./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-sets/test_add-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a974169d-e099-4314-b60f-570979923f82/bin/uautomizer-verify-uTZkv6EMXl/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a974169d-e099-4314-b60f-570979923f82/bin/uautomizer-verify-uTZkv6EMXl/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a974169d-e099-4314-b60f-570979923f82/bin/uautomizer-verify-uTZkv6EMXl/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a974169d-e099-4314-b60f-570979923f82/bin/uautomizer-verify-uTZkv6EMXl/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-sets/test_add-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a974169d-e099-4314-b60f-570979923f82/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a974169d-e099-4314-b60f-570979923f82/bin/uautomizer-verify-uTZkv6EMXl --witnessprinter.witness.filename witness --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 ed7fc1ee8e8624c54bbfaff1033820d20aa5fb88ac8eae06fb8e7107f72c3762 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 02:26:26,817 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 02:26:26,954 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a974169d-e099-4314-b60f-570979923f82/bin/uautomizer-verify-uTZkv6EMXl/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-12 02:26:26,961 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 02:26:26,962 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 02:26:26,995 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 02:26:26,996 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 02:26:26,997 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 02:26:26,998 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-12 02:26:26,999 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-12 02:26:26,999 INFO L153 SettingsManager]: * Use SBE=true [2023-11-12 02:26:27,000 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-12 02:26:27,001 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-12 02:26:27,002 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-12 02:26:27,003 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-12 02:26:27,003 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-12 02:26:27,004 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-12 02:26:27,005 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 02:26:27,006 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-12 02:26:27,007 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 02:26:27,007 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 02:26:27,012 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 02:26:27,013 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 02:26:27,015 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-12 02:26:27,016 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-12 02:26:27,017 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-12 02:26:27,017 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 02:26:27,018 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 02:26:27,018 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 02:26:27,019 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-12 02:26:27,020 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 02:26:27,021 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 02:26:27,022 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 02:26:27,022 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 02:26:27,022 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-12 02:26:27,023 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-12 02:26:27,024 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_a974169d-e099-4314-b60f-570979923f82/bin/uautomizer-verify-uTZkv6EMXl/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a974169d-e099-4314-b60f-570979923f82/bin/uautomizer-verify-uTZkv6EMXl Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed7fc1ee8e8624c54bbfaff1033820d20aa5fb88ac8eae06fb8e7107f72c3762 [2023-11-12 02:26:27,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 02:26:27,424 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 02:26:27,427 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 02:26:27,429 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 02:26:27,430 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 02:26:27,432 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a974169d-e099-4314-b60f-570979923f82/bin/uautomizer-verify-uTZkv6EMXl/../../sv-benchmarks/c/ldv-sets/test_add-1.i [2023-11-12 02:26:30,860 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 02:26:31,170 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 02:26:31,171 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a974169d-e099-4314-b60f-570979923f82/sv-benchmarks/c/ldv-sets/test_add-1.i [2023-11-12 02:26:31,193 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a974169d-e099-4314-b60f-570979923f82/bin/uautomizer-verify-uTZkv6EMXl/data/72dba81ea/03e6d75565dc46efbd39473fcdbdf7f9/FLAG332bfba04 [2023-11-12 02:26:31,218 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a974169d-e099-4314-b60f-570979923f82/bin/uautomizer-verify-uTZkv6EMXl/data/72dba81ea/03e6d75565dc46efbd39473fcdbdf7f9 [2023-11-12 02:26:31,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 02:26:31,223 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 02:26:31,225 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 02:26:31,225 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 02:26:31,231 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 02:26:31,232 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:26:31" (1/1) ... [2023-11-12 02:26:31,234 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74712d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:31, skipping insertion in model container [2023-11-12 02:26:31,234 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 02:26:31" (1/1) ... [2023-11-12 02:26:31,318 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 02:26:31,680 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:26:31,695 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 02:26:31,801 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 02:26:31,860 INFO L206 MainTranslator]: Completed translation [2023-11-12 02:26:31,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:31 WrapperNode [2023-11-12 02:26:31,861 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 02:26:31,863 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 02:26:31,863 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 02:26:31,863 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 02:26:31,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:31" (1/1) ... [2023-11-12 02:26:31,911 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:31" (1/1) ... [2023-11-12 02:26:31,941 INFO L138 Inliner]: procedures = 135, calls = 47, calls flagged for inlining = 16, calls inlined = 11, statements flattened = 121 [2023-11-12 02:26:31,942 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 02:26:31,943 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 02:26:31,943 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 02:26:31,943 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 02:26:31,953 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:31" (1/1) ... [2023-11-12 02:26:31,954 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:31" (1/1) ... [2023-11-12 02:26:31,958 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:31" (1/1) ... [2023-11-12 02:26:31,958 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:31" (1/1) ... [2023-11-12 02:26:31,967 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:31" (1/1) ... [2023-11-12 02:26:31,971 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:31" (1/1) ... [2023-11-12 02:26:31,973 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:31" (1/1) ... [2023-11-12 02:26:31,975 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:31" (1/1) ... [2023-11-12 02:26:31,978 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 02:26:31,979 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 02:26:31,979 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 02:26:31,980 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 02:26:31,980 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:31" (1/1) ... [2023-11-12 02:26:31,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-12 02:26:32,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a974169d-e099-4314-b60f-570979923f82/bin/uautomizer-verify-uTZkv6EMXl/z3 [2023-11-12 02:26:32,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a974169d-e099-4314-b60f-570979923f82/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-12 02:26:32,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a974169d-e099-4314-b60f-570979923f82/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-12 02:26:32,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 02:26:32,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 02:26:32,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 02:26:32,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 02:26:32,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-12 02:26:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-12 02:26:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-12 02:26:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 02:26:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 02:26:32,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 02:26:32,219 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 02:26:32,221 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 02:26:32,572 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 02:26:32,579 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 02:26:32,580 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-12 02:26:32,582 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:26:32 BoogieIcfgContainer [2023-11-12 02:26:32,582 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 02:26:32,584 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-12 02:26:32,584 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-12 02:26:32,588 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-12 02:26:32,590 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:26:32,590 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 12.11 02:26:31" (1/3) ... [2023-11-12 02:26:32,591 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@12843a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:26:32, skipping insertion in model container [2023-11-12 02:26:32,592 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:26:32,592 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 02:26:31" (2/3) ... [2023-11-12 02:26:32,592 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@12843a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 12.11 02:26:32, skipping insertion in model container [2023-11-12 02:26:32,593 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-12 02:26:32,593 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:26:32" (3/3) ... [2023-11-12 02:26:32,595 INFO L332 chiAutomizerObserver]: Analyzing ICFG test_add-1.i [2023-11-12 02:26:32,653 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-12 02:26:32,653 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-12 02:26:32,653 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-12 02:26:32,653 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-12 02:26:32,654 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-12 02:26:32,654 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-12 02:26:32,654 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-12 02:26:32,654 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-12 02:26:32,658 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) [2023-11-12 02:26:32,675 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-12 02:26:32,675 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:26:32,676 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:26:32,683 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-12 02:26:32,683 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-12 02:26:32,683 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-12 02:26:32,684 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) [2023-11-12 02:26:32,687 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-12 02:26:32,687 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:26:32,687 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:26:32,688 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-12 02:26:32,688 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-12 02:26:32,697 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 [2023-11-12 02:26:32,697 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 [2023-11-12 02:26:32,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:26:32,704 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-12 02:26:32,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:26:32,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050862388] [2023-11-12 02:26:32,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:26:32,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:26:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:26:32,838 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:26:32,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:26:32,902 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:26:32,908 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:26:32,908 INFO L85 PathProgramCache]: Analyzing trace with hash 39883, now seen corresponding path program 1 times [2023-11-12 02:26:32,909 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:26:32,909 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871851385] [2023-11-12 02:26:32,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:26:32,909 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:26:32,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:26:32,941 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:26:32,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:26:32,966 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:26:32,968 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:26:32,971 INFO L85 PathProgramCache]: Analyzing trace with hash 28698825, now seen corresponding path program 1 times [2023-11-12 02:26:32,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:26:32,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538903042] [2023-11-12 02:26:32,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:26:32,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:26:32,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:33,344 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:26:33,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:26:33,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538903042] [2023-11-12 02:26:33,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538903042] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:26:33,346 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:26:33,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-12 02:26:33,346 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26651841] [2023-11-12 02:26:33,347 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:26:33,494 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:26:33,527 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 02:26:33,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 02:26:33,530 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) [2023-11-12 02:26:33,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:26:33,689 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2023-11-12 02:26:33,691 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 35 transitions. [2023-11-12 02:26:33,693 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-12 02:26:33,701 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 15 states and 15 transitions. [2023-11-12 02:26:33,703 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2023-11-12 02:26:33,703 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2023-11-12 02:26:33,704 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 15 transitions. [2023-11-12 02:26:33,704 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:26:33,705 INFO L218 hiAutomatonCegarLoop]: Abstraction has 15 states and 15 transitions. [2023-11-12 02:26:33,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 15 transitions. [2023-11-12 02:26:33,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2023-11-12 02:26:33,734 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) [2023-11-12 02:26:33,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2023-11-12 02:26:33,737 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 15 transitions. [2023-11-12 02:26:33,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 02:26:33,742 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 15 transitions. [2023-11-12 02:26:33,742 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-12 02:26:33,743 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 15 transitions. [2023-11-12 02:26:33,744 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-12 02:26:33,744 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-12 02:26:33,744 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-12 02:26:33,745 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 02:26:33,745 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-12 02:26:33,746 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$(ldv_is_in_set_~s#1.base, ldv_is_in_set_~s#1.offset, 4);ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset := ldv_is_in_set_#t~mem26#1.base, ldv_is_in_set_#t~mem26#1.offset;havoc ldv_is_in_set_#t~mem26#1.base, ldv_is_in_set_#t~mem26#1.offset;ldv_is_in_set_#t~nondet27#1.base, ldv_is_in_set_#t~nondet27#1.offset := ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset - 4;havoc ldv_is_in_set_~__mptr~3#1.base, ldv_is_in_set_~__mptr~3#1.offset;ldv_is_in_set_~m~1#1.base, ldv_is_in_set_~m~1#1.offset := ldv_is_in_set_#t~nondet27#1.base, ldv_is_in_set_#t~nondet27#1.offset;havoc ldv_is_in_set_#t~nondet27#1.base, ldv_is_in_set_#t~nondet27#1.offset; 81#L652-8 [2023-11-12 02:26:33,746 INFO L750 eck$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 [2023-11-12 02:26:33,747 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:26:33,747 INFO L85 PathProgramCache]: Analyzing trace with hash -812001189, now seen corresponding path program 1 times [2023-11-12 02:26:33,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:26:33,747 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013903877] [2023-11-12 02:26:33,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:26:33,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:26:33,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:26:33,947 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:26:34,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:26:34,045 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:26:34,046 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:26:34,046 INFO L85 PathProgramCache]: Analyzing trace with hash 80596, now seen corresponding path program 1 times [2023-11-12 02:26:34,046 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:26:34,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262661195] [2023-11-12 02:26:34,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:26:34,047 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:26:34,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:26:34,058 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 02:26:34,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 02:26:34,073 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-12 02:26:34,074 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 02:26:34,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1071559622, now seen corresponding path program 1 times [2023-11-12 02:26:34,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-12 02:26:34,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973919100] [2023-11-12 02:26:34,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 02:26:34,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 02:26:34,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 02:26:36,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 02:26:36,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-12 02:26:36,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973919100] [2023-11-12 02:26:36,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1973919100] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 02:26:36,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 02:26:36,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-12 02:26:36,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170486068] [2023-11-12 02:26:36,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 02:26:36,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-12 02:26:36,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-12 02:26:36,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-12 02:26:36,578 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) [2023-11-12 02:26:36,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 02:26:36,907 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2023-11-12 02:26:36,907 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 13 transitions. [2023-11-12 02:26:36,908 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-12 02:26:36,908 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2023-11-12 02:26:36,908 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-12 02:26:36,908 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-12 02:26:36,908 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-12 02:26:36,908 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-12 02:26:36,909 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:26:36,909 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:26:36,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-12 02:26:36,910 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 02:26:36,910 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-12 02:26:36,910 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-12 02:26:36,910 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-12 02:26:36,910 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-12 02:26:36,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 12.11 02:26:36 BoogieIcfgContainer [2023-11-12 02:26:36,920 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-12 02:26:36,920 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 02:26:36,921 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 02:26:36,921 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 02:26:36,921 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 02:26:32" (3/4) ... [2023-11-12 02:26:36,923 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 02:26:36,925 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 02:26:36,926 INFO L158 Benchmark]: Toolchain (without parser) took 5702.46ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 106.0MB in the beginning and 79.8MB in the end (delta: 26.2MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB. [2023-11-12 02:26:36,927 INFO L158 Benchmark]: CDTParser took 0.75ms. Allocated memory is still 107.0MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:26:36,932 INFO L158 Benchmark]: CACSL2BoogieTranslator took 636.78ms. Allocated memory is still 153.1MB. Free memory was 105.6MB in the beginning and 86.9MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-12 02:26:36,933 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.67ms. Allocated memory is still 153.1MB. Free memory was 86.9MB in the beginning and 84.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:26:36,935 INFO L158 Benchmark]: Boogie Preprocessor took 35.67ms. Allocated memory is still 153.1MB. Free memory was 84.6MB in the beginning and 82.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 02:26:36,936 INFO L158 Benchmark]: RCFGBuilder took 603.42ms. Allocated memory is still 153.1MB. Free memory was 82.5MB in the beginning and 116.0MB in the end (delta: -33.5MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2023-11-12 02:26:36,936 INFO L158 Benchmark]: BuchiAutomizer took 4336.41ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 116.0MB in the beginning and 79.8MB in the end (delta: 36.3MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. [2023-11-12 02:26:36,937 INFO L158 Benchmark]: Witness Printer took 4.28ms. Allocated memory is still 184.5MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 02:26:36,944 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75ms. Allocated memory is still 107.0MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 636.78ms. Allocated memory is still 153.1MB. Free memory was 105.6MB in the beginning and 86.9MB in the end (delta: 18.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.67ms. Allocated memory is still 153.1MB. Free memory was 86.9MB in the beginning and 84.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.67ms. Allocated memory is still 153.1MB. Free memory was 84.6MB in the beginning and 82.9MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 603.42ms. Allocated memory is still 153.1MB. Free memory was 82.5MB in the beginning and 116.0MB in the end (delta: -33.5MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * BuchiAutomizer took 4336.41ms. Allocated memory was 153.1MB in the beginning and 184.5MB in the end (delta: 31.5MB). Free memory was 116.0MB in the beginning and 79.8MB in the end (delta: 36.3MB). Peak memory consumption was 68.2MB. Max. memory is 16.1GB. * Witness Printer took 4.28ms. Allocated memory is still 184.5MB. Free memory is still 79.8MB. 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 3.6s. 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! [2023-11-12 02:26:36,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a974169d-e099-4314-b60f-570979923f82/bin/uautomizer-verify-uTZkv6EMXl/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE