#in~new#1.offset;__ldv_list_add_~prev#1.base, __ldv_list_add_~prev#1.offset := __ldv_list_add_#in~prev#1.base, __ldv_list_add_#in~prev#1.offset;__ldv_list_add_~next#1.base, __ldv_list_add_~next#1.offset := __ldv_list_add_#in~next#1.base, __ldv_list_add_#in~next#1.offset;call write~$Pointer$(__ldv_list_add_~new#1.base, __ldv_list_add_~new#1.offset, __ldv_list_add_~next#1.base, 4 + __ldv_list_add_~next#1.offset, 4);call write~$Pointer$(__ldv_list_add_~next#1.base, __ldv_list_add_~next#1.offset, __ldv_list_add_~new#1.base, __ldv_list_add_~new#1.offset, 4);call write~$Pointer$(__ldv_list_add_~prev#1.base, __ldv_list_add_~prev#1.offset, __ldv_list_add_~new#1.base, 4 + __ldv_list_add_~new#1.offset, 4);call write~$Pointer$(__ldv_list_add_~new#1.base, __ldv_list_add_~new#1.offset, __ldv_list_add_~prev#1.base, __ldv_list_add_~prev#1.offset, 4); 85#L589 havoc __ldv_list_add_~new#1.base, __ldv_list_add_~new#1.offset, __ldv_list_add_~prev#1.base, __ldv_list_add_~prev#1.offset, __ldv_list_add_~next#1.base, __ldv_list_add_~next#1.offset;havoc __ldv_list_add_#in~new#1.base, __ldv_list_add_#in~new#1.offset, __ldv_list_add_#in~prev#1.base, __ldv_list_add_#in~prev#1.offset, __ldv_list_add_#in~next#1.base, __ldv_list_add_#in~next#1.offset;assume { :end_inline___ldv_list_add } true;havoc ldv_list_add_#t~mem6#1.base, ldv_list_add_#t~mem6#1.offset; 86#L603 havoc ldv_list_add_#t~mem6#1.base, ldv_list_add_#t~mem6#1.offset, ldv_list_add_~new#1.base, ldv_list_add_~new#1.offset, ldv_list_add_~head#1.base, ldv_list_add_~head#1.offset;havoc ldv_list_add_#in~new#1.base, ldv_list_add_#in~new#1.offset, ldv_list_add_#in~head#1.base, ldv_list_add_#in~head#1.offset;assume { :end_inline_ldv_list_add } true;havoc ldv_set_add_~le~0#1.base, ldv_set_add_~le~0#1.offset; 84#L632 havoc ldv_set_add_#t~ret17#1, ldv_set_add_#t~ret18#1.base, ldv_set_add_#t~ret18#1.offset, ldv_set_add_~le~0#1.base, ldv_set_add_~le~0#1.offset, ldv_set_add_~new#1, ldv_set_add_~s#1.base, ldv_set_add_~s#1.offset;havoc ldv_set_add_#in~new#1, ldv_set_add_#in~s#1.base, ldv_set_add_#in~s#1.offset;assume { :end_inline_ldv_set_add } true;assume { :begin_inline_ldv_is_in_set } true;ldv_is_in_set_#in~e#1, ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset := foo_~j~0#1, ~#s1~0.base, ~#s1~0.offset;havoc ldv_is_in_set_#res#1;havoc ldv_is_in_set_#t~mem26#1.base, ldv_is_in_set_#t~mem26#1.offset, ldv_is_in_set_#t~nondet27#1.base, ldv_is_in_set_#t~nondet27#1.offset, ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset, ldv_is_in_set_#t~mem30#1, ldv_is_in_set_#t~mem28#1.base, ldv_is_in_set_#t~mem28#1.offset, ldv_is_in_set_#t~nondet29#1.base, ldv_is_in_set_#t~nondet29#1.offset, ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset, ldv_is_in_set_~e#1, ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;ldv_is_in_set_~e#1 := ldv_is_in_set_#in~e#1;ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset := ldv_is_in_set_#in~s#1.base, ldv_is_in_set_#in~s#1.offset;havoc ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset;call ldv_is_in_set_#t~mem26#1.base, ldv_is_in_set_#t~mem26#1.offset := read~$Pointer$(ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, 4);ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset := ldv_is_in_set_#t~mem26#1.base, ldv_is_in_set_#t~mem26#1.offset;havoc ldv_is_in_set_#t~mem26#1.base, ldv_is_in_set_#t~mem26#1.offset;ldv_is_in_set_#t~nondet27#1.base, ldv_is_in_set_#t~nondet27#1.offset := ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset - 4;havoc ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_#t~nondet27#1.base, ldv_is_in_set_#t~nondet27#1.offset;havoc ldv_is_in_set_#t~nondet27#1.base, ldv_is_in_set_#t~nondet27#1.offset; 81#L652-8 [2023-11-06 22:54:52,854 INFO L750 eck$LassoCheckResult]: Loop: 81#L652-8 assume !!(ldv_is_in_set_~m~1#1.base != ldv_is_in_set_~s#1.base || 4 + ldv_is_in_set_~m~1#1.offset != ldv_is_in_set_~s#1.offset);call ldv_is_in_set_#t~mem30#1 := read~int(ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset, 4); 76#L653-1 assume !(ldv_is_in_set_#t~mem30#1 == ldv_is_in_set_~e#1);havoc ldv_is_in_set_#t~mem30#1; 77#L652-7 call ldv_is_in_set_#t~mem28#1.base, ldv_is_in_set_#t~mem28#1.offset := read~$Pointer$(ldv_is_in_set_~m~1#1.base, 4 + ldv_is_in_set_~m~1#1.offset, 4);ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset := ldv_is_in_set_#t~mem28#1.base, ldv_is_in_set_#t~mem28#1.offset;havoc ldv_is_in_set_#t~mem28#1.base, ldv_is_in_set_#t~mem28#1.offset;ldv_is_in_set_#t~nondet29#1.base, ldv_is_in_set_#t~nondet29#1.offset := ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset - 4;havoc ldv_is_in_set_~__mptr~4#1.base, ldv_is_in_set_~__mptr~4#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_#t~nondet29#1.base, ldv_is_in_set_#t~nondet29#1.offset;havoc ldv_is_in_set_#t~nondet29#1.base, ldv_is_in_set_#t~nondet29#1.offset; 81#L652-8 [2023-11-06 22:54:52,855 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:52,855 INFO L85 PathProgramCache]: Analyzing trace with hash -812001189, now seen corresponding path program 1 times [2023-11-06 22:54:52,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:52,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895248129] [2023-11-06 22:54:52,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:52,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:54:52,941 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:54:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:54:53,022 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:54:53,023 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:53,023 INFO L85 PathProgramCache]: Analyzing trace with hash 80596, now seen corresponding path program 1 times [2023-11-06 22:54:53,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:53,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199101876] [2023-11-06 22:54:53,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:53,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:53,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:54:53,041 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 22:54:53,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 22:54:53,055 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 22:54:53,059 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:54:53,059 INFO L85 PathProgramCache]: Analyzing trace with hash -1071559622, now seen corresponding path program 1 times [2023-11-06 22:54:53,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:54:53,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424148543] [2023-11-06 22:54:53,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:54:53,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:54:53,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:54:55,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:54:55,447 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:54:55,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424148543] [2023-11-06 22:54:55,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424148543] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:54:55,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:54:55,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-06 22:54:55,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [452046341] [2023-11-06 22:54:55,448 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:54:55,563 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:54:55,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:54:55,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:54:55,565 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. cyclomatic complexity: 1 Second operand has 10 states, 10 states have (on average 1.5) internal successors, (15), 9 states have internal predecessors, (15), 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) [2023-11-06 22:54:55,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:54:55,899 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2023-11-06 22:54:55,899 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 13 transitions. [2023-11-06 22:54:55,900 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 22:54:55,900 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2023-11-06 22:54:55,900 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-06 22:54:55,901 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-06 22:54:55,901 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-06 22:54:55,901 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:54:55,901 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:54:55,901 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:54:55,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-06 22:54:55,903 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 22:54:55,903 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-06 22:54:55,903 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-06 22:54:55,903 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 22:54:55,903 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-06 22:54:55,911 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.11 10:54:55 BoogieIcfgContainer [2023-11-06 22:54:55,911 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-06 22:54:55,912 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:54:55,912 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:54:55,912 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:54:55,913 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:54:51" (3/4) ... [2023-11-06 22:54:55,915 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 22:54:55,916 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:54:55,917 INFO L158 Benchmark]: Toolchain (without parser) took 5607.89ms. Allocated memory was 151.0MB in the beginning and 243.3MB in the end (delta: 92.3MB). Free memory was 102.6MB in the beginning and 179.7MB in the end (delta: -77.1MB). Peak memory consumption was 15.6MB. Max. memory is 16.1GB. [2023-11-06 22:54:55,918 INFO L158 Benchmark]: CDTParser took 0.60ms. Allocated memory is still 151.0MB. Free memory was 96.9MB in the beginning and 96.8MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:54:55,919 INFO L158 Benchmark]: CACSL2BoogieTranslator took 638.85ms. Allocated memory is still 151.0MB. Free memory was 102.2MB in the beginning and 83.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-06 22:54:55,919 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.68ms. Allocated memory is still 151.0MB. Free memory was 83.3MB in the beginning and 81.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:54:55,920 INFO L158 Benchmark]: Boogie Preprocessor took 42.22ms. Allocated memory is still 151.0MB. Free memory was 81.1MB in the beginning and 79.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:54:55,921 INFO L158 Benchmark]: RCFGBuilder took 544.61ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 79.1MB in the beginning and 160.8MB in the end (delta: -81.7MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. [2023-11-06 22:54:55,921 INFO L158 Benchmark]: BuchiAutomizer took 4313.69ms. Allocated memory was 201.3MB in the beginning and 243.3MB in the end (delta: 41.9MB). Free memory was 159.8MB in the beginning and 180.7MB in the end (delta: -20.9MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. [2023-11-06 22:54:55,922 INFO L158 Benchmark]: Witness Printer took 4.34ms. Allocated memory is still 243.3MB. Free memory was 180.7MB in the beginning and 179.7MB in the end (delta: 996.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:54:55,925 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.60ms. Allocated memory is still 151.0MB. Free memory was 96.9MB in the beginning and 96.8MB in the end (delta: 139.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 638.85ms. Allocated memory is still 151.0MB. Free memory was 102.2MB in the beginning and 83.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 57.68ms. Allocated memory is still 151.0MB. Free memory was 83.3MB in the beginning and 81.1MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 42.22ms. Allocated memory is still 151.0MB. Free memory was 81.1MB in the beginning and 79.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 544.61ms. Allocated memory was 151.0MB in the beginning and 201.3MB in the end (delta: 50.3MB). Free memory was 79.1MB in the beginning and 160.8MB in the end (delta: -81.7MB). Peak memory consumption was 12.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 4313.69ms. Allocated memory was 201.3MB in the beginning and 243.3MB in the end (delta: 41.9MB). Free memory was 159.8MB in the beginning and 180.7MB in the end (delta: -20.9MB). Peak memory consumption was 22.0MB. Max. memory is 16.1GB. * Witness Printer took 4.34ms. Allocated memory is still 243.3MB. Free memory was 180.7MB in the beginning and 179.7MB in the end (delta: 996.9kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic). 2 modules have a trivial ranking function, the largest among these consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.2s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.5s. Construction of modules took 0.2s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 45 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 45 mSDsluCounter, 73 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 47 mSDsCounter, 8 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 53 IncrementalHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 8 mSolverCounterUnsat, 26 mSDtfsCounter, 53 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc2 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-06 22:54:55,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d71763b0-2009-4456-8ef5-4c86864a5c5a/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (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