./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/a.05-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/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_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/a.05-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/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_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/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 5dfaa1e7d8e11d61c3d4d0b8b3724f22fd323b68a720b01bc26596e3781d27f8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:50:29,030 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:50:29,147 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Termination-64bit-Automizer_Default.epf [2023-11-19 07:50:29,159 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:50:29,160 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:50:29,208 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:50:29,210 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:50:29,210 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:50:29,212 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:50:29,216 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:50:29,217 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:50:29,217 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-19 07:50:29,218 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-19 07:50:29,220 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-19 07:50:29,220 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-19 07:50:29,221 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-19 07:50:29,221 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-19 07:50:29,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:50:29,222 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-19 07:50:29,223 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:50:29,223 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:50:29,224 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-19 07:50:29,224 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-19 07:50:29,224 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-19 07:50:29,225 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 07:50:29,225 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:50:29,226 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-19 07:50:29,226 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:50:29,226 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:50:29,233 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:50:29,234 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:50:29,234 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:50:29,236 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-19 07:50:29,236 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_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5dfaa1e7d8e11d61c3d4d0b8b3724f22fd323b68a720b01bc26596e3781d27f8 [2023-11-19 07:50:29,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:50:29,541 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:50:29,543 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:50:29,545 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:50:29,547 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:50:29,549 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/termination-memory-alloca/a.05-alloca.i [2023-11-19 07:50:32,561 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:50:32,819 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:50:32,819 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/sv-benchmarks/c/termination-memory-alloca/a.05-alloca.i [2023-11-19 07:50:32,833 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/data/3e578fb8a/12983ca5b5204de2815acd997ab917b2/FLAG8c1c797b0 [2023-11-19 07:50:32,847 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/data/3e578fb8a/12983ca5b5204de2815acd997ab917b2 [2023-11-19 07:50:32,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:50:32,851 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:50:32,852 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:50:32,853 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:50:32,858 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:50:32,859 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:50:32" (1/1) ... [2023-11-19 07:50:32,860 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32ee6881 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:32, skipping insertion in model container [2023-11-19 07:50:32,860 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:50:32" (1/1) ... [2023-11-19 07:50:32,899 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:50:33,234 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:50:33,251 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:50:33,312 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:50:33,350 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:50:33,351 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:33 WrapperNode [2023-11-19 07:50:33,351 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:50:33,352 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:50:33,353 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:50:33,353 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:50:33,360 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:33" (1/1) ... [2023-11-19 07:50:33,381 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:33" (1/1) ... [2023-11-19 07:50:33,405 INFO L138 Inliner]: procedures = 111, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 60 [2023-11-19 07:50:33,406 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:50:33,407 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:50:33,407 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:50:33,407 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:50:33,416 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:33" (1/1) ... [2023-11-19 07:50:33,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:33" (1/1) ... [2023-11-19 07:50:33,436 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:33" (1/1) ... [2023-11-19 07:50:33,436 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:33" (1/1) ... [2023-11-19 07:50:33,440 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:33" (1/1) ... [2023-11-19 07:50:33,443 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:33" (1/1) ... [2023-11-19 07:50:33,445 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:33" (1/1) ... [2023-11-19 07:50:33,446 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:33" (1/1) ... [2023-11-19 07:50:33,456 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:50:33,457 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:50:33,457 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:50:33,457 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:50:33,458 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:33" (1/1) ... [2023-11-19 07:50:33,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:50:33,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:50:33,492 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:50:33,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-19 07:50:33,540 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 07:50:33,540 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 07:50:33,540 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 07:50:33,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 07:50:33,541 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:50:33,541 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:50:33,695 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:50:33,697 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:50:33,843 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:50:33,850 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:50:33,850 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:50:33,853 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:33 BoogieIcfgContainer [2023-11-19 07:50:33,853 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:50:33,854 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-19 07:50:33,855 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-19 07:50:33,858 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-19 07:50:33,859 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:50:33,859 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.11 07:50:32" (1/3) ... [2023-11-19 07:50:33,860 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e5c20dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:50:33, skipping insertion in model container [2023-11-19 07:50:33,861 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:50:33,861 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:50:33" (2/3) ... [2023-11-19 07:50:33,861 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6e5c20dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.11 07:50:33, skipping insertion in model container [2023-11-19 07:50:33,861 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-19 07:50:33,861 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:33" (3/3) ... [2023-11-19 07:50:33,863 INFO L332 chiAutomizerObserver]: Analyzing ICFG a.05-alloca.i [2023-11-19 07:50:33,917 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-19 07:50:33,918 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-19 07:50:33,918 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-19 07:50:33,918 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-19 07:50:33,918 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-19 07:50:33,918 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-19 07:50:33,919 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-19 07:50:33,919 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-19 07:50:33,923 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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 07:50:33,942 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 07:50:33,943 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:50:33,943 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:50:33,948 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:50:33,948 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:50:33,949 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-19 07:50:33,949 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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 07:50:33,950 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 07:50:33,950 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:50:33,950 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:50:33,951 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-19 07:50:33,951 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:50:33,959 INFO L748 eck$LassoCheckResult]: Stem: 6#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~ret13#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet11#1, main_#t~nondet12#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset, test_fun_#t~mem9#1, test_fun_#t~mem5#1, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~short8#1, test_fun_#t~mem10#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, test_fun_~c~0#1.base, test_fun_~c~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset := #Ultimate.allocOnStack(4);test_fun_~c~0#1.base, test_fun_~c~0#1.offset := test_fun_#t~malloc4#1.base, test_fun_#t~malloc4#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(0, test_fun_~c~0#1.base, test_fun_~c~0#1.offset, 4); 8#L555-5true [2023-11-19 07:50:33,959 INFO L750 eck$LassoCheckResult]: Loop: 8#L555-5true call test_fun_#t~mem5#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 < 2147483647; 10#L555-1true assume test_fun_#t~short8#1;call test_fun_#t~mem7#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem7#1 >= 1 + test_fun_#t~mem6#1; 3#L555-3true assume !!test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~short8#1;call test_fun_#t~mem9#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem9#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem9#1; 8#L555-5true [2023-11-19 07:50:33,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:33,966 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-19 07:50:33,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:33,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698885878] [2023-11-19 07:50:33,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:33,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:34,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:50:34,139 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:50:34,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:50:34,187 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:50:34,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:34,190 INFO L85 PathProgramCache]: Analyzing trace with hash 36846, now seen corresponding path program 1 times [2023-11-19 07:50:34,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:34,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747480542] [2023-11-19 07:50:34,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:34,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:34,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:50:34,210 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:50:34,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:50:34,225 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:50:34,227 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:34,227 INFO L85 PathProgramCache]: Analyzing trace with hash 28695788, now seen corresponding path program 1 times [2023-11-19 07:50:34,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:34,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259829174] [2023-11-19 07:50:34,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:34,228 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:50:34,286 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:50:34,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:50:34,332 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:50:35,447 INFO L210 LassoAnalysis]: Preferences: [2023-11-19 07:50:35,449 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-19 07:50:35,449 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-19 07:50:35,449 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-19 07:50:35,449 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-19 07:50:35,449 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:50:35,449 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-19 07:50:35,450 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-19 07:50:35,450 INFO L133 ssoRankerPreferences]: Filename of dumped script: a.05-alloca.i_Iteration1_Lasso [2023-11-19 07:50:35,450 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-19 07:50:35,450 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-19 07:50:35,476 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 07:50:35,486 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 07:50:35,489 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 07:50:35,492 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 07:50:35,497 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 07:50:36,200 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 07:50:36,203 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 07:50:36,205 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 07:50:36,209 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 07:50:36,211 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 07:50:36,214 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 07:50:36,217 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 07:50:36,219 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 07:50:36,713 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-19 07:50:36,719 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-19 07:50:36,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:50:36,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:50:36,723 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:50:36,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-19 07:50:36,743 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 07:50:36,757 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:50:36,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:50:36,758 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:50:36,758 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:50:36,758 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:50:36,761 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:50:36,761 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:50:36,778 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:50:36,801 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:50:36,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:50:36,802 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:50:36,803 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:50:36,810 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 07:50:36,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-19 07:50:36,822 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:50:36,822 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:50:36,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:50:36,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:50:36,823 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:50:36,823 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:50:36,823 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:50:36,833 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:50:36,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-19 07:50:36,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:50:36,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:50:36,853 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:50:36,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-19 07:50:36,854 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 07:50:36,865 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:50:36,865 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-19 07:50:36,866 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:50:36,866 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:50:36,866 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:50:36,866 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-19 07:50:36,867 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-19 07:50:36,868 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:50:36,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:50:36,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:50:36,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:50:36,881 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:50:36,882 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-19 07:50:36,884 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 07:50:36,894 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:50:36,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:50:36,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:50:36,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:50:36,901 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:50:36,901 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:50:36,920 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:50:36,943 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2023-11-19 07:50:36,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:50:36,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:50:36,946 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:50:36,957 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 07:50:36,969 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:50:36,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:50:36,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:50:36,970 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:50:36,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-19 07:50:36,974 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:50:36,974 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:50:36,985 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:50:37,008 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-19 07:50:37,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:50:37,008 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:50:37,010 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:50:37,017 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 07:50:37,029 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:50:37,029 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:50:37,029 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:50:37,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:50:37,034 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:50:37,034 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:50:37,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-19 07:50:37,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:50:37,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-19 07:50:37,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:50:37,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:50:37,074 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:50:37,081 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 07:50:37,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:50:37,093 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:50:37,093 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:50:37,093 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:50:37,096 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:50:37,097 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:50:37,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-19 07:50:37,108 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:50:37,128 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-19 07:50:37,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:50:37,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:50:37,130 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:50:37,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-19 07:50:37,144 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 07:50:37,157 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:50:37,157 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:50:37,157 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:50:37,157 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:50:37,167 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:50:37,167 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:50:37,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:50:37,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-19 07:50:37,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:50:37,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:50:37,213 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:50:37,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-19 07:50:37,216 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 07:50:37,226 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:50:37,226 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:50:37,226 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:50:37,226 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:50:37,230 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:50:37,231 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:50:37,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:50:37,264 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-19 07:50:37,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:50:37,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:50:37,265 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:50:37,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-19 07:50:37,275 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 07:50:37,288 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:50:37,288 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:50:37,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:50:37,289 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:50:37,296 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:50:37,296 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:50:37,316 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:50:37,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-19 07:50:37,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:50:37,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:50:37,340 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:50:37,349 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 07:50:37,361 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:50:37,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:50:37,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:50:37,362 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:50:37,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-19 07:50:37,372 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:50:37,373 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:50:37,396 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:50:37,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-19 07:50:37,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:50:37,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:50:37,421 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:50:37,428 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 07:50:37,441 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:50:37,441 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:50:37,441 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:50:37,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:50:37,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-19 07:50:37,451 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:50:37,452 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:50:37,476 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:50:37,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-19 07:50:37,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:50:37,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:50:37,500 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:50:37,503 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 07:50:37,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:50:37,515 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:50:37,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:50:37,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:50:37,518 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:50:37,518 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:50:37,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-19 07:50:37,528 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:50:37,551 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-19 07:50:37,551 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:50:37,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:50:37,552 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:50:37,561 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 07:50:37,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:50:37,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:50:37,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:50:37,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:50:37,577 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:50:37,577 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:50:37,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-19 07:50:37,596 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-19 07:50:37,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-19 07:50:37,618 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:50:37,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:50:37,620 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:50:37,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-19 07:50:37,629 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 07:50:37,641 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-19 07:50:37,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-19 07:50:37,642 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-19 07:50:37,642 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-19 07:50:37,654 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-19 07:50:37,654 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-19 07:50:37,676 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-19 07:50:37,740 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2023-11-19 07:50:37,740 INFO L444 ModelExtractionUtils]: 9 out of 28 variables were initially zero. Simplification set additionally 16 variables to zero. [2023-11-19 07:50:37,742 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-19 07:50:37,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:50:37,781 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-19 07:50:37,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-19 07:50:37,783 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-19 07:50:37,821 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-19 07:50:37,821 INFO L513 LassoAnalysis]: Proved termination. [2023-11-19 07:50:37,821 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_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) = -4294967294*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_1 + 4294967293*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 07:50:37,840 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-19 07:50:37,952 INFO L156 tatePredicateManager]: 23 out of 23 supporting invariants were superfluous and have been removed [2023-11-19 07:50:37,960 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~x_ref~0!base][~x_ref~0!offset] could not be translated [2023-11-19 07:50:37,961 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int[~y_ref~0!base][~y_ref~0!offset] could not be translated [2023-11-19 07:50:37,978 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:38,007 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 07:50:38,008 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:50:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:38,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 32 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 07:50:38,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:50:38,171 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 07:50:38,204 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 07:50:38,206 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:50:38,312 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 36 transitions. Complement of second has 10 states. [2023-11-19 07:50:38,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2023-11-19 07:50:38,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:50:38,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 18 transitions. [2023-11-19 07:50:38,321 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 2 letters. Loop has 3 letters. [2023-11-19 07:50:38,322 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:50:38,322 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 5 letters. Loop has 3 letters. [2023-11-19 07:50:38,322 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:50:38,322 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 18 transitions. Stem has 2 letters. Loop has 6 letters. [2023-11-19 07:50:38,323 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-19 07:50:38,323 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 36 transitions. [2023-11-19 07:50:38,326 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 07:50:38,334 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 12 states and 15 transitions. [2023-11-19 07:50:38,335 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2023-11-19 07:50:38,335 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 7 [2023-11-19 07:50:38,336 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 15 transitions. [2023-11-19 07:50:38,336 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-19 07:50:38,336 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2023-11-19 07:50:38,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-19 07:50:38,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 15 transitions. [2023-11-19 07:50:38,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2023-11-19 07:50:38,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:50:38,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2023-11-19 07:50:38,362 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2023-11-19 07:50:38,362 INFO L428 stractBuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2023-11-19 07:50:38,362 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-19 07:50:38,362 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2023-11-19 07:50:38,363 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-19 07:50:38,363 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-19 07:50:38,363 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-19 07:50:38,363 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2023-11-19 07:50:38,364 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-19 07:50:38,364 INFO L748 eck$LassoCheckResult]: Stem: 181#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 182#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet11#1, main_#t~nondet12#1, main_#t~ret13#1;havoc main_#t~nondet11#1;havoc main_#t~nondet12#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet11#1, main_#t~nondet12#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~mem9#1, test_fun_#t~mem5#1, test_fun_#t~mem7#1, test_fun_#t~mem6#1, test_fun_#t~short8#1, test_fun_#t~mem10#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); 186#L555-5 call test_fun_#t~mem5#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 < 2147483647; 183#L555-1 [2023-11-19 07:50:38,364 INFO L750 eck$LassoCheckResult]: Loop: 183#L555-1 assume !test_fun_#t~short8#1; 177#L555-3 assume !!test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~short8#1;call test_fun_#t~mem9#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(1 + test_fun_#t~mem9#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem9#1; 178#L555-5 call test_fun_#t~mem5#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 < 2147483647; 183#L555-1 [2023-11-19 07:50:38,364 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:38,365 INFO L85 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2023-11-19 07:50:38,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:38,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [237395056] [2023-11-19 07:50:38,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:38,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:38,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:50:38,392 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:50:38,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:50:38,411 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:50:38,412 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:50:38,412 INFO L85 PathProgramCache]: Analyzing trace with hash 41888, now seen corresponding path program 1 times [2023-11-19 07:50:38,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:50:38,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1310324262] [2023-11-19 07:50:38,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:50:38,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:50:38,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:50:38,452 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 07:50:38,453 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:50:38,453 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1310324262] [2023-11-19 07:50:38,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1310324262] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:50:38,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:50:38,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:50:38,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885327207] [2023-11-19 07:50:38,455 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:50:38,457 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-19 07:50:38,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:50:38,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 07:50:38,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 07:50:38,461 INFO L87 Difference]: Start difference. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 07:50:38,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:50:38,473 INFO L93 Difference]: Finished difference Result 9 states and 10 transitions. [2023-11-19 07:50:38,474 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 10 transitions. [2023-11-19 07:50:38,474 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:50:38,474 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2023-11-19 07:50:38,475 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-19 07:50:38,475 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-19 07:50:38,475 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-19 07:50:38,475 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-19 07:50:38,475 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:50:38,475 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:50:38,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 07:50:38,476 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 07:50:38,477 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-19 07:50:38,477 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-19 07:50:38,477 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-19 07:50:38,477 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-19 07:50:38,485 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.11 07:50:38 BoogieIcfgContainer [2023-11-19 07:50:38,485 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-19 07:50:38,485 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:50:38,485 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:50:38,486 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:50:38,486 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:50:33" (3/4) ... [2023-11-19 07:50:38,488 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:50:38,489 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:50:38,490 INFO L158 Benchmark]: Toolchain (without parser) took 5638.61ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 127.2MB in the beginning and 140.9MB in the end (delta: -13.7MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2023-11-19 07:50:38,490 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 125.8MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:50:38,491 INFO L158 Benchmark]: CACSL2BoogieTranslator took 498.84ms. Allocated memory is still 157.3MB. Free memory was 127.2MB in the beginning and 111.3MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 07:50:38,491 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.58ms. Allocated memory is still 157.3MB. Free memory was 111.3MB in the beginning and 109.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:50:38,492 INFO L158 Benchmark]: Boogie Preprocessor took 49.21ms. Allocated memory is still 157.3MB. Free memory was 109.3MB in the beginning and 108.5MB in the end (delta: 720.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:50:38,492 INFO L158 Benchmark]: RCFGBuilder took 396.67ms. Allocated memory is still 157.3MB. Free memory was 107.9MB in the beginning and 119.3MB in the end (delta: -11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 07:50:38,493 INFO L158 Benchmark]: BuchiAutomizer took 4630.43ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 118.7MB in the beginning and 142.0MB in the end (delta: -23.3MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. [2023-11-19 07:50:38,493 INFO L158 Benchmark]: Witness Printer took 3.77ms. Allocated memory is still 188.7MB. Free memory is still 140.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:50:38,496 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 125.8MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 498.84ms. Allocated memory is still 157.3MB. Free memory was 127.2MB in the beginning and 111.3MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.58ms. Allocated memory is still 157.3MB. Free memory was 111.3MB in the beginning and 109.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.21ms. Allocated memory is still 157.3MB. Free memory was 109.3MB in the beginning and 108.5MB in the end (delta: 720.0kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 396.67ms. Allocated memory is still 157.3MB. Free memory was 107.9MB in the beginning and 119.3MB in the end (delta: -11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 4630.43ms. Allocated memory was 157.3MB in the beginning and 188.7MB in the end (delta: 31.5MB). Free memory was 118.7MB in the beginning and 142.0MB in the end (delta: -23.3MB). Peak memory consumption was 10.3MB. Max. memory is 16.1GB. * Witness Printer took 3.77ms. Allocated memory is still 188.7MB. Free memory is still 140.9MB. 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[~y_ref~0!base][~y_ref~0!offset] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (1 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 6 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.5s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 4.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 1 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 10 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 28 IncrementalHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 9 mSDtfsCounter, 28 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI1 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital259 mio100 ax106 hnf100 lsp93 ukn67 mio100 lsp27 div100 bol100 ite100 ukn100 eq191 hnf88 smp100 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 40ms 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 07:50:38,545 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d2ae002-53d1-4cf0-a407-0659d47e5b0f/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE