./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/float-benchs/zonotope_3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff 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_aeece9c6-d3aa-49ab-9332-1f3d6321c2ba/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeece9c6-d3aa-49ab-9332-1f3d6321c2ba/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeece9c6-d3aa-49ab-9332-1f3d6321c2ba/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeece9c6-d3aa-49ab-9332-1f3d6321c2ba/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/float-benchs/zonotope_3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeece9c6-d3aa-49ab-9332-1f3d6321c2ba/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeece9c6-d3aa-49ab-9332-1f3d6321c2ba/bin/uautomizer-verify-uCwYo4JHxu --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 c1619194307da84227512f62eb582bffd66266544ce804bd80ee6a40fe157ac7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 08:05:12,867 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 08:05:12,970 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeece9c6-d3aa-49ab-9332-1f3d6321c2ba/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-19 08:05:12,977 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 08:05:12,978 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 08:05:13,015 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 08:05:13,016 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 08:05:13,017 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 08:05:13,018 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 08:05:13,023 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 08:05:13,024 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 08:05:13,025 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 08:05:13,025 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 08:05:13,027 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 08:05:13,027 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 08:05:13,028 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 08:05:13,028 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 08:05:13,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 08:05:13,030 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 08:05:13,030 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 08:05:13,031 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 08:05:13,031 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 08:05:13,032 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 08:05:13,032 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 08:05:13,033 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 08:05:13,033 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 08:05:13,034 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 08:05:13,034 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 08:05:13,035 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 08:05:13,035 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 08:05:13,036 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 08:05:13,037 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 08:05:13,037 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 08:05:13,038 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 08:05:13,038 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 08:05:13,038 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 08:05:13,039 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_aeece9c6-d3aa-49ab-9332-1f3d6321c2ba/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeece9c6-d3aa-49ab-9332-1f3d6321c2ba/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1619194307da84227512f62eb582bffd66266544ce804bd80ee6a40fe157ac7 [2023-11-19 08:05:13,365 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 08:05:13,398 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 08:05:13,401 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 08:05:13,402 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 08:05:13,403 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 08:05:13,405 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeece9c6-d3aa-49ab-9332-1f3d6321c2ba/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/float-benchs/zonotope_3.c [2023-11-19 08:05:16,576 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 08:05:16,765 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 08:05:16,766 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeece9c6-d3aa-49ab-9332-1f3d6321c2ba/sv-benchmarks/c/float-benchs/zonotope_3.c [2023-11-19 08:05:16,774 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeece9c6-d3aa-49ab-9332-1f3d6321c2ba/bin/uautomizer-verify-uCwYo4JHxu/data/67d7287eb/2ec858c791b241ccad09e017a57f9bae/FLAG4b93da1ea [2023-11-19 08:05:16,789 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeece9c6-d3aa-49ab-9332-1f3d6321c2ba/bin/uautomizer-verify-uCwYo4JHxu/data/67d7287eb/2ec858c791b241ccad09e017a57f9bae [2023-11-19 08:05:16,792 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 08:05:16,794 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 08:05:16,795 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 08:05:16,795 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 08:05:16,801 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 08:05:16,802 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:16" (1/1) ... [2023-11-19 08:05:16,803 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42beb559 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:16, skipping insertion in model container [2023-11-19 08:05:16,803 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:05:16" (1/1) ... [2023-11-19 08:05:16,825 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 08:05:16,996 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:05:17,007 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 08:05:17,025 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 08:05:17,042 INFO L206 MainTranslator]: Completed translation [2023-11-19 08:05:17,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:17 WrapperNode [2023-11-19 08:05:17,043 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 08:05:17,044 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 08:05:17,044 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 08:05:17,044 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 08:05:17,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:17" (1/1) ... [2023-11-19 08:05:17,061 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:17" (1/1) ... [2023-11-19 08:05:17,083 INFO L138 Inliner]: procedures = 16, calls = 18, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 90 [2023-11-19 08:05:17,084 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 08:05:17,085 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 08:05:17,085 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 08:05:17,085 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 08:05:17,095 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:17" (1/1) ... [2023-11-19 08:05:17,096 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:17" (1/1) ... [2023-11-19 08:05:17,098 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:17" (1/1) ... [2023-11-19 08:05:17,098 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:17" (1/1) ... [2023-11-19 08:05:17,104 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:17" (1/1) ... [2023-11-19 08:05:17,108 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:17" (1/1) ... [2023-11-19 08:05:17,109 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:17" (1/1) ... [2023-11-19 08:05:17,111 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:17" (1/1) ... [2023-11-19 08:05:17,113 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 08:05:17,115 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 08:05:17,116 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 08:05:17,116 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 08:05:17,117 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:17" (1/1) ... [2023-11-19 08:05:17,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:05:17,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeece9c6-d3aa-49ab-9332-1f3d6321c2ba/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:17,156 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeece9c6-d3aa-49ab-9332-1f3d6321c2ba/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:17,166 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeece9c6-d3aa-49ab-9332-1f3d6321c2ba/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 08:05:17,198 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 08:05:17,198 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 08:05:17,198 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 08:05:17,199 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 08:05:17,268 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 08:05:17,270 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 08:05:17,435 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 08:05:17,443 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 08:05:17,443 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 08:05:17,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:17 BoogieIcfgContainer [2023-11-19 08:05:17,447 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 08:05:17,448 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 08:05:17,448 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 08:05:17,453 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 08:05:17,453 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 08:05:17,454 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 08:05:16" (1/3) ... [2023-11-19 08:05:17,455 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4da4c1e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:05:17, skipping insertion in model container [2023-11-19 08:05:17,455 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 08:05:17,455 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:05:17" (2/3) ... [2023-11-19 08:05:17,456 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4da4c1e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 08:05:17, skipping insertion in model container [2023-11-19 08:05:17,456 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 08:05:17,456 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:17" (3/3) ... [2023-11-19 08:05:17,457 INFO L332 chiAutomizerObserver]: Analyzing ICFG zonotope_3.c [2023-11-19 08:05:17,569 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 08:05:17,569 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 08:05:17,569 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 08:05:17,569 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 08:05:17,570 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 08:05:17,570 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 08:05:17,570 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 08:05:17,570 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 08:05:17,576 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 21 states have internal predecessors, (25), 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) [2023-11-19 08:05:17,601 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-19 08:05:17,602 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:05:17,602 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:05:17,609 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-19 08:05:17,609 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:17,610 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 08:05:17,611 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 22 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 21 states have internal predecessors, (25), 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) [2023-11-19 08:05:17,618 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-19 08:05:17,618 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:05:17,619 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:05:17,619 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-19 08:05:17,620 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:17,630 INFO L748 eck$LassoCheckResult]: Stem: 18#$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(13, 2);call #Ultimate.allocInit(12, 3); 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_#t~ret5#1, main_#t~ret6#1, main_#t~ret7#1, main_#t~nondet9#1, main_#t~ret10#1, main_#t~ret11#1, main_#t~ret12#1, main_#t~ret13#1, main_#t~post8#1, main_~i~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1, main_~t~0#1, main_~u~0#1, main_~v~0#1;havoc main_~i~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_~t~0#1;havoc main_~u~0#1;havoc main_~v~0#1;assume { :begin_inline_f } true;f_#in~x#1 := 0.0;havoc f_#res#1;havoc f_~x#1;f_~x#1 := f_#in~x#1;f_#res#1 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(2.0, f_~x#1), 3.0); 4#f_returnLabel#1true main_#t~ret4#1 := f_#res#1;havoc f_~x#1;havoc f_#in~x#1;assume { :end_inline_f } true;main_~y~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;assume { :begin_inline_g } true;g_#in~x#1 := 0.0;havoc g_#res#1;havoc g_~x#1;g_~x#1 := g_#in~x#1;g_#res#1 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(g_~x#1), 5.0); 20#g_returnLabel#1true main_#t~ret5#1 := g_#res#1;havoc g_~x#1;havoc g_#in~x#1;assume { :end_inline_g } true;main_~z~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1;assume { :begin_inline_f } true;f_#in~x#1 := 0.75;havoc f_#res#1;havoc f_~x#1;f_~x#1 := f_#in~x#1;f_#res#1 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(2.0, f_~x#1), 3.0); 7#f_returnLabel#2true main_#t~ret6#1 := f_#res#1;havoc f_~x#1;havoc f_#in~x#1;assume { :end_inline_f } true;main_~u~0#1 := main_#t~ret6#1;havoc main_#t~ret6#1;assume { :begin_inline_g } true;g_#in~x#1 := 0.25;havoc g_#res#1;havoc g_~x#1;g_~x#1 := g_#in~x#1;g_#res#1 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(g_~x#1), 5.0); 9#g_returnLabel#2true main_#t~ret7#1 := g_#res#1;havoc g_~x#1;havoc g_#in~x#1;assume { :end_inline_g } true;main_~v~0#1 := main_#t~ret7#1;havoc main_#t~ret7#1;main_~i~0#1 := 1; 10#L36-3true [2023-11-19 08:05:17,631 INFO L750 eck$LassoCheckResult]: Loop: 10#L36-3true assume !!(main_~i~0#1 <= 100000);havoc main_#t~nondet9#1;main_~x~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ~someBinaryFLOATComparisonOperation(main_~x~0#1, 0.0) && ~someBinaryFLOATComparisonOperation(main_~x~0#1, ~someBinaryArithmeticFLOAToperation(~convertINTToFLOAT(main_~i~0#1), 100000.0)) then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 15#L13true assume 0 == assume_abort_if_not_~cond#1;assume false; 22#L12true havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;assume { :begin_inline_f } true;f_#in~x#1 := main_~x~0#1;havoc f_#res#1;havoc f_~x#1;f_~x#1 := f_#in~x#1;f_#res#1 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(2.0, f_~x#1), 3.0); 16#f_returnLabel#3true main_#t~ret10#1 := f_#res#1;havoc f_~x#1;havoc f_#in~x#1;assume { :end_inline_f } true;main_~y~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1;assume { :begin_inline_g } true;g_#in~x#1 := main_~x~0#1;havoc g_#res#1;havoc g_~x#1;g_~x#1 := g_#in~x#1;g_#res#1 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(g_~x#1), 5.0); 3#g_returnLabel#3true main_#t~ret11#1 := g_#res#1;havoc g_~x#1;havoc g_#in~x#1;assume { :end_inline_g } true;main_~z~0#1 := main_#t~ret11#1;havoc main_#t~ret11#1;assume { :begin_inline_f } true;f_#in~x#1 := main_~v~0#1;havoc f_#res#1;havoc f_~x#1;f_~x#1 := f_#in~x#1;f_#res#1 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(2.0, f_~x#1), 3.0); 21#f_returnLabel#4true main_#t~ret12#1 := f_#res#1;havoc f_~x#1;havoc f_#in~x#1;assume { :end_inline_f } true;main_~u~0#1 := main_#t~ret12#1;havoc main_#t~ret12#1;assume { :begin_inline_g } true;g_#in~x#1 := main_~u~0#1;havoc g_#res#1;havoc g_~x#1;g_~x#1 := g_#in~x#1;g_#res#1 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(g_~x#1), 5.0); 12#g_returnLabel#4true main_#t~ret13#1 := g_#res#1;havoc g_~x#1;havoc g_#in~x#1;assume { :end_inline_g } true;main_~v~0#1 := ~someBinaryArithmeticFLOAToperation(main_#t~ret13#1, 2.0);havoc main_#t~ret13#1; 13#L36-2true main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 10#L36-3true [2023-11-19 08:05:17,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:17,646 INFO L85 PathProgramCache]: Analyzing trace with hash 889475911, now seen corresponding path program 1 times [2023-11-19 08:05:17,657 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:17,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [847674108] [2023-11-19 08:05:17,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:17,660 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:17,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:05:17,850 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:05:17,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:05:17,922 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:05:17,926 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:17,926 INFO L85 PathProgramCache]: Analyzing trace with hash 1697627242, now seen corresponding path program 1 times [2023-11-19 08:05:17,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:17,927 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227020033] [2023-11-19 08:05:17,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:17,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:17,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:17,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:05:17,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 08:05:17,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227020033] [2023-11-19 08:05:17,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227020033] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 08:05:17,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 08:05:17,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 08:05:17,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625065704] [2023-11-19 08:05:17,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 08:05:18,002 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 08:05:18,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 08:05:18,038 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 08:05:18,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 08:05:18,040 INFO L87 Difference]: Start difference. First operand has 22 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 21 states have internal predecessors, (25), 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 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 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) [2023-11-19 08:05:18,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 08:05:18,046 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2023-11-19 08:05:18,048 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 21 transitions. [2023-11-19 08:05:18,050 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-19 08:05:18,052 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 14 states and 14 transitions. [2023-11-19 08:05:18,053 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2023-11-19 08:05:18,054 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2023-11-19 08:05:18,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 14 transitions. [2023-11-19 08:05:18,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:05:18,055 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 14 transitions. [2023-11-19 08:05:18,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 14 transitions. [2023-11-19 08:05:18,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2023-11-19 08:05:18,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.0) internal successors, (14), 13 states have internal predecessors, (14), 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) [2023-11-19 08:05:18,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2023-11-19 08:05:18,078 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 14 transitions. [2023-11-19 08:05:18,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 08:05:18,083 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 14 transitions. [2023-11-19 08:05:18,083 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 08:05:18,084 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 14 transitions. [2023-11-19 08:05:18,085 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 8 [2023-11-19 08:05:18,085 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 08:05:18,085 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 08:05:18,086 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-19 08:05:18,086 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 08:05:18,086 INFO L748 eck$LassoCheckResult]: Stem: 64#$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(13, 2);call #Ultimate.allocInit(12, 3); 59#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret4#1, main_#t~ret5#1, main_#t~ret6#1, main_#t~ret7#1, main_#t~nondet9#1, main_#t~ret10#1, main_#t~ret11#1, main_#t~ret12#1, main_#t~ret13#1, main_#t~post8#1, main_~i~0#1, main_~x~0#1, main_~y~0#1, main_~z~0#1, main_~t~0#1, main_~u~0#1, main_~v~0#1;havoc main_~i~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;havoc main_~t~0#1;havoc main_~u~0#1;havoc main_~v~0#1;assume { :begin_inline_f } true;f_#in~x#1 := 0.0;havoc f_#res#1;havoc f_~x#1;f_~x#1 := f_#in~x#1;f_#res#1 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(2.0, f_~x#1), 3.0); 53#f_returnLabel#1 main_#t~ret4#1 := f_#res#1;havoc f_~x#1;havoc f_#in~x#1;assume { :end_inline_f } true;main_~y~0#1 := main_#t~ret4#1;havoc main_#t~ret4#1;assume { :begin_inline_g } true;g_#in~x#1 := 0.0;havoc g_#res#1;havoc g_~x#1;g_~x#1 := g_#in~x#1;g_#res#1 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(g_~x#1), 5.0); 54#g_returnLabel#1 main_#t~ret5#1 := g_#res#1;havoc g_~x#1;havoc g_#in~x#1;assume { :end_inline_g } true;main_~z~0#1 := main_#t~ret5#1;havoc main_#t~ret5#1;assume { :begin_inline_f } true;f_#in~x#1 := 0.75;havoc f_#res#1;havoc f_~x#1;f_~x#1 := f_#in~x#1;f_#res#1 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(2.0, f_~x#1), 3.0); 55#f_returnLabel#2 main_#t~ret6#1 := f_#res#1;havoc f_~x#1;havoc f_#in~x#1;assume { :end_inline_f } true;main_~u~0#1 := main_#t~ret6#1;havoc main_#t~ret6#1;assume { :begin_inline_g } true;g_#in~x#1 := 0.25;havoc g_#res#1;havoc g_~x#1;g_~x#1 := g_#in~x#1;g_#res#1 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(g_~x#1), 5.0); 56#g_returnLabel#2 main_#t~ret7#1 := g_#res#1;havoc g_~x#1;havoc g_#in~x#1;assume { :end_inline_g } true;main_~v~0#1 := main_#t~ret7#1;havoc main_#t~ret7#1;main_~i~0#1 := 1; 57#L36-3 [2023-11-19 08:05:18,087 INFO L750 eck$LassoCheckResult]: Loop: 57#L36-3 assume !!(main_~i~0#1 <= 100000);havoc main_#t~nondet9#1;main_~x~0#1 := main_#t~nondet9#1;havoc main_#t~nondet9#1;assume { :begin_inline_assume_abort_if_not } true;assume_abort_if_not_#in~cond#1 := (if ~someBinaryFLOATComparisonOperation(main_~x~0#1, 0.0) && ~someBinaryFLOATComparisonOperation(main_~x~0#1, ~someBinaryArithmeticFLOAToperation(~convertINTToFLOAT(main_~i~0#1), 100000.0)) then 1 else 0);havoc assume_abort_if_not_~cond#1;assume_abort_if_not_~cond#1 := assume_abort_if_not_#in~cond#1; 58#L13 assume !(0 == assume_abort_if_not_~cond#1); 62#L12 havoc assume_abort_if_not_~cond#1;havoc assume_abort_if_not_#in~cond#1;assume { :end_inline_assume_abort_if_not } true;assume { :begin_inline_f } true;f_#in~x#1 := main_~x~0#1;havoc f_#res#1;havoc f_~x#1;f_~x#1 := f_#in~x#1;f_#res#1 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(2.0, f_~x#1), 3.0); 63#f_returnLabel#3 main_#t~ret10#1 := f_#res#1;havoc f_~x#1;havoc f_#in~x#1;assume { :end_inline_f } true;main_~y~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1;assume { :begin_inline_g } true;g_#in~x#1 := main_~x~0#1;havoc g_#res#1;havoc g_~x#1;g_~x#1 := g_#in~x#1;g_#res#1 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(g_~x#1), 5.0); 51#g_returnLabel#3 main_#t~ret11#1 := g_#res#1;havoc g_~x#1;havoc g_#in~x#1;assume { :end_inline_g } true;main_~z~0#1 := main_#t~ret11#1;havoc main_#t~ret11#1;assume { :begin_inline_f } true;f_#in~x#1 := main_~v~0#1;havoc f_#res#1;havoc f_~x#1;f_~x#1 := f_#in~x#1;f_#res#1 := ~someBinaryArithmeticFLOAToperation(~someBinaryArithmeticFLOAToperation(2.0, f_~x#1), 3.0); 52#f_returnLabel#4 main_#t~ret12#1 := f_#res#1;havoc f_~x#1;havoc f_#in~x#1;assume { :end_inline_f } true;main_~u~0#1 := main_#t~ret12#1;havoc main_#t~ret12#1;assume { :begin_inline_g } true;g_#in~x#1 := main_~u~0#1;havoc g_#res#1;havoc g_~x#1;g_~x#1 := g_#in~x#1;g_#res#1 := ~someBinaryArithmeticFLOAToperation(~someUnaryFLOAToperation(g_~x#1), 5.0); 60#g_returnLabel#4 main_#t~ret13#1 := g_#res#1;havoc g_~x#1;havoc g_#in~x#1;assume { :end_inline_g } true;main_~v~0#1 := ~someBinaryArithmeticFLOAToperation(main_#t~ret13#1, 2.0);havoc main_#t~ret13#1; 61#L36-2 main_#t~post8#1 := main_~i~0#1;main_~i~0#1 := 1 + main_#t~post8#1;havoc main_#t~post8#1; 57#L36-3 [2023-11-19 08:05:18,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:18,087 INFO L85 PathProgramCache]: Analyzing trace with hash 889475911, now seen corresponding path program 2 times [2023-11-19 08:05:18,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:18,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [13194094] [2023-11-19 08:05:18,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:18,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:18,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:05:18,101 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:05:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:05:18,113 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:05:18,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:18,114 INFO L85 PathProgramCache]: Analyzing trace with hash -822332692, now seen corresponding path program 1 times [2023-11-19 08:05:18,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:18,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535694969] [2023-11-19 08:05:18,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:18,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:05:18,134 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:05:18,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:05:18,145 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:05:18,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:18,146 INFO L85 PathProgramCache]: Analyzing trace with hash 2058608690, now seen corresponding path program 1 times [2023-11-19 08:05:18,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 08:05:18,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [599462376] [2023-11-19 08:05:18,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 08:05:18,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 08:05:18,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:05:18,169 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 08:05:18,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 08:05:18,190 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 08:05:18,410 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 08:05:18,410 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 08:05:18,410 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 08:05:18,411 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 08:05:18,411 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-19 08:05:18,411 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:05:18,411 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 08:05:18,411 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 08:05:18,412 INFO L133 ssoRankerPreferences]: Filename of dumped script: zonotope_3.c_Iteration2_Loop [2023-11-19 08:05:18,413 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 08:05:18,413 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 08:05:18,435 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,457 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,460 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,464 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,469 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,473 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,480 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,484 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,488 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,493 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,496 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,500 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,504 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,507 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,515 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,523 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,528 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,531 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,535 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,644 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 08:05:18,645 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-19 08:05:18,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:05:18,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeece9c6-d3aa-49ab-9332-1f3d6321c2ba/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:18,654 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeece9c6-d3aa-49ab-9332-1f3d6321c2ba/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:18,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeece9c6-d3aa-49ab-9332-1f3d6321c2ba/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-19 08:05:18,663 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-19 08:05:18,664 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 08:05:18,706 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeece9c6-d3aa-49ab-9332-1f3d6321c2ba/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-19 08:05:18,707 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:05:18,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeece9c6-d3aa-49ab-9332-1f3d6321c2ba/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:18,708 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeece9c6-d3aa-49ab-9332-1f3d6321c2ba/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:18,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeece9c6-d3aa-49ab-9332-1f3d6321c2ba/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-19 08:05:18,712 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-19 08:05:18,713 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-19 08:05:18,747 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-19 08:05:18,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeece9c6-d3aa-49ab-9332-1f3d6321c2ba/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:18,751 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 08:05:18,751 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 08:05:18,751 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 08:05:18,751 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 08:05:18,751 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 08:05:18,751 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:05:18,751 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 08:05:18,751 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 08:05:18,751 INFO L133 ssoRankerPreferences]: Filename of dumped script: zonotope_3.c_Iteration2_Loop [2023-11-19 08:05:18,751 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 08:05:18,752 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 08:05:18,753 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,768 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,771 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,774 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,778 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,780 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,784 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,787 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,790 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,793 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,795 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,798 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,801 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,806 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,809 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,811 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,814 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,818 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,822 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-19 08:05:18,928 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 08:05:18,933 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 08:05:18,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:05:18,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeece9c6-d3aa-49ab-9332-1f3d6321c2ba/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:18,935 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeece9c6-d3aa-49ab-9332-1f3d6321c2ba/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:18,944 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-19 08:05:18,957 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 08:05:18,957 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 08:05:18,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 08:05:18,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 08:05:18,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 08:05:18,960 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 08:05:18,960 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 08:05:18,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeece9c6-d3aa-49ab-9332-1f3d6321c2ba/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-19 08:05:18,978 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 08:05:18,983 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-19 08:05:18,983 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-19 08:05:18,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 08:05:18,985 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeece9c6-d3aa-49ab-9332-1f3d6321c2ba/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 08:05:19,007 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeece9c6-d3aa-49ab-9332-1f3d6321c2ba/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 08:05:19,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeece9c6-d3aa-49ab-9332-1f3d6321c2ba/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-19 08:05:19,010 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 08:05:19,010 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-19 08:05:19,011 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 08:05:19,011 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0#1) = -2*ULTIMATE.start_main_~i~0#1 + 200001 Supporting invariants [] [2023-11-19 08:05:19,030 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeece9c6-d3aa-49ab-9332-1f3d6321c2ba/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:19,034 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-19 08:05:19,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 08:05:19,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:19,114 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 08:05:19,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:19,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 08:05:19,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 08:05:19,144 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 08:05:19,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 08:05:19,207 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-19 08:05:19,208 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 14 transitions. cyclomatic complexity: 1 Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2023-11-19 08:05:19,250 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 14 transitions. cyclomatic complexity: 1. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) Result 22 states and 23 transitions. Complement of second has 4 states. [2023-11-19 08:05:19,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-19 08:05:19,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 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) [2023-11-19 08:05:19,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 14 transitions. [2023-11-19 08:05:19,254 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 6 letters. Loop has 8 letters. [2023-11-19 08:05:19,255 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:05:19,255 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 14 letters. Loop has 8 letters. [2023-11-19 08:05:19,256 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:05:19,256 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 14 transitions. Stem has 6 letters. Loop has 16 letters. [2023-11-19 08:05:19,256 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 08:05:19,257 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 23 transitions. [2023-11-19 08:05:19,258 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 08:05:19,258 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2023-11-19 08:05:19,258 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-19 08:05:19,259 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-19 08:05:19,259 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-19 08:05:19,259 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 08:05:19,259 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 08:05:19,259 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 08:05:19,259 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 08:05:19,259 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 08:05:19,259 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-19 08:05:19,260 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 08:05:19,260 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-19 08:05:19,268 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 08:05:19 BoogieIcfgContainer [2023-11-19 08:05:19,268 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 08:05:19,269 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 08:05:19,269 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 08:05:19,269 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 08:05:19,270 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:05:17" (3/4) ... [2023-11-19 08:05:19,272 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 08:05:19,273 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 08:05:19,274 INFO L158 Benchmark]: Toolchain (without parser) took 2480.04ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 95.8MB in the beginning and 77.2MB in the end (delta: 18.6MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2023-11-19 08:05:19,274 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 140.5MB. Free memory is still 111.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:05:19,275 INFO L158 Benchmark]: CACSL2BoogieTranslator took 247.97ms. Allocated memory is still 140.5MB. Free memory was 95.8MB in the beginning and 85.2MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 08:05:19,276 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.31ms. Allocated memory is still 140.5MB. Free memory was 85.2MB in the beginning and 83.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:05:19,276 INFO L158 Benchmark]: Boogie Preprocessor took 28.49ms. Allocated memory is still 140.5MB. Free memory was 83.6MB in the beginning and 82.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 08:05:19,277 INFO L158 Benchmark]: RCFGBuilder took 331.93ms. Allocated memory is still 140.5MB. Free memory was 82.0MB in the beginning and 71.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 08:05:19,277 INFO L158 Benchmark]: BuchiAutomizer took 1819.92ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 71.0MB in the beginning and 77.2MB in the end (delta: -6.1MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. [2023-11-19 08:05:19,278 INFO L158 Benchmark]: Witness Printer took 4.18ms. Allocated memory is still 169.9MB. Free memory is still 77.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 08:05:19,281 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 140.5MB. Free memory is still 111.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 247.97ms. Allocated memory is still 140.5MB. Free memory was 95.8MB in the beginning and 85.2MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.31ms. Allocated memory is still 140.5MB. Free memory was 85.2MB in the beginning and 83.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.49ms. Allocated memory is still 140.5MB. Free memory was 83.6MB in the beginning and 82.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 331.93ms. Allocated memory is still 140.5MB. Free memory was 82.0MB in the beginning and 71.5MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1819.92ms. Allocated memory was 140.5MB in the beginning and 169.9MB in the end (delta: 29.4MB). Free memory was 71.0MB in the beginning and 77.2MB in the end (delta: -6.1MB). Peak memory consumption was 24.9MB. Max. memory is 16.1GB. * Witness Printer took 4.18ms. Allocated memory is still 169.9MB. Free memory is still 77.2MB. 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 (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function ((-2 * i) + 200001) and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. 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 [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 18 mSDsluCounter, 39 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 6 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 33 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital13 mio100 ax100 hnf100 lsp76 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 77ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-19 08:05:19,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeece9c6-d3aa-49ab-9332-1f3d6321c2ba/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-19 08:05:19,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aeece9c6-d3aa-49ab-9332-1f3d6321c2ba/bin/uautomizer-verify-uCwYo4JHxu/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