./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/reducercommutativity/rangesum05.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/reducercommutativity/rangesum05.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash aee69f990ab81a58f1fe8cd275c8a09f43ca6a442f73810f885d3d0c9a85d2b3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 23:12:03,259 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 23:12:03,387 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-06 23:12:03,400 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 23:12:03,401 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 23:12:03,455 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 23:12:03,456 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 23:12:03,456 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 23:12:03,457 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 23:12:03,458 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 23:12:03,459 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 23:12:03,459 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-06 23:12:03,460 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-06 23:12:03,461 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-06 23:12:03,461 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-06 23:12:03,462 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-06 23:12:03,462 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-06 23:12:03,463 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 23:12:03,463 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-06 23:12:03,464 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 23:12:03,465 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 23:12:03,465 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 23:12:03,466 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 23:12:03,466 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-06 23:12:03,467 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-06 23:12:03,467 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-06 23:12:03,468 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 23:12:03,468 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 23:12:03,468 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 23:12:03,469 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-06 23:12:03,469 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 23:12:03,470 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 23:12:03,470 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 23:12:03,471 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 23:12:03,471 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 23:12:03,481 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-06 23:12:03,482 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_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aee69f990ab81a58f1fe8cd275c8a09f43ca6a442f73810f885d3d0c9a85d2b3 [2023-11-06 23:12:03,803 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 23:12:03,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 23:12:03,842 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 23:12:03,844 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 23:12:03,844 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 23:12:03,846 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/reducercommutativity/rangesum05.i [2023-11-06 23:12:07,149 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 23:12:07,486 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 23:12:07,487 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/sv-benchmarks/c/reducercommutativity/rangesum05.i [2023-11-06 23:12:07,496 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/data/17dbde587/997932a98b664d1bac86437cac69be4e/FLAG2620b657c [2023-11-06 23:12:07,513 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/data/17dbde587/997932a98b664d1bac86437cac69be4e [2023-11-06 23:12:07,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 23:12:07,518 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 23:12:07,520 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 23:12:07,520 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 23:12:07,526 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 23:12:07,527 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:12:07" (1/1) ... [2023-11-06 23:12:07,529 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53cc9e89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:07, skipping insertion in model container [2023-11-06 23:12:07,529 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 11:12:07" (1/1) ... [2023-11-06 23:12:07,555 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 23:12:07,726 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:12:07,739 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 23:12:07,763 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 23:12:07,782 INFO L206 MainTranslator]: Completed translation [2023-11-06 23:12:07,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:07 WrapperNode [2023-11-06 23:12:07,782 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 23:12:07,784 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 23:12:07,784 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 23:12:07,784 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 23:12:07,794 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:07" (1/1) ... [2023-11-06 23:12:07,805 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:07" (1/1) ... [2023-11-06 23:12:07,839 INFO L138 Inliner]: procedures = 17, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 139 [2023-11-06 23:12:07,840 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 23:12:07,841 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 23:12:07,841 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 23:12:07,841 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 23:12:07,855 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:07" (1/1) ... [2023-11-06 23:12:07,859 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:07" (1/1) ... [2023-11-06 23:12:07,864 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:07" (1/1) ... [2023-11-06 23:12:07,872 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:07" (1/1) ... [2023-11-06 23:12:07,881 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:07" (1/1) ... [2023-11-06 23:12:07,888 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:07" (1/1) ... [2023-11-06 23:12:07,890 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:07" (1/1) ... [2023-11-06 23:12:07,892 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:07" (1/1) ... [2023-11-06 23:12:07,896 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 23:12:07,897 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 23:12:07,897 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 23:12:07,903 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 23:12:07,904 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:07" (1/1) ... [2023-11-06 23:12:07,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:07,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:07,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:07,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-06 23:12:07,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 23:12:07,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 23:12:07,995 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 23:12:07,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 23:12:07,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 23:12:07,996 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 23:12:07,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 23:12:07,996 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 23:12:08,083 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 23:12:08,085 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 23:12:08,418 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 23:12:08,425 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 23:12:08,425 INFO L302 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-06 23:12:08,428 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:12:08 BoogieIcfgContainer [2023-11-06 23:12:08,433 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 23:12:08,434 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-06 23:12:08,434 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-06 23:12:08,439 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-06 23:12:08,442 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 23:12:08,442 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.11 11:12:07" (1/3) ... [2023-11-06 23:12:08,443 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@540dd931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 11:12:08, skipping insertion in model container [2023-11-06 23:12:08,444 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 23:12:08,445 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 11:12:07" (2/3) ... [2023-11-06 23:12:08,445 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@540dd931 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.11 11:12:08, skipping insertion in model container [2023-11-06 23:12:08,447 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-06 23:12:08,448 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:12:08" (3/3) ... [2023-11-06 23:12:08,450 INFO L332 chiAutomizerObserver]: Analyzing ICFG rangesum05.i [2023-11-06 23:12:08,540 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-06 23:12:08,541 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-06 23:12:08,541 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-06 23:12:08,542 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-06 23:12:08,542 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-06 23:12:08,542 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-06 23:12:08,543 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-06 23:12:08,543 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-06 23:12:08,551 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 30 states, 29 states have (on average 1.6206896551724137) internal successors, (47), 29 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:08,581 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 13 [2023-11-06 23:12:08,581 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 23:12:08,583 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 23:12:08,592 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 23:12:08,592 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 23:12:08,593 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-06 23:12:08,593 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 30 states, 29 states have (on average 1.6206896551724137) internal successors, (47), 29 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:08,602 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 13 [2023-11-06 23:12:08,602 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 23:12:08,602 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 23:12:08,603 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-06 23:12:08,603 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 23:12:08,613 INFO L748 eck$LassoCheckResult]: Stem: 26#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0; 23#L17-3true [2023-11-06 23:12:08,613 INFO L750 eck$LassoCheckResult]: Loop: 23#L17-3true assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 11#L17-2true init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 23#L17-3true [2023-11-06 23:12:08,620 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:08,621 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-06 23:12:08,633 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:08,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572853250] [2023-11-06 23:12:08,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:08,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:08,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:08,741 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:12:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:08,778 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:12:08,781 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:08,782 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2023-11-06 23:12:08,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:08,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428059198] [2023-11-06 23:12:08,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:08,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:08,796 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:12:08,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:08,806 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:12:08,808 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:08,809 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2023-11-06 23:12:08,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:08,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667367121] [2023-11-06 23:12:08,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:08,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:08,837 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:12:08,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:08,858 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:12:09,414 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 23:12:09,415 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 23:12:09,415 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 23:12:09,415 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 23:12:09,416 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 23:12:09,416 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:09,416 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 23:12:09,417 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 23:12:09,417 INFO L133 ssoRankerPreferences]: Filename of dumped script: rangesum05.i_Iteration1_Lasso [2023-11-06 23:12:09,417 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 23:12:09,417 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 23:12:09,439 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:09,452 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:09,456 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:09,460 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:09,464 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:09,468 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:09,472 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:09,476 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:09,481 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:09,488 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:09,493 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:09,500 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:09,505 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:09,512 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:09,517 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:09,521 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:09,897 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:09,900 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:09,903 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:10,277 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 23:12:10,282 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 23:12:10,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:10,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:10,290 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:10,303 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 [2023-11-06 23:12:10,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-06 23:12:10,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:10,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:12:10,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:10,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:10,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:10,324 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:12:10,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:12:10,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:10,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:10,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:10,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:10,350 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:10,361 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:12:10,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:10,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:12:10,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:10,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:10,377 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:10,379 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:12:10,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:12:10,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-06 23:12:10,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:10,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:10,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:10,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:10,404 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:10,414 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 [2023-11-06 23:12:10,428 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-06 23:12:10,429 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:10,429 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:12:10,430 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:10,430 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:10,430 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:10,432 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:12:10,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:12:10,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:10,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:10,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:10,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:10,459 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:10,473 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 [2023-11-06 23:12:10,483 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-06 23:12:10,487 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:10,487 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:12:10,488 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:10,488 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:10,488 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:10,489 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:12:10,489 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:12:10,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:10,507 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:10,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:10,508 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:10,509 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:10,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-06 23:12:10,515 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 [2023-11-06 23:12:10,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:10,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:12:10,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:10,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:10,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:10,527 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:12:10,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:12:10,534 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:10,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:10,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:10,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:10,542 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:10,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-06 23:12:10,557 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 [2023-11-06 23:12:10,570 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:10,570 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:12:10,570 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:10,571 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:10,571 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:10,572 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:12:10,572 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:12:10,578 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:10,582 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:10,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:10,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:10,584 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:10,603 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-06 23:12:10,604 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 [2023-11-06 23:12:10,614 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:10,614 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:12:10,614 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:10,615 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:10,615 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:10,615 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:12:10,615 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:12:10,617 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:10,624 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:10,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:10,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:10,626 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:10,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-06 23:12:10,629 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 [2023-11-06 23:12:10,639 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:10,639 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:12:10,639 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:10,639 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:10,639 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:10,640 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:12:10,640 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:12:10,641 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:10,645 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2023-11-06 23:12:10,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:10,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:10,651 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:10,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-06 23:12:10,656 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 [2023-11-06 23:12:10,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:10,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:10,669 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:10,669 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:10,676 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:12:10,676 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:12:10,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:10,705 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:10,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:10,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:10,709 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:10,716 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 [2023-11-06 23:12:10,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-06 23:12:10,730 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:10,731 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:10,731 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:10,731 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:10,734 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:12:10,734 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:12:10,745 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:10,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:10,754 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:10,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:10,756 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:10,769 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 [2023-11-06 23:12:10,782 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-06 23:12:10,783 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:10,783 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:12:10,783 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:10,783 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:10,783 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:10,784 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:12:10,784 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:12:10,803 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:10,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:10,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:10,816 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:10,818 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:10,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-06 23:12:10,824 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 [2023-11-06 23:12:10,838 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:10,838 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:12:10,839 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:10,839 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:10,839 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:10,840 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:12:10,840 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:12:10,855 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:10,859 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:10,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:10,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:10,861 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:10,871 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-06 23:12:10,872 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 [2023-11-06 23:12:10,884 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:10,884 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:12:10,885 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:10,885 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:10,885 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:10,886 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:12:10,886 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:12:10,891 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:10,903 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:10,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:10,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:10,906 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:10,925 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 [2023-11-06 23:12:10,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-06 23:12:10,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:10,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:12:10,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:10,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:10,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:10,941 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:12:10,941 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:12:10,955 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:10,964 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:10,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:10,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:10,966 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:10,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-06 23:12:10,971 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 [2023-11-06 23:12:10,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:10,983 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:12:10,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:10,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:10,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:10,984 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:12:10,984 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:12:10,985 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:10,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:10,990 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:10,990 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:10,991 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:10,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-06 23:12:10,996 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 [2023-11-06 23:12:11,009 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:11,009 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:12:11,010 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:11,010 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:11,010 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:11,011 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:12:11,011 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:12:11,035 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:11,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:11,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:11,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:11,041 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:11,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-06 23:12:11,048 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 [2023-11-06 23:12:11,060 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:11,060 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:11,060 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:11,061 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:11,064 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:12:11,064 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:12:11,083 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:11,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:11,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:11,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:11,089 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:11,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-06 23:12:11,101 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 [2023-11-06 23:12:11,114 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:11,114 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:11,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:11,115 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:11,120 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:12:11,120 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:12:11,139 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:11,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:11,149 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:11,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:11,150 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:11,168 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 [2023-11-06 23:12:11,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-06 23:12:11,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:11,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:11,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:11,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:11,186 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:12:11,186 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:12:11,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:11,208 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:11,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:11,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:11,210 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:11,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-06 23:12:11,216 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 [2023-11-06 23:12:11,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:11,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:11,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:11,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:11,232 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:12:11,232 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:12:11,244 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:11,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:11,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:11,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:11,255 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:11,260 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 [2023-11-06 23:12:11,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-06 23:12:11,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:11,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:11,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:11,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:11,280 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:12:11,280 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:12:11,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:11,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:11,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:11,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:11,306 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:11,310 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 [2023-11-06 23:12:11,323 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-06 23:12:11,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:11,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:11,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:11,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:11,328 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:12:11,329 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:12:11,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:11,350 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:11,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:11,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:11,352 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:11,357 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 [2023-11-06 23:12:11,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-06 23:12:11,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:11,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:11,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:11,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:11,376 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:12:11,376 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:12:11,395 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:11,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:11,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:11,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:11,406 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:11,411 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 [2023-11-06 23:12:11,425 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-06 23:12:11,425 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:11,426 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:11,426 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:11,426 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:11,430 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:12:11,430 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:12:11,455 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:11,464 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:11,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:11,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:11,467 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:11,473 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 [2023-11-06 23:12:11,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-06 23:12:11,485 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:11,486 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:11,486 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:11,486 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:11,492 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:12:11,492 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:12:11,507 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 23:12:11,569 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2023-11-06 23:12:11,570 INFO L444 ModelExtractionUtils]: 1 out of 16 variables were initially zero. Simplification set additionally 12 variables to zero. [2023-11-06 23:12:11,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:11,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:11,615 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:11,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-06 23:12:11,620 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 23:12:11,643 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-06 23:12:11,644 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 23:12:11,644 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_init_nondet_~x#1.base)_1, ULTIMATE.start_init_nondet_~i~0#1) = 9*v_rep(select #length ULTIMATE.start_init_nondet_~x#1.base)_1 - 8*ULTIMATE.start_init_nondet_~i~0#1 Supporting invariants [] [2023-11-06 23:12:11,657 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:11,703 INFO L156 tatePredicateManager]: 9 out of 9 supporting invariants were superfluous and have been removed [2023-11-06 23:12:11,714 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~x!base] could not be translated [2023-11-06 23:12:11,733 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:11,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:12:11,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:11,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:11,789 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 23:12:11,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:11,837 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:11,872 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-06 23:12:11,874 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 30 states, 29 states have (on average 1.6206896551724137) internal successors, (47), 29 states have internal predecessors, (47), 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 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:11,943 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 30 states, 29 states have (on average 1.6206896551724137) internal successors, (47), 29 states have internal predecessors, (47), 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 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 59 states and 95 transitions. Complement of second has 8 states. [2023-11-06 23:12:11,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-06 23:12:11,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:11,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 47 transitions. [2023-11-06 23:12:11,961 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 2 letters. Loop has 2 letters. [2023-11-06 23:12:11,962 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:12:11,962 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-06 23:12:11,962 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:12:11,962 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 47 transitions. Stem has 2 letters. Loop has 4 letters. [2023-11-06 23:12:11,963 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:12:11,964 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 95 transitions. [2023-11-06 23:12:11,979 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2023-11-06 23:12:11,983 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 22 states and 35 transitions. [2023-11-06 23:12:11,985 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2023-11-06 23:12:11,985 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2023-11-06 23:12:11,986 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 35 transitions. [2023-11-06 23:12:11,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:12:11,986 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 35 transitions. [2023-11-06 23:12:12,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 35 transitions. [2023-11-06 23:12:12,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2023-11-06 23:12:12,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.5909090909090908) internal successors, (35), 21 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:12,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 35 transitions. [2023-11-06 23:12:12,016 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 35 transitions. [2023-11-06 23:12:12,016 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 35 transitions. [2023-11-06 23:12:12,016 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-06 23:12:12,016 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 35 transitions. [2023-11-06 23:12:12,017 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2023-11-06 23:12:12,017 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 23:12:12,017 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 23:12:12,018 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-06 23:12:12,018 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 23:12:12,018 INFO L748 eck$LassoCheckResult]: Stem: 183#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 180#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0; 177#L17-3 assume !(init_nondet_~i~0#1 < 5); 171#L15 havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;havoc init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;assume { :end_inline_init_nondet } true;havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 172#L28-3 [2023-11-06 23:12:12,018 INFO L750 eck$LassoCheckResult]: Loop: 172#L28-3 assume !!(rangesum_~i~1#1 < 5); 173#L29 assume rangesum_~i~1#1 > 2;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 174#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 172#L28-3 [2023-11-06 23:12:12,019 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:12,019 INFO L85 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2023-11-06 23:12:12,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:12,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [589102394] [2023-11-06 23:12:12,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:12,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:12,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:12,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:12,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:12,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [589102394] [2023-11-06 23:12:12,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [589102394] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:12,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:12:12,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:12:12,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920678639] [2023-11-06 23:12:12,095 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:12,097 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 23:12:12,097 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:12,097 INFO L85 PathProgramCache]: Analyzing trace with hash 53723, now seen corresponding path program 1 times [2023-11-06 23:12:12,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:12,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476888413] [2023-11-06 23:12:12,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:12,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:12,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:12,105 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:12:12,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:12,113 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:12:12,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:12,186 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:12:12,186 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:12:12,188 INFO L87 Difference]: Start difference. First operand 22 states and 35 transitions. cyclomatic complexity: 18 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:12,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:12:12,205 INFO L93 Difference]: Finished difference Result 23 states and 32 transitions. [2023-11-06 23:12:12,205 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 32 transitions. [2023-11-06 23:12:12,207 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2023-11-06 23:12:12,207 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 32 transitions. [2023-11-06 23:12:12,207 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2023-11-06 23:12:12,208 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2023-11-06 23:12:12,208 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 32 transitions. [2023-11-06 23:12:12,208 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:12:12,208 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 32 transitions. [2023-11-06 23:12:12,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 32 transitions. [2023-11-06 23:12:12,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2023-11-06 23:12:12,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.4090909090909092) internal successors, (31), 21 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:12,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 31 transitions. [2023-11-06 23:12:12,211 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 31 transitions. [2023-11-06 23:12:12,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:12:12,212 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 31 transitions. [2023-11-06 23:12:12,212 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-06 23:12:12,212 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 31 transitions. [2023-11-06 23:12:12,213 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2023-11-06 23:12:12,213 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 23:12:12,213 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 23:12:12,214 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-06 23:12:12,214 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 23:12:12,214 INFO L748 eck$LassoCheckResult]: Stem: 234#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 227#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0; 228#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 229#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 230#L17-3 assume !(init_nondet_~i~0#1 < 5); 222#L15 havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;havoc init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;assume { :end_inline_init_nondet } true;havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 223#L28-3 [2023-11-06 23:12:12,214 INFO L750 eck$LassoCheckResult]: Loop: 223#L28-3 assume !!(rangesum_~i~1#1 < 5); 224#L29 assume rangesum_~i~1#1 > 2;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 225#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 223#L28-3 [2023-11-06 23:12:12,214 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:12,215 INFO L85 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2023-11-06 23:12:12,215 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:12,215 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957681065] [2023-11-06 23:12:12,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:12,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:12,274 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:12,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:12,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957681065] [2023-11-06 23:12:12,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1957681065] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:12:12,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1073874827] [2023-11-06 23:12:12,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:12,275 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:12:12,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:12,283 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:12:12,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2023-11-06 23:12:12,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:12,353 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:12:12,354 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:12,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:12,370 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:12:12,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:12,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1073874827] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:12:12,394 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 23:12:12,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-11-06 23:12:12,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1216844994] [2023-11-06 23:12:12,394 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 23:12:12,395 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 23:12:12,395 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:12,395 INFO L85 PathProgramCache]: Analyzing trace with hash 53723, now seen corresponding path program 2 times [2023-11-06 23:12:12,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:12,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86813296] [2023-11-06 23:12:12,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:12,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:12,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:12,410 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:12:12,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:12,431 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:12:12,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:12,529 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 23:12:12,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:12:12,529 INFO L87 Difference]: Start difference. First operand 22 states and 31 transitions. cyclomatic complexity: 14 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:12,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:12:12,582 INFO L93 Difference]: Finished difference Result 28 states and 37 transitions. [2023-11-06 23:12:12,583 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 37 transitions. [2023-11-06 23:12:12,587 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2023-11-06 23:12:12,593 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 28 states and 37 transitions. [2023-11-06 23:12:12,593 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2023-11-06 23:12:12,593 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2023-11-06 23:12:12,593 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 37 transitions. [2023-11-06 23:12:12,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:12:12,594 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 37 transitions. [2023-11-06 23:12:12,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 37 transitions. [2023-11-06 23:12:12,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2023-11-06 23:12:12,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 27 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:12,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 37 transitions. [2023-11-06 23:12:12,600 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 37 transitions. [2023-11-06 23:12:12,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 23:12:12,603 INFO L428 stractBuchiCegarLoop]: Abstraction has 28 states and 37 transitions. [2023-11-06 23:12:12,603 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-06 23:12:12,604 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 37 transitions. [2023-11-06 23:12:12,609 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2023-11-06 23:12:12,609 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 23:12:12,609 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 23:12:12,610 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2023-11-06 23:12:12,610 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 23:12:12,610 INFO L748 eck$LassoCheckResult]: Stem: 325#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 317#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0; 318#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 319#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 320#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 321#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 332#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 331#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 330#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 329#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 328#L17-3 assume !(init_nondet_~i~0#1 < 5); 312#L15 havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;havoc init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;assume { :end_inline_init_nondet } true;havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 313#L28-3 [2023-11-06 23:12:12,611 INFO L750 eck$LassoCheckResult]: Loop: 313#L28-3 assume !!(rangesum_~i~1#1 < 5); 314#L29 assume rangesum_~i~1#1 > 2;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 315#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 313#L28-3 [2023-11-06 23:12:12,611 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:12,611 INFO L85 PathProgramCache]: Analyzing trace with hash 833936659, now seen corresponding path program 2 times [2023-11-06 23:12:12,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:12,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696636933] [2023-11-06 23:12:12,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:12,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:12,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-11-06 23:12:12,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:12,896 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:12,896 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:12,896 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696636933] [2023-11-06 23:12:12,897 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696636933] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:12:12,897 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1122715614] [2023-11-06 23:12:12,897 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 23:12:12,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:12:12,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:12,899 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:12:12,919 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2023-11-06 23:12:12,968 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 23:12:12,968 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 23:12:12,969 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 23:12:12,970 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:12,996 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:12,996 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:12:13,041 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:13,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1122715614] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:12:13,042 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 23:12:13,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2023-11-06 23:12:13,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1309515414] [2023-11-06 23:12:13,043 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 23:12:13,043 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 23:12:13,043 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:13,044 INFO L85 PathProgramCache]: Analyzing trace with hash 53723, now seen corresponding path program 3 times [2023-11-06 23:12:13,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:13,044 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614692746] [2023-11-06 23:12:13,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:13,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:13,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:13,055 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:12:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:13,066 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:12:13,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:13,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-06 23:12:13,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2023-11-06 23:12:13,137 INFO L87 Difference]: Start difference. First operand 28 states and 37 transitions. cyclomatic complexity: 14 Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:13,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:12:13,172 INFO L93 Difference]: Finished difference Result 30 states and 39 transitions. [2023-11-06 23:12:13,172 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2023-11-06 23:12:13,173 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2023-11-06 23:12:13,174 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 30 states and 39 transitions. [2023-11-06 23:12:13,174 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2023-11-06 23:12:13,174 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2023-11-06 23:12:13,174 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 39 transitions. [2023-11-06 23:12:13,175 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:12:13,175 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 39 transitions. [2023-11-06 23:12:13,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 39 transitions. [2023-11-06 23:12:13,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2023-11-06 23:12:13,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.3) internal successors, (39), 29 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:13,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 39 transitions. [2023-11-06 23:12:13,178 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 39 transitions. [2023-11-06 23:12:13,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 23:12:13,179 INFO L428 stractBuchiCegarLoop]: Abstraction has 30 states and 39 transitions. [2023-11-06 23:12:13,180 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-06 23:12:13,180 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 39 transitions. [2023-11-06 23:12:13,181 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2023-11-06 23:12:13,181 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 23:12:13,181 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 23:12:13,182 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1] [2023-11-06 23:12:13,182 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 23:12:13,182 INFO L748 eck$LassoCheckResult]: Stem: 460#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 452#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0; 453#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 454#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 455#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 456#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 469#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 468#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 467#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 466#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 465#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 464#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 463#L17-3 assume !(init_nondet_~i~0#1 < 5); 447#L15 havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;havoc init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;assume { :end_inline_init_nondet } true;havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 448#L28-3 [2023-11-06 23:12:13,182 INFO L750 eck$LassoCheckResult]: Loop: 448#L28-3 assume !!(rangesum_~i~1#1 < 5); 449#L29 assume rangesum_~i~1#1 > 2;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 450#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 448#L28-3 [2023-11-06 23:12:13,183 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:13,183 INFO L85 PathProgramCache]: Analyzing trace with hash -1745699051, now seen corresponding path program 3 times [2023-11-06 23:12:13,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:13,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750850716] [2023-11-06 23:12:13,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:13,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:13,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:13,203 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:12:13,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:13,223 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:12:13,224 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:13,224 INFO L85 PathProgramCache]: Analyzing trace with hash 53723, now seen corresponding path program 4 times [2023-11-06 23:12:13,224 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:13,224 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1051271719] [2023-11-06 23:12:13,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:13,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:13,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:13,229 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:12:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:13,234 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:12:13,235 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:13,235 INFO L85 PathProgramCache]: Analyzing trace with hash 1638582855, now seen corresponding path program 1 times [2023-11-06 23:12:13,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:13,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2067850618] [2023-11-06 23:12:13,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:13,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:13,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:13,314 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-06 23:12:13,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:13,315 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2067850618] [2023-11-06 23:12:13,315 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2067850618] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:13,315 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:12:13,315 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:12:13,315 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240861369] [2023-11-06 23:12:13,315 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:13,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:13,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:12:13,386 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:12:13,386 INFO L87 Difference]: Start difference. First operand 30 states and 39 transitions. cyclomatic complexity: 14 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:13,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:12:13,438 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2023-11-06 23:12:13,438 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 48 transitions. [2023-11-06 23:12:13,439 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2023-11-06 23:12:13,440 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 39 states and 48 transitions. [2023-11-06 23:12:13,440 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 29 [2023-11-06 23:12:13,440 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 29 [2023-11-06 23:12:13,440 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 48 transitions. [2023-11-06 23:12:13,441 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:12:13,441 INFO L218 hiAutomatonCegarLoop]: Abstraction has 39 states and 48 transitions. [2023-11-06 23:12:13,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 48 transitions. [2023-11-06 23:12:13,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 36. [2023-11-06 23:12:13,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 36 states, 36 states have (on average 1.25) internal successors, (45), 35 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:13,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 45 transitions. [2023-11-06 23:12:13,445 INFO L240 hiAutomatonCegarLoop]: Abstraction has 36 states and 45 transitions. [2023-11-06 23:12:13,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 23:12:13,446 INFO L428 stractBuchiCegarLoop]: Abstraction has 36 states and 45 transitions. [2023-11-06 23:12:13,447 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-06 23:12:13,447 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 36 states and 45 transitions. [2023-11-06 23:12:13,447 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2023-11-06 23:12:13,448 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 23:12:13,448 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 23:12:13,448 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1] [2023-11-06 23:12:13,449 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 23:12:13,449 INFO L748 eck$LassoCheckResult]: Stem: 539#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 530#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0; 531#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 532#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 533#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 534#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 552#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 551#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 550#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 549#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 548#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 545#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 544#L17-3 assume !(init_nondet_~i~0#1 < 5); 523#L15 havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;havoc init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;assume { :end_inline_init_nondet } true;havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 524#L28-3 assume !!(rangesum_~i~1#1 < 5); 525#L29 assume !(rangesum_~i~1#1 > 2); 526#L28-2 [2023-11-06 23:12:13,449 INFO L750 eck$LassoCheckResult]: Loop: 526#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 529#L28-3 assume !!(rangesum_~i~1#1 < 5); 547#L29 assume rangesum_~i~1#1 > 2;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 526#L28-2 [2023-11-06 23:12:13,449 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:13,450 INFO L85 PathProgramCache]: Analyzing trace with hash 1715425498, now seen corresponding path program 1 times [2023-11-06 23:12:13,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:13,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731124884] [2023-11-06 23:12:13,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:13,450 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:13,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:13,469 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:12:13,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:13,493 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:12:13,494 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:13,494 INFO L85 PathProgramCache]: Analyzing trace with hash 60353, now seen corresponding path program 5 times [2023-11-06 23:12:13,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:13,495 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1623403872] [2023-11-06 23:12:13,495 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:13,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:13,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:13,502 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:12:13,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:13,508 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:12:13,509 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:13,509 INFO L85 PathProgramCache]: Analyzing trace with hash -1574813624, now seen corresponding path program 1 times [2023-11-06 23:12:13,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:13,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [25175014] [2023-11-06 23:12:13,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:13,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:13,586 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-06 23:12:13,586 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:13,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [25175014] [2023-11-06 23:12:13,587 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [25175014] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:12:13,587 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100197864] [2023-11-06 23:12:13,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:13,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:12:13,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:13,595 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:12:13,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2023-11-06 23:12:13,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:13,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:12:13,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:13,700 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-06 23:12:13,700 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:12:13,721 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-06 23:12:13,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1100197864] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:12:13,721 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-06 23:12:13,722 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2023-11-06 23:12:13,722 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468668397] [2023-11-06 23:12:13,722 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-06 23:12:13,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:13,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 23:12:13,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 23:12:13,798 INFO L87 Difference]: Start difference. First operand 36 states and 45 transitions. cyclomatic complexity: 14 Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:13,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:12:13,896 INFO L93 Difference]: Finished difference Result 57 states and 66 transitions. [2023-11-06 23:12:13,896 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 66 transitions. [2023-11-06 23:12:13,897 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 14 [2023-11-06 23:12:13,898 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 57 states and 66 transitions. [2023-11-06 23:12:13,899 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 47 [2023-11-06 23:12:13,899 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 47 [2023-11-06 23:12:13,899 INFO L73 IsDeterministic]: Start isDeterministic. Operand 57 states and 66 transitions. [2023-11-06 23:12:13,900 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:12:13,900 INFO L218 hiAutomatonCegarLoop]: Abstraction has 57 states and 66 transitions. [2023-11-06 23:12:13,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states and 66 transitions. [2023-11-06 23:12:13,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2023-11-06 23:12:13,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 54 states have (on average 1.1666666666666667) internal successors, (63), 53 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:13,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 63 transitions. [2023-11-06 23:12:13,905 INFO L240 hiAutomatonCegarLoop]: Abstraction has 54 states and 63 transitions. [2023-11-06 23:12:13,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:12:13,906 INFO L428 stractBuchiCegarLoop]: Abstraction has 54 states and 63 transitions. [2023-11-06 23:12:13,906 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-06 23:12:13,906 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 54 states and 63 transitions. [2023-11-06 23:12:13,907 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2023-11-06 23:12:13,907 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 23:12:13,908 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 23:12:13,908 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 3, 3, 2, 1, 1, 1, 1] [2023-11-06 23:12:13,909 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 23:12:13,909 INFO L748 eck$LassoCheckResult]: Stem: 754#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 743#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0; 744#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 745#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 746#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 747#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 752#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 770#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 769#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 768#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 767#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 761#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 760#L17-3 assume !(init_nondet_~i~0#1 < 5); 735#L15 havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;havoc init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;assume { :end_inline_init_nondet } true;havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 736#L28-3 assume !!(rangesum_~i~1#1 < 5); 777#L29 assume !(rangesum_~i~1#1 > 2); 739#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 740#L28-3 assume !!(rangesum_~i~1#1 < 5); 755#L29 assume !(rangesum_~i~1#1 > 2); 771#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 774#L28-3 assume !!(rangesum_~i~1#1 < 5); 737#L29 assume !(rangesum_~i~1#1 > 2); 738#L28-2 [2023-11-06 23:12:13,909 INFO L750 eck$LassoCheckResult]: Loop: 738#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 764#L28-3 assume !!(rangesum_~i~1#1 < 5); 765#L29 assume rangesum_~i~1#1 > 2;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 738#L28-2 [2023-11-06 23:12:13,909 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:13,910 INFO L85 PathProgramCache]: Analyzing trace with hash -1344808230, now seen corresponding path program 1 times [2023-11-06 23:12:13,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:13,910 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1608197239] [2023-11-06 23:12:13,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:13,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:13,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:13,930 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:12:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:13,947 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:12:13,947 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:13,947 INFO L85 PathProgramCache]: Analyzing trace with hash 60353, now seen corresponding path program 6 times [2023-11-06 23:12:13,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:13,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [690253000] [2023-11-06 23:12:13,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:13,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:13,952 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:12:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:13,957 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:12:13,958 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:13,958 INFO L85 PathProgramCache]: Analyzing trace with hash 272987720, now seen corresponding path program 2 times [2023-11-06 23:12:13,958 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:13,958 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290364824] [2023-11-06 23:12:13,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:13,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:14,016 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:12:14,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:14,057 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:12:15,648 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 23:12:15,648 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 23:12:15,648 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 23:12:15,648 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 23:12:15,648 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 23:12:15,648 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:15,648 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 23:12:15,649 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 23:12:15,649 INFO L133 ssoRankerPreferences]: Filename of dumped script: rangesum05.i_Iteration7_Lasso [2023-11-06 23:12:15,649 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 23:12:15,649 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 23:12:15,658 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:15,661 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:15,665 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:15,667 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:15,670 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:15,673 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:15,676 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:15,679 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:15,682 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:15,685 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:15,688 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:16,113 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:16,116 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:16,119 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:16,122 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:16,124 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:16,127 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:16,129 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:16,132 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:16,134 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:16,137 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:16,140 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:16,142 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:16,145 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:16,148 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:16,151 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:16,156 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:16,159 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:16,529 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 23:12:16,529 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 23:12:16,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:16,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:16,537 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:16,545 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 [2023-11-06 23:12:16,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:16,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:12:16,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-06 23:12:16,557 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:16,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:16,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:16,558 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:12:16,558 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:12:16,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:16,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:16,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:16,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:16,577 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:16,584 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 [2023-11-06 23:12:16,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-06 23:12:16,594 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:16,595 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:12:16,595 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:16,595 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:16,595 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:16,595 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:12:16,595 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:12:16,606 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:16,610 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:16,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:16,611 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:16,612 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:16,614 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-06 23:12:16,614 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 [2023-11-06 23:12:16,624 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:16,625 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:12:16,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:16,625 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:16,625 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:16,625 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:12:16,625 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:12:16,628 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:16,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:16,632 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:16,632 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:16,633 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:16,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-06 23:12:16,636 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 [2023-11-06 23:12:16,647 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:16,647 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:12:16,647 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:16,647 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:16,647 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:16,647 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:12:16,647 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:12:16,649 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:16,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:16,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:16,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:16,653 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:16,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-06 23:12:16,657 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 [2023-11-06 23:12:16,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:16,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:12:16,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:16,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:16,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:16,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:12:16,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:12:16,673 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:16,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2023-11-06 23:12:16,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:16,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:16,677 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:16,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-06 23:12:16,679 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 [2023-11-06 23:12:16,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:16,689 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:12:16,690 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:16,690 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:16,690 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:16,690 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:12:16,690 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:12:16,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:16,694 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2023-11-06 23:12:16,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:16,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:16,695 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:16,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-06 23:12:16,698 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 [2023-11-06 23:12:16,708 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:16,708 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:12:16,708 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:16,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:16,709 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:16,709 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:12:16,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:12:16,710 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:16,713 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2023-11-06 23:12:16,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:16,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:16,714 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:16,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-06 23:12:16,717 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 [2023-11-06 23:12:16,727 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:16,727 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:12:16,727 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:16,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:16,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:16,727 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:12:16,728 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:12:16,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:16,763 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:16,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:16,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:16,764 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:16,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-06 23:12:16,769 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 [2023-11-06 23:12:16,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:16,781 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:12:16,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:16,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:16,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:16,782 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:12:16,782 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:12:16,799 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:16,803 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:16,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:16,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:16,804 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:16,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-06 23:12:16,809 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 [2023-11-06 23:12:16,821 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:16,821 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:12:16,822 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:16,822 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:16,822 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:16,822 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:12:16,822 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:12:16,834 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:16,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2023-11-06 23:12:16,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:16,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:16,840 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:16,848 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 [2023-11-06 23:12:16,861 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:16,861 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:16,861 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:16,861 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:16,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-06 23:12:16,863 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:12:16,863 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:12:16,883 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:16,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:16,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:16,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:16,893 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:16,900 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 [2023-11-06 23:12:16,912 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:16,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:16,913 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:16,913 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:16,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-06 23:12:16,917 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:12:16,917 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:12:16,934 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:16,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:16,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:16,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:16,945 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:16,952 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 [2023-11-06 23:12:16,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-06 23:12:16,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:16,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:16,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:16,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:16,967 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:12:16,967 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:12:16,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:16,987 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:16,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:16,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:16,989 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:16,992 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 [2023-11-06 23:12:17,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:17,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:12:17,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:17,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:17,005 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:17,006 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:12:17,006 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:12:17,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-06 23:12:17,015 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:17,026 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:17,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:17,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:17,028 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:17,031 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 [2023-11-06 23:12:17,037 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-06 23:12:17,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:17,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:17,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:17,044 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:17,048 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:12:17,048 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:12:17,067 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:17,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:17,071 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:17,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:17,072 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:17,076 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 [2023-11-06 23:12:17,088 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:17,089 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:17,089 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:17,089 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:17,091 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:12:17,091 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:12:17,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-06 23:12:17,107 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:17,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:17,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:17,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:17,113 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:17,116 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 [2023-11-06 23:12:17,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:17,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:17,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:17,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:17,132 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:12:17,132 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:12:17,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-06 23:12:17,159 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:17,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:17,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:17,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:17,165 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:17,169 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 [2023-11-06 23:12:17,181 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:17,182 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:17,182 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:17,182 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:17,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-06 23:12:17,186 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:12:17,186 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:12:17,206 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:17,210 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:17,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:17,211 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:17,212 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:17,216 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 [2023-11-06 23:12:17,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:17,229 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:17,229 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:17,229 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:17,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-06 23:12:17,231 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:12:17,232 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:12:17,256 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:17,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:17,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:17,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:17,261 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:17,265 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 [2023-11-06 23:12:17,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-06 23:12:17,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:17,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:17,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:17,278 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:17,280 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:12:17,280 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:12:17,307 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:17,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:17,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:17,312 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:17,313 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:17,317 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 [2023-11-06 23:12:17,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-06 23:12:17,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:17,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:17,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:17,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:17,333 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:12:17,333 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:12:17,356 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:17,360 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:17,360 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:17,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:17,361 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:17,365 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 [2023-11-06 23:12:17,377 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:17,378 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:12:17,378 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:17,378 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:17,378 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:17,378 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:12:17,379 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:12:17,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-06 23:12:17,388 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:17,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:17,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:17,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:17,393 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:17,398 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 [2023-11-06 23:12:17,411 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-06 23:12:17,411 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:17,411 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:17,411 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:17,412 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:17,417 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:12:17,417 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:12:17,432 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 23:12:17,474 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2023-11-06 23:12:17,475 INFO L444 ModelExtractionUtils]: 1 out of 16 variables were initially zero. Simplification set additionally 12 variables to zero. [2023-11-06 23:12:17,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:17,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:17,478 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:17,480 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 23:12:17,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-06 23:12:17,514 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-06 23:12:17,514 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 23:12:17,514 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_rangesum_~x#1.base)_1, ULTIMATE.start_rangesum_~i~1#1) = 7*v_rep(select #length ULTIMATE.start_rangesum_~x#1.base)_1 - 8*ULTIMATE.start_rangesum_~i~1#1 Supporting invariants [] [2023-11-06 23:12:17,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:17,542 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2023-11-06 23:12:17,544 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~x!base] could not be translated [2023-11-06 23:12:17,559 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:17,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 119 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:12:17,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:17,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:17,634 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 23:12:17,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:17,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:17,663 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 [2023-11-06 23:12:17,663 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 54 states and 63 transitions. cyclomatic complexity: 14 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:17,716 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 54 states and 63 transitions. cyclomatic complexity: 14. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 66 states and 79 transitions. Complement of second has 7 states. [2023-11-06 23:12:17,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-06 23:12:17,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:17,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 16 transitions. [2023-11-06 23:12:17,719 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 22 letters. Loop has 3 letters. [2023-11-06 23:12:17,720 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:12:17,720 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 25 letters. Loop has 3 letters. [2023-11-06 23:12:17,722 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:12:17,722 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 16 transitions. Stem has 22 letters. Loop has 6 letters. [2023-11-06 23:12:17,724 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:12:17,724 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 66 states and 79 transitions. [2023-11-06 23:12:17,726 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2023-11-06 23:12:17,728 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 66 states to 64 states and 76 transitions. [2023-11-06 23:12:17,728 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 43 [2023-11-06 23:12:17,729 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 45 [2023-11-06 23:12:17,730 INFO L73 IsDeterministic]: Start isDeterministic. Operand 64 states and 76 transitions. [2023-11-06 23:12:17,730 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 23:12:17,730 INFO L218 hiAutomatonCegarLoop]: Abstraction has 64 states and 76 transitions. [2023-11-06 23:12:17,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states and 76 transitions. [2023-11-06 23:12:17,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 62. [2023-11-06 23:12:17,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 62 states have (on average 1.1774193548387097) internal successors, (73), 61 states have internal predecessors, (73), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:17,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 73 transitions. [2023-11-06 23:12:17,740 INFO L240 hiAutomatonCegarLoop]: Abstraction has 62 states and 73 transitions. [2023-11-06 23:12:17,740 INFO L428 stractBuchiCegarLoop]: Abstraction has 62 states and 73 transitions. [2023-11-06 23:12:17,740 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-06 23:12:17,740 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 62 states and 73 transitions. [2023-11-06 23:12:17,741 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2023-11-06 23:12:17,741 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 23:12:17,742 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 23:12:17,742 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 3, 2, 2, 1, 1, 1, 1] [2023-11-06 23:12:17,742 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 23:12:17,743 INFO L748 eck$LassoCheckResult]: Stem: 1008#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 997#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0; 998#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 999#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1000#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1001#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1006#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1027#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1026#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1025#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1023#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1015#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1014#L17-3 assume !(init_nondet_~i~0#1 < 5); 986#L15 havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;havoc init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;assume { :end_inline_init_nondet } true;havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 987#L28-3 assume !!(rangesum_~i~1#1 < 5); 1034#L29 assume !(rangesum_~i~1#1 > 2); 992#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 994#L28-3 assume !!(rangesum_~i~1#1 < 5); 988#L29 assume !(rangesum_~i~1#1 > 2); 989#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1009#L28-3 assume !!(rangesum_~i~1#1 < 5); 1010#L29 [2023-11-06 23:12:17,743 INFO L750 eck$LassoCheckResult]: Loop: 1010#L29 assume !(rangesum_~i~1#1 > 2); 1030#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1016#L28-3 assume !!(rangesum_~i~1#1 < 5); 1010#L29 [2023-11-06 23:12:17,743 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:17,744 INFO L85 PathProgramCache]: Analyzing trace with hash -1567401565, now seen corresponding path program 2 times [2023-11-06 23:12:17,744 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:17,744 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1055666677] [2023-11-06 23:12:17,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:17,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:17,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:17,763 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:12:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:17,780 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:12:17,780 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:17,780 INFO L85 PathProgramCache]: Analyzing trace with hash 58645, now seen corresponding path program 1 times [2023-11-06 23:12:17,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:17,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824440196] [2023-11-06 23:12:17,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:17,781 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:17,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:17,784 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:12:17,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:17,787 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:12:17,787 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:17,788 INFO L85 PathProgramCache]: Analyzing trace with hash 424448051, now seen corresponding path program 3 times [2023-11-06 23:12:17,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:17,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [69829175] [2023-11-06 23:12:17,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:17,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:17,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:17,811 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:12:17,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:17,826 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:12:17,842 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 23:12:17,843 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 23:12:17,843 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 23:12:17,843 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 23:12:17,843 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-06 23:12:17,843 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:17,843 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 23:12:17,843 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 23:12:17,843 INFO L133 ssoRankerPreferences]: Filename of dumped script: rangesum05.i_Iteration8_Loop [2023-11-06 23:12:17,844 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 23:12:17,844 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 23:12:17,844 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:17,850 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:17,868 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 23:12:17,869 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-06 23:12:17,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:17,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:17,872 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:17,880 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 23:12:17,880 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:12:17,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-06 23:12:17,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:17,898 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:17,898 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:17,899 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:17,901 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-06 23:12:17,902 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-06 23:12:17,902 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:12:17,924 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-06 23:12:17,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2023-11-06 23:12:17,927 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 23:12:17,927 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 23:12:17,927 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 23:12:17,927 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 23:12:17,927 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 23:12:17,927 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:17,927 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 23:12:17,927 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 23:12:17,927 INFO L133 ssoRankerPreferences]: Filename of dumped script: rangesum05.i_Iteration8_Loop [2023-11-06 23:12:17,927 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 23:12:17,928 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 23:12:17,928 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:17,941 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:17,963 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 23:12:17,963 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 23:12:17,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:17,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:17,965 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:17,976 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 [2023-11-06 23:12:17,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:17,988 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:12:17,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:17,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:17,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:17,989 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-06 23:12:17,989 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:12:17,989 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:12:18,015 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:18,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:18,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:18,019 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:18,020 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:18,028 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-06 23:12:18,040 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:18,040 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:12:18,040 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:18,040 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:18,041 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:18,041 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:12:18,041 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:12:18,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-06 23:12:18,057 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 23:12:18,062 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-06 23:12:18,062 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-06 23:12:18,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:18,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:18,066 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:18,067 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 23:12:18,067 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-06 23:12:18,067 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 23:12:18,067 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_rangesum_~i~1#1) = -2*ULTIMATE.start_rangesum_~i~1#1 + 5 Supporting invariants [] [2023-11-06 23:12:18,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-11-06 23:12:18,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:18,072 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-06 23:12:18,087 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:18,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:18,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:12:18,118 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:18,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:18,160 WARN L260 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 23:12:18,161 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:18,190 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:18,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:18,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:18,218 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 [2023-11-06 23:12:18,218 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 62 states and 73 transitions. cyclomatic complexity: 17 Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:18,249 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 62 states and 73 transitions. cyclomatic complexity: 17. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 82 states and 102 transitions. Complement of second has 7 states. [2023-11-06 23:12:18,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-06 23:12:18,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:18,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 18 transitions. [2023-11-06 23:12:18,252 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 21 letters. Loop has 3 letters. [2023-11-06 23:12:18,252 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:12:18,252 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 24 letters. Loop has 3 letters. [2023-11-06 23:12:18,252 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:12:18,252 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 18 transitions. Stem has 21 letters. Loop has 6 letters. [2023-11-06 23:12:18,253 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:12:18,253 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 82 states and 102 transitions. [2023-11-06 23:12:18,254 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2023-11-06 23:12:18,256 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 82 states to 70 states and 84 transitions. [2023-11-06 23:12:18,256 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 36 [2023-11-06 23:12:18,257 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 37 [2023-11-06 23:12:18,257 INFO L73 IsDeterministic]: Start isDeterministic. Operand 70 states and 84 transitions. [2023-11-06 23:12:18,257 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 23:12:18,257 INFO L218 hiAutomatonCegarLoop]: Abstraction has 70 states and 84 transitions. [2023-11-06 23:12:18,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states and 84 transitions. [2023-11-06 23:12:18,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 67. [2023-11-06 23:12:18,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 67 states have (on average 1.1940298507462686) internal successors, (80), 66 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:18,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 80 transitions. [2023-11-06 23:12:18,262 INFO L240 hiAutomatonCegarLoop]: Abstraction has 67 states and 80 transitions. [2023-11-06 23:12:18,263 INFO L428 stractBuchiCegarLoop]: Abstraction has 67 states and 80 transitions. [2023-11-06 23:12:18,263 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-06 23:12:18,263 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 67 states and 80 transitions. [2023-11-06 23:12:18,264 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2023-11-06 23:12:18,264 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 23:12:18,264 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 23:12:18,265 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:12:18,265 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 23:12:18,266 INFO L748 eck$LassoCheckResult]: Stem: 1245#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 1236#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0; 1237#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1238#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1239#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1240#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1265#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1264#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1263#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1262#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1261#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1258#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1257#L17-3 assume !(init_nondet_~i~0#1 < 5); 1230#L15 havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;havoc init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;assume { :end_inline_init_nondet } true;havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 1231#L28-3 assume !!(rangesum_~i~1#1 < 5); 1226#L29 assume !(rangesum_~i~1#1 > 2); 1227#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1233#L28-3 assume !!(rangesum_~i~1#1 < 5); 1277#L29 assume !(rangesum_~i~1#1 > 2); 1271#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1270#L28-3 assume !!(rangesum_~i~1#1 < 5); 1268#L29 assume !(rangesum_~i~1#1 > 2); 1269#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1267#L28-3 assume !(rangesum_~i~1#1 < 5); 1247#L28-4 assume !(0 != rangesum_~cnt~0#1);rangesum_#res#1 := 0; 1241#rangesum_returnLabel#1 main_#t~ret5#1 := rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;havoc rangesum_#in~x#1.base, rangesum_#in~x#1.offset;assume { :end_inline_rangesum } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 1242#L28-8 assume !!(rangesum_~i~1#1 < 5); 1266#L29-2 assume !(rangesum_~i~1#1 > 2); 1235#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1222#L28-8 assume !!(rangesum_~i~1#1 < 5); 1223#L29-2 assume !(rangesum_~i~1#1 > 2); 1250#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1260#L28-8 assume !!(rangesum_~i~1#1 < 5); 1259#L29-2 assume !(rangesum_~i~1#1 > 2); 1256#L28-7 [2023-11-06 23:12:18,266 INFO L750 eck$LassoCheckResult]: Loop: 1256#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1253#L28-8 assume !!(rangesum_~i~1#1 < 5); 1254#L29-2 assume rangesum_~i~1#1 > 2;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 1256#L28-7 [2023-11-06 23:12:18,266 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:18,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1909073688, now seen corresponding path program 1 times [2023-11-06 23:12:18,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:18,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1777578776] [2023-11-06 23:12:18,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:18,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:18,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:18,317 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2023-11-06 23:12:18,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:18,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1777578776] [2023-11-06 23:12:18,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1777578776] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:18,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:12:18,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:12:18,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374868375] [2023-11-06 23:12:18,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:18,319 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 23:12:18,319 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:18,319 INFO L85 PathProgramCache]: Analyzing trace with hash 85178, now seen corresponding path program 1 times [2023-11-06 23:12:18,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:18,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49960618] [2023-11-06 23:12:18,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:18,320 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:18,323 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:12:18,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:18,327 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:12:18,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:18,391 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:12:18,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 23:12:18,392 INFO L87 Difference]: Start difference. First operand 67 states and 80 transitions. cyclomatic complexity: 20 Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:18,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:12:18,450 INFO L93 Difference]: Finished difference Result 81 states and 98 transitions. [2023-11-06 23:12:18,451 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 81 states and 98 transitions. [2023-11-06 23:12:18,452 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 16 [2023-11-06 23:12:18,452 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 81 states to 72 states and 86 transitions. [2023-11-06 23:12:18,453 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2023-11-06 23:12:18,453 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 44 [2023-11-06 23:12:18,453 INFO L73 IsDeterministic]: Start isDeterministic. Operand 72 states and 86 transitions. [2023-11-06 23:12:18,453 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 23:12:18,453 INFO L218 hiAutomatonCegarLoop]: Abstraction has 72 states and 86 transitions. [2023-11-06 23:12:18,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states and 86 transitions. [2023-11-06 23:12:18,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 62. [2023-11-06 23:12:18,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 62 states have (on average 1.1612903225806452) internal successors, (72), 61 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:18,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 72 transitions. [2023-11-06 23:12:18,458 INFO L240 hiAutomatonCegarLoop]: Abstraction has 62 states and 72 transitions. [2023-11-06 23:12:18,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:12:18,459 INFO L428 stractBuchiCegarLoop]: Abstraction has 62 states and 72 transitions. [2023-11-06 23:12:18,459 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-06 23:12:18,459 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 62 states and 72 transitions. [2023-11-06 23:12:18,460 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 10 [2023-11-06 23:12:18,460 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 23:12:18,460 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 23:12:18,461 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:12:18,462 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 23:12:18,462 INFO L748 eck$LassoCheckResult]: Stem: 1400#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 1389#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0; 1390#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1391#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1392#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1393#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1418#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1415#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1414#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1411#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1409#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1408#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1407#L17-3 assume !(init_nondet_~i~0#1 < 5); 1381#L15 havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;havoc init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;assume { :end_inline_init_nondet } true;havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 1382#L28-3 assume !!(rangesum_~i~1#1 < 5); 1383#L29 assume !(rangesum_~i~1#1 > 2); 1384#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1430#L28-3 assume !!(rangesum_~i~1#1 < 5); 1385#L29 assume !(rangesum_~i~1#1 > 2); 1386#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1387#L28-3 assume !!(rangesum_~i~1#1 < 5); 1429#L29 assume !(rangesum_~i~1#1 > 2); 1427#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1428#L28-3 assume !!(rangesum_~i~1#1 < 5); 1420#L29 assume rangesum_~i~1#1 > 2;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 1412#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1410#L28-3 assume !(rangesum_~i~1#1 < 5); 1404#L28-4 assume !(0 != rangesum_~cnt~0#1);rangesum_#res#1 := 0; 1396#rangesum_returnLabel#1 main_#t~ret5#1 := rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;havoc rangesum_#in~x#1.base, rangesum_#in~x#1.offset;assume { :end_inline_rangesum } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 1377#L28-8 assume !!(rangesum_~i~1#1 < 5); 1378#L29-2 assume !(rangesum_~i~1#1 > 2); 1394#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1395#L28-8 assume !!(rangesum_~i~1#1 < 5); 1426#L29-2 assume !(rangesum_~i~1#1 > 2); 1425#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1424#L28-8 assume !!(rangesum_~i~1#1 < 5); 1423#L29-2 assume !(rangesum_~i~1#1 > 2); 1421#L28-7 [2023-11-06 23:12:18,462 INFO L750 eck$LassoCheckResult]: Loop: 1421#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1422#L28-8 assume !!(rangesum_~i~1#1 < 5); 1417#L29-2 assume !(rangesum_~i~1#1 > 2); 1421#L28-7 [2023-11-06 23:12:18,463 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:18,463 INFO L85 PathProgramCache]: Analyzing trace with hash 1744047494, now seen corresponding path program 1 times [2023-11-06 23:12:18,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:18,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522050296] [2023-11-06 23:12:18,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:18,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:18,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:18,523 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-06 23:12:18,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:18,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522050296] [2023-11-06 23:12:18,524 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522050296] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-06 23:12:18,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1508179375] [2023-11-06 23:12:18,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:18,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:12:18,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:18,526 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:12:18,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Waiting until timeout for monitored process [2023-11-06 23:12:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:18,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-06 23:12:18,624 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:18,653 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2023-11-06 23:12:18,653 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:12:18,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1508179375] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:18,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-06 23:12:18,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 5 [2023-11-06 23:12:18,654 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809357795] [2023-11-06 23:12:18,654 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:18,654 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 23:12:18,655 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:18,655 INFO L85 PathProgramCache]: Analyzing trace with hash 85180, now seen corresponding path program 1 times [2023-11-06 23:12:18,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:18,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797993005] [2023-11-06 23:12:18,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:18,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:18,658 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:12:18,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:18,660 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:12:18,676 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 23:12:18,677 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 23:12:18,677 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 23:12:18,677 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 23:12:18,677 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-06 23:12:18,677 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:18,677 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 23:12:18,677 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 23:12:18,677 INFO L133 ssoRankerPreferences]: Filename of dumped script: rangesum05.i_Iteration10_Loop [2023-11-06 23:12:18,678 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 23:12:18,678 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 23:12:18,678 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:18,681 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:18,702 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 23:12:18,702 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-06 23:12:18,702 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:18,702 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:18,704 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:18,707 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 23:12:18,708 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:12:18,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-11-06 23:12:18,736 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 23:12:18,736 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_rangesum_#t~post3#1=0} Honda state: {ULTIMATE.start_rangesum_#t~post3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-06 23:12:18,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:18,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:18,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:18,741 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:18,746 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 23:12:18,746 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:12:18,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-11-06 23:12:18,778 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:18,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:18,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:18,780 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:18,784 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-06 23:12:18,784 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:12:18,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-11-06 23:12:18,879 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-06 23:12:18,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2023-11-06 23:12:18,882 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 23:12:18,882 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 23:12:18,882 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 23:12:18,882 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 23:12:18,882 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 23:12:18,882 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:18,882 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 23:12:18,883 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 23:12:18,883 INFO L133 ssoRankerPreferences]: Filename of dumped script: rangesum05.i_Iteration10_Loop [2023-11-06 23:12:18,883 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 23:12:18,883 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 23:12:18,883 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:18,885 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:18,908 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 23:12:18,908 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 23:12:18,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:18,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:18,910 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:18,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2023-11-06 23:12:18,912 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 [2023-11-06 23:12:18,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:18,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:12:18,922 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:18,922 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:18,922 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:18,922 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:12:18,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:12:18,924 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:12:18,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:18,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:18,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:18,928 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:18,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2023-11-06 23:12:18,930 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 [2023-11-06 23:12:18,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:12:18,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:12:18,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:12:18,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:12:18,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:12:18,941 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:12:18,941 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:12:18,943 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 23:12:18,945 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-06 23:12:18,945 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-06 23:12:18,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:18,946 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:18,946 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:12:18,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2023-11-06 23:12:18,949 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 23:12:18,949 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-06 23:12:18,949 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 23:12:18,949 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_rangesum_~i~1#1) = -2*ULTIMATE.start_rangesum_~i~1#1 + 3 Supporting invariants [] [2023-11-06 23:12:18,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:18,953 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-06 23:12:18,971 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:19,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:19,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:12:19,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:19,089 WARN L260 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 23:12:19,090 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:19,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:12:19,104 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-06 23:12:19,104 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 62 states and 72 transitions. cyclomatic complexity: 16 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:19,141 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 62 states and 72 transitions. cyclomatic complexity: 16. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 72 states and 84 transitions. Complement of second has 5 states. [2023-11-06 23:12:19,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-06 23:12:19,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:19,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 24 transitions. [2023-11-06 23:12:19,143 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 37 letters. Loop has 3 letters. [2023-11-06 23:12:19,144 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:12:19,144 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 40 letters. Loop has 3 letters. [2023-11-06 23:12:19,144 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:12:19,144 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 24 transitions. Stem has 37 letters. Loop has 6 letters. [2023-11-06 23:12:19,147 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:12:19,147 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 72 states and 84 transitions. [2023-11-06 23:12:19,148 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2023-11-06 23:12:19,149 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 72 states to 66 states and 77 transitions. [2023-11-06 23:12:19,149 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 31 [2023-11-06 23:12:19,149 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2023-11-06 23:12:19,149 INFO L73 IsDeterministic]: Start isDeterministic. Operand 66 states and 77 transitions. [2023-11-06 23:12:19,154 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 23:12:19,154 INFO L218 hiAutomatonCegarLoop]: Abstraction has 66 states and 77 transitions. [2023-11-06 23:12:19,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states and 77 transitions. [2023-11-06 23:12:19,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 65. [2023-11-06 23:12:19,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 65 states have (on average 1.1692307692307693) internal successors, (76), 64 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:19,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 76 transitions. [2023-11-06 23:12:19,168 INFO L240 hiAutomatonCegarLoop]: Abstraction has 65 states and 76 transitions. [2023-11-06 23:12:19,168 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:19,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 23:12:19,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:12:19,169 INFO L87 Difference]: Start difference. First operand 65 states and 76 transitions. Second operand has 4 states, 4 states have (on average 4.25) internal successors, (17), 4 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:19,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:12:19,200 INFO L93 Difference]: Finished difference Result 77 states and 91 transitions. [2023-11-06 23:12:19,200 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 77 states and 91 transitions. [2023-11-06 23:12:19,202 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2023-11-06 23:12:19,203 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 77 states to 77 states and 91 transitions. [2023-11-06 23:12:19,203 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 37 [2023-11-06 23:12:19,203 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 37 [2023-11-06 23:12:19,203 INFO L73 IsDeterministic]: Start isDeterministic. Operand 77 states and 91 transitions. [2023-11-06 23:12:19,204 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 23:12:19,204 INFO L218 hiAutomatonCegarLoop]: Abstraction has 77 states and 91 transitions. [2023-11-06 23:12:19,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states and 91 transitions. [2023-11-06 23:12:19,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 65. [2023-11-06 23:12:19,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 65 states have (on average 1.1384615384615384) internal successors, (74), 64 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:19,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 74 transitions. [2023-11-06 23:12:19,208 INFO L240 hiAutomatonCegarLoop]: Abstraction has 65 states and 74 transitions. [2023-11-06 23:12:19,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 23:12:19,209 INFO L428 stractBuchiCegarLoop]: Abstraction has 65 states and 74 transitions. [2023-11-06 23:12:19,209 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2023-11-06 23:12:19,209 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 65 states and 74 transitions. [2023-11-06 23:12:19,210 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2023-11-06 23:12:19,210 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 23:12:19,210 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 23:12:19,211 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:12:19,211 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 23:12:19,212 INFO L748 eck$LassoCheckResult]: Stem: 1930#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 1917#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0; 1918#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1919#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1920#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1921#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1928#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1950#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1949#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1948#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1947#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 1940#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 1939#L17-3 assume !(init_nondet_~i~0#1 < 5); 1908#L15 havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;havoc init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;assume { :end_inline_init_nondet } true;havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 1909#L28-3 assume !!(rangesum_~i~1#1 < 5); 1910#L29 assume !(rangesum_~i~1#1 > 2); 1911#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1957#L28-3 assume !!(rangesum_~i~1#1 < 5); 1955#L29 assume !(rangesum_~i~1#1 > 2); 1956#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1958#L28-3 assume !!(rangesum_~i~1#1 < 5); 1912#L29 assume !(rangesum_~i~1#1 > 2); 1913#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1914#L28-3 assume !!(rangesum_~i~1#1 < 5); 1946#L29 assume rangesum_~i~1#1 > 2;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 1943#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1942#L28-3 assume !(rangesum_~i~1#1 < 5); 1934#L28-4 assume 0 != rangesum_~cnt~0#1;rangesum_#res#1 := (if (if rangesum_~ret~0#1 < 0 && 0 != rangesum_~ret~0#1 % rangesum_~cnt~0#1 then (if rangesum_~cnt~0#1 < 0 then rangesum_~ret~0#1 / rangesum_~cnt~0#1 - 1 else 1 + rangesum_~ret~0#1 / rangesum_~cnt~0#1) else rangesum_~ret~0#1 / rangesum_~cnt~0#1) % 4294967296 <= 2147483647 then (if rangesum_~ret~0#1 < 0 && 0 != rangesum_~ret~0#1 % rangesum_~cnt~0#1 then (if rangesum_~cnt~0#1 < 0 then rangesum_~ret~0#1 / rangesum_~cnt~0#1 - 1 else 1 + rangesum_~ret~0#1 / rangesum_~cnt~0#1) else rangesum_~ret~0#1 / rangesum_~cnt~0#1) % 4294967296 else (if rangesum_~ret~0#1 < 0 && 0 != rangesum_~ret~0#1 % rangesum_~cnt~0#1 then (if rangesum_~cnt~0#1 < 0 then rangesum_~ret~0#1 / rangesum_~cnt~0#1 - 1 else 1 + rangesum_~ret~0#1 / rangesum_~cnt~0#1) else rangesum_~ret~0#1 / rangesum_~cnt~0#1) % 4294967296 - 4294967296); 1925#rangesum_returnLabel#1 main_#t~ret5#1 := rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;havoc rangesum_#in~x#1.base, rangesum_#in~x#1.offset;assume { :end_inline_rangesum } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 1926#L28-8 assume !!(rangesum_~i~1#1 < 5); 1945#L29-2 assume !(rangesum_~i~1#1 > 2); 1922#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1904#L28-8 assume !!(rangesum_~i~1#1 < 5); 1905#L29-2 assume !(rangesum_~i~1#1 > 2); 1938#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1959#L28-8 assume !!(rangesum_~i~1#1 < 5); 1952#L29-2 assume !(rangesum_~i~1#1 > 2); 1951#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1902#L28-8 assume !!(rangesum_~i~1#1 < 5); 1903#L29-2 [2023-11-06 23:12:19,212 INFO L750 eck$LassoCheckResult]: Loop: 1903#L29-2 assume rangesum_~i~1#1 > 2;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 1937#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 1941#L28-8 assume !!(rangesum_~i~1#1 < 5); 1903#L29-2 [2023-11-06 23:12:19,212 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:19,213 INFO L85 PathProgramCache]: Analyzing trace with hash 734232641, now seen corresponding path program 1 times [2023-11-06 23:12:19,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:19,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1957849189] [2023-11-06 23:12:19,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:19,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:19,231 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:12:19,231 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1579744382] [2023-11-06 23:12:19,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:19,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:12:19,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:19,233 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:12:19,263 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Waiting until timeout for monitored process [2023-11-06 23:12:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:12:19,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 180 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-06 23:12:19,349 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:19,411 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-06 23:12:19,412 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-06 23:12:19,468 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-06 23:12:19,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:19,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1957849189] [2023-11-06 23:12:19,468 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:12:19,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1579744382] [2023-11-06 23:12:19,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1579744382] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-06 23:12:19,469 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-06 23:12:19,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 7 [2023-11-06 23:12:19,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728353367] [2023-11-06 23:12:19,471 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-06 23:12:19,473 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 23:12:19,473 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:19,474 INFO L85 PathProgramCache]: Analyzing trace with hash 81548, now seen corresponding path program 2 times [2023-11-06 23:12:19,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:19,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520717061] [2023-11-06 23:12:19,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:19,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:19,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:19,479 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:12:19,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:19,483 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:12:19,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:19,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-06 23:12:19,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-06 23:12:19,554 INFO L87 Difference]: Start difference. First operand 65 states and 74 transitions. cyclomatic complexity: 16 Second operand has 7 states, 7 states have (on average 3.4285714285714284) internal successors, (24), 7 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:19,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:12:19,658 INFO L93 Difference]: Finished difference Result 84 states and 96 transitions. [2023-11-06 23:12:19,658 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 84 states and 96 transitions. [2023-11-06 23:12:19,659 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 13 [2023-11-06 23:12:19,660 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 84 states to 83 states and 95 transitions. [2023-11-06 23:12:19,660 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 40 [2023-11-06 23:12:19,660 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 40 [2023-11-06 23:12:19,660 INFO L73 IsDeterministic]: Start isDeterministic. Operand 83 states and 95 transitions. [2023-11-06 23:12:19,661 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 23:12:19,661 INFO L218 hiAutomatonCegarLoop]: Abstraction has 83 states and 95 transitions. [2023-11-06 23:12:19,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states and 95 transitions. [2023-11-06 23:12:19,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 70. [2023-11-06 23:12:19,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 70 states have (on average 1.1285714285714286) internal successors, (79), 69 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:19,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 79 transitions. [2023-11-06 23:12:19,664 INFO L240 hiAutomatonCegarLoop]: Abstraction has 70 states and 79 transitions. [2023-11-06 23:12:19,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-06 23:12:19,665 INFO L428 stractBuchiCegarLoop]: Abstraction has 70 states and 79 transitions. [2023-11-06 23:12:19,665 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2023-11-06 23:12:19,666 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 70 states and 79 transitions. [2023-11-06 23:12:19,666 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2023-11-06 23:12:19,667 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 23:12:19,667 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 23:12:19,668 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 4, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:12:19,668 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 23:12:19,668 INFO L748 eck$LassoCheckResult]: Stem: 2317#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 2305#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0; 2306#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 2307#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 2308#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 2309#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 2342#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 2340#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 2339#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 2337#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 2336#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 2327#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 2326#L17-3 assume !(init_nondet_~i~0#1 < 5); 2295#L15 havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;havoc init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;assume { :end_inline_init_nondet } true;havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 2296#L28-3 assume !!(rangesum_~i~1#1 < 5); 2297#L29 assume !(rangesum_~i~1#1 > 2); 2298#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2349#L28-3 assume !!(rangesum_~i~1#1 < 5); 2299#L29 assume !(rangesum_~i~1#1 > 2); 2300#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2350#L28-3 assume !!(rangesum_~i~1#1 < 5); 2348#L29 assume !(rangesum_~i~1#1 > 2); 2347#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2346#L28-3 assume !!(rangesum_~i~1#1 < 5); 2345#L29 assume rangesum_~i~1#1 > 2;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 2344#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2333#L28-3 assume !!(rangesum_~i~1#1 < 5); 2334#L29 assume rangesum_~i~1#1 > 2;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 2332#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2330#L28-3 assume !(rangesum_~i~1#1 < 5); 2320#L28-4 assume 0 != rangesum_~cnt~0#1;rangesum_#res#1 := (if (if rangesum_~ret~0#1 < 0 && 0 != rangesum_~ret~0#1 % rangesum_~cnt~0#1 then (if rangesum_~cnt~0#1 < 0 then rangesum_~ret~0#1 / rangesum_~cnt~0#1 - 1 else 1 + rangesum_~ret~0#1 / rangesum_~cnt~0#1) else rangesum_~ret~0#1 / rangesum_~cnt~0#1) % 4294967296 <= 2147483647 then (if rangesum_~ret~0#1 < 0 && 0 != rangesum_~ret~0#1 % rangesum_~cnt~0#1 then (if rangesum_~cnt~0#1 < 0 then rangesum_~ret~0#1 / rangesum_~cnt~0#1 - 1 else 1 + rangesum_~ret~0#1 / rangesum_~cnt~0#1) else rangesum_~ret~0#1 / rangesum_~cnt~0#1) % 4294967296 else (if rangesum_~ret~0#1 < 0 && 0 != rangesum_~ret~0#1 % rangesum_~cnt~0#1 then (if rangesum_~cnt~0#1 < 0 then rangesum_~ret~0#1 / rangesum_~cnt~0#1 - 1 else 1 + rangesum_~ret~0#1 / rangesum_~cnt~0#1) else rangesum_~ret~0#1 / rangesum_~cnt~0#1) % 4294967296 - 4294967296); 2313#rangesum_returnLabel#1 main_#t~ret5#1 := rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;havoc rangesum_#in~x#1.base, rangesum_#in~x#1.offset;assume { :end_inline_rangesum } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 2314#L28-8 assume !!(rangesum_~i~1#1 < 5); 2338#L29-2 assume !(rangesum_~i~1#1 > 2); 2310#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2311#L28-8 assume !!(rangesum_~i~1#1 < 5); 2324#L29-2 assume !(rangesum_~i~1#1 > 2); 2325#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2351#L28-8 assume !!(rangesum_~i~1#1 < 5); 2343#L29-2 assume !(rangesum_~i~1#1 > 2); 2341#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2289#L28-8 assume !!(rangesum_~i~1#1 < 5); 2290#L29-2 assume rangesum_~i~1#1 > 2;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 2323#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2335#L28-8 assume !!(rangesum_~i~1#1 < 5); 2329#L29-2 [2023-11-06 23:12:19,669 INFO L750 eck$LassoCheckResult]: Loop: 2329#L29-2 assume rangesum_~i~1#1 > 2;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 2331#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2328#L28-8 assume !!(rangesum_~i~1#1 < 5); 2329#L29-2 [2023-11-06 23:12:19,669 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:19,669 INFO L85 PathProgramCache]: Analyzing trace with hash -1040814406, now seen corresponding path program 1 times [2023-11-06 23:12:19,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:19,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1275027310] [2023-11-06 23:12:19,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:19,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:19,685 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:12:19,685 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [954639879] [2023-11-06 23:12:19,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:19,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:12:19,706 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:19,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2023-11-06 23:12:19,712 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:12:19,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Waiting until timeout for monitored process [2023-11-06 23:12:19,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:19,833 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:12:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:19,886 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:12:19,886 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:19,887 INFO L85 PathProgramCache]: Analyzing trace with hash 81548, now seen corresponding path program 3 times [2023-11-06 23:12:19,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:19,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280642809] [2023-11-06 23:12:19,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:19,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:19,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:19,890 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:12:19,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:19,894 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:12:19,894 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:19,894 INFO L85 PathProgramCache]: Analyzing trace with hash -1533007565, now seen corresponding path program 2 times [2023-11-06 23:12:19,895 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:19,895 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94830988] [2023-11-06 23:12:19,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:19,895 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:19,912 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:12:19,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [22763353] [2023-11-06 23:12:19,912 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-06 23:12:19,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:12:19,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:19,916 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:12:19,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Waiting until timeout for monitored process [2023-11-06 23:12:20,037 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-06 23:12:20,037 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-06 23:12:20,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 23:12:20,042 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:12:20,068 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2023-11-06 23:12:20,068 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:12:20,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:12:20,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94830988] [2023-11-06 23:12:20,068 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:12:20,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22763353] [2023-11-06 23:12:20,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [22763353] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:12:20,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:12:20,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-06 23:12:20,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [686265233] [2023-11-06 23:12:20,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:12:20,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:12:20,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-06 23:12:20,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-06 23:12:20,152 INFO L87 Difference]: Start difference. First operand 70 states and 79 transitions. cyclomatic complexity: 16 Second operand has 5 states, 4 states have (on average 5.5) internal successors, (22), 5 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:20,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:12:20,215 INFO L93 Difference]: Finished difference Result 83 states and 87 transitions. [2023-11-06 23:12:20,215 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 83 states and 87 transitions. [2023-11-06 23:12:20,216 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-06 23:12:20,217 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 83 states to 67 states and 71 transitions. [2023-11-06 23:12:20,217 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 35 [2023-11-06 23:12:20,217 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 40 [2023-11-06 23:12:20,217 INFO L73 IsDeterministic]: Start isDeterministic. Operand 67 states and 71 transitions. [2023-11-06 23:12:20,218 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 23:12:20,218 INFO L218 hiAutomatonCegarLoop]: Abstraction has 67 states and 71 transitions. [2023-11-06 23:12:20,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states and 71 transitions. [2023-11-06 23:12:20,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 56. [2023-11-06 23:12:20,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 56 states have (on average 1.0714285714285714) internal successors, (60), 55 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:12:20,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 60 transitions. [2023-11-06 23:12:20,225 INFO L240 hiAutomatonCegarLoop]: Abstraction has 56 states and 60 transitions. [2023-11-06 23:12:20,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-06 23:12:20,227 INFO L428 stractBuchiCegarLoop]: Abstraction has 56 states and 60 transitions. [2023-11-06 23:12:20,228 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2023-11-06 23:12:20,228 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states and 60 transitions. [2023-11-06 23:12:20,228 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2023-11-06 23:12:20,229 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 23:12:20,229 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 23:12:20,230 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:12:20,232 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-06 23:12:20,233 INFO L748 eck$LassoCheckResult]: Stem: 2621#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 2612#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0; 2613#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 2614#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 2615#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 2616#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 2619#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 2646#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 2645#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 2642#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 2641#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 2630#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 2629#L17-3 assume !(init_nondet_~i~0#1 < 5); 2599#L15 havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;havoc init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;assume { :end_inline_init_nondet } true;havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 2600#L28-3 assume !!(rangesum_~i~1#1 < 5); 2601#L29 assume !(rangesum_~i~1#1 > 2); 2602#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2643#L28-3 assume !!(rangesum_~i~1#1 < 5); 2603#L29 assume !(rangesum_~i~1#1 > 2); 2604#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2608#L28-3 assume !!(rangesum_~i~1#1 < 5); 2623#L29 assume !(rangesum_~i~1#1 > 2); 2640#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2638#L28-3 assume !!(rangesum_~i~1#1 < 5); 2636#L29 assume rangesum_~i~1#1 > 2;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 2606#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2607#L28-3 assume !!(rangesum_~i~1#1 < 5); 2622#L29 assume rangesum_~i~1#1 > 2;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 2634#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2632#L28-3 assume !(rangesum_~i~1#1 < 5); 2626#L28-4 assume 0 != rangesum_~cnt~0#1;rangesum_#res#1 := (if (if rangesum_~ret~0#1 < 0 && 0 != rangesum_~ret~0#1 % rangesum_~cnt~0#1 then (if rangesum_~cnt~0#1 < 0 then rangesum_~ret~0#1 / rangesum_~cnt~0#1 - 1 else 1 + rangesum_~ret~0#1 / rangesum_~cnt~0#1) else rangesum_~ret~0#1 / rangesum_~cnt~0#1) % 4294967296 <= 2147483647 then (if rangesum_~ret~0#1 < 0 && 0 != rangesum_~ret~0#1 % rangesum_~cnt~0#1 then (if rangesum_~cnt~0#1 < 0 then rangesum_~ret~0#1 / rangesum_~cnt~0#1 - 1 else 1 + rangesum_~ret~0#1 / rangesum_~cnt~0#1) else rangesum_~ret~0#1 / rangesum_~cnt~0#1) % 4294967296 else (if rangesum_~ret~0#1 < 0 && 0 != rangesum_~ret~0#1 % rangesum_~cnt~0#1 then (if rangesum_~cnt~0#1 < 0 then rangesum_~ret~0#1 / rangesum_~cnt~0#1 - 1 else 1 + rangesum_~ret~0#1 / rangesum_~cnt~0#1) else rangesum_~ret~0#1 / rangesum_~cnt~0#1) % 4294967296 - 4294967296); 2617#rangesum_returnLabel#1 main_#t~ret5#1 := rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;havoc rangesum_#in~x#1.base, rangesum_#in~x#1.offset;assume { :end_inline_rangesum } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 2618#L28-8 assume !!(rangesum_~i~1#1 < 5); 2627#L29-2 assume !(rangesum_~i~1#1 > 2); 2609#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2610#L28-8 assume !!(rangesum_~i~1#1 < 5); 2628#L29-2 assume !(rangesum_~i~1#1 > 2); 2611#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2595#L28-8 assume !!(rangesum_~i~1#1 < 5); 2596#L29-2 assume !(rangesum_~i~1#1 > 2); 2644#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2593#L28-8 assume !!(rangesum_~i~1#1 < 5); 2594#L29-2 assume rangesum_~i~1#1 > 2;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 2639#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2637#L28-8 assume !!(rangesum_~i~1#1 < 5); 2635#L29-2 assume rangesum_~i~1#1 > 2;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 2633#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2631#L28-8 assume !(rangesum_~i~1#1 < 5); 2624#L28-9 assume 0 != rangesum_~cnt~0#1;rangesum_#res#1 := (if (if rangesum_~ret~0#1 < 0 && 0 != rangesum_~ret~0#1 % rangesum_~cnt~0#1 then (if rangesum_~cnt~0#1 < 0 then rangesum_~ret~0#1 / rangesum_~cnt~0#1 - 1 else 1 + rangesum_~ret~0#1 / rangesum_~cnt~0#1) else rangesum_~ret~0#1 / rangesum_~cnt~0#1) % 4294967296 <= 2147483647 then (if rangesum_~ret~0#1 < 0 && 0 != rangesum_~ret~0#1 % rangesum_~cnt~0#1 then (if rangesum_~cnt~0#1 < 0 then rangesum_~ret~0#1 / rangesum_~cnt~0#1 - 1 else 1 + rangesum_~ret~0#1 / rangesum_~cnt~0#1) else rangesum_~ret~0#1 / rangesum_~cnt~0#1) % 4294967296 else (if rangesum_~ret~0#1 < 0 && 0 != rangesum_~ret~0#1 % rangesum_~cnt~0#1 then (if rangesum_~cnt~0#1 < 0 then rangesum_~ret~0#1 / rangesum_~cnt~0#1 - 1 else 1 + rangesum_~ret~0#1 / rangesum_~cnt~0#1) else rangesum_~ret~0#1 / rangesum_~cnt~0#1) % 4294967296 - 4294967296); 2597#rangesum_returnLabel#2 main_#t~ret8#1 := rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;havoc rangesum_#in~x#1.base, rangesum_#in~x#1.offset;assume { :end_inline_rangesum } true;main_~ret2~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1;call main_#t~mem9#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem9#1;havoc main_#t~mem9#1;main_~i~2#1 := 0; 2598#L54-3 [2023-11-06 23:12:20,233 INFO L750 eck$LassoCheckResult]: Loop: 2598#L54-3 assume !!(main_~i~2#1 < 4);call main_#t~mem11#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~2#1), 4);call write~int(main_#t~mem11#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~2#1, 4);havoc main_#t~mem11#1; 2620#L54-2 main_#t~post10#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post10#1;havoc main_#t~post10#1; 2598#L54-3 [2023-11-06 23:12:20,234 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:20,234 INFO L85 PathProgramCache]: Analyzing trace with hash -46487371, now seen corresponding path program 1 times [2023-11-06 23:12:20,234 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:20,234 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [749056143] [2023-11-06 23:12:20,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:20,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:20,259 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:12:20,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1912263872] [2023-11-06 23:12:20,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:20,260 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:12:20,260 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:20,267 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:12:20,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Waiting until timeout for monitored process [2023-11-06 23:12:20,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:20,390 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:12:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:20,448 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:12:20,448 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:20,448 INFO L85 PathProgramCache]: Analyzing trace with hash 3331, now seen corresponding path program 1 times [2023-11-06 23:12:20,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:20,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [752562897] [2023-11-06 23:12:20,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:20,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:20,453 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:12:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:20,456 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:12:20,456 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:12:20,457 INFO L85 PathProgramCache]: Analyzing trace with hash -1724688201, now seen corresponding path program 1 times [2023-11-06 23:12:20,457 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:12:20,457 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75024827] [2023-11-06 23:12:20,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:20,457 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:12:20,480 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:12:20,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [870218453] [2023-11-06 23:12:20,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:12:20,480 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:12:20,480 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:12:20,484 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:12:20,501 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Waiting until timeout for monitored process [2023-11-06 23:12:20,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:20,628 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:12:20,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:12:20,693 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:12:46,912 WARN L293 SmtUtils]: Spent 26.14s on a formula simplification. DAG size of input: 340 DAG size of output: 264 (called from [L 279] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2023-11-06 23:12:51,004 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 23:12:51,004 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 23:12:51,004 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 23:12:51,005 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 23:12:51,005 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 23:12:51,005 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:12:51,005 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 23:12:51,005 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 23:12:51,005 INFO L133 ssoRankerPreferences]: Filename of dumped script: rangesum05.i_Iteration13_Lasso [2023-11-06 23:12:51,005 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 23:12:51,005 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 23:12:51,021 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:51,023 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:51,025 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:51,027 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:53,760 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:53,762 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:53,765 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:53,767 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:53,769 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:53,775 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:53,778 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:53,780 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:53,783 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:53,785 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:53,788 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:53,791 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:53,793 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:53,797 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:53,800 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:53,803 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:53,806 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:53,809 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:53,811 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:53,813 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:53,815 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:53,817 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:53,819 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:12:54,972 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 18 [2023-11-06 23:13:03,797 WARN L293 SmtUtils]: Spent 7.96s on a formula simplification. DAG size of input: 428 DAG size of output: 74 (called from [L 68] de.uni_freiburg.informatik.ultimate.icfgtransformer.transformulatransformers.SimplifyPreprocessor.process) [2023-11-06 23:13:03,854 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 23:13:03,854 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 23:13:03,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:13:03,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:13:03,858 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:13:03,859 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 [2023-11-06 23:13:03,872 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:13:03,872 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:13:03,872 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:13:03,872 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:13:03,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:13:03,873 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:13:03,873 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:13:03,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2023-11-06 23:13:03,884 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:13:03,887 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:03,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:13:03,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:13:03,889 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:13:03,896 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 [2023-11-06 23:13:03,908 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:13:03,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:13:03,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:13:03,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:13:03,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:13:03,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:13:03,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:13:03,910 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2023-11-06 23:13:03,924 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:13:03,927 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:03,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:13:03,927 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:13:03,928 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:13:03,936 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 [2023-11-06 23:13:03,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:13:03,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:13:03,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:13:03,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:13:03,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:13:03,948 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:13:03,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:13:03,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2023-11-06 23:13:03,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:13:03,961 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:03,961 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:13:03,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:13:03,962 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:13:03,966 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 [2023-11-06 23:13:03,978 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:13:03,978 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:13:03,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:13:03,978 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:13:03,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2023-11-06 23:13:03,980 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:13:03,980 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:13:03,999 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:13:04,002 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:04,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:13:04,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:13:04,004 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:13:04,007 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 [2023-11-06 23:13:04,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:13:04,020 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:13:04,020 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:13:04,020 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:13:04,021 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:13:04,022 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:13:04,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2023-11-06 23:13:04,032 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:13:04,035 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:04,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:13:04,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:13:04,037 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:13:04,040 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 [2023-11-06 23:13:04,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:13:04,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:13:04,053 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:13:04,053 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:13:04,054 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:13:04,054 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:13:04,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2023-11-06 23:13:04,071 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:13:04,074 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:04,075 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:13:04,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:13:04,076 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:13:04,079 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 [2023-11-06 23:13:04,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:13:04,091 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:13:04,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:13:04,092 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:13:04,093 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:13:04,093 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:13:04,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2023-11-06 23:13:04,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:13:04,118 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:04,118 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:13:04,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:13:04,119 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:13:04,123 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 [2023-11-06 23:13:04,135 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:13:04,135 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:13:04,135 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:13:04,135 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:13:04,137 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:13:04,138 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:13:04,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2023-11-06 23:13:04,149 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:13:04,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:04,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:13:04,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:13:04,154 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:13:04,157 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 [2023-11-06 23:13:04,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2023-11-06 23:13:04,169 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:13:04,170 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:13:04,170 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:13:04,170 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:13:04,172 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:13:04,172 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:13:04,199 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:13:04,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:04,203 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:13:04,203 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:13:04,204 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:13:04,207 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 [2023-11-06 23:13:04,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:13:04,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:13:04,220 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:13:04,220 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:13:04,222 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:13:04,222 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:13:04,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2023-11-06 23:13:04,243 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:13:04,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:04,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:13:04,247 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:13:04,248 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:13:04,251 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 [2023-11-06 23:13:04,263 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:13:04,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:13:04,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:13:04,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:13:04,265 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:13:04,266 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:13:04,267 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2023-11-06 23:13:04,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:13:04,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:04,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:13:04,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:13:04,293 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:13:04,297 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 [2023-11-06 23:13:04,309 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:13:04,309 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:13:04,309 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:13:04,309 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:13:04,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2023-11-06 23:13:04,313 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-06 23:13:04,313 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-06 23:13:04,330 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 23:13:04,368 INFO L443 ModelExtractionUtils]: Simplification made 12 calls to the SMT solver. [2023-11-06 23:13:04,368 INFO L444 ModelExtractionUtils]: 0 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-11-06 23:13:04,369 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:13:04,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:13:04,372 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:13:04,374 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 23:13:04,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2023-11-06 23:13:04,408 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-06 23:13:04,408 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 23:13:04,408 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_3, ULTIMATE.start_main_~i~2#1) = 7*v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_3 - 40*ULTIMATE.start_main_~i~2#1 Supporting invariants [] [2023-11-06 23:13:04,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:04,489 INFO L156 tatePredicateManager]: 16 out of 17 supporting invariants were superfluous and have been removed [2023-11-06 23:13:04,492 WARN L1553 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#x~0!base] could not be translated [2023-11-06 23:13:04,516 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:04,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:04,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 23:13:04,571 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:13:04,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:04,762 INFO L262 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-06 23:13:04,763 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:13:04,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:13:04,793 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2023-11-06 23:13:04,793 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 56 states and 60 transitions. cyclomatic complexity: 9 Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:04,847 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 56 states and 60 transitions. cyclomatic complexity: 9. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 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 59 states and 66 transitions. Complement of second has 8 states. [2023-11-06 23:13:04,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-06 23:13:04,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:04,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2023-11-06 23:13:04,849 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 50 letters. Loop has 2 letters. [2023-11-06 23:13:04,850 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:13:04,851 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 52 letters. Loop has 2 letters. [2023-11-06 23:13:04,851 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:13:04,852 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 50 letters. Loop has 4 letters. [2023-11-06 23:13:04,852 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:13:04,852 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 66 transitions. [2023-11-06 23:13:04,853 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-06 23:13:04,854 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 57 states and 62 transitions. [2023-11-06 23:13:04,854 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2023-11-06 23:13:04,854 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 31 [2023-11-06 23:13:04,854 INFO L73 IsDeterministic]: Start isDeterministic. Operand 57 states and 62 transitions. [2023-11-06 23:13:04,856 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-06 23:13:04,856 INFO L218 hiAutomatonCegarLoop]: Abstraction has 57 states and 62 transitions. [2023-11-06 23:13:04,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states and 62 transitions. [2023-11-06 23:13:04,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2023-11-06 23:13:04,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 57 states have (on average 1.087719298245614) internal successors, (62), 56 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:04,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 62 transitions. [2023-11-06 23:13:04,858 INFO L240 hiAutomatonCegarLoop]: Abstraction has 57 states and 62 transitions. [2023-11-06 23:13:04,858 INFO L428 stractBuchiCegarLoop]: Abstraction has 57 states and 62 transitions. [2023-11-06 23:13:04,858 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2023-11-06 23:13:04,858 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 57 states and 62 transitions. [2023-11-06 23:13:04,859 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2023-11-06 23:13:04,859 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-06 23:13:04,859 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-06 23:13:04,861 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 5, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 23:13:04,861 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-06 23:13:04,864 INFO L748 eck$LassoCheckResult]: Stem: 2989#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(13, 2); 2978#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem11#1, main_#t~post10#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);assume { :begin_inline_init_nondet } true;init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;init_nondet_~x#1.base, init_nondet_~x#1.offset := init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;havoc init_nondet_~i~0#1;init_nondet_~i~0#1 := 0; 2979#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 2980#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 2981#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 2982#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 3006#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 3004#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 3002#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 3000#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 2998#L17-3 assume !!(init_nondet_~i~0#1 < 5);havoc init_nondet_#t~nondet2#1;call write~int(init_nondet_#t~nondet2#1, init_nondet_~x#1.base, init_nondet_~x#1.offset + 4 * init_nondet_~i~0#1, 4);havoc init_nondet_#t~nondet2#1; 2995#L17-2 init_nondet_#t~post1#1 := init_nondet_~i~0#1;init_nondet_~i~0#1 := 1 + init_nondet_#t~post1#1;havoc init_nondet_#t~post1#1; 2994#L17-3 assume !(init_nondet_~i~0#1 < 5); 2968#L15 havoc init_nondet_#t~nondet2#1, init_nondet_#t~post1#1, init_nondet_~x#1.base, init_nondet_~x#1.offset, init_nondet_~i~0#1;havoc init_nondet_#in~x#1.base, init_nondet_#in~x#1.offset;assume { :end_inline_init_nondet } true;havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 2969#L28-3 assume !!(rangesum_~i~1#1 < 5); 2970#L29 assume !(rangesum_~i~1#1 > 2); 2971#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2977#L28-3 assume !!(rangesum_~i~1#1 < 5); 2972#L29 assume !(rangesum_~i~1#1 > 2); 2973#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 3016#L28-3 assume !!(rangesum_~i~1#1 < 5); 3014#L29 assume !(rangesum_~i~1#1 > 2); 3015#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 3013#L28-3 assume !!(rangesum_~i~1#1 < 5); 3012#L29 assume rangesum_~i~1#1 > 2;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 2975#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2976#L28-3 assume !!(rangesum_~i~1#1 < 5); 3011#L29 assume rangesum_~i~1#1 > 2;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 3010#L28-2 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 3009#L28-3 assume !(rangesum_~i~1#1 < 5); 2992#L28-4 assume 0 != rangesum_~cnt~0#1;rangesum_#res#1 := (if (if rangesum_~ret~0#1 < 0 && 0 != rangesum_~ret~0#1 % rangesum_~cnt~0#1 then (if rangesum_~cnt~0#1 < 0 then rangesum_~ret~0#1 / rangesum_~cnt~0#1 - 1 else 1 + rangesum_~ret~0#1 / rangesum_~cnt~0#1) else rangesum_~ret~0#1 / rangesum_~cnt~0#1) % 4294967296 <= 2147483647 then (if rangesum_~ret~0#1 < 0 && 0 != rangesum_~ret~0#1 % rangesum_~cnt~0#1 then (if rangesum_~cnt~0#1 < 0 then rangesum_~ret~0#1 / rangesum_~cnt~0#1 - 1 else 1 + rangesum_~ret~0#1 / rangesum_~cnt~0#1) else rangesum_~ret~0#1 / rangesum_~cnt~0#1) % 4294967296 else (if rangesum_~ret~0#1 < 0 && 0 != rangesum_~ret~0#1 % rangesum_~cnt~0#1 then (if rangesum_~cnt~0#1 < 0 then rangesum_~ret~0#1 / rangesum_~cnt~0#1 - 1 else 1 + rangesum_~ret~0#1 / rangesum_~cnt~0#1) else rangesum_~ret~0#1 / rangesum_~cnt~0#1) % 4294967296 - 4294967296); 2986#rangesum_returnLabel#1 main_#t~ret5#1 := rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;havoc rangesum_#in~x#1.base, rangesum_#in~x#1.offset;assume { :end_inline_rangesum } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 2962#L28-8 assume !!(rangesum_~i~1#1 < 5); 2963#L29-2 assume !(rangesum_~i~1#1 > 2); 2983#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2964#L28-8 assume !!(rangesum_~i~1#1 < 5); 2965#L29-2 assume !(rangesum_~i~1#1 > 2); 2984#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2985#L28-8 assume !!(rangesum_~i~1#1 < 5); 3008#L29-2 assume !(rangesum_~i~1#1 > 2); 3007#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 3005#L28-8 assume !!(rangesum_~i~1#1 < 5); 3003#L29-2 assume rangesum_~i~1#1 > 2;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 3001#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2999#L28-8 assume !!(rangesum_~i~1#1 < 5); 2997#L29-2 assume rangesum_~i~1#1 > 2;call rangesum_#t~mem4#1 := read~int(rangesum_~x#1.base, rangesum_~x#1.offset + 4 * rangesum_~i~1#1, 4);rangesum_~ret~0#1 := rangesum_~ret~0#1 + rangesum_#t~mem4#1;havoc rangesum_#t~mem4#1;rangesum_~cnt~0#1 := 1 + rangesum_~cnt~0#1; 2996#L28-7 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2993#L28-8 assume !(rangesum_~i~1#1 < 5); 2990#L28-9 assume 0 != rangesum_~cnt~0#1;rangesum_#res#1 := (if (if rangesum_~ret~0#1 < 0 && 0 != rangesum_~ret~0#1 % rangesum_~cnt~0#1 then (if rangesum_~cnt~0#1 < 0 then rangesum_~ret~0#1 / rangesum_~cnt~0#1 - 1 else 1 + rangesum_~ret~0#1 / rangesum_~cnt~0#1) else rangesum_~ret~0#1 / rangesum_~cnt~0#1) % 4294967296 <= 2147483647 then (if rangesum_~ret~0#1 < 0 && 0 != rangesum_~ret~0#1 % rangesum_~cnt~0#1 then (if rangesum_~cnt~0#1 < 0 then rangesum_~ret~0#1 / rangesum_~cnt~0#1 - 1 else 1 + rangesum_~ret~0#1 / rangesum_~cnt~0#1) else rangesum_~ret~0#1 / rangesum_~cnt~0#1) % 4294967296 else (if rangesum_~ret~0#1 < 0 && 0 != rangesum_~ret~0#1 % rangesum_~cnt~0#1 then (if rangesum_~cnt~0#1 < 0 then rangesum_~ret~0#1 / rangesum_~cnt~0#1 - 1 else 1 + rangesum_~ret~0#1 / rangesum_~cnt~0#1) else rangesum_~ret~0#1 / rangesum_~cnt~0#1) % 4294967296 - 4294967296); 2966#rangesum_returnLabel#2 main_#t~ret8#1 := rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;havoc rangesum_#in~x#1.base, rangesum_#in~x#1.offset;assume { :end_inline_rangesum } true;main_~ret2~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1;call main_#t~mem9#1 := read~int(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem9#1;havoc main_#t~mem9#1;main_~i~2#1 := 0; 2967#L54-3 assume !(main_~i~2#1 < 4); 2991#L54-4 havoc main_~i~2#1;call write~int(main_~temp~0#1, main_~#x~0#1.base, 16 + main_~#x~0#1.offset, 4);assume { :begin_inline_rangesum } true;rangesum_#in~x#1.base, rangesum_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc rangesum_#res#1;havoc rangesum_#t~mem4#1, rangesum_#t~post3#1, rangesum_~x#1.base, rangesum_~x#1.offset, rangesum_~i~1#1, rangesum_~ret~0#1, rangesum_~cnt~0#1;rangesum_~x#1.base, rangesum_~x#1.offset := rangesum_#in~x#1.base, rangesum_#in~x#1.offset;havoc rangesum_~i~1#1;havoc rangesum_~ret~0#1;rangesum_~ret~0#1 := 0;rangesum_~cnt~0#1 := 0;rangesum_~i~1#1 := 0; 2974#L28-13 [2023-11-06 23:13:04,864 INFO L750 eck$LassoCheckResult]: Loop: 2974#L28-13 assume !!(rangesum_~i~1#1 < 5); 2960#L29-4 assume !(rangesum_~i~1#1 > 2); 2961#L28-12 rangesum_#t~post3#1 := rangesum_~i~1#1;rangesum_~i~1#1 := 1 + rangesum_#t~post3#1;havoc rangesum_#t~post3#1; 2974#L28-13 [2023-11-06 23:13:04,864 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:04,865 INFO L85 PathProgramCache]: Analyzing trace with hash -1724688259, now seen corresponding path program 1 times [2023-11-06 23:13:04,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:13:04,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199417183] [2023-11-06 23:13:04,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:04,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:13:04,883 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-06 23:13:04,884 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1507208060] [2023-11-06 23:13:04,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:04,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-06 23:13:04,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:13:04,885 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-06 23:13:04,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (85)] Waiting until timeout for monitored process [2023-11-06 23:13:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:05,017 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:13:05,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:13:05,025 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2023-11-06 23:13:05,025 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-06 23:13:05,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 23:13:05,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199417183] [2023-11-06 23:13:05,026 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-06 23:13:05,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1507208060] [2023-11-06 23:13:05,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1507208060] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 23:13:05,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 23:13:05,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 23:13:05,027 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52996589] [2023-11-06 23:13:05,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 23:13:05,028 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-06 23:13:05,028 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:05,028 INFO L85 PathProgramCache]: Analyzing trace with hash 117337, now seen corresponding path program 1 times [2023-11-06 23:13:05,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 23:13:05,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247211857] [2023-11-06 23:13:05,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 23:13:05,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 23:13:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:13:05,032 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-06 23:13:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-06 23:13:05,035 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-06 23:13:05,052 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 23:13:05,052 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 23:13:05,052 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 23:13:05,052 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 23:13:05,052 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2023-11-06 23:13:05,052 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:13:05,052 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 23:13:05,052 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 23:13:05,053 INFO L133 ssoRankerPreferences]: Filename of dumped script: rangesum05.i_Iteration14_Loop [2023-11-06 23:13:05,053 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 23:13:05,053 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 23:13:05,053 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:13:05,057 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:13:05,077 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 23:13:05,077 INFO L404 LassoAnalysis]: Checking for nontermination... [2023-11-06 23:13:05,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:13:05,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:13:05,081 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:13:05,088 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 23:13:05,088 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:13:05,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2023-11-06 23:13:05,108 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2023-11-06 23:13:05,108 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_rangesum_#t~post3#1=0} Honda state: {ULTIMATE.start_rangesum_#t~post3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2023-11-06 23:13:05,110 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:05,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:13:05,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:13:05,111 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:13:05,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2023-11-06 23:13:05,114 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2023-11-06 23:13:05,114 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:13:05,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Ended with exit code 0 [2023-11-06 23:13:05,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:13:05,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:13:05,130 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:13:05,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2023-11-06 23:13:05,133 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2023-11-06 23:13:05,133 INFO L160 nArgumentSynthesizer]: Using integer mode. [2023-11-06 23:13:05,153 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2023-11-06 23:13:05,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:05,156 INFO L210 LassoAnalysis]: Preferences: [2023-11-06 23:13:05,156 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-06 23:13:05,156 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-06 23:13:05,156 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-06 23:13:05,156 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-06 23:13:05,156 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:13:05,156 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-06 23:13:05,156 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-06 23:13:05,156 INFO L133 ssoRankerPreferences]: Filename of dumped script: rangesum05.i_Iteration14_Loop [2023-11-06 23:13:05,156 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-06 23:13:05,156 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-06 23:13:05,157 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:13:05,165 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-06 23:13:05,186 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-06 23:13:05,186 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-06 23:13:05,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:13:05,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:13:05,188 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:13:05,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2023-11-06 23:13:05,190 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 [2023-11-06 23:13:05,199 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:13:05,200 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:13:05,200 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:13:05,200 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:13:05,200 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:13:05,202 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:13:05,202 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:13:05,203 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-06 23:13:05,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:05,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:13:05,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:13:05,207 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:13:05,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2023-11-06 23:13:05,209 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 [2023-11-06 23:13:05,219 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-06 23:13:05,219 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-06 23:13:05,219 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-06 23:13:05,219 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-06 23:13:05,219 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-06 23:13:05,220 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-06 23:13:05,220 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-06 23:13:05,222 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-06 23:13:05,224 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2023-11-06 23:13:05,224 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2023-11-06 23:13:05,224 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-06 23:13:05,224 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 23:13:05,227 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-06 23:13:05,227 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2023-11-06 23:13:05,228 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-06 23:13:05,228 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2023-11-06 23:13:05,228 INFO L513 LassoAnalysis]: Proved termination. [2023-11-06 23:13:05,228 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_rangesum_~i~1#1) = -2*ULTIMATE.start_rangesum_~i~1#1 + 5 Supporting invariants [] [2023-11-06 23:13:05,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Ended with exit code 0 [2023-11-06 23:13:05,231 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2023-11-06 23:13:05,244 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 23:13:05,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:05,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-06 23:13:05,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:13:05,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 23:13:05,374 WARN L260 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-06 23:13:05,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-06 23:13:05,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 23:13:05,390 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-06 23:13:05,390 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 57 states and 62 transitions. cyclomatic complexity: 10 Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:05,408 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 57 states and 62 transitions. cyclomatic complexity: 10. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 60 states and 66 transitions. Complement of second has 6 states. [2023-11-06 23:13:05,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-06 23:13:05,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:05,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2023-11-06 23:13:05,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 52 letters. Loop has 3 letters. [2023-11-06 23:13:05,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:13:05,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 55 letters. Loop has 3 letters. [2023-11-06 23:13:05,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:13:05,410 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 52 letters. Loop has 6 letters. [2023-11-06 23:13:05,410 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-06 23:13:05,411 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 66 transitions. [2023-11-06 23:13:05,411 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 23:13:05,411 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 0 states and 0 transitions. [2023-11-06 23:13:05,412 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-06 23:13:05,412 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-06 23:13:05,412 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-06 23:13:05,412 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:13:05,412 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 23:13:05,412 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 23:13:05,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 23:13:05,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 23:13:05,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 23:13:05,413 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-06 23:13:05,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 23:13:05,413 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2023-11-06 23:13:05,413 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2023-11-06 23:13:05,414 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 23:13:05,414 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2023-11-06 23:13:05,414 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-06 23:13:05,414 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-06 23:13:05,414 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-06 23:13:05,414 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 23:13:05,414 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 23:13:05,414 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 23:13:05,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 23:13:05,415 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-06 23:13:05,415 INFO L335 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2023-11-06 23:13:05,415 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-06 23:13:05,416 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-06 23:13:05,416 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-06 23:13:05,422 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.11 11:13:05 BoogieIcfgContainer [2023-11-06 23:13:05,422 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-06 23:13:05,423 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 23:13:05,423 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 23:13:05,423 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 23:13:05,423 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 11:12:08" (3/4) ... [2023-11-06 23:13:05,425 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-06 23:13:05,426 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 23:13:05,426 INFO L158 Benchmark]: Toolchain (without parser) took 57908.32ms. Allocated memory was 174.1MB in the beginning and 371.2MB in the end (delta: 197.1MB). Free memory was 142.7MB in the beginning and 162.5MB in the end (delta: -19.8MB). Peak memory consumption was 178.6MB. Max. memory is 16.1GB. [2023-11-06 23:13:05,426 INFO L158 Benchmark]: CDTParser took 0.64ms. Allocated memory is still 130.0MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:13:05,427 INFO L158 Benchmark]: CACSL2BoogieTranslator took 263.17ms. Allocated memory is still 174.1MB. Free memory was 142.7MB in the beginning and 131.8MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-06 23:13:05,427 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.30ms. Allocated memory is still 174.1MB. Free memory was 131.8MB in the beginning and 129.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:13:05,427 INFO L158 Benchmark]: Boogie Preprocessor took 55.08ms. Allocated memory is still 174.1MB. Free memory was 129.8MB in the beginning and 128.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 23:13:05,427 INFO L158 Benchmark]: RCFGBuilder took 536.16ms. Allocated memory is still 174.1MB. Free memory was 128.2MB in the beginning and 113.0MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 23:13:05,428 INFO L158 Benchmark]: BuchiAutomizer took 56988.50ms. Allocated memory was 174.1MB in the beginning and 371.2MB in the end (delta: 197.1MB). Free memory was 113.0MB in the beginning and 162.5MB in the end (delta: -49.6MB). Peak memory consumption was 149.2MB. Max. memory is 16.1GB. [2023-11-06 23:13:05,428 INFO L158 Benchmark]: Witness Printer took 2.84ms. Allocated memory is still 371.2MB. Free memory is still 162.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 23:13:05,430 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.64ms. Allocated memory is still 130.0MB. Free memory is still 102.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 263.17ms. Allocated memory is still 174.1MB. Free memory was 142.7MB in the beginning and 131.8MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.30ms. Allocated memory is still 174.1MB. Free memory was 131.8MB in the beginning and 129.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.08ms. Allocated memory is still 174.1MB. Free memory was 129.8MB in the beginning and 128.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 536.16ms. Allocated memory is still 174.1MB. Free memory was 128.2MB in the beginning and 113.0MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 56988.50ms. Allocated memory was 174.1MB in the beginning and 371.2MB in the end (delta: 197.1MB). Free memory was 113.0MB in the beginning and 162.5MB in the end (delta: -49.6MB). Peak memory consumption was 149.2MB. Max. memory is 16.1GB. * Witness Printer took 2.84ms. Allocated memory is still 371.2MB. Free memory is still 162.5MB. 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 #length[~x!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~x!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~#x~0!base] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 16 terminating modules (10 trivial, 6 deterministic, 0 nondeterministic). One deterministic module has affine ranking function NULL and consists of 5 locations. One deterministic module has affine ranking function NULL and consists of 4 locations. One deterministic module has affine ranking function (5 + (-2 * i)) and consists of 4 locations. One deterministic module has affine ranking function (3 + (-2 * i)) and consists of 3 locations. One deterministic module has affine ranking function NULL and consists of 5 locations. One deterministic module has affine ranking function (5 + (-2 * i)) and consists of 4 locations. 10 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 56.9s and 15 iterations. TraceHistogramMax:5. Analysis of lassos took 54.6s. Construction of modules took 0.4s. Büchi inclusion checks took 1.5s. Highest rank in rank-based complementation 3. Minimization of det autom 8. Minimization of nondet autom 8. Automata minimization 0.1s AutomataMinimizationTime, 14 MinimizatonAttempts, 59 StatesRemovedByMinimization, 10 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 [6, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 268 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 263 mSDsluCounter, 603 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 302 mSDsCounter, 114 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 338 IncrementalHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 114 mSolverCounterUnsat, 301 mSDtfsCounter, 338 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc3 concLT0 SILN0 SILU5 SILI0 SILT2 lasso3 LassoPreprocessingBenchmarks: Lassos: inital165 mio100 ax100 hnf100 lsp148 ukn85 mio100 lsp84 div96 bol100 ite100 ukn100 eq160 hnf93 smp97 dnf909 smp89 tf108 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 45ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-06 23:13:05,450 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:05,653 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (85)] Ended with exit code 0 [2023-11-06 23:13:05,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Ended with exit code 0 [2023-11-06 23:13:06,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (71)] Ended with exit code 0 [2023-11-06 23:13:06,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (70)] Ended with exit code 0 [2023-11-06 23:13:06,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (69)] Ended with exit code 0 [2023-11-06 23:13:06,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (68)] Ended with exit code 0 [2023-11-06 23:13:06,854 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (67)] Forceful destruction successful, exit code 0 [2023-11-06 23:13:07,054 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (60)] Ended with exit code 0 [2023-11-06 23:13:07,254 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Ended with exit code 0 [2023-11-06 23:13:07,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2023-11-06 23:13:07,654 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2023-11-06 23:13:07,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf9875b2-ea1a-45fa-ac83-31f72d035b50/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE