./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/b.16-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/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_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/b.16-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/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 64bit --witnessprinter.graph.data.programhash ce057761c66e7025e367ba93d275e71dea4e6dc273a0ba7c5cecd0f774a5d453 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:41:29,005 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:41:29,135 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-19 07:41:29,141 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:41:29,142 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:41:29,189 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:41:29,190 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:41:29,191 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:41:29,192 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:41:29,199 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:41:29,200 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:41:29,200 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:41:29,201 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:41:29,201 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:41:29,202 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:41:29,202 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:41:29,203 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:41:29,203 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:41:29,203 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:41:29,204 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:41:29,207 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:41:29,207 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:41:29,208 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:41:29,208 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:41:29,209 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:41:29,209 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:41:29,210 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:41:29,211 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:41:29,211 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:41:29,212 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:41:29,213 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:41:29,214 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:41:29,214 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:41:29,215 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_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce057761c66e7025e367ba93d275e71dea4e6dc273a0ba7c5cecd0f774a5d453 [2023-11-19 07:41:29,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:41:29,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:41:29,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:41:29,603 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:41:29,604 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:41:29,605 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/termination-memory-alloca/b.16-alloca.i [2023-11-19 07:41:32,650 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:41:33,016 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:41:33,026 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/sv-benchmarks/c/termination-memory-alloca/b.16-alloca.i [2023-11-19 07:41:33,044 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/data/0038cdb9f/2039f22421f24e4aabeca638e71ee911/FLAGc519d3535 [2023-11-19 07:41:33,063 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/data/0038cdb9f/2039f22421f24e4aabeca638e71ee911 [2023-11-19 07:41:33,066 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:41:33,068 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:41:33,070 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:41:33,070 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:41:33,083 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:41:33,084 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:41:33" (1/1) ... [2023-11-19 07:41:33,086 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5ee06896 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:33, skipping insertion in model container [2023-11-19 07:41:33,086 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:41:33" (1/1) ... [2023-11-19 07:41:33,159 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:41:33,564 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:41:33,581 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:41:33,665 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:41:33,705 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:41:33,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:33 WrapperNode [2023-11-19 07:41:33,706 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:41:33,708 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:41:33,708 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:41:33,708 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:41:33,718 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:33" (1/1) ... [2023-11-19 07:41:33,746 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:33" (1/1) ... [2023-11-19 07:41:33,780 INFO L138 Inliner]: procedures = 111, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 59 [2023-11-19 07:41:33,780 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:41:33,781 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:41:33,782 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:41:33,782 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:41:33,793 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:33" (1/1) ... [2023-11-19 07:41:33,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:33" (1/1) ... [2023-11-19 07:41:33,816 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:33" (1/1) ... [2023-11-19 07:41:33,816 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:33" (1/1) ... [2023-11-19 07:41:33,821 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:33" (1/1) ... [2023-11-19 07:41:33,825 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:33" (1/1) ... [2023-11-19 07:41:33,827 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:33" (1/1) ... [2023-11-19 07:41:33,836 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:33" (1/1) ... [2023-11-19 07:41:33,839 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:41:33,840 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:41:33,840 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:41:33,840 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:41:33,841 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:33" (1/1) ... [2023-11-19 07:41:33,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:33,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:33,951 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:34,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:41:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:41:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:41:34,041 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:41:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:41:34,042 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:41:34,042 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:41:34,158 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:41:34,160 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:41:34,329 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:41:34,338 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:41:34,338 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 07:41:34,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:41:34 BoogieIcfgContainer [2023-11-19 07:41:34,342 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:41:34,343 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:41:34,343 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:41:34,350 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:41:34,351 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:41:34,351 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:41:33" (1/3) ... [2023-11-19 07:41:34,352 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e805607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:41:34, skipping insertion in model container [2023-11-19 07:41:34,352 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:41:34,353 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:41:33" (2/3) ... [2023-11-19 07:41:34,353 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@e805607 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:41:34, skipping insertion in model container [2023-11-19 07:41:34,353 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:41:34,354 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:41:34" (3/3) ... [2023-11-19 07:41:34,355 INFO L332 chiAutomizerObserver]: Analyzing ICFG b.16-alloca.i [2023-11-19 07:41:34,416 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:41:34,416 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:41:34,416 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:41:34,416 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:41:34,416 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:41:34,416 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:41:34,417 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:41:34,417 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:41:34,421 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 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) [2023-11-19 07:41:34,443 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-19 07:41:34,443 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:41:34,443 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:41:34,448 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:41:34,448 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-19 07:41:34,448 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:41:34,448 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 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) [2023-11-19 07:41:34,450 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-19 07:41:34,450 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:41:34,451 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:41:34,451 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:41:34,451 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-19 07:41:34,459 INFO L748 eck$LassoCheckResult]: Stem: 7#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 10#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~ret12#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet10#1, main_#t~nondet11#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~mem8#1, test_fun_#t~mem5#1, test_fun_#t~mem9#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 4#L555-3true [2023-11-19 07:41:34,460 INFO L750 eck$LassoCheckResult]: Loop: 4#L555-3true call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 12#L555-1true assume !!(test_fun_#t~mem5#1 > 0);havoc test_fun_#t~mem5#1; 6#L556-3true assume !true; 2#L556-4true call test_fun_#t~mem8#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem8#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 4#L555-3true [2023-11-19 07:41:34,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:34,467 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-19 07:41:34,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:34,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688444598] [2023-11-19 07:41:34,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:34,480 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:34,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:34,651 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:41:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:34,710 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:41:34,713 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:34,713 INFO L85 PathProgramCache]: Analyzing trace with hash 1144360, now seen corresponding path program 1 times [2023-11-19 07:41:34,713 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:34,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1501888201] [2023-11-19 07:41:34,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:34,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:34,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:34,772 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 07:41:34,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:41:34,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1501888201] [2023-11-19 07:41:34,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1501888201] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:41:34,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:41:34,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:41:34,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778548087] [2023-11-19 07:41:34,776 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:41:34,781 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:41:34,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:41:34,833 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:41:34,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:41:34,837 INFO L87 Difference]: Start difference. First operand has 12 states, 11 states have (on average 1.3636363636363635) internal successors, (15), 11 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) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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 07:41:34,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:41:34,847 INFO L93 Difference]: Finished difference Result 12 states and 13 transitions. [2023-11-19 07:41:34,848 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 13 transitions. [2023-11-19 07:41:34,851 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-19 07:41:34,855 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 7 states and 8 transitions. [2023-11-19 07:41:34,857 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 7 [2023-11-19 07:41:34,857 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2023-11-19 07:41:34,858 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 8 transitions. [2023-11-19 07:41:34,860 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:41:34,860 INFO L218 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2023-11-19 07:41:34,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 8 transitions. [2023-11-19 07:41:34,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2023-11-19 07:41:34,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.1428571428571428) internal successors, (8), 6 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 07:41:34,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 8 transitions. [2023-11-19 07:41:34,895 INFO L240 hiAutomatonCegarLoop]: Abstraction has 7 states and 8 transitions. [2023-11-19 07:41:34,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:41:34,902 INFO L428 stractBuchiCegarLoop]: Abstraction has 7 states and 8 transitions. [2023-11-19 07:41:34,903 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:41:34,903 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states and 8 transitions. [2023-11-19 07:41:34,904 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2023-11-19 07:41:34,905 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:41:34,906 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:41:34,906 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:41:34,907 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2023-11-19 07:41:34,907 INFO L748 eck$LassoCheckResult]: Stem: 37#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 38#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~ret12#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet10#1, main_#t~nondet11#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~mem8#1, test_fun_#t~mem5#1, test_fun_#t~mem9#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 33#L555-3 [2023-11-19 07:41:34,907 INFO L750 eck$LassoCheckResult]: Loop: 33#L555-3 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 34#L555-1 assume !!(test_fun_#t~mem5#1 > 0);havoc test_fun_#t~mem5#1; 35#L556-3 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 36#L556-1 assume !(test_fun_#t~mem6#1 > 0);havoc test_fun_#t~mem6#1; 32#L556-4 call test_fun_#t~mem8#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem8#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 33#L555-3 [2023-11-19 07:41:34,910 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:34,910 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2023-11-19 07:41:34,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:34,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1062897878] [2023-11-19 07:41:34,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:34,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:35,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:35,011 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:41:35,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:35,064 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:41:35,065 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:35,066 INFO L85 PathProgramCache]: Analyzing trace with hash 35468273, now seen corresponding path program 1 times [2023-11-19 07:41:35,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:35,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1593173814] [2023-11-19 07:41:35,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:35,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:35,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:35,107 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:41:35,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:35,129 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:41:35,130 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:35,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1806907759, now seen corresponding path program 1 times [2023-11-19 07:41:35,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:35,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [276569764] [2023-11-19 07:41:35,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:35,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:35,240 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:41:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:35,318 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:41:36,403 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:41:36,404 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:41:36,404 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:41:36,404 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:41:36,404 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:41:36,404 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:36,405 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:41:36,405 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:41:36,405 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.16-alloca.i_Iteration2_Lasso [2023-11-19 07:41:36,405 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:41:36,405 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:41:36,435 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 07:41:36,446 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 07:41:36,449 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 07:41:36,454 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 07:41:36,457 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 07:41:36,460 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 07:41:36,465 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 07:41:37,368 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 07:41:37,372 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 07:41:37,376 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 07:41:37,379 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 07:41:37,382 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 07:41:37,386 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 07:41:37,993 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:41:38,004 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:41:38,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:38,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:38,014 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:38,027 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 07:41:38,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-19 07:41:38,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:41:38,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:41:38,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:41:38,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:41:38,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:41:38,048 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:41:38,048 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:41:38,058 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:41:38,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2023-11-19 07:41:38,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:38,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:38,090 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:38,102 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-19 07:41:38,104 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 07:41:38,120 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:41:38,120 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:41:38,121 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:41:38,121 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:41:38,121 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:41:38,123 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:41:38,123 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:41:38,132 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:41:38,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:38,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:38,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:38,151 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:38,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-19 07:41:38,153 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 07:41:38,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:41:38,169 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:41:38,169 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:41:38,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:41:38,178 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:41:38,178 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:41:38,189 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:41:38,217 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:38,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:38,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:38,219 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:38,231 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 07:41:38,244 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-19 07:41:38,246 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:41:38,247 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:41:38,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:41:38,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:41:38,247 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:41:38,248 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:41:38,248 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:41:38,272 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:41:38,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:38,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:38,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:38,303 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:38,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-19 07:41:38,311 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 07:41:38,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:41:38,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:41:38,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:41:38,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:41:38,326 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:41:38,327 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:41:38,328 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:41:38,337 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:41:38,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:38,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:38,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:38,365 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:38,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-19 07:41:38,369 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 07:41:38,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:41:38,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:41:38,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:41:38,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:41:38,391 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:41:38,391 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:41:38,412 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:41:38,439 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:38,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:38,439 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:38,441 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:38,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-19 07:41:38,445 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 07:41:38,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:41:38,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:41:38,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:41:38,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:41:38,469 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:41:38,469 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:41:38,488 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:41:38,514 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:38,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:38,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:38,517 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:38,521 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 07:41:38,535 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:41:38,535 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:41:38,536 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:41:38,536 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:41:38,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-19 07:41:38,546 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:41:38,547 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:41:38,564 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:41:38,587 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-19 07:41:38,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:38,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:38,589 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:38,592 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 07:41:38,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-19 07:41:38,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:41:38,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:41:38,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:41:38,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:41:38,616 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:41:38,616 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:41:38,630 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:41:38,675 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-19 07:41:38,675 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 9 variables to zero. [2023-11-19 07:41:38,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:38,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:38,726 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:38,734 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:41:38,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-19 07:41:38,769 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-19 07:41:38,770 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:41:38,770 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1 Supporting invariants [] [2023-11-19 07:41:38,797 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:38,921 INFO L156 tatePredicateManager]: 26 out of 26 supporting invariants were superfluous and have been removed [2023-11-19 07:41:38,925 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~x_ref~0!base][~x_ref~0!offset] could not be translated [2023-11-19 07:41:38,945 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:38,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:41:38,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:41:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:39,020 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 07:41:39,021 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:41:39,089 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 07:41:39,093 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2023-11-19 07:41:39,095 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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 07:41:39,185 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 7 states and 8 transitions. cyclomatic complexity: 2. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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 21 states and 26 transitions. Complement of second has 8 states. [2023-11-19 07:41:39,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-19 07:41:39,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 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 07:41:39,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2023-11-19 07:41:39,190 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 2 letters. Loop has 5 letters. [2023-11-19 07:41:39,191 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:41:39,191 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 7 letters. Loop has 5 letters. [2023-11-19 07:41:39,192 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:41:39,192 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 2 letters. Loop has 10 letters. [2023-11-19 07:41:39,192 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:41:39,192 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 26 transitions. [2023-11-19 07:41:39,194 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-19 07:41:39,195 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 20 states and 25 transitions. [2023-11-19 07:41:39,195 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-19 07:41:39,195 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-19 07:41:39,196 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 25 transitions. [2023-11-19 07:41:39,196 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:41:39,196 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 25 transitions. [2023-11-19 07:41:39,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 25 transitions. [2023-11-19 07:41:39,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2023-11-19 07:41:39,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.263157894736842) internal successors, (24), 18 states have internal predecessors, (24), 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 07:41:39,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 24 transitions. [2023-11-19 07:41:39,199 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2023-11-19 07:41:39,199 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 24 transitions. [2023-11-19 07:41:39,200 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 07:41:39,200 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 24 transitions. [2023-11-19 07:41:39,201 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-19 07:41:39,201 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:41:39,201 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:41:39,201 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-19 07:41:39,202 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1] [2023-11-19 07:41:39,202 INFO L748 eck$LassoCheckResult]: Stem: 221#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 222#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~ret12#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet10#1, main_#t~nondet11#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~mem8#1, test_fun_#t~mem5#1, test_fun_#t~mem9#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 224#L555-3 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 215#L555-1 [2023-11-19 07:41:39,202 INFO L750 eck$LassoCheckResult]: Loop: 215#L555-1 assume !!(test_fun_#t~mem5#1 > 0);havoc test_fun_#t~mem5#1; 217#L556-3 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 218#L556-1 assume !!(test_fun_#t~mem6#1 > 0);havoc test_fun_#t~mem6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_#t~mem7#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem7#1; 223#L556-3 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 226#L556-1 assume !(test_fun_#t~mem6#1 > 0);havoc test_fun_#t~mem6#1; 211#L556-4 call test_fun_#t~mem8#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem8#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 212#L555-3 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 215#L555-1 [2023-11-19 07:41:39,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:39,203 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2023-11-19 07:41:39,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:39,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884151620] [2023-11-19 07:41:39,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:39,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:39,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:39,232 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:41:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:39,254 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:41:39,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:39,255 INFO L85 PathProgramCache]: Analyzing trace with hash 15492128, now seen corresponding path program 1 times [2023-11-19 07:41:39,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:39,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519864742] [2023-11-19 07:41:39,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:39,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:39,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:39,268 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:41:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:39,280 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:41:39,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:39,280 INFO L85 PathProgramCache]: Analyzing trace with hash 765526557, now seen corresponding path program 1 times [2023-11-19 07:41:39,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:39,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440919942] [2023-11-19 07:41:39,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:39,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:39,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:41:39,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:39,359 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:41:39,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:40,514 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:41:40,514 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:41:40,514 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:41:40,515 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:41:40,515 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:41:40,515 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:40,515 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:41:40,515 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:41:40,515 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.16-alloca.i_Iteration3_Lasso [2023-11-19 07:41:40,515 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:41:40,515 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:41:40,520 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 07:41:40,526 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 07:41:40,529 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 07:41:40,538 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 07:41:40,541 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 07:41:40,545 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 07:41:40,549 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 07:41:40,553 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 07:41:40,557 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 07:41:40,561 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 07:41:40,566 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 07:41:40,570 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 07:41:40,574 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 07:41:40,578 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 07:41:40,583 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 07:41:41,635 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:41:41,638 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:41:41,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:41,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:41,641 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:41,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-19 07:41:41,650 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 07:41:41,665 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:41:41,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:41:41,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:41:41,666 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:41:41,666 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:41:41,667 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:41:41,667 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:41:41,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:41:41,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:41,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:41,717 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:41,719 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:41,726 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 07:41:41,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-19 07:41:41,741 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:41:41,741 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:41:41,741 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:41:41,741 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:41:41,741 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:41:41,742 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:41:41,742 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:41:41,751 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:41:41,779 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:41,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:41,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:41,783 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:41,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-19 07:41:41,788 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 07:41:41,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:41:41,803 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:41:41,803 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:41:41,803 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:41:41,805 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:41:41,805 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:41:41,816 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:41:41,845 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:41,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:41,845 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:41,847 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:41,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-19 07:41:41,852 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 07:41:41,863 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:41:41,864 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:41:41,864 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:41:41,864 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:41:41,864 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:41:41,864 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:41:41,865 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:41:41,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:41:41,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:41,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:41,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:41,884 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:41,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-19 07:41:41,887 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 07:41:41,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:41:41,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:41:41,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:41:41,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:41:41,913 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:41:41,913 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:41:41,925 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:41:41,953 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:41,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:41,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:41,956 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:41,968 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 07:41:41,984 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-19 07:41:41,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:41:41,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:41:41,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:41:41,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:41:41,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:41:41,988 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:41:41,988 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:41:41,992 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:41:42,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:42,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:42,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:42,020 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:42,028 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 07:41:42,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-19 07:41:42,042 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:41:42,042 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:41:42,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:41:42,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:41:42,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:41:42,046 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:41:42,046 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:41:42,056 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:41:42,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:42,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:42,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:42,075 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:42,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-19 07:41:42,077 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 07:41:42,089 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:41:42,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:41:42,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:41:42,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:41:42,091 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:41:42,091 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:41:42,121 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:41:42,139 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2023-11-19 07:41:42,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:42,140 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:42,141 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:42,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-19 07:41:42,144 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 07:41:42,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:41:42,157 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:41:42,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:41:42,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:41:42,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:41:42,158 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:41:42,158 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:41:42,170 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:41:42,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:42,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:42,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:42,185 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:42,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-19 07:41:42,187 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 07:41:42,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:41:42,199 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:41:42,199 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:41:42,199 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:41:42,201 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:41:42,201 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:41:42,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:41:42,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:42,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:42,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:42,226 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:42,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-19 07:41:42,228 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 07:41:42,240 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:41:42,240 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:41:42,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:41:42,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:41:42,242 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:41:42,242 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:41:42,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:41:42,268 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:42,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:42,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:42,272 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:42,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-19 07:41:42,273 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 07:41:42,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:41:42,285 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:41:42,285 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:41:42,285 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:41:42,285 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:41:42,286 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:41:42,286 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:41:42,287 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:41:42,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Ended with exit code 0 [2023-11-19 07:41:42,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:42,301 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:42,302 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:42,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-19 07:41:42,305 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 07:41:42,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:41:42,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:41:42,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:41:42,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:41:42,320 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:41:42,320 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:41:42,348 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:41:42,373 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:42,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:42,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:42,375 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:42,381 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 07:41:42,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-19 07:41:42,396 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:41:42,396 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:41:42,396 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:41:42,396 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:41:42,398 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:41:42,398 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:41:42,424 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:41:42,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:42,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:42,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:42,458 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:42,466 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 07:41:42,480 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-19 07:41:42,481 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:41:42,481 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:41:42,481 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:41:42,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:41:42,489 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:41:42,490 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:41:42,511 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:41:42,527 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-11-19 07:41:42,527 INFO L444 ModelExtractionUtils]: 11 out of 19 variables were initially zero. Simplification set additionally 4 variables to zero. [2023-11-19 07:41:42,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:42,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:42,529 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:42,533 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:41:42,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-19 07:41:42,551 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-19 07:41:42,551 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:41:42,551 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_2) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_2 Supporting invariants [1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_2 - 1*ULTIMATE.start_test_fun_#t~mem5#1 >= 0] [2023-11-19 07:41:42,569 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2023-11-19 07:41:42,711 INFO L156 tatePredicateManager]: 20 out of 21 supporting invariants were superfluous and have been removed [2023-11-19 07:41:42,716 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~x_ref~0!base][~x_ref~0!offset] could not be translated [2023-11-19 07:41:42,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:42,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:42,777 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:41:42,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:41:42,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:42,798 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-19 07:41:42,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:41:42,882 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:42,943 INFO L349 Elim1Store]: treesize reduction 18, result has 60.9 percent of original size [2023-11-19 07:41:42,944 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 43 [2023-11-19 07:41:43,407 INFO L349 Elim1Store]: treesize reduction 52, result has 51.4 percent of original size [2023-11-19 07:41:43,407 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 81 treesize of output 96 [2023-11-19 07:41:44,505 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:41:44,506 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 6 loop predicates [2023-11-19 07:41:44,506 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 7 Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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 07:41:44,953 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 24 transitions. cyclomatic complexity: 7. Second operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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 53 states and 66 transitions. Complement of second has 14 states. [2023-11-19 07:41:44,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 5 non-accepting loop states 2 accepting loop states [2023-11-19 07:41:44,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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 07:41:44,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 13 transitions. [2023-11-19 07:41:44,955 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 13 transitions. Stem has 3 letters. Loop has 7 letters. [2023-11-19 07:41:44,955 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:41:44,955 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 13 transitions. Stem has 10 letters. Loop has 7 letters. [2023-11-19 07:41:44,955 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:41:44,956 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 13 transitions. Stem has 3 letters. Loop has 14 letters. [2023-11-19 07:41:44,956 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:41:44,956 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 53 states and 66 transitions. [2023-11-19 07:41:44,959 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-19 07:41:44,961 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 53 states to 50 states and 63 transitions. [2023-11-19 07:41:44,961 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-11-19 07:41:44,961 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2023-11-19 07:41:44,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 50 states and 63 transitions. [2023-11-19 07:41:44,961 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:41:44,961 INFO L218 hiAutomatonCegarLoop]: Abstraction has 50 states and 63 transitions. [2023-11-19 07:41:44,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states and 63 transitions. [2023-11-19 07:41:44,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 46. [2023-11-19 07:41:44,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.2826086956521738) internal successors, (59), 45 states have internal predecessors, (59), 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 07:41:44,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 59 transitions. [2023-11-19 07:41:44,966 INFO L240 hiAutomatonCegarLoop]: Abstraction has 46 states and 59 transitions. [2023-11-19 07:41:44,967 INFO L428 stractBuchiCegarLoop]: Abstraction has 46 states and 59 transitions. [2023-11-19 07:41:44,967 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-19 07:41:44,967 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 59 transitions. [2023-11-19 07:41:44,968 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2023-11-19 07:41:44,968 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:41:44,968 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:41:44,969 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-19 07:41:44,969 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [2, 1, 1, 1, 1, 1] [2023-11-19 07:41:44,969 INFO L748 eck$LassoCheckResult]: Stem: 458#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 459#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~ret12#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet10#1, main_#t~nondet11#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~mem8#1, test_fun_#t~mem5#1, test_fun_#t~mem9#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 448#L555-3 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 449#L555-1 assume !!(test_fun_#t~mem5#1 > 0);havoc test_fun_#t~mem5#1; 467#L556-3 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 460#L556-1 assume !!(test_fun_#t~mem6#1 > 0);havoc test_fun_#t~mem6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_#t~mem7#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem7#1; 454#L556-3 [2023-11-19 07:41:44,969 INFO L750 eck$LassoCheckResult]: Loop: 454#L556-3 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 455#L556-1 assume !!(test_fun_#t~mem6#1 > 0);havoc test_fun_#t~mem6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_#t~mem7#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem7#1; 466#L556-3 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 465#L556-1 assume !(test_fun_#t~mem6#1 > 0);havoc test_fun_#t~mem6#1; 444#L556-4 call test_fun_#t~mem8#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem8#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 445#L555-3 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 468#L555-1 assume !!(test_fun_#t~mem5#1 > 0);havoc test_fun_#t~mem5#1; 454#L556-3 [2023-11-19 07:41:44,969 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:44,970 INFO L85 PathProgramCache]: Analyzing trace with hash 889571341, now seen corresponding path program 1 times [2023-11-19 07:41:44,970 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:44,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1892894734] [2023-11-19 07:41:44,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:44,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:44,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:44,991 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:41:45,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:45,007 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:41:45,008 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:45,008 INFO L85 PathProgramCache]: Analyzing trace with hash 296665942, now seen corresponding path program 2 times [2023-11-19 07:41:45,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:45,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [676492299] [2023-11-19 07:41:45,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:45,009 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:45,017 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:41:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:45,024 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:41:45,025 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:45,025 INFO L85 PathProgramCache]: Analyzing trace with hash -425323062, now seen corresponding path program 2 times [2023-11-19 07:41:45,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:45,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702079997] [2023-11-19 07:41:45,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:45,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:45,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:45,047 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:41:45,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:45,064 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:41:46,139 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:41:46,139 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:41:46,139 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:41:46,139 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:41:46,139 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:41:46,139 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:46,139 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:41:46,139 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:41:46,139 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.16-alloca.i_Iteration4_Lasso [2023-11-19 07:41:46,139 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:41:46,140 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:41:46,143 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 07:41:46,146 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 07:41:46,149 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 07:41:46,152 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 07:41:46,961 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 07:41:46,964 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 07:41:46,967 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 07:41:46,970 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 07:41:46,973 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 07:41:46,976 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 07:41:46,979 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 07:41:46,981 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 07:41:46,984 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 07:41:46,988 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 07:41:47,518 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:41:47,518 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:41:47,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:47,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:47,519 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:47,530 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 07:41:47,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-19 07:41:47,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:41:47,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:41:47,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:41:47,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:41:47,543 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:41:47,544 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:41:47,544 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:41:47,547 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:41:47,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-11-19 07:41:47,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:47,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:47,561 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:47,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-19 07:41:47,563 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 07:41:47,574 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:41:47,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:41:47,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:41:47,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:41:47,575 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:41:47,575 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:41:47,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:41:47,578 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:41:47,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2023-11-19 07:41:47,595 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:47,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:47,596 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:47,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-19 07:41:47,598 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 07:41:47,609 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:41:47,609 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:41:47,609 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:41:47,609 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:41:47,609 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:41:47,610 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:41:47,610 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:41:47,617 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:41:47,629 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-11-19 07:41:47,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:47,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:47,632 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:47,634 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 07:41:47,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-19 07:41:47,646 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:41:47,646 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:41:47,646 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:41:47,646 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:41:47,648 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:41:47,648 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:41:47,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:41:47,686 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:47,686 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:47,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:47,688 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:47,693 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 07:41:47,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-19 07:41:47,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:41:47,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:41:47,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:41:47,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:41:47,715 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:41:47,715 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:41:47,753 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:41:47,808 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2023-11-19 07:41:47,808 INFO L444 ModelExtractionUtils]: 4 out of 22 variables were initially zero. Simplification set additionally 16 variables to zero. [2023-11-19 07:41:47,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:47,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:47,809 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:47,813 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:41:47,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-19 07:41:47,842 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-19 07:41:47,842 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:41:47,842 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) 0)_1) = 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) 0)_1 Supporting invariants [] [2023-11-19 07:41:47,867 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:47,969 INFO L156 tatePredicateManager]: 25 out of 26 supporting invariants were superfluous and have been removed [2023-11-19 07:41:47,972 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~x_ref~0!base][0] could not be translated [2023-11-19 07:41:47,994 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:48,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 07:41:48,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:41:48,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:48,064 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 07:41:48,065 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:41:48,136 INFO L349 Elim1Store]: treesize reduction 18, result has 60.9 percent of original size [2023-11-19 07:41:48,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 43 [2023-11-19 07:41:48,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:48,695 INFO L349 Elim1Store]: treesize reduction 92, result has 44.6 percent of original size [2023-11-19 07:41:48,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 9 case distinctions, treesize of input 80 treesize of output 114 [2023-11-19 07:41:50,099 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:41:50,100 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 7 loop predicates [2023-11-19 07:41:50,100 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 46 states and 59 transitions. cyclomatic complexity: 17 Second operand has 9 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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 07:41:50,853 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 46 states and 59 transitions. cyclomatic complexity: 17. Second operand has 9 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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 153 states and 190 transitions. Complement of second has 17 states. [2023-11-19 07:41:50,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 2 stem states 7 non-accepting loop states 1 accepting loop states [2023-11-19 07:41:50,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 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 07:41:50,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 21 transitions. [2023-11-19 07:41:50,857 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 21 transitions. Stem has 6 letters. Loop has 7 letters. [2023-11-19 07:41:50,858 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:41:50,858 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 21 transitions. Stem has 13 letters. Loop has 7 letters. [2023-11-19 07:41:50,858 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:41:50,858 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 21 transitions. Stem has 6 letters. Loop has 14 letters. [2023-11-19 07:41:50,859 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:41:50,859 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 153 states and 190 transitions. [2023-11-19 07:41:50,864 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-19 07:41:50,868 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 153 states to 122 states and 151 transitions. [2023-11-19 07:41:50,868 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 23 [2023-11-19 07:41:50,869 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2023-11-19 07:41:50,869 INFO L73 IsDeterministic]: Start isDeterministic. Operand 122 states and 151 transitions. [2023-11-19 07:41:50,869 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:41:50,869 INFO L218 hiAutomatonCegarLoop]: Abstraction has 122 states and 151 transitions. [2023-11-19 07:41:50,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states and 151 transitions. [2023-11-19 07:41:50,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 96. [2023-11-19 07:41:50,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 96 states have (on average 1.2916666666666667) internal successors, (124), 95 states have internal predecessors, (124), 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 07:41:50,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 124 transitions. [2023-11-19 07:41:50,882 INFO L240 hiAutomatonCegarLoop]: Abstraction has 96 states and 124 transitions. [2023-11-19 07:41:50,883 INFO L428 stractBuchiCegarLoop]: Abstraction has 96 states and 124 transitions. [2023-11-19 07:41:50,883 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-19 07:41:50,883 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 96 states and 124 transitions. [2023-11-19 07:41:50,885 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-19 07:41:50,885 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:41:50,885 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:41:50,886 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1] [2023-11-19 07:41:50,886 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 07:41:50,886 INFO L748 eck$LassoCheckResult]: Stem: 848#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 849#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~ret12#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet10#1, main_#t~nondet11#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~mem8#1, test_fun_#t~mem5#1, test_fun_#t~mem9#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 852#L555-3 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 864#L555-1 assume !!(test_fun_#t~mem5#1 > 0);havoc test_fun_#t~mem5#1; 870#L556-3 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 921#L556-1 assume !!(test_fun_#t~mem6#1 > 0);havoc test_fun_#t~mem6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_#t~mem7#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem7#1; 919#L556-3 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 845#L556-1 [2023-11-19 07:41:50,887 INFO L750 eck$LassoCheckResult]: Loop: 845#L556-1 assume !!(test_fun_#t~mem6#1 > 0);havoc test_fun_#t~mem6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_#t~mem7#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem7#1; 844#L556-3 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 845#L556-1 [2023-11-19 07:41:50,887 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:50,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1806907812, now seen corresponding path program 2 times [2023-11-19 07:41:50,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:50,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1507127951] [2023-11-19 07:41:50,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:50,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:50,913 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:41:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:50,930 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:41:50,930 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:50,931 INFO L85 PathProgramCache]: Analyzing trace with hash 1660, now seen corresponding path program 1 times [2023-11-19 07:41:50,931 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:50,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187885516] [2023-11-19 07:41:50,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:50,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:50,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:50,936 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:41:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:50,941 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:41:50,941 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:50,942 INFO L85 PathProgramCache]: Analyzing trace with hash 1271620447, now seen corresponding path program 3 times [2023-11-19 07:41:50,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:50,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2018103744] [2023-11-19 07:41:50,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:50,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:50,966 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:41:50,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:50,982 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:41:52,238 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:41:52,239 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:41:52,239 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:41:52,239 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:41:52,239 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:41:52,239 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:52,239 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:41:52,239 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:41:52,239 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.16-alloca.i_Iteration5_Lasso [2023-11-19 07:41:52,239 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:41:52,239 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:41:52,243 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 07:41:52,258 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 07:41:52,261 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 07:41:52,263 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 07:41:52,265 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 07:41:52,267 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 07:41:52,271 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 07:41:52,906 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 07:41:52,914 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 07:41:52,916 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 07:41:52,919 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 07:41:52,921 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 07:41:52,924 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 07:41:52,926 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 07:41:53,331 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:41:53,331 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:41:53,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:53,332 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:53,333 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:53,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-19 07:41:53,335 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 07:41:53,345 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:41:53,345 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:41:53,345 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:41:53,345 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:41:53,345 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:41:53,346 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:41:53,346 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:41:53,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:41:53,359 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:53,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:53,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:53,360 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:53,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-19 07:41:53,361 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 07:41:53,371 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:41:53,371 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:41:53,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:41:53,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:41:53,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:41:53,372 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:41:53,372 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:41:53,379 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:41:53,394 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:53,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:53,394 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:53,395 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:53,396 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-19 07:41:53,397 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 07:41:53,406 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:41:53,406 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:41:53,407 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:41:53,407 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:41:53,407 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:41:53,407 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:41:53,407 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:41:53,432 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:41:53,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:53,452 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:53,452 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:53,453 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:53,462 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 07:41:53,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-19 07:41:53,475 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:41:53,475 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:41:53,475 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:41:53,476 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:41:53,476 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:41:53,476 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:41:53,476 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:41:53,492 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:41:53,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:53,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:53,517 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:53,518 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:53,521 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 07:41:53,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-19 07:41:53,534 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:41:53,534 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:41:53,535 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:41:53,535 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:41:53,536 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:41:53,536 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:41:53,552 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:41:53,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:53,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:53,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:53,573 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:53,575 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-19 07:41:53,575 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 07:41:53,585 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:41:53,585 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:41:53,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:41:53,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:41:53,587 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:41:53,587 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:41:53,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:41:53,622 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2023-11-19 07:41:53,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:53,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:53,623 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:53,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-19 07:41:53,629 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 07:41:53,640 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:41:53,640 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:41:53,640 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:41:53,640 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:41:53,648 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:41:53,648 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:41:53,672 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:41:53,708 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2023-11-19 07:41:53,708 INFO L444 ModelExtractionUtils]: 2 out of 19 variables were initially zero. Simplification set additionally 13 variables to zero. [2023-11-19 07:41:53,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:41:53,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:53,714 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:41:53,716 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:41:53,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-19 07:41:53,745 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-19 07:41:53,746 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:41:53,746 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_test_fun_#t~mem6#1) = 1*ULTIMATE.start_test_fun_#t~mem6#1 Supporting invariants [1*ULTIMATE.start_test_fun_#t~mem6#1 - 1*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_4 >= 0] [2023-11-19 07:41:53,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:53,878 INFO L156 tatePredicateManager]: 25 out of 26 supporting invariants were superfluous and have been removed [2023-11-19 07:41:53,881 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated [2023-11-19 07:41:53,904 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:53,930 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 07:41:53,930 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:41:53,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:53,948 INFO L262 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 07:41:53,949 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:41:53,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 13 [2023-11-19 07:41:53,973 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 07:41:53,974 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 07:41:53,974 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 96 states and 124 transitions. cyclomatic complexity: 36 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 07:41:54,021 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 96 states and 124 transitions. cyclomatic complexity: 36. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 129 states and 165 transitions. Complement of second has 5 states. [2023-11-19 07:41:54,022 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 07:41:54,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 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 07:41:54,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 7 transitions. [2023-11-19 07:41:54,025 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 7 letters. Loop has 2 letters. [2023-11-19 07:41:54,025 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:41:54,026 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 9 letters. Loop has 2 letters. [2023-11-19 07:41:54,026 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:41:54,026 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 7 transitions. Stem has 7 letters. Loop has 4 letters. [2023-11-19 07:41:54,026 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:41:54,026 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 129 states and 165 transitions. [2023-11-19 07:41:54,030 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-19 07:41:54,036 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 129 states to 120 states and 153 transitions. [2023-11-19 07:41:54,039 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2023-11-19 07:41:54,040 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 23 [2023-11-19 07:41:54,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 120 states and 153 transitions. [2023-11-19 07:41:54,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:41:54,041 INFO L218 hiAutomatonCegarLoop]: Abstraction has 120 states and 153 transitions. [2023-11-19 07:41:54,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states and 153 transitions. [2023-11-19 07:41:54,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 98. [2023-11-19 07:41:54,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 98 states have (on average 1.2857142857142858) internal successors, (126), 97 states have internal predecessors, (126), 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 07:41:54,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 126 transitions. [2023-11-19 07:41:54,056 INFO L240 hiAutomatonCegarLoop]: Abstraction has 98 states and 126 transitions. [2023-11-19 07:41:54,058 INFO L428 stractBuchiCegarLoop]: Abstraction has 98 states and 126 transitions. [2023-11-19 07:41:54,058 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-19 07:41:54,058 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 98 states and 126 transitions. [2023-11-19 07:41:54,059 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-19 07:41:54,059 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:41:54,060 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:41:54,060 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1] [2023-11-19 07:41:54,060 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-19 07:41:54,060 INFO L748 eck$LassoCheckResult]: Stem: 1229#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1230#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet10#1, main_#t~nondet11#1, main_#t~ret12#1;havoc main_#t~nondet10#1;havoc main_#t~nondet11#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet10#1, main_#t~nondet11#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~mem8#1, test_fun_#t~mem5#1, test_fun_#t~mem9#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 1233#L555-3 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 1247#L555-1 assume !!(test_fun_#t~mem5#1 > 0);havoc test_fun_#t~mem5#1; 1242#L556-3 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 1241#L556-1 assume !!(test_fun_#t~mem6#1 > 0);havoc test_fun_#t~mem6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_#t~mem7#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem7#1; 1239#L556-3 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 1238#L556-1 assume !(test_fun_#t~mem6#1 > 0);havoc test_fun_#t~mem6#1; 1218#L556-4 call test_fun_#t~mem8#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem8#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem8#1; 1219#L555-3 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 1222#L555-1 assume !!(test_fun_#t~mem5#1 > 0);havoc test_fun_#t~mem5#1; 1291#L556-3 [2023-11-19 07:41:54,061 INFO L750 eck$LassoCheckResult]: Loop: 1291#L556-3 call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 1255#L556-1 assume !!(test_fun_#t~mem6#1 > 0);havoc test_fun_#t~mem6#1;call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(test_fun_#t~mem7#1 - 1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem7#1; 1291#L556-3 [2023-11-19 07:41:54,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:54,061 INFO L85 PathProgramCache]: Analyzing trace with hash -2038480497, now seen corresponding path program 3 times [2023-11-19 07:41:54,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:54,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773254734] [2023-11-19 07:41:54,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:54,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:54,117 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:54,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:54,124 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:41:54,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:54,142 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:41:54,143 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:54,143 INFO L85 PathProgramCache]: Analyzing trace with hash 1510, now seen corresponding path program 2 times [2023-11-19 07:41:54,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:54,144 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631176452] [2023-11-19 07:41:54,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:54,144 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:54,149 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:41:54,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:41:54,153 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:41:54,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:41:54,154 INFO L85 PathProgramCache]: Analyzing trace with hash -474670092, now seen corresponding path program 4 times [2023-11-19 07:41:54,154 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:41:54,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1770580132] [2023-11-19 07:41:54,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:41:54,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:41:54,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:41:54,543 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:41:54,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:41:54,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1770580132] [2023-11-19 07:41:54,544 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1770580132] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-19 07:41:54,544 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142350909] [2023-11-19 07:41:54,545 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-19 07:41:54,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:41:54,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:41:54,547 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:41:54,549 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2023-11-19 07:41:54,659 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-19 07:41:54,659 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-19 07:41:54,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 07:41:54,663 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:41:54,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2023-11-19 07:41:54,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-11-19 07:41:54,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-19 07:41:54,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2023-11-19 07:41:54,717 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 07:41:54,717 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:41:56,458 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-19 07:41:56,459 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 32 treesize of output 24 [2023-11-19 07:41:56,463 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 21 [2023-11-19 07:41:56,476 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 07:41:56,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [142350909] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:41:56,476 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-19 07:41:56,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 7] total 9 [2023-11-19 07:41:56,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275391326] [2023-11-19 07:41:56,477 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-19 07:41:56,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:41:56,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-19 07:41:56,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=58, Unknown=4, NotChecked=0, Total=90 [2023-11-19 07:41:56,522 INFO L87 Difference]: Start difference. First operand 98 states and 126 transitions. cyclomatic complexity: 36 Second operand has 10 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 10 states have internal predecessors, (17), 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 07:41:56,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:41:56,580 INFO L93 Difference]: Finished difference Result 87 states and 99 transitions. [2023-11-19 07:41:56,580 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 87 states and 99 transitions. [2023-11-19 07:41:56,581 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:41:56,582 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 87 states to 0 states and 0 transitions. [2023-11-19 07:41:56,582 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-19 07:41:56,582 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-19 07:41:56,582 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-19 07:41:56,582 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:41:56,582 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:41:56,583 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:41:56,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-19 07:41:56,584 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:41:56,584 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-19 07:41:56,584 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:41:56,584 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:41:56,585 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-19 07:41:56,592 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:41:56 BoogieIcfgContainer [2023-11-19 07:41:56,592 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:41:56,593 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:41:56,593 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:41:56,593 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:41:56,594 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:41:34" (3/4) ... [2023-11-19 07:41:56,596 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:41:56,597 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:41:56,598 INFO L158 Benchmark]: Toolchain (without parser) took 23529.99ms. Allocated memory was 157.3MB in the beginning and 272.6MB in the end (delta: 115.3MB). Free memory was 118.8MB in the beginning and 158.3MB in the end (delta: -39.5MB). Peak memory consumption was 76.6MB. Max. memory is 16.1GB. [2023-11-19 07:41:56,598 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 111.1MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:41:56,599 INFO L158 Benchmark]: CACSL2BoogieTranslator took 636.43ms. Allocated memory is still 157.3MB. Free memory was 118.5MB in the beginning and 102.4MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 07:41:56,599 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.71ms. Allocated memory is still 157.3MB. Free memory was 102.4MB in the beginning and 100.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:41:56,599 INFO L158 Benchmark]: Boogie Preprocessor took 57.72ms. Allocated memory is still 157.3MB. Free memory was 100.9MB in the beginning and 99.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:41:56,600 INFO L158 Benchmark]: RCFGBuilder took 502.71ms. Allocated memory is still 157.3MB. Free memory was 99.6MB in the beginning and 117.7MB in the end (delta: -18.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 07:41:56,600 INFO L158 Benchmark]: BuchiAutomizer took 22249.12ms. Allocated memory was 157.3MB in the beginning and 272.6MB in the end (delta: 115.3MB). Free memory was 117.7MB in the beginning and 159.3MB in the end (delta: -41.7MB). Peak memory consumption was 77.2MB. Max. memory is 16.1GB. [2023-11-19 07:41:56,601 INFO L158 Benchmark]: Witness Printer took 4.33ms. Allocated memory is still 272.6MB. Free memory was 159.3MB in the beginning and 158.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:41:56,603 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 111.1MB. Free memory is still 84.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 636.43ms. Allocated memory is still 157.3MB. Free memory was 118.5MB in the beginning and 102.4MB in the end (delta: 16.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.71ms. Allocated memory is still 157.3MB. Free memory was 102.4MB in the beginning and 100.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.72ms. Allocated memory is still 157.3MB. Free memory was 100.9MB in the beginning and 99.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 502.71ms. Allocated memory is still 157.3MB. Free memory was 99.6MB in the beginning and 117.7MB in the end (delta: -18.1MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * BuchiAutomizer took 22249.12ms. Allocated memory was 157.3MB in the beginning and 272.6MB in the end (delta: 115.3MB). Free memory was 117.7MB in the beginning and 159.3MB in the end (delta: -41.7MB). Peak memory consumption was 77.2MB. Max. memory is 16.1GB. * Witness Printer took 4.33ms. Allocated memory is still 272.6MB. Free memory was 159.3MB in the beginning and 158.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~x_ref~0!base][~x_ref~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~x_ref~0!base][~x_ref~0!offset] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #memory_int[~x_ref~0!base][0] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem6 could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 6 terminating modules (2 trivial, 4 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function null and consists of 8 locations. One deterministic module has affine ranking function null and consists of 10 locations. One deterministic module has affine ranking function null and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 10 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 22.1s and 7 iterations. TraceHistogramMax:2. Analysis of lassos took 16.3s. Construction of modules took 0.3s. Büchi inclusion checks took 5.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 4. Automata minimization 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 53 StatesRemovedByMinimization, 4 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 [4, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 1/4 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 51 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 50 mSDsluCounter, 61 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 25 mSDsCounter, 33 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 167 IncrementalHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 33 mSolverCounterUnsat, 36 mSDtfsCounter, 167 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso4 LassoPreprocessingBenchmarks: Lassos: inital375 mio100 ax105 hnf100 lsp92 ukn51 mio100 lsp23 div100 bol100 ite100 ukn100 eq193 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 39ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: 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! [2023-11-19 07:41:56,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Forceful destruction successful, exit code 0 [2023-11-19 07:41:56,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36bfa5b0-22ca-4cb2-a155-e282695c9dd5/bin/uautomizer-verify-uCwYo4JHxu/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