./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/array-memsafety/array01-alloca-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 527bcce2 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_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/array-memsafety/array01-alloca-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c01598788c0e593641b4d52eb46aec8832108f2ffb3b67e30286093c8a1926f8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:06:03,988 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:06:04,109 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-21 22:06:04,118 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:06:04,119 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:06:04,158 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:06:04,159 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:06:04,160 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:06:04,161 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:06:04,166 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:06:04,167 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:06:04,168 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:06:04,169 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:06:04,171 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-21 22:06:04,172 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-21 22:06:04,172 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-21 22:06:04,174 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-21 22:06:04,175 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-21 22:06:04,175 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-21 22:06:04,176 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:06:04,176 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-21 22:06:04,177 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:06:04,178 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:06:04,178 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:06:04,179 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:06:04,179 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-21 22:06:04,180 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-21 22:06:04,180 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-21 22:06:04,181 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:06:04,181 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:06:04,183 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:06:04,183 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-21 22:06:04,183 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:06:04,184 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:06:04,184 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:06:04,185 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:06:04,185 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:06:04,186 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-21 22:06:04,186 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_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c01598788c0e593641b4d52eb46aec8832108f2ffb3b67e30286093c8a1926f8 [2023-11-21 22:06:04,518 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:06:04,554 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:06:04,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:06:04,558 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:06:04,559 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:06:04,560 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/array-memsafety/array01-alloca-2.i [2023-11-21 22:06:07,811 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:06:08,114 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:06:08,115 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/sv-benchmarks/c/array-memsafety/array01-alloca-2.i [2023-11-21 22:06:08,133 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/data/77ea8498d/833b384c54dc4d759c1878cc6c799b2c/FLAG122b7a9b9 [2023-11-21 22:06:08,149 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/data/77ea8498d/833b384c54dc4d759c1878cc6c799b2c [2023-11-21 22:06:08,152 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:06:08,154 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:06:08,155 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:06:08,156 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:06:08,162 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:06:08,163 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:06:08" (1/1) ... [2023-11-21 22:06:08,164 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7bf74c87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:08, skipping insertion in model container [2023-11-21 22:06:08,164 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:06:08" (1/1) ... [2023-11-21 22:06:08,208 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:06:08,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:06:08,582 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:06:08,636 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:06:08,662 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:06:08,663 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:08 WrapperNode [2023-11-21 22:06:08,663 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:06:08,664 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:06:08,664 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:06:08,664 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:06:08,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:08" (1/1) ... [2023-11-21 22:06:08,684 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:08" (1/1) ... [2023-11-21 22:06:08,704 INFO L138 Inliner]: procedures = 116, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 56 [2023-11-21 22:06:08,704 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:06:08,705 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:06:08,705 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:06:08,706 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:06:08,716 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:08" (1/1) ... [2023-11-21 22:06:08,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:08" (1/1) ... [2023-11-21 22:06:08,720 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:08" (1/1) ... [2023-11-21 22:06:08,730 INFO L187 HeapSplitter]: Split 4 memory accesses to 1 slices as follows [4] [2023-11-21 22:06:08,730 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:08" (1/1) ... [2023-11-21 22:06:08,730 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:08" (1/1) ... [2023-11-21 22:06:08,736 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:08" (1/1) ... [2023-11-21 22:06:08,739 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:08" (1/1) ... [2023-11-21 22:06:08,741 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:08" (1/1) ... [2023-11-21 22:06:08,742 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:08" (1/1) ... [2023-11-21 22:06:08,745 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:06:08,746 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:06:08,746 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:06:08,746 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:06:08,747 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:08" (1/1) ... [2023-11-21 22:06:08,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:08,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:08,782 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:08,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-21 22:06:08,832 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 22:06:08,833 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 22:06:08,833 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:06:08,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:06:08,833 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:06:08,833 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:06:08,943 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:06:08,945 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:06:09,072 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:06:09,098 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:06:09,099 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 22:06:09,107 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:06:09 BoogieIcfgContainer [2023-11-21 22:06:09,107 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:06:09,108 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-21 22:06:09,108 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-21 22:06:09,112 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-21 22:06:09,113 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:06:09,113 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 10:06:08" (1/3) ... [2023-11-21 22:06:09,114 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78323d2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:06:09, skipping insertion in model container [2023-11-21 22:06:09,115 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:06:09,115 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:06:08" (2/3) ... [2023-11-21 22:06:09,115 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@78323d2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:06:09, skipping insertion in model container [2023-11-21 22:06:09,115 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:06:09,116 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:06:09" (3/3) ... [2023-11-21 22:06:09,117 INFO L332 chiAutomizerObserver]: Analyzing ICFG array01-alloca-2.i [2023-11-21 22:06:09,188 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-21 22:06:09,188 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-21 22:06:09,189 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-21 22:06:09,189 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-21 22:06:09,189 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-21 22:06:09,189 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-21 22:06:09,189 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-21 22:06:09,189 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-21 22:06:09,193 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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) [2023-11-21 22:06:09,209 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-21 22:06:09,209 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:06:09,209 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:06:09,215 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-21 22:06:09,215 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 22:06:09,215 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-21 22:06:09,215 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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) [2023-11-21 22:06:09,217 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2023-11-21 22:06:09,217 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:06:09,217 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:06:09,218 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-21 22:06:09,218 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 22:06:09,226 INFO L748 eck$LassoCheckResult]: Stem: 13#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~k~0#1, main_#t~ret11#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet7#1;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 11#L526true assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 3#L526-2true call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~k~0#1 := 0; 4#L531-3true [2023-11-21 22:06:09,226 INFO L750 eck$LassoCheckResult]: Loop: 4#L531-3true assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 12#L531-2true main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 4#L531-3true [2023-11-21 22:06:09,231 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:09,231 INFO L85 PathProgramCache]: Analyzing trace with hash 925669, now seen corresponding path program 1 times [2023-11-21 22:06:09,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:09,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1403361314] [2023-11-21 22:06:09,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:09,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:09,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:09,351 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:09,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:09,382 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:09,385 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:09,386 INFO L85 PathProgramCache]: Analyzing trace with hash 1507, now seen corresponding path program 1 times [2023-11-21 22:06:09,386 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:09,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007994565] [2023-11-21 22:06:09,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:09,387 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:09,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:09,409 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:09,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:09,426 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:09,427 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:09,428 INFO L85 PathProgramCache]: Analyzing trace with hash 889568455, now seen corresponding path program 1 times [2023-11-21 22:06:09,428 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:09,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047373529] [2023-11-21 22:06:09,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:09,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:09,458 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:09,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:09,479 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:09,806 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:06:09,807 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:06:09,807 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:06:09,807 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:06:09,808 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:06:09,808 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:09,808 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:06:09,808 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:06:09,808 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-2.i_Iteration1_Lasso [2023-11-21 22:06:09,809 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:06:09,809 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:06:09,828 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:09,838 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:09,841 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:09,850 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:09,854 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:09,858 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:10,078 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:10,082 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:10,085 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:10,091 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:10,497 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:06:10,502 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:06:10,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:10,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:10,506 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:10,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-21 22:06:10,517 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 [2023-11-21 22:06:10,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:10,532 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:10,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:10,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:10,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:10,535 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:10,535 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:10,545 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:10,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:10,569 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:10,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:10,570 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:10,577 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 [2023-11-21 22:06:10,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:10,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:10,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:10,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:10,591 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:10,592 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:10,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:10,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-21 22:06:10,605 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:10,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:10,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:10,628 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:10,629 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:10,636 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 [2023-11-21 22:06:10,648 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:10,648 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:10,648 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:10,648 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:10,652 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:10,652 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:10,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-21 22:06:10,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:10,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:10,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:10,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:10,689 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:10,696 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 [2023-11-21 22:06:10,709 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:10,709 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:10,709 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:10,710 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:10,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-21 22:06:10,714 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:10,715 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:10,726 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:10,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:10,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:10,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:10,752 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:10,754 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 [2023-11-21 22:06:10,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:10,767 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:10,767 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:10,767 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:10,775 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:10,775 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:10,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-21 22:06:10,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:10,810 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:10,811 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:10,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:10,814 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:10,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-21 22:06:10,823 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 [2023-11-21 22:06:10,835 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:10,835 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:10,835 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:10,836 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:10,844 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:10,844 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:10,865 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:10,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:10,888 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:10,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:10,890 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:10,899 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 [2023-11-21 22:06:10,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:10,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:10,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:10,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:10,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-21 22:06:10,927 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:10,928 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:10,942 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:10,966 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:10,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:10,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:10,968 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:10,970 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 [2023-11-21 22:06:10,982 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:10,983 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:10,983 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:10,983 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:10,986 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:10,986 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:10,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-21 22:06:11,005 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:11,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:11,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:11,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:11,035 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:11,043 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 [2023-11-21 22:06:11,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:11,055 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:11,055 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:11,055 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:11,055 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:11,056 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:11,056 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:11,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-21 22:06:11,062 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:11,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:11,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:11,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:11,088 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:11,099 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 [2023-11-21 22:06:11,112 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:11,112 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:11,112 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:11,113 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:11,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-21 22:06:11,122 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:11,122 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:11,139 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:06:11,180 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2023-11-21 22:06:11,180 INFO L444 ModelExtractionUtils]: 2 out of 19 variables were initially zero. Simplification set additionally 13 variables to zero. [2023-11-21 22:06:11,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:11,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:11,219 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:11,226 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-21 22:06:11,227 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:06:11,248 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-21 22:06:11,249 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:06:11,249 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_1, ULTIMATE.start_main_~k~0#1) = 1*v_rep(select #length ULTIMATE.start_main_#t~malloc8#1.base)_1 - 4*ULTIMATE.start_main_~k~0#1 Supporting invariants [1*ULTIMATE.start_main_~numbers~0#1.offset >= 0] [2023-11-21 22:06:11,272 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:11,293 INFO L156 tatePredicateManager]: 2 out of 4 supporting invariants were superfluous and have been removed [2023-11-21 22:06:11,315 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[#t~malloc8!base] could not be translated [2023-11-21 22:06:11,345 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:11,360 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 22:06:11,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:11,384 INFO L262 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 22:06:11,385 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:11,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:11,460 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 [2023-11-21 22:06:11,463 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-11-21 22:06:11,552 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 16 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 15 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). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 42 transitions. Complement of second has 8 states. [2023-11-21 22:06:11,554 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 [2023-11-21 22:06:11,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2023-11-21 22:06:11,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2023-11-21 22:06:11,561 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-21 22:06:11,562 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:11,562 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 6 letters. Loop has 2 letters. [2023-11-21 22:06:11,563 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:11,563 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 4 letters. Loop has 4 letters. [2023-11-21 22:06:11,563 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:11,564 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 42 transitions. [2023-11-21 22:06:11,567 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-21 22:06:11,570 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 12 states and 17 transitions. [2023-11-21 22:06:11,571 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-21 22:06:11,572 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-21 22:06:11,572 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 17 transitions. [2023-11-21 22:06:11,573 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:06:11,573 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 17 transitions. [2023-11-21 22:06:11,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 17 transitions. [2023-11-21 22:06:11,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2023-11-21 22:06:11,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 11 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) [2023-11-21 22:06:11,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 17 transitions. [2023-11-21 22:06:11,601 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 17 transitions. [2023-11-21 22:06:11,601 INFO L428 stractBuchiCegarLoop]: Abstraction has 12 states and 17 transitions. [2023-11-21 22:06:11,601 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-21 22:06:11,601 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 17 transitions. [2023-11-21 22:06:11,602 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-21 22:06:11,602 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:06:11,602 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:06:11,603 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-21 22:06:11,603 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-21 22:06:11,603 INFO L748 eck$LassoCheckResult]: Stem: 119#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 120#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~k~0#1, main_#t~ret11#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet7#1;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 116#L526 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 111#L526-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~k~0#1 := 0; 112#L531-3 assume !(main_~k~0#1 < main_~array_size~0#1); 114#L531-4 havoc main_~k~0#1;assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#res#1;havoc test_fun_#t~mem4#1, test_fun_#t~post5#1, test_fun_#t~post6#1, test_fun_#t~mem3#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;test_fun_~res~0#1 := 0;test_fun_~i~0#1 := 0; 117#L516-3 [2023-11-21 22:06:11,603 INFO L750 eck$LassoCheckResult]: Loop: 117#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 118#L517-3 assume !true; 121#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 117#L516-3 [2023-11-21 22:06:11,604 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:11,604 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 1 times [2023-11-21 22:06:11,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:11,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619557426] [2023-11-21 22:06:11,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:11,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:11,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:11,753 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:11,753 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:06:11,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619557426] [2023-11-21 22:06:11,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619557426] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:06:11,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:06:11,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:06:11,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534476632] [2023-11-21 22:06:11,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:06:11,756 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-21 22:06:11,757 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:11,757 INFO L85 PathProgramCache]: Analyzing trace with hash 60960, now seen corresponding path program 1 times [2023-11-21 22:06:11,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:11,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681073477] [2023-11-21 22:06:11,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:11,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:11,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:11,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:06:11,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681073477] [2023-11-21 22:06:11,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681073477] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:06:11,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:06:11,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-21 22:06:11,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [495991357] [2023-11-21 22:06:11,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:06:11,768 INFO L765 eck$LassoCheckResult]: loop already infeasible [2023-11-21 22:06:11,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:06:11,770 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-21 22:06:11,771 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-21 22:06:11,772 INFO L87 Difference]: Start difference. First operand 12 states and 17 transitions. cyclomatic complexity: 7 Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:06:11,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:06:11,777 INFO L93 Difference]: Finished difference Result 12 states and 16 transitions. [2023-11-21 22:06:11,778 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 12 states and 16 transitions. [2023-11-21 22:06:11,778 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-21 22:06:11,779 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 12 states to 12 states and 16 transitions. [2023-11-21 22:06:11,779 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-21 22:06:11,779 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-21 22:06:11,780 INFO L73 IsDeterministic]: Start isDeterministic. Operand 12 states and 16 transitions. [2023-11-21 22:06:11,780 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:06:11,780 INFO L218 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2023-11-21 22:06:11,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states and 16 transitions. [2023-11-21 22:06:11,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2023-11-21 22:06:11,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.3333333333333333) internal successors, (16), 11 states have internal predecessors, (16), 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) [2023-11-21 22:06:11,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 16 transitions. [2023-11-21 22:06:11,783 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 16 transitions. [2023-11-21 22:06:11,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-21 22:06:11,784 INFO L428 stractBuchiCegarLoop]: Abstraction has 12 states and 16 transitions. [2023-11-21 22:06:11,784 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-21 22:06:11,784 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 16 transitions. [2023-11-21 22:06:11,785 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-21 22:06:11,785 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:06:11,785 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:06:11,786 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-21 22:06:11,786 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-21 22:06:11,786 INFO L748 eck$LassoCheckResult]: Stem: 150#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 151#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~k~0#1, main_#t~ret11#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet7#1;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 147#L526 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 142#L526-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~k~0#1 := 0; 143#L531-3 assume !(main_~k~0#1 < main_~array_size~0#1); 145#L531-4 havoc main_~k~0#1;assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#res#1;havoc test_fun_#t~mem4#1, test_fun_#t~post5#1, test_fun_#t~post6#1, test_fun_#t~mem3#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;test_fun_~res~0#1 := 0;test_fun_~i~0#1 := 0; 148#L516-3 [2023-11-21 22:06:11,786 INFO L750 eck$LassoCheckResult]: Loop: 148#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 149#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 153#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 152#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 148#L516-3 [2023-11-21 22:06:11,787 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:11,787 INFO L85 PathProgramCache]: Analyzing trace with hash 889568397, now seen corresponding path program 2 times [2023-11-21 22:06:11,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:11,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045794157] [2023-11-21 22:06:11,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:11,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:11,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:11,848 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:06:11,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2045794157] [2023-11-21 22:06:11,849 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2045794157] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:06:11,849 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:06:11,849 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-21 22:06:11,849 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1592308343] [2023-11-21 22:06:11,850 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:06:11,850 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-21 22:06:11,850 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:11,851 INFO L85 PathProgramCache]: Analyzing trace with hash 1882892, now seen corresponding path program 1 times [2023-11-21 22:06:11,851 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:11,851 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655265131] [2023-11-21 22:06:11,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:11,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:11,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:11,857 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:11,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:11,863 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:11,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:06:11,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-21 22:06:11,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-21 22:06:11,920 INFO L87 Difference]: Start difference. First operand 12 states and 16 transitions. cyclomatic complexity: 6 Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 states have internal predecessors, (6), 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) [2023-11-21 22:06:11,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:06:11,945 INFO L93 Difference]: Finished difference Result 13 states and 16 transitions. [2023-11-21 22:06:11,945 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 16 transitions. [2023-11-21 22:06:11,946 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-21 22:06:11,946 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 13 states and 16 transitions. [2023-11-21 22:06:11,947 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-21 22:06:11,947 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-21 22:06:11,947 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 16 transitions. [2023-11-21 22:06:11,947 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:06:11,948 INFO L218 hiAutomatonCegarLoop]: Abstraction has 13 states and 16 transitions. [2023-11-21 22:06:11,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 16 transitions. [2023-11-21 22:06:11,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2023-11-21 22:06:11,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:06:11,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2023-11-21 22:06:11,950 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2023-11-21 22:06:11,950 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-21 22:06:11,951 INFO L428 stractBuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2023-11-21 22:06:11,951 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-21 22:06:11,952 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2023-11-21 22:06:11,952 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2023-11-21 22:06:11,952 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:06:11,953 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:06:11,953 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:06:11,953 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2023-11-21 22:06:11,954 INFO L748 eck$LassoCheckResult]: Stem: 182#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 183#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~k~0#1, main_#t~ret11#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet7#1;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 179#L526 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 174#L526-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~k~0#1 := 0; 175#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 176#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 177#L531-3 assume !(main_~k~0#1 < main_~array_size~0#1); 178#L531-4 havoc main_~k~0#1;assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#res#1;havoc test_fun_#t~mem4#1, test_fun_#t~post5#1, test_fun_#t~post6#1, test_fun_#t~mem3#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;test_fun_~res~0#1 := 0;test_fun_~i~0#1 := 0; 180#L516-3 [2023-11-21 22:06:11,954 INFO L750 eck$LassoCheckResult]: Loop: 180#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 181#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 185#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 184#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 180#L516-3 [2023-11-21 22:06:11,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:11,955 INFO L85 PathProgramCache]: Analyzing trace with hash 176793839, now seen corresponding path program 1 times [2023-11-21 22:06:11,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:11,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [592176258] [2023-11-21 22:06:11,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:11,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:11,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:11,971 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:11,986 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:11,987 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:11,987 INFO L85 PathProgramCache]: Analyzing trace with hash 1882892, now seen corresponding path program 2 times [2023-11-21 22:06:11,987 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:11,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640846212] [2023-11-21 22:06:11,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:11,988 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:11,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:11,994 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:11,999 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:12,000 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:12,000 INFO L85 PathProgramCache]: Analyzing trace with hash -357810950, now seen corresponding path program 1 times [2023-11-21 22:06:12,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:12,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366345747] [2023-11-21 22:06:12,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:12,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:12,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:12,019 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:12,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:12,038 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:12,130 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:12,498 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:06:12,498 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:06:12,498 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:06:12,498 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:06:12,498 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:06:12,498 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:12,498 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:06:12,499 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:06:12,499 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-2.i_Iteration4_Lasso [2023-11-21 22:06:12,499 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:06:12,499 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:06:12,505 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:12,510 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:12,513 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:12,516 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:12,519 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:12,522 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:12,526 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:12,528 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:12,531 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:12,535 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:12,538 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:12,801 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:12,803 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:12,807 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:12,810 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:12,812 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:12,815 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:12,819 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:12,823 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:13,141 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:06:13,141 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:06:13,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:13,142 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:13,148 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:13,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-21 22:06:13,154 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 [2023-11-21 22:06:13,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:13,167 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:13,167 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:13,167 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:13,169 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:13,169 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:13,198 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:13,221 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:13,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:13,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:13,224 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:13,234 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 [2023-11-21 22:06:13,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:13,247 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:13,247 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:13,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:13,250 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:13,251 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:13,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-21 22:06:13,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:13,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:13,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:13,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:13,291 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:13,298 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 [2023-11-21 22:06:13,311 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:13,311 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:13,311 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:13,311 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:13,311 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:13,312 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:13,312 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:13,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-21 22:06:13,333 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:13,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:13,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:13,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:13,358 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:13,371 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 [2023-11-21 22:06:13,384 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:13,384 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:13,384 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:13,384 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:13,384 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:13,385 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:13,386 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:13,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-21 22:06:13,405 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:13,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:13,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:13,430 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:13,432 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:13,447 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 [2023-11-21 22:06:13,459 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:13,460 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:13,460 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:13,460 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:13,460 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:13,461 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:13,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:13,462 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-21 22:06:13,473 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:13,498 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:13,499 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:13,499 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:13,500 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:13,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-21 22:06:13,511 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 [2023-11-21 22:06:13,522 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:13,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:13,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:13,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:13,533 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:13,534 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:13,545 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:13,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:13,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:13,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:13,568 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:13,579 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 [2023-11-21 22:06:13,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:13,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:13,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:13,592 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:13,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:13,593 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:13,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:13,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-21 22:06:13,609 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:13,628 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:13,628 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:13,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:13,630 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:13,651 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 [2023-11-21 22:06:13,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:13,664 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:13,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:13,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:13,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:13,665 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:13,665 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:13,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-21 22:06:13,685 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:13,709 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:13,709 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:13,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:13,711 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:13,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-21 22:06:13,722 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 [2023-11-21 22:06:13,734 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:13,734 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:13,734 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:13,735 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:13,735 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:13,735 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:13,735 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:13,745 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:13,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:13,769 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:13,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:13,770 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:13,774 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 [2023-11-21 22:06:13,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:13,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:13,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:13,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:13,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:13,788 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:13,788 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:13,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-21 22:06:13,805 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:13,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:13,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:13,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:13,826 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:13,831 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 [2023-11-21 22:06:13,843 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:13,843 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:13,843 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:13,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:13,846 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-21 22:06:13,848 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:13,849 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:13,871 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:13,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:13,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:13,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:13,891 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:13,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2023-11-21 22:06:13,912 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 [2023-11-21 22:06:13,925 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:13,925 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:13,925 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:13,925 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:13,929 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:13,929 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:13,940 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:13,959 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:13,960 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:13,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:13,961 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:13,963 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 [2023-11-21 22:06:13,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:13,976 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:13,976 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:13,976 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:13,978 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:13,978 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:13,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2023-11-21 22:06:13,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:14,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:14,017 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:14,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:14,019 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:14,026 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 [2023-11-21 22:06:14,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:14,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:14,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:14,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:14,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-21 22:06:14,042 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:14,042 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:14,061 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:14,084 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:14,085 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:14,085 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:14,086 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:14,094 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 [2023-11-21 22:06:14,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:14,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:14,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:14,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:14,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-21 22:06:14,113 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:14,113 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:14,128 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:14,148 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:14,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:14,149 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:14,150 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:14,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-21 22:06:14,153 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:06:14,166 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:14,166 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:14,166 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:14,166 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:14,177 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:14,177 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:14,201 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:06:14,263 INFO L443 ModelExtractionUtils]: Simplification made 20 calls to the SMT solver. [2023-11-21 22:06:14,264 INFO L444 ModelExtractionUtils]: 8 out of 22 variables were initially zero. Simplification set additionally 10 variables to zero. [2023-11-21 22:06:14,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:14,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:14,265 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:14,267 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:06:14,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-21 22:06:14,303 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2023-11-21 22:06:14,303 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:06:14,303 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~numbers~0#1.base)_2, ULTIMATE.start_test_fun_~i~0#1) = 1*v_rep(select #length ULTIMATE.start_main_~numbers~0#1.base)_2 - 4*ULTIMATE.start_test_fun_~i~0#1 Supporting invariants [1*ULTIMATE.start_test_fun_~a#1.offset >= 0] [2023-11-21 22:06:14,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:14,346 INFO L156 tatePredicateManager]: 4 out of 6 supporting invariants were superfluous and have been removed [2023-11-21 22:06:14,353 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~numbers~0!base] could not be translated [2023-11-21 22:06:14,384 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:14,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 22:06:14,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:14,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 22:06:14,459 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:14,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:14,517 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 [2023-11-21 22:06:14,517 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5 Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:06:14,575 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 5. Second operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 18 states and 23 transitions. Complement of second has 7 states. [2023-11-21 22:06:14,575 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 [2023-11-21 22:06:14,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.4) internal successors, (12), 5 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:06:14,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 15 transitions. [2023-11-21 22:06:14,577 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 8 letters. Loop has 4 letters. [2023-11-21 22:06:14,577 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:14,577 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 12 letters. Loop has 4 letters. [2023-11-21 22:06:14,577 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:14,577 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 15 transitions. Stem has 8 letters. Loop has 8 letters. [2023-11-21 22:06:14,578 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:14,578 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2023-11-21 22:06:14,579 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:06:14,579 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 17 states and 22 transitions. [2023-11-21 22:06:14,579 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-21 22:06:14,580 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2023-11-21 22:06:14,580 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 22 transitions. [2023-11-21 22:06:14,580 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:06:14,580 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 22 transitions. [2023-11-21 22:06:14,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 22 transitions. [2023-11-21 22:06:14,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 15. [2023-11-21 22:06:14,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.3333333333333333) internal successors, (20), 14 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) [2023-11-21 22:06:14,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 20 transitions. [2023-11-21 22:06:14,582 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 20 transitions. [2023-11-21 22:06:14,582 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 20 transitions. [2023-11-21 22:06:14,582 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-21 22:06:14,583 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 20 transitions. [2023-11-21 22:06:14,583 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:06:14,583 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:06:14,583 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:06:14,584 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:06:14,584 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 22:06:14,584 INFO L748 eck$LassoCheckResult]: Stem: 304#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 305#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~k~0#1, main_#t~ret11#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet7#1;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 299#L526 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 294#L526-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~k~0#1 := 0; 295#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 296#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 297#L531-3 assume !(main_~k~0#1 < main_~array_size~0#1); 298#L531-4 havoc main_~k~0#1;assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#res#1;havoc test_fun_#t~mem4#1, test_fun_#t~post5#1, test_fun_#t~post6#1, test_fun_#t~mem3#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;test_fun_~res~0#1 := 0;test_fun_~i~0#1 := 0; 300#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 302#L517-3 [2023-11-21 22:06:14,584 INFO L750 eck$LassoCheckResult]: Loop: 302#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 307#L517-1 assume !!(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1;call test_fun_#t~mem4#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_#t~post5#1 := test_fun_#t~mem4#1;call write~int#0(test_fun_#t~post5#1 - 1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);havoc test_fun_#t~mem4#1;havoc test_fun_#t~post5#1;test_fun_#t~post6#1 := test_fun_~res~0#1;test_fun_~res~0#1 := 1 + test_fun_#t~post6#1;havoc test_fun_#t~post6#1; 302#L517-3 [2023-11-21 22:06:14,585 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:14,585 INFO L85 PathProgramCache]: Analyzing trace with hash 1185641744, now seen corresponding path program 1 times [2023-11-21 22:06:14,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:14,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325890503] [2023-11-21 22:06:14,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:14,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:14,599 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:14,615 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:14,618 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:14,618 INFO L85 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 1 times [2023-11-21 22:06:14,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:14,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83401026] [2023-11-21 22:06:14,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:14,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:14,625 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:14,631 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:14,631 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:14,631 INFO L85 PathProgramCache]: Analyzing trace with hash 1235383701, now seen corresponding path program 1 times [2023-11-21 22:06:14,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:14,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572990495] [2023-11-21 22:06:14,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:14,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:14,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:14,648 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:14,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:14,665 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:15,046 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:06:15,046 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:06:15,047 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:06:15,047 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:06:15,047 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:06:15,047 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:15,047 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:06:15,047 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:06:15,047 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-2.i_Iteration5_Lasso [2023-11-21 22:06:15,047 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:06:15,047 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:06:15,071 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:15,084 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:15,088 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:15,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:15,091 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:15,093 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:15,097 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:15,100 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:15,103 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:15,105 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:15,108 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:15,111 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:15,114 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:15,331 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:15,335 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:15,338 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:15,342 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:15,344 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:15,347 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:15,349 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:15,353 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:15,355 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:15,675 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:06:15,675 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:06:15,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:15,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:15,678 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:15,682 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 [2023-11-21 22:06:15,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:15,695 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:15,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:15,695 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:15,695 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:15,696 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:15,696 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:15,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-21 22:06:15,713 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:15,736 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:15,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:15,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:15,737 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:15,741 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 [2023-11-21 22:06:15,753 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:15,753 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:15,753 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:15,753 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:15,753 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:15,753 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:15,754 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:15,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-21 22:06:15,769 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:15,788 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:15,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:15,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:15,790 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:15,797 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 [2023-11-21 22:06:15,809 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:15,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:15,810 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:15,810 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:15,810 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:15,810 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:15,810 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:15,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-21 22:06:15,833 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:15,855 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:15,856 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:15,856 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:15,857 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:15,859 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 [2023-11-21 22:06:15,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:15,871 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:15,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:15,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:15,872 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:15,872 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-21 22:06:15,872 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:15,872 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:15,873 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:15,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2023-11-21 22:06:15,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:15,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:15,885 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:15,894 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 [2023-11-21 22:06:15,906 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:15,906 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:15,906 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:15,906 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:15,909 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:15,909 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:15,919 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:15,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-21 22:06:15,938 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:15,938 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:15,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:15,939 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:15,941 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 [2023-11-21 22:06:15,953 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:15,953 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:15,954 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:15,954 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:15,955 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:15,955 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:15,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-21 22:06:15,973 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:15,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:15,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:15,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:15,998 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:16,000 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 [2023-11-21 22:06:16,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:16,013 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:16,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:16,013 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:16,013 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:16,014 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:16,014 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:16,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-21 22:06:16,029 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:16,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:16,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:16,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:16,054 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:16,057 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 [2023-11-21 22:06:16,069 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:16,070 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:16,070 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:16,070 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:16,070 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:16,070 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:16,070 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:16,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-21 22:06:16,085 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:16,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:16,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:16,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:16,102 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:16,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-21 22:06:16,104 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:06:16,113 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:16,113 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:16,113 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:16,114 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:16,114 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:16,114 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:16,114 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:16,116 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:16,127 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:16,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:16,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:16,129 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:16,130 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-21 22:06:16,131 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 [2023-11-21 22:06:16,141 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:16,141 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:16,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:16,142 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:16,143 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:16,143 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:16,169 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:16,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:16,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:16,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:16,192 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:16,199 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 [2023-11-21 22:06:16,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:16,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:16,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:16,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:16,213 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:16,214 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:16,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-21 22:06:16,229 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:16,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:16,250 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:16,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:16,251 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:16,254 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 [2023-11-21 22:06:16,266 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:16,266 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:16,266 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:16,266 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:16,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-21 22:06:16,271 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:16,271 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:16,293 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:16,314 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:16,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:16,314 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:16,315 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:16,318 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 [2023-11-21 22:06:16,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-21 22:06:16,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:16,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:16,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:16,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:16,333 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:16,333 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:16,347 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:06:16,358 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-11-21 22:06:16,358 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-11-21 22:06:16,359 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:16,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:16,362 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:16,366 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:06:16,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-21 22:06:16,394 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-21 22:06:16,395 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:06:16,395 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~numbers~0#1.base) ULTIMATE.start_main_~numbers~0#1.offset)_2) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~numbers~0#1.base) ULTIMATE.start_main_~numbers~0#1.offset)_2 Supporting invariants [] [2023-11-21 22:06:16,412 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:16,431 INFO L156 tatePredicateManager]: 4 out of 6 supporting invariants were superfluous and have been removed [2023-11-21 22:06:16,436 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~numbers~0!base][~numbers~0!offset] could not be translated [2023-11-21 22:06:16,460 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:16,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 22:06:16,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:16,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:16,521 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 22:06:16,523 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:16,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:16,555 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 [2023-11-21 22:06:16,555 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2023-11-21 22:06:16,613 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 20 transitions. cyclomatic complexity: 8. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 24 states and 31 transitions. Complement of second has 8 states. [2023-11-21 22:06:16,613 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 [2023-11-21 22:06:16,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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) [2023-11-21 22:06:16,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 13 transitions. [2023-11-21 22:06:16,615 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 9 letters. Loop has 2 letters. [2023-11-21 22:06:16,615 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:16,615 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 11 letters. Loop has 2 letters. [2023-11-21 22:06:16,615 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:16,615 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 13 transitions. Stem has 9 letters. Loop has 4 letters. [2023-11-21 22:06:16,616 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:16,616 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2023-11-21 22:06:16,617 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:06:16,617 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 19 states and 24 transitions. [2023-11-21 22:06:16,618 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-21 22:06:16,618 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-21 22:06:16,618 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 24 transitions. [2023-11-21 22:06:16,618 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:06:16,618 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 24 transitions. [2023-11-21 22:06:16,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 24 transitions. [2023-11-21 22:06:16,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 18. [2023-11-21 22:06:16,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 17 states have internal predecessors, (23), 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) [2023-11-21 22:06:16,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 23 transitions. [2023-11-21 22:06:16,621 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 23 transitions. [2023-11-21 22:06:16,621 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 23 transitions. [2023-11-21 22:06:16,621 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-21 22:06:16,621 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 23 transitions. [2023-11-21 22:06:16,622 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:06:16,622 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:06:16,622 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:06:16,623 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:06:16,623 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 22:06:16,623 INFO L748 eck$LassoCheckResult]: Stem: 432#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 433#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~k~0#1, main_#t~ret11#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet7#1;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 426#L526 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 421#L526-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~k~0#1 := 0; 422#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 423#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 424#L531-3 assume !(main_~k~0#1 < main_~array_size~0#1); 425#L531-4 havoc main_~k~0#1;assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#res#1;havoc test_fun_#t~mem4#1, test_fun_#t~post5#1, test_fun_#t~post6#1, test_fun_#t~mem3#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;test_fun_~res~0#1 := 0;test_fun_~i~0#1 := 0; 427#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 428#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 437#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 434#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 429#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 431#L517-3 [2023-11-21 22:06:16,623 INFO L750 eck$LassoCheckResult]: Loop: 431#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 435#L517-1 assume !!(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1;call test_fun_#t~mem4#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_#t~post5#1 := test_fun_#t~mem4#1;call write~int#0(test_fun_#t~post5#1 - 1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);havoc test_fun_#t~mem4#1;havoc test_fun_#t~post5#1;test_fun_#t~post6#1 := test_fun_~res~0#1;test_fun_~res~0#1 := 1 + test_fun_#t~post6#1;havoc test_fun_#t~post6#1; 431#L517-3 [2023-11-21 22:06:16,623 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:16,624 INFO L85 PathProgramCache]: Analyzing trace with hash 1792762469, now seen corresponding path program 2 times [2023-11-21 22:06:16,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:16,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38508275] [2023-11-21 22:06:16,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:16,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:16,773 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:16,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:06:16,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [38508275] [2023-11-21 22:06:16,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [38508275] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:06:16,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:16,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [587616272] [2023-11-21 22:06:16,774 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-21 22:06:16,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:06:16,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:16,775 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:06:16,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2023-11-21 22:06:16,843 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-21 22:06:16,843 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-21 22:06:16,844 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 22:06:16,846 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:16,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:16,913 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:06:16,963 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:16,963 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [587616272] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:06:16,963 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 22:06:16,963 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 10 [2023-11-21 22:06:16,964 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1520777914] [2023-11-21 22:06:16,964 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 22:06:16,965 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-21 22:06:16,965 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:16,966 INFO L85 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 2 times [2023-11-21 22:06:16,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:16,966 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467106879] [2023-11-21 22:06:16,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:16,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:16,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:16,973 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:16,984 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:17,033 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:06:17,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-21 22:06:17,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2023-11-21 22:06:17,035 INFO L87 Difference]: Start difference. First operand 18 states and 23 transitions. cyclomatic complexity: 9 Second operand has 11 states, 10 states have (on average 2.7) internal successors, (27), 11 states have internal predecessors, (27), 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) [2023-11-21 22:06:17,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:06:17,151 INFO L93 Difference]: Finished difference Result 33 states and 40 transitions. [2023-11-21 22:06:17,151 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 40 transitions. [2023-11-21 22:06:17,152 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:06:17,152 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 21 states and 25 transitions. [2023-11-21 22:06:17,153 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-21 22:06:17,153 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-21 22:06:17,153 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 25 transitions. [2023-11-21 22:06:17,153 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:06:17,153 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 25 transitions. [2023-11-21 22:06:17,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 25 transitions. [2023-11-21 22:06:17,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 20. [2023-11-21 22:06:17,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 20 states, 20 states have (on average 1.2) internal successors, (24), 19 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) [2023-11-21 22:06:17,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 24 transitions. [2023-11-21 22:06:17,155 INFO L240 hiAutomatonCegarLoop]: Abstraction has 20 states and 24 transitions. [2023-11-21 22:06:17,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-21 22:06:17,156 INFO L428 stractBuchiCegarLoop]: Abstraction has 20 states and 24 transitions. [2023-11-21 22:06:17,156 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-21 22:06:17,156 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 20 states and 24 transitions. [2023-11-21 22:06:17,157 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:06:17,157 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:06:17,157 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:06:17,158 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:06:17,158 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 22:06:17,158 INFO L748 eck$LassoCheckResult]: Stem: 579#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 580#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~k~0#1, main_#t~ret11#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet7#1;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 573#L526 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 572#L526-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~k~0#1 := 0; 568#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 569#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 570#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 571#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 586#L531-3 assume !(main_~k~0#1 < main_~array_size~0#1); 581#L531-4 havoc main_~k~0#1;assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#res#1;havoc test_fun_#t~mem4#1, test_fun_#t~post5#1, test_fun_#t~post6#1, test_fun_#t~mem3#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;test_fun_~res~0#1 := 0;test_fun_~i~0#1 := 0; 574#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 575#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 587#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 582#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 576#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 578#L517-3 [2023-11-21 22:06:17,158 INFO L750 eck$LassoCheckResult]: Loop: 578#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 583#L517-1 assume !!(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1;call test_fun_#t~mem4#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_#t~post5#1 := test_fun_#t~mem4#1;call write~int#0(test_fun_#t~post5#1 - 1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);havoc test_fun_#t~mem4#1;havoc test_fun_#t~post5#1;test_fun_#t~post6#1 := test_fun_~res~0#1;test_fun_~res~0#1 := 1 + test_fun_#t~post6#1;havoc test_fun_#t~post6#1; 578#L517-3 [2023-11-21 22:06:17,158 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:17,158 INFO L85 PathProgramCache]: Analyzing trace with hash 1166615491, now seen corresponding path program 3 times [2023-11-21 22:06:17,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:17,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494909248] [2023-11-21 22:06:17,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:17,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:17,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:17,176 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:17,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:17,191 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:17,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:17,191 INFO L85 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 3 times [2023-11-21 22:06:17,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:17,192 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347305429] [2023-11-21 22:06:17,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:17,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:17,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:17,197 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:17,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:17,201 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:17,201 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:17,201 INFO L85 PathProgramCache]: Analyzing trace with hash 131023752, now seen corresponding path program 1 times [2023-11-21 22:06:17,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:17,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1203244373] [2023-11-21 22:06:17,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:17,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:17,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:17,222 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:17,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:17,257 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:17,725 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:06:17,726 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:06:17,726 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:06:17,726 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:06:17,726 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:06:17,726 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:17,726 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:06:17,726 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:06:17,726 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-2.i_Iteration7_Lasso [2023-11-21 22:06:17,726 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:06:17,726 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:06:17,729 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:17,734 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:18,007 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:18,011 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:18,013 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:18,015 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:18,019 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:18,023 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:18,027 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:18,030 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:18,032 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:18,036 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:18,038 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:18,040 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:18,047 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:18,050 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:18,052 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:18,055 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:18,058 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:18,061 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:18,064 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:18,402 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:06:18,402 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:06:18,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:18,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:18,407 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:18,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-21 22:06:18,410 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 [2023-11-21 22:06:18,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:18,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:18,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:18,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:18,422 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:18,422 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:18,437 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:18,451 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2023-11-21 22:06:18,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:18,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:18,452 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:18,459 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 [2023-11-21 22:06:18,472 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:18,472 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:18,472 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:18,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:18,473 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-21 22:06:18,477 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:18,477 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:18,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:18,509 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:18,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:18,509 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:18,510 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:18,513 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 [2023-11-21 22:06:18,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:18,525 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:18,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:18,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:18,528 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-21 22:06:18,529 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:18,529 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:18,554 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:06:18,570 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-11-21 22:06:18,571 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-11-21 22:06:18,571 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:18,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:18,573 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:18,574 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:06:18,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-21 22:06:18,598 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-21 22:06:18,598 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:06:18,598 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~numbers~0#1.base) (+ 4 ULTIMATE.start_main_~numbers~0#1.offset))_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~numbers~0#1.base) (+ 4 ULTIMATE.start_main_~numbers~0#1.offset))_1 Supporting invariants [] [2023-11-21 22:06:18,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:18,647 INFO L156 tatePredicateManager]: 9 out of 11 supporting invariants were superfluous and have been removed [2023-11-21 22:06:18,651 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~numbers~0!base][4 + ~numbers~0!offset] could not be translated [2023-11-21 22:06:18,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:18,704 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 22:06:18,706 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:18,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:18,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 22:06:18,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:18,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:18,861 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2023-11-21 22:06:18,861 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 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) [2023-11-21 22:06:18,891 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 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) Result 21 states and 26 transitions. Complement of second has 4 states. [2023-11-21 22:06:18,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-21 22:06:18,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 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) [2023-11-21 22:06:18,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2023-11-21 22:06:18,892 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 15 letters. Loop has 2 letters. [2023-11-21 22:06:18,893 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:18,893 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-21 22:06:18,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:18,943 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 22:06:18,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:19,045 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 22:06:19,046 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:19,083 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:19,084 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.3 stem predicates 2 loop predicates [2023-11-21 22:06:19,084 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 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) [2023-11-21 22:06:19,116 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 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) Result 21 states and 26 transitions. Complement of second has 4 states. [2023-11-21 22:06:19,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-21 22:06:19,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 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) [2023-11-21 22:06:19,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2023-11-21 22:06:19,118 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 15 letters. Loop has 2 letters. [2023-11-21 22:06:19,118 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:19,118 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-21 22:06:19,149 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:19,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 22:06:19,171 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:19,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 22:06:19,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:19,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:19,308 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.3 stem predicates 2 loop predicates [2023-11-21 22:06:19,308 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 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) [2023-11-21 22:06:19,414 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 20 states and 24 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 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) Result 35 states and 43 transitions. Complement of second has 10 states. [2023-11-21 22:06:19,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 7 states 3 stem states 2 non-accepting loop states 2 accepting loop states [2023-11-21 22:06:19,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 5 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) [2023-11-21 22:06:19,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 29 transitions. [2023-11-21 22:06:19,417 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 29 transitions. Stem has 15 letters. Loop has 2 letters. [2023-11-21 22:06:19,417 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:19,417 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 29 transitions. Stem has 17 letters. Loop has 2 letters. [2023-11-21 22:06:19,417 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:19,417 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 7 states and 29 transitions. Stem has 15 letters. Loop has 4 letters. [2023-11-21 22:06:19,418 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:19,418 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 43 transitions. [2023-11-21 22:06:19,419 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:06:19,419 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 30 states and 36 transitions. [2023-11-21 22:06:19,419 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-21 22:06:19,419 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-21 22:06:19,419 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 36 transitions. [2023-11-21 22:06:19,419 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:06:19,420 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 36 transitions. [2023-11-21 22:06:19,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 36 transitions. [2023-11-21 22:06:19,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 25. [2023-11-21 22:06:19,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.2) internal successors, (30), 24 states have internal predecessors, (30), 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) [2023-11-21 22:06:19,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 30 transitions. [2023-11-21 22:06:19,422 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 30 transitions. [2023-11-21 22:06:19,422 INFO L428 stractBuchiCegarLoop]: Abstraction has 25 states and 30 transitions. [2023-11-21 22:06:19,422 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-21 22:06:19,422 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 30 transitions. [2023-11-21 22:06:19,423 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:06:19,423 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:06:19,423 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:06:19,424 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2023-11-21 22:06:19,424 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 22:06:19,424 INFO L748 eck$LassoCheckResult]: Stem: 926#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 927#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~k~0#1, main_#t~ret11#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet7#1;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 921#L526 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 916#L526-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~k~0#1 := 0; 917#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 918#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 919#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 920#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 936#L531-3 assume !(main_~k~0#1 < main_~array_size~0#1); 930#L531-4 havoc main_~k~0#1;assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#res#1;havoc test_fun_#t~mem4#1, test_fun_#t~post5#1, test_fun_#t~post6#1, test_fun_#t~mem3#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;test_fun_~res~0#1 := 0;test_fun_~i~0#1 := 0; 922#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 923#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 938#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 937#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 924#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 925#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 940#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 928#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 929#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 932#L517-3 [2023-11-21 22:06:19,424 INFO L750 eck$LassoCheckResult]: Loop: 932#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 931#L517-1 assume !!(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1;call test_fun_#t~mem4#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_#t~post5#1 := test_fun_#t~mem4#1;call write~int#0(test_fun_#t~post5#1 - 1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);havoc test_fun_#t~mem4#1;havoc test_fun_#t~post5#1;test_fun_#t~post6#1 := test_fun_~res~0#1;test_fun_~res~0#1 := 1 + test_fun_#t~post6#1;havoc test_fun_#t~post6#1; 932#L517-3 [2023-11-21 22:06:19,425 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:19,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1359773592, now seen corresponding path program 4 times [2023-11-21 22:06:19,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:19,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540940028] [2023-11-21 22:06:19,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:19,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:19,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:19,495 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:19,563 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:19,563 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:06:19,563 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540940028] [2023-11-21 22:06:19,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540940028] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:06:19,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122917803] [2023-11-21 22:06:19,564 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-21 22:06:19,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:06:19,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:19,565 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:06:19,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (49)] Waiting until timeout for monitored process [2023-11-21 22:06:19,643 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-21 22:06:19,643 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-21 22:06:19,644 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 22:06:19,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:19,740 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:19,741 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:06:19,822 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:19,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [122917803] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:06:19,822 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 22:06:19,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2023-11-21 22:06:19,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479511518] [2023-11-21 22:06:19,823 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 22:06:19,823 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-21 22:06:19,824 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:19,824 INFO L85 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 4 times [2023-11-21 22:06:19,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:19,824 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73637977] [2023-11-21 22:06:19,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:19,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:19,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:19,839 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:19,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:19,851 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:19,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:06:19,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-11-21 22:06:19,900 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2023-11-21 22:06:19,901 INFO L87 Difference]: Start difference. First operand 25 states and 30 transitions. cyclomatic complexity: 10 Second operand has 14 states, 13 states have (on average 2.8461538461538463) internal successors, (37), 14 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) [2023-11-21 22:06:20,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:06:20,008 INFO L93 Difference]: Finished difference Result 40 states and 47 transitions. [2023-11-21 22:06:20,008 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 40 states and 47 transitions. [2023-11-21 22:06:20,009 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:06:20,010 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 40 states to 28 states and 33 transitions. [2023-11-21 22:06:20,011 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-21 22:06:20,011 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-21 22:06:20,011 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 33 transitions. [2023-11-21 22:06:20,011 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:06:20,011 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 33 transitions. [2023-11-21 22:06:20,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 33 transitions. [2023-11-21 22:06:20,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2023-11-21 22:06:20,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.1851851851851851) internal successors, (32), 26 states have internal predecessors, (32), 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) [2023-11-21 22:06:20,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2023-11-21 22:06:20,017 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 32 transitions. [2023-11-21 22:06:20,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-21 22:06:20,018 INFO L428 stractBuchiCegarLoop]: Abstraction has 27 states and 32 transitions. [2023-11-21 22:06:20,018 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-21 22:06:20,018 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 32 transitions. [2023-11-21 22:06:20,021 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:06:20,021 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:06:20,021 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:06:20,022 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2023-11-21 22:06:20,023 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 22:06:20,023 INFO L748 eck$LassoCheckResult]: Stem: 1124#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1125#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~k~0#1, main_#t~ret11#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet7#1;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 1119#L526 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 1114#L526-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~k~0#1 := 0; 1115#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 1116#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1117#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 1118#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1140#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 1134#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1133#L531-3 assume !(main_~k~0#1 < main_~array_size~0#1); 1127#L531-4 havoc main_~k~0#1;assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#res#1;havoc test_fun_#t~mem4#1, test_fun_#t~post5#1, test_fun_#t~post6#1, test_fun_#t~mem3#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;test_fun_~res~0#1 := 0;test_fun_~i~0#1 := 0; 1120#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 1121#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1138#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 1126#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 1122#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 1123#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1137#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 1136#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 1135#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 1128#L517-3 [2023-11-21 22:06:20,023 INFO L750 eck$LassoCheckResult]: Loop: 1128#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1129#L517-1 assume !!(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1;call test_fun_#t~mem4#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_#t~post5#1 := test_fun_#t~mem4#1;call write~int#0(test_fun_#t~post5#1 - 1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);havoc test_fun_#t~mem4#1;havoc test_fun_#t~post5#1;test_fun_#t~post6#1 := test_fun_~res~0#1;test_fun_~res~0#1 := 1 + test_fun_#t~post6#1;havoc test_fun_#t~post6#1; 1128#L517-3 [2023-11-21 22:06:20,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:20,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1255193994, now seen corresponding path program 5 times [2023-11-21 22:06:20,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:20,024 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184691062] [2023-11-21 22:06:20,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:20,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:20,058 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:20,092 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:20,096 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:20,096 INFO L85 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 5 times [2023-11-21 22:06:20,096 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:20,096 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1890934638] [2023-11-21 22:06:20,096 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:20,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:20,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:20,104 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:20,109 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:20,110 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:20,110 INFO L85 PathProgramCache]: Analyzing trace with hash 644383099, now seen corresponding path program 2 times [2023-11-21 22:06:20,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:20,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [503567225] [2023-11-21 22:06:20,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:20,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:20,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:20,130 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:20,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:20,165 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:20,949 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:06:20,949 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:06:20,949 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:06:20,949 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:06:20,949 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:06:20,949 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:20,949 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:06:20,949 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:06:20,949 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-2.i_Iteration9_Lasso [2023-11-21 22:06:20,949 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:06:20,949 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:06:20,952 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:20,955 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:20,958 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:20,960 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:20,962 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:20,965 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:20,969 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:20,971 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:20,976 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:20,978 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:20,982 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:20,984 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:20,987 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:21,433 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:21,437 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:21,441 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:21,443 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:21,446 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:21,887 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:06:21,887 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:06:21,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:21,888 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:21,888 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:21,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-21 22:06:21,898 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 [2023-11-21 22:06:21,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:21,908 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:21,908 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:21,908 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:21,908 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:21,909 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:21,909 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:21,910 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:21,921 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:21,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:21,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:21,922 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:21,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-21 22:06:21,924 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 [2023-11-21 22:06:21,933 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:21,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:21,934 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:21,934 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:21,935 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:21,935 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:21,938 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:21,951 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:21,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:21,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:21,952 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:21,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-21 22:06:21,954 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 [2023-11-21 22:06:21,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:21,964 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:21,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:21,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:21,964 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:21,965 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:21,965 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:21,966 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:21,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Ended with exit code 0 [2023-11-21 22:06:21,979 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:21,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:21,980 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:21,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-21 22:06:21,982 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 [2023-11-21 22:06:21,991 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:21,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:21,992 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:21,992 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:21,992 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:21,992 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:21,992 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:21,994 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:22,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Ended with exit code 0 [2023-11-21 22:06:22,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:22,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:22,008 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:22,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2023-11-21 22:06:22,009 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 [2023-11-21 22:06:22,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:22,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:22,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:22,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:22,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:22,019 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:22,019 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:22,020 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:22,031 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2023-11-21 22:06:22,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:22,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:22,032 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:22,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2023-11-21 22:06:22,035 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 [2023-11-21 22:06:22,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:22,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:22,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:22,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:22,046 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:22,046 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:22,050 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:22,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:22,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:22,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:22,062 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:22,063 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2023-11-21 22:06:22,063 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 [2023-11-21 22:06:22,073 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:22,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:22,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:22,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:22,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:22,074 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:22,074 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:22,075 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:22,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Ended with exit code 0 [2023-11-21 22:06:22,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:22,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:22,088 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:22,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-21 22:06:22,089 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 [2023-11-21 22:06:22,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:22,099 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:22,099 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:22,099 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:22,099 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:22,099 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:22,099 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:22,100 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:22,111 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2023-11-21 22:06:22,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:22,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:22,112 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:22,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-21 22:06:22,128 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 [2023-11-21 22:06:22,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:22,138 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:22,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:22,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:22,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:22,138 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:22,138 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:22,149 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:22,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:22,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:22,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:22,163 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:22,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-11-21 22:06:22,165 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 [2023-11-21 22:06:22,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:22,175 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:22,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:22,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:22,176 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:22,176 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:22,179 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:22,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2023-11-21 22:06:22,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:22,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:22,191 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:22,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-11-21 22:06:22,193 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 [2023-11-21 22:06:22,202 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:22,202 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:22,203 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:22,203 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:22,203 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:22,203 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:22,203 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:22,204 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:22,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:22,222 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:22,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:22,223 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:22,226 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 [2023-11-21 22:06:22,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:22,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:22,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:22,238 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:22,238 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:22,239 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:22,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:22,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-11-21 22:06:22,241 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:22,252 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Ended with exit code 0 [2023-11-21 22:06:22,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:22,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:22,253 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:22,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-11-21 22:06:22,254 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 [2023-11-21 22:06:22,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:22,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:22,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:22,264 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:22,267 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:22,267 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:22,275 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:06:22,284 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-11-21 22:06:22,284 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-11-21 22:06:22,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:22,284 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:22,285 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:22,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-11-21 22:06:22,287 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:06:22,297 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-21 22:06:22,297 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:06:22,297 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~numbers~0#1.base) (+ 8 ULTIMATE.start_main_~numbers~0#1.offset))_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~numbers~0#1.base) (+ 8 ULTIMATE.start_main_~numbers~0#1.offset))_1 Supporting invariants [] [2023-11-21 22:06:22,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2023-11-21 22:06:22,359 INFO L156 tatePredicateManager]: 13 out of 15 supporting invariants were superfluous and have been removed [2023-11-21 22:06:22,363 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~numbers~0!base][8 + ~numbers~0!offset] could not be translated [2023-11-21 22:06:22,388 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:22,428 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-21 22:06:22,430 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:22,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 22:06:22,621 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:22,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:22,655 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2023-11-21 22:06:22,655 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 10 Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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) [2023-11-21 22:06:22,697 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 10. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 28 states and 34 transitions. Complement of second has 4 states. [2023-11-21 22:06:22,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-21 22:06:22,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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) [2023-11-21 22:06:22,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2023-11-21 22:06:22,700 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 21 letters. Loop has 2 letters. [2023-11-21 22:06:22,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:22,701 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-21 22:06:22,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:22,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-21 22:06:22,757 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:22,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:22,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 22:06:22,911 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:22,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:22,940 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.4 stem predicates 2 loop predicates [2023-11-21 22:06:22,940 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 10 Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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) [2023-11-21 22:06:22,973 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 10. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 28 states and 34 transitions. Complement of second has 4 states. [2023-11-21 22:06:22,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-21 22:06:22,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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) [2023-11-21 22:06:22,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2023-11-21 22:06:22,984 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 21 letters. Loop has 2 letters. [2023-11-21 22:06:22,985 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:22,985 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-21 22:06:23,011 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:23,039 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-21 22:06:23,041 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:23,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:23,205 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 22:06:23,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:23,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:23,234 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.4 stem predicates 2 loop predicates [2023-11-21 22:06:23,235 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 10 Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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) [2023-11-21 22:06:23,344 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 32 transitions. cyclomatic complexity: 10. Second operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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 43 states and 53 transitions. Complement of second has 12 states. [2023-11-21 22:06:23,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 4 stem states 2 non-accepting loop states 2 accepting loop states [2023-11-21 22:06:23,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 3.1666666666666665) internal successors, (19), 6 states have internal predecessors, (19), 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) [2023-11-21 22:06:23,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 35 transitions. [2023-11-21 22:06:23,346 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 35 transitions. Stem has 21 letters. Loop has 2 letters. [2023-11-21 22:06:23,346 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:23,346 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 35 transitions. Stem has 23 letters. Loop has 2 letters. [2023-11-21 22:06:23,346 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:23,346 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 35 transitions. Stem has 21 letters. Loop has 4 letters. [2023-11-21 22:06:23,347 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:23,347 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 43 states and 53 transitions. [2023-11-21 22:06:23,347 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:06:23,348 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 43 states to 38 states and 46 transitions. [2023-11-21 22:06:23,348 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-21 22:06:23,348 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-21 22:06:23,348 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 46 transitions. [2023-11-21 22:06:23,348 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:06:23,348 INFO L218 hiAutomatonCegarLoop]: Abstraction has 38 states and 46 transitions. [2023-11-21 22:06:23,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 46 transitions. [2023-11-21 22:06:23,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 32. [2023-11-21 22:06:23,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.1875) internal successors, (38), 31 states have internal predecessors, (38), 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) [2023-11-21 22:06:23,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 38 transitions. [2023-11-21 22:06:23,351 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 38 transitions. [2023-11-21 22:06:23,351 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 38 transitions. [2023-11-21 22:06:23,352 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-21 22:06:23,352 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 38 transitions. [2023-11-21 22:06:23,352 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:06:23,352 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:06:23,353 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:06:23,353 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2023-11-21 22:06:23,353 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 22:06:23,354 INFO L748 eck$LassoCheckResult]: Stem: 1577#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1578#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~k~0#1, main_#t~ret11#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet7#1;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 1572#L526 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 1567#L526-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~k~0#1 := 0; 1568#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 1569#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1570#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 1571#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1588#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 1587#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1586#L531-3 assume !(main_~k~0#1 < main_~array_size~0#1); 1581#L531-4 havoc main_~k~0#1;assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#res#1;havoc test_fun_#t~mem4#1, test_fun_#t~post5#1, test_fun_#t~post6#1, test_fun_#t~mem3#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;test_fun_~res~0#1 := 0;test_fun_~i~0#1 := 0; 1573#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 1574#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1593#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 1594#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 1575#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 1576#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1584#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 1579#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 1580#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 1596#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1592#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 1591#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 1589#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 1582#L517-3 [2023-11-21 22:06:23,354 INFO L750 eck$LassoCheckResult]: Loop: 1582#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1583#L517-1 assume !!(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1;call test_fun_#t~mem4#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_#t~post5#1 := test_fun_#t~mem4#1;call write~int#0(test_fun_#t~post5#1 - 1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);havoc test_fun_#t~mem4#1;havoc test_fun_#t~post5#1;test_fun_#t~post6#1 := test_fun_~res~0#1;test_fun_~res~0#1 := 1 + test_fun_#t~post6#1;havoc test_fun_#t~post6#1; 1582#L517-3 [2023-11-21 22:06:23,354 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:23,354 INFO L85 PathProgramCache]: Analyzing trace with hash 776867019, now seen corresponding path program 6 times [2023-11-21 22:06:23,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:23,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1662549596] [2023-11-21 22:06:23,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:23,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:23,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:23,538 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:23,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:06:23,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1662549596] [2023-11-21 22:06:23,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1662549596] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:06:23,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1266794753] [2023-11-21 22:06:23,539 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-21 22:06:23,539 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:06:23,539 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:23,540 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:06:23,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (64)] Waiting until timeout for monitored process [2023-11-21 22:06:23,623 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2023-11-21 22:06:23,623 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-21 22:06:23,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 22:06:23,626 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:23,753 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:23,753 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:06:23,855 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:23,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1266794753] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:06:23,855 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 22:06:23,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 16 [2023-11-21 22:06:23,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1320234667] [2023-11-21 22:06:23,856 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 22:06:23,856 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-21 22:06:23,857 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:23,857 INFO L85 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 6 times [2023-11-21 22:06:23,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:23,857 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [59133357] [2023-11-21 22:06:23,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:23,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:23,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:23,863 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:23,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:23,867 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:23,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:06:23,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2023-11-21 22:06:23,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=207, Unknown=0, NotChecked=0, Total=272 [2023-11-21 22:06:23,918 INFO L87 Difference]: Start difference. First operand 32 states and 38 transitions. cyclomatic complexity: 12 Second operand has 17 states, 16 states have (on average 2.9375) internal successors, (47), 17 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) [2023-11-21 22:06:24,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:06:24,052 INFO L93 Difference]: Finished difference Result 52 states and 61 transitions. [2023-11-21 22:06:24,052 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 61 transitions. [2023-11-21 22:06:24,053 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:06:24,054 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 35 states and 41 transitions. [2023-11-21 22:06:24,054 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-21 22:06:24,054 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-21 22:06:24,054 INFO L73 IsDeterministic]: Start isDeterministic. Operand 35 states and 41 transitions. [2023-11-21 22:06:24,054 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:06:24,055 INFO L218 hiAutomatonCegarLoop]: Abstraction has 35 states and 41 transitions. [2023-11-21 22:06:24,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states and 41 transitions. [2023-11-21 22:06:24,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 34. [2023-11-21 22:06:24,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 34 states, 34 states have (on average 1.1764705882352942) internal successors, (40), 33 states have internal predecessors, (40), 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) [2023-11-21 22:06:24,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 40 transitions. [2023-11-21 22:06:24,058 INFO L240 hiAutomatonCegarLoop]: Abstraction has 34 states and 40 transitions. [2023-11-21 22:06:24,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-21 22:06:24,058 INFO L428 stractBuchiCegarLoop]: Abstraction has 34 states and 40 transitions. [2023-11-21 22:06:24,058 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2023-11-21 22:06:24,059 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 34 states and 40 transitions. [2023-11-21 22:06:24,059 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:06:24,059 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:06:24,059 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:06:24,060 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1] [2023-11-21 22:06:24,060 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 22:06:24,061 INFO L748 eck$LassoCheckResult]: Stem: 1836#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 1837#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~k~0#1, main_#t~ret11#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet7#1;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 1830#L526 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 1825#L526-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~k~0#1 := 0; 1826#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 1827#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1828#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 1829#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1831#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 1851#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1850#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 1845#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 1844#L531-3 assume !(main_~k~0#1 < main_~array_size~0#1); 1839#L531-4 havoc main_~k~0#1;assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#res#1;havoc test_fun_#t~mem4#1, test_fun_#t~post5#1, test_fun_#t~post6#1, test_fun_#t~mem3#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;test_fun_~res~0#1 := 0;test_fun_~i~0#1 := 0; 1832#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 1833#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1857#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 1838#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 1834#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 1835#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1842#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 1853#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 1856#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 1855#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1849#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 1848#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 1846#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 1840#L517-3 [2023-11-21 22:06:24,061 INFO L750 eck$LassoCheckResult]: Loop: 1840#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 1841#L517-1 assume !!(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1;call test_fun_#t~mem4#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_#t~post5#1 := test_fun_#t~mem4#1;call write~int#0(test_fun_#t~post5#1 - 1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);havoc test_fun_#t~mem4#1;havoc test_fun_#t~post5#1;test_fun_#t~post6#1 := test_fun_~res~0#1;test_fun_~res~0#1 := 1 + test_fun_#t~post6#1;havoc test_fun_#t~post6#1; 1840#L517-3 [2023-11-21 22:06:24,061 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:24,061 INFO L85 PathProgramCache]: Analyzing trace with hash -914443991, now seen corresponding path program 7 times [2023-11-21 22:06:24,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:24,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1643685632] [2023-11-21 22:06:24,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:24,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:24,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:24,103 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:24,131 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:24,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:24,138 INFO L85 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 7 times [2023-11-21 22:06:24,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:24,138 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1059712394] [2023-11-21 22:06:24,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:24,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:24,146 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:24,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:24,149 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:24,150 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:24,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1687621486, now seen corresponding path program 3 times [2023-11-21 22:06:24,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:24,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513241610] [2023-11-21 22:06:24,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:24,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:24,178 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:24,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:24,208 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:25,160 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:06:25,160 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:06:25,161 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:06:25,161 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:06:25,161 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:06:25,161 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:25,161 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:06:25,161 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:06:25,161 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-2.i_Iteration11_Lasso [2023-11-21 22:06:25,161 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:06:25,161 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:06:25,163 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:25,170 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:25,171 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:25,174 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:25,176 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:25,178 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:25,182 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:25,186 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:25,188 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:25,738 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:25,741 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:25,743 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:25,745 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:25,747 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:25,751 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:25,754 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:25,756 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:26,269 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:06:26,269 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:06:26,270 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:26,270 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:26,274 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:26,276 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 [2023-11-21 22:06:26,277 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2023-11-21 22:06:26,286 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:26,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:26,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:26,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:26,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:26,287 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:26,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:26,288 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:26,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:26,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:26,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:26,327 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:26,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2023-11-21 22:06:26,329 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 [2023-11-21 22:06:26,339 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:26,339 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:26,339 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:26,339 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:26,339 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:26,340 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:26,340 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:26,342 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:26,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:26,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:26,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:26,378 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:26,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2023-11-21 22:06:26,380 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 [2023-11-21 22:06:26,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:26,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:26,390 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:26,390 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:26,392 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:26,392 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:26,395 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:26,433 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2023-11-21 22:06:26,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:26,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:26,434 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:26,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2023-11-21 22:06:26,436 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 [2023-11-21 22:06:26,446 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:26,446 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:26,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:26,447 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:26,447 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:26,447 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:26,447 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:26,448 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:26,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:26,486 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:26,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:26,487 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:26,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2023-11-21 22:06:26,489 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 [2023-11-21 22:06:26,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:26,500 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:26,500 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:26,500 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:26,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:26,500 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:26,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:26,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:26,513 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:26,513 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:26,513 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:26,514 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:26,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2023-11-21 22:06:26,515 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 [2023-11-21 22:06:26,525 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:26,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:26,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:26,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:26,526 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:26,526 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:26,526 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:26,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:26,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:26,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:26,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:26,541 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:26,543 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 [2023-11-21 22:06:26,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2023-11-21 22:06:26,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:26,553 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:26,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:26,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:26,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:26,554 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:26,554 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:26,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:26,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:26,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:26,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:26,576 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:26,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2023-11-21 22:06:26,578 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 [2023-11-21 22:06:26,588 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:26,588 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:26,588 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:26,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:26,588 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:26,589 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:26,589 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:26,590 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:26,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:26,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:26,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:26,604 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:26,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2023-11-21 22:06:26,606 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 [2023-11-21 22:06:26,616 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:26,616 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:26,616 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:26,616 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:26,620 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:26,620 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:26,629 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:26,643 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:26,643 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:26,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:26,644 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:26,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2023-11-21 22:06:26,645 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 [2023-11-21 22:06:26,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:26,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:26,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:26,656 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:26,658 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:26,658 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:26,665 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:26,676 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2023-11-21 22:06:26,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:26,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:26,677 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:26,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2023-11-21 22:06:26,678 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 [2023-11-21 22:06:26,689 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:26,689 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:26,689 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:26,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:26,697 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:26,697 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:26,713 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:26,724 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2023-11-21 22:06:26,724 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:26,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:26,725 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:26,726 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2023-11-21 22:06:26,727 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 [2023-11-21 22:06:26,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:26,737 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:26,737 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:26,737 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:26,742 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:26,742 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:26,759 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:26,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:26,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:26,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:26,775 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:26,776 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2023-11-21 22:06:26,777 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 [2023-11-21 22:06:26,787 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:26,787 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:26,787 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:26,787 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:26,790 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:26,790 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:26,796 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:26,820 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:26,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:26,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:26,821 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:26,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2023-11-21 22:06:26,824 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 [2023-11-21 22:06:26,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:26,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:26,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:26,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:26,837 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:26,837 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:26,842 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:26,853 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:26,854 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:26,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:26,854 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:26,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2023-11-21 22:06:26,857 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 [2023-11-21 22:06:26,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:26,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:26,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:26,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:26,873 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:26,873 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:26,891 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:06:26,900 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2023-11-21 22:06:26,900 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-11-21 22:06:26,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:26,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:26,902 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:26,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2023-11-21 22:06:26,903 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:06:26,914 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-21 22:06:26,914 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:06:26,914 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~numbers~0#1.base) (+ 12 ULTIMATE.start_main_~numbers~0#1.offset))_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~numbers~0#1.base) (+ 12 ULTIMATE.start_main_~numbers~0#1.offset))_1 Supporting invariants [] [2023-11-21 22:06:26,927 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2023-11-21 22:06:27,000 INFO L156 tatePredicateManager]: 17 out of 19 supporting invariants were superfluous and have been removed [2023-11-21 22:06:27,005 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~numbers~0!base][12 + ~numbers~0!offset] could not be translated [2023-11-21 22:06:27,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:27,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:27,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-21 22:06:27,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:27,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:27,302 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 22:06:27,304 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:27,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:27,337 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2023-11-21 22:06:27,338 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 40 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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) [2023-11-21 22:06:27,379 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 40 transitions. cyclomatic complexity: 12. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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 35 states and 42 transitions. Complement of second has 4 states. [2023-11-21 22:06:27,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-21 22:06:27,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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) [2023-11-21 22:06:27,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2023-11-21 22:06:27,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 27 letters. Loop has 2 letters. [2023-11-21 22:06:27,380 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:27,380 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-21 22:06:27,407 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:27,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:27,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-21 22:06:27,438 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:27,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:27,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:27,685 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 22:06:27,686 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:27,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:27,722 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.5 stem predicates 2 loop predicates [2023-11-21 22:06:27,722 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 40 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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) [2023-11-21 22:06:27,759 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 40 transitions. cyclomatic complexity: 12. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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 35 states and 42 transitions. Complement of second has 4 states. [2023-11-21 22:06:27,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-21 22:06:27,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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) [2023-11-21 22:06:27,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2023-11-21 22:06:27,760 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 27 letters. Loop has 2 letters. [2023-11-21 22:06:27,760 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:27,761 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-21 22:06:27,788 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:27,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:27,815 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-21 22:06:27,817 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:28,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 22:06:28,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:28,066 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:28,067 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.5 stem predicates 2 loop predicates [2023-11-21 22:06:28,067 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 34 states and 40 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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) [2023-11-21 22:06:28,213 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 34 states and 40 transitions. cyclomatic complexity: 12. Second operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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 51 states and 63 transitions. Complement of second has 14 states. [2023-11-21 22:06:28,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 5 stem states 2 non-accepting loop states 2 accepting loop states [2023-11-21 22:06:28,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 3.2857142857142856) internal successors, (23), 7 states have internal predecessors, (23), 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) [2023-11-21 22:06:28,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 41 transitions. [2023-11-21 22:06:28,215 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 41 transitions. Stem has 27 letters. Loop has 2 letters. [2023-11-21 22:06:28,215 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:28,215 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 41 transitions. Stem has 29 letters. Loop has 2 letters. [2023-11-21 22:06:28,215 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:28,216 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 41 transitions. Stem has 27 letters. Loop has 4 letters. [2023-11-21 22:06:28,216 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:28,216 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 63 transitions. [2023-11-21 22:06:28,217 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:06:28,217 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 46 states and 56 transitions. [2023-11-21 22:06:28,217 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-21 22:06:28,217 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-21 22:06:28,218 INFO L73 IsDeterministic]: Start isDeterministic. Operand 46 states and 56 transitions. [2023-11-21 22:06:28,218 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:06:28,218 INFO L218 hiAutomatonCegarLoop]: Abstraction has 46 states and 56 transitions. [2023-11-21 22:06:28,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states and 56 transitions. [2023-11-21 22:06:28,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 39. [2023-11-21 22:06:28,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 39 states have (on average 1.1794871794871795) internal successors, (46), 38 states have internal predecessors, (46), 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) [2023-11-21 22:06:28,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 46 transitions. [2023-11-21 22:06:28,221 INFO L240 hiAutomatonCegarLoop]: Abstraction has 39 states and 46 transitions. [2023-11-21 22:06:28,221 INFO L428 stractBuchiCegarLoop]: Abstraction has 39 states and 46 transitions. [2023-11-21 22:06:28,221 INFO L335 stractBuchiCegarLoop]: ======== Iteration 12 ============ [2023-11-21 22:06:28,222 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 39 states and 46 transitions. [2023-11-21 22:06:28,222 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:06:28,222 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:06:28,222 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:06:28,223 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1] [2023-11-21 22:06:28,223 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 22:06:28,224 INFO L748 eck$LassoCheckResult]: Stem: 2394#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2395#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~k~0#1, main_#t~ret11#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet7#1;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 2388#L526 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 2383#L526-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~k~0#1 := 0; 2384#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 2385#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 2386#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 2387#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 2389#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 2406#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 2405#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 2404#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 2403#L531-3 assume !(main_~k~0#1 < main_~array_size~0#1); 2398#L531-4 havoc main_~k~0#1;assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#res#1;havoc test_fun_#t~mem4#1, test_fun_#t~post5#1, test_fun_#t~post6#1, test_fun_#t~mem3#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;test_fun_~res~0#1 := 0;test_fun_~i~0#1 := 0; 2390#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 2391#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 2401#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 2420#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 2392#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 2393#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 2412#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 2396#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 2397#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 2418#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 2417#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 2416#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 2415#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 2414#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 2410#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 2409#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 2407#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 2399#L517-3 [2023-11-21 22:06:28,224 INFO L750 eck$LassoCheckResult]: Loop: 2399#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 2400#L517-1 assume !!(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1;call test_fun_#t~mem4#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_#t~post5#1 := test_fun_#t~mem4#1;call write~int#0(test_fun_#t~post5#1 - 1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);havoc test_fun_#t~mem4#1;havoc test_fun_#t~post5#1;test_fun_#t~post6#1 := test_fun_~res~0#1;test_fun_~res~0#1 := 1 + test_fun_#t~post6#1;havoc test_fun_#t~post6#1; 2399#L517-3 [2023-11-21 22:06:28,224 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:28,224 INFO L85 PathProgramCache]: Analyzing trace with hash -1693390338, now seen corresponding path program 8 times [2023-11-21 22:06:28,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:28,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664573607] [2023-11-21 22:06:28,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:28,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:28,426 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:28,426 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:06:28,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664573607] [2023-11-21 22:06:28,426 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664573607] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:06:28,426 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548274455] [2023-11-21 22:06:28,426 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-21 22:06:28,426 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:06:28,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:28,427 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:06:28,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (81)] Waiting until timeout for monitored process [2023-11-21 22:06:28,510 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-21 22:06:28,510 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-21 22:06:28,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 22:06:28,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:28,684 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 28 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:28,684 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:06:28,814 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 28 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:28,815 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548274455] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:06:28,815 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 22:06:28,815 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 19 [2023-11-21 22:06:28,815 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521413548] [2023-11-21 22:06:28,815 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 22:06:28,816 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-21 22:06:28,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:28,816 INFO L85 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 8 times [2023-11-21 22:06:28,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:28,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956194919] [2023-11-21 22:06:28,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:28,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:28,828 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:28,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:28,832 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:28,883 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:06:28,883 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2023-11-21 22:06:28,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380 [2023-11-21 22:06:28,884 INFO L87 Difference]: Start difference. First operand 39 states and 46 transitions. cyclomatic complexity: 14 Second operand has 20 states, 19 states have (on average 3.0) internal successors, (57), 20 states have internal predecessors, (57), 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) [2023-11-21 22:06:29,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:06:29,114 INFO L93 Difference]: Finished difference Result 64 states and 75 transitions. [2023-11-21 22:06:29,115 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 64 states and 75 transitions. [2023-11-21 22:06:29,115 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:06:29,116 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 64 states to 42 states and 49 transitions. [2023-11-21 22:06:29,116 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-21 22:06:29,116 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-21 22:06:29,116 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 49 transitions. [2023-11-21 22:06:29,116 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:06:29,117 INFO L218 hiAutomatonCegarLoop]: Abstraction has 42 states and 49 transitions. [2023-11-21 22:06:29,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 49 transitions. [2023-11-21 22:06:29,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 41. [2023-11-21 22:06:29,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.170731707317073) internal successors, (48), 40 states have internal predecessors, (48), 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) [2023-11-21 22:06:29,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 48 transitions. [2023-11-21 22:06:29,124 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 48 transitions. [2023-11-21 22:06:29,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-21 22:06:29,124 INFO L428 stractBuchiCegarLoop]: Abstraction has 41 states and 48 transitions. [2023-11-21 22:06:29,124 INFO L335 stractBuchiCegarLoop]: ======== Iteration 13 ============ [2023-11-21 22:06:29,125 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 48 transitions. [2023-11-21 22:06:29,125 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:06:29,125 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:06:29,125 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:06:29,126 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 4, 4, 4, 1, 1, 1, 1, 1, 1] [2023-11-21 22:06:29,126 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 22:06:29,127 INFO L748 eck$LassoCheckResult]: Stem: 2712#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 2713#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~k~0#1, main_#t~ret11#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet7#1;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 2706#L526 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 2701#L526-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~k~0#1 := 0; 2702#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 2703#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 2704#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 2705#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 2707#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 2729#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 2728#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 2727#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 2726#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 2721#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 2720#L531-3 assume !(main_~k~0#1 < main_~array_size~0#1); 2715#L531-4 havoc main_~k~0#1;assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#res#1;havoc test_fun_#t~mem4#1, test_fun_#t~post5#1, test_fun_#t~post6#1, test_fun_#t~mem3#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;test_fun_~res~0#1 := 0;test_fun_~i~0#1 := 0; 2708#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 2709#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 2718#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 2714#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 2710#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 2711#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 2740#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 2739#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 2738#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 2736#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 2735#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 2734#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 2733#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 2732#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 2725#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 2724#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 2722#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 2716#L517-3 [2023-11-21 22:06:29,127 INFO L750 eck$LassoCheckResult]: Loop: 2716#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 2717#L517-1 assume !!(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1;call test_fun_#t~mem4#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_#t~post5#1 := test_fun_#t~mem4#1;call write~int#0(test_fun_#t~post5#1 - 1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);havoc test_fun_#t~mem4#1;havoc test_fun_#t~post5#1;test_fun_#t~post6#1 := test_fun_~res~0#1;test_fun_~res~0#1 := 1 + test_fun_#t~post6#1;havoc test_fun_#t~post6#1; 2716#L517-3 [2023-11-21 22:06:29,127 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:29,127 INFO L85 PathProgramCache]: Analyzing trace with hash -54505508, now seen corresponding path program 9 times [2023-11-21 22:06:29,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:29,128 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66036102] [2023-11-21 22:06:29,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:29,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:29,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:29,147 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:29,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:29,164 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:29,165 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:29,165 INFO L85 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 9 times [2023-11-21 22:06:29,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:29,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459936258] [2023-11-21 22:06:29,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:29,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:29,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:29,170 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:29,173 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:29,174 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:29,174 INFO L85 PathProgramCache]: Analyzing trace with hash -840184479, now seen corresponding path program 4 times [2023-11-21 22:06:29,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:29,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1655227088] [2023-11-21 22:06:29,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:29,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:29,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:29,195 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:29,214 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:30,554 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:06:30,555 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:06:30,555 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:06:30,555 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:06:30,555 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:06:30,555 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:30,555 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:06:30,556 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:06:30,556 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-2.i_Iteration13_Lasso [2023-11-21 22:06:30,556 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:06:30,556 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:06:30,559 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:30,561 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:30,563 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:30,570 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:30,573 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:30,575 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:30,578 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:30,580 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:30,585 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:30,589 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:31,392 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:31,394 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:31,396 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:31,404 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:31,406 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:31,409 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:31,411 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:31,902 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:06:31,902 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:06:31,903 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:31,903 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:31,904 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:31,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2023-11-21 22:06:31,905 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 [2023-11-21 22:06:31,915 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:31,915 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:31,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:31,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:31,915 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:31,916 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:31,916 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:31,917 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:31,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:31,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:31,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:31,929 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:31,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2023-11-21 22:06:31,930 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 [2023-11-21 22:06:31,940 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:31,940 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:31,940 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:31,940 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:31,940 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:31,940 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:31,940 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:31,942 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:31,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2023-11-21 22:06:31,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:31,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:31,953 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:31,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2023-11-21 22:06:31,955 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 [2023-11-21 22:06:31,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:31,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:31,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:31,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:31,966 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:31,966 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:31,969 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:31,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:31,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:31,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:31,981 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:31,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2023-11-21 22:06:31,983 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 [2023-11-21 22:06:31,992 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:31,992 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:31,993 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:31,993 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:31,993 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:31,993 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:31,993 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:31,994 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:32,005 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:32,005 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:32,005 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:32,006 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:32,007 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2023-11-21 22:06:32,008 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 [2023-11-21 22:06:32,017 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:32,018 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:32,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:32,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:32,018 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:32,024 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:32,024 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:32,025 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:32,038 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:32,038 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:32,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:32,039 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:32,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2023-11-21 22:06:32,041 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 [2023-11-21 22:06:32,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:32,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:32,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:32,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:32,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:32,051 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:32,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:32,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:32,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:32,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:32,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:32,064 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:32,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2023-11-21 22:06:32,065 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 [2023-11-21 22:06:32,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:32,075 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:32,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:32,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:32,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:32,075 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:32,075 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:32,077 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:32,087 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Ended with exit code 0 [2023-11-21 22:06:32,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:32,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:32,088 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:32,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2023-11-21 22:06:32,090 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 [2023-11-21 22:06:32,099 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:32,100 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:32,100 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:32,100 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:32,101 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:32,101 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:32,105 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:32,121 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Ended with exit code 0 [2023-11-21 22:06:32,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:32,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:32,122 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:32,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2023-11-21 22:06:32,124 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 [2023-11-21 22:06:32,134 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:32,134 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:32,134 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:32,134 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:32,134 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:32,134 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:32,134 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:32,135 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:32,153 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:32,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:32,153 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:32,154 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:32,154 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2023-11-21 22:06:32,155 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 [2023-11-21 22:06:32,165 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:32,165 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:32,165 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:32,165 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:32,173 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:32,174 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:32,187 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:32,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:32,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:32,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:32,200 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:32,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2023-11-21 22:06:32,201 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 [2023-11-21 22:06:32,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:32,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:32,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:32,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:32,214 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:32,214 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:32,221 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:06:32,229 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2023-11-21 22:06:32,230 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-11-21 22:06:32,230 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:32,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:32,231 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:32,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2023-11-21 22:06:32,232 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:06:32,243 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-21 22:06:32,243 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:06:32,243 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~numbers~0#1.base) (+ 16 ULTIMATE.start_main_~numbers~0#1.offset))_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~numbers~0#1.base) (+ 16 ULTIMATE.start_main_~numbers~0#1.offset))_1 Supporting invariants [] [2023-11-21 22:06:32,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:32,355 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2023-11-21 22:06:32,369 INFO L156 tatePredicateManager]: 21 out of 23 supporting invariants were superfluous and have been removed [2023-11-21 22:06:32,373 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~numbers~0!base][16 + ~numbers~0!offset] could not be translated [2023-11-21 22:06:32,396 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:32,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:32,427 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-21 22:06:32,428 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:32,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:32,706 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 22:06:32,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:32,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:32,738 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2023-11-21 22:06:32,738 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 48 transitions. cyclomatic complexity: 14 Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 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) [2023-11-21 22:06:32,779 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 48 transitions. cyclomatic complexity: 14. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 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 42 states and 50 transitions. Complement of second has 4 states. [2023-11-21 22:06:32,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-21 22:06:32,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 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) [2023-11-21 22:06:32,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2023-11-21 22:06:32,780 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 33 letters. Loop has 2 letters. [2023-11-21 22:06:32,780 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:32,780 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-21 22:06:32,804 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:32,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:32,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-21 22:06:32,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:33,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:33,073 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 22:06:33,073 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:33,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:33,109 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.6 stem predicates 2 loop predicates [2023-11-21 22:06:33,109 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 48 transitions. cyclomatic complexity: 14 Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 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) [2023-11-21 22:06:33,143 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 48 transitions. cyclomatic complexity: 14. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 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 42 states and 50 transitions. Complement of second has 4 states. [2023-11-21 22:06:33,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-21 22:06:33,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 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) [2023-11-21 22:06:33,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2023-11-21 22:06:33,144 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 33 letters. Loop has 2 letters. [2023-11-21 22:06:33,145 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:33,145 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-21 22:06:33,171 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:33,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:33,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-21 22:06:33,203 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:33,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 22:06:33,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:33,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:33,479 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.6 stem predicates 2 loop predicates [2023-11-21 22:06:33,479 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 48 transitions. cyclomatic complexity: 14 Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 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) [2023-11-21 22:06:33,638 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 48 transitions. cyclomatic complexity: 14. Second operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 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 73 transitions. Complement of second has 16 states. [2023-11-21 22:06:33,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 6 stem states 2 non-accepting loop states 2 accepting loop states [2023-11-21 22:06:33,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8 states, 8 states have (on average 3.375) internal successors, (27), 8 states have internal predecessors, (27), 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) [2023-11-21 22:06:33,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 47 transitions. [2023-11-21 22:06:33,639 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 47 transitions. Stem has 33 letters. Loop has 2 letters. [2023-11-21 22:06:33,639 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:33,640 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 47 transitions. Stem has 35 letters. Loop has 2 letters. [2023-11-21 22:06:33,640 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:33,640 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 47 transitions. Stem has 33 letters. Loop has 4 letters. [2023-11-21 22:06:33,640 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:33,640 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 73 transitions. [2023-11-21 22:06:33,641 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:06:33,641 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 54 states and 66 transitions. [2023-11-21 22:06:33,641 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-21 22:06:33,642 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-21 22:06:33,642 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 66 transitions. [2023-11-21 22:06:33,642 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:06:33,642 INFO L218 hiAutomatonCegarLoop]: Abstraction has 54 states and 66 transitions. [2023-11-21 22:06:33,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 66 transitions. [2023-11-21 22:06:33,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 46. [2023-11-21 22:06:33,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 46 states have (on average 1.173913043478261) internal successors, (54), 45 states have internal predecessors, (54), 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) [2023-11-21 22:06:33,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 54 transitions. [2023-11-21 22:06:33,645 INFO L240 hiAutomatonCegarLoop]: Abstraction has 46 states and 54 transitions. [2023-11-21 22:06:33,645 INFO L428 stractBuchiCegarLoop]: Abstraction has 46 states and 54 transitions. [2023-11-21 22:06:33,646 INFO L335 stractBuchiCegarLoop]: ======== Iteration 14 ============ [2023-11-21 22:06:33,646 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 46 states and 54 transitions. [2023-11-21 22:06:33,646 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:06:33,646 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:06:33,646 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:06:33,647 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1] [2023-11-21 22:06:33,647 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 22:06:33,648 INFO L748 eck$LassoCheckResult]: Stem: 3374#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3375#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~k~0#1, main_#t~ret11#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet7#1;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 3369#L526 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 3364#L526-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~k~0#1 := 0; 3365#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 3366#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 3367#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 3368#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 3389#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 3388#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 3387#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 3386#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 3385#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 3384#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 3383#L531-3 assume !(main_~k~0#1 < main_~array_size~0#1); 3378#L531-4 havoc main_~k~0#1;assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#res#1;havoc test_fun_#t~mem4#1, test_fun_#t~post5#1, test_fun_#t~post6#1, test_fun_#t~mem3#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;test_fun_~res~0#1 := 0;test_fun_~i~0#1 := 0; 3370#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 3371#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 3408#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 3407#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 3372#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 3373#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 3382#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 3376#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 3377#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 3405#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 3404#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 3403#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 3402#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 3400#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 3399#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 3398#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 3397#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 3396#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 3393#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 3392#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 3390#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 3380#L517-3 [2023-11-21 22:06:33,648 INFO L750 eck$LassoCheckResult]: Loop: 3380#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 3379#L517-1 assume !!(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1;call test_fun_#t~mem4#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_#t~post5#1 := test_fun_#t~mem4#1;call write~int#0(test_fun_#t~post5#1 - 1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);havoc test_fun_#t~mem4#1;havoc test_fun_#t~post5#1;test_fun_#t~post6#1 := test_fun_~res~0#1;test_fun_~res~0#1 := 1 + test_fun_#t~post6#1;havoc test_fun_#t~post6#1; 3380#L517-3 [2023-11-21 22:06:33,648 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:33,648 INFO L85 PathProgramCache]: Analyzing trace with hash 36566833, now seen corresponding path program 10 times [2023-11-21 22:06:33,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:33,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633755382] [2023-11-21 22:06:33,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:33,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:33,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:33,918 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 28 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:33,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:06:33,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633755382] [2023-11-21 22:06:33,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633755382] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:06:33,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1953248876] [2023-11-21 22:06:33,919 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-21 22:06:33,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:06:33,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:33,920 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:06:33,921 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (94)] Waiting until timeout for monitored process [2023-11-21 22:06:34,011 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-21 22:06:34,011 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-21 22:06:34,012 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 22:06:34,013 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:34,233 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 45 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:34,233 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:06:34,377 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 45 proven. 25 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:34,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1953248876] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:06:34,377 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 22:06:34,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 22 [2023-11-21 22:06:34,377 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541556790] [2023-11-21 22:06:34,378 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 22:06:34,378 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-21 22:06:34,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:34,378 INFO L85 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 10 times [2023-11-21 22:06:34,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:34,378 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675516688] [2023-11-21 22:06:34,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:34,379 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:34,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:34,383 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:34,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:34,387 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:34,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:06:34,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2023-11-21 22:06:34,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=389, Unknown=0, NotChecked=0, Total=506 [2023-11-21 22:06:34,449 INFO L87 Difference]: Start difference. First operand 46 states and 54 transitions. cyclomatic complexity: 16 Second operand has 23 states, 22 states have (on average 3.0454545454545454) internal successors, (67), 23 states have internal predecessors, (67), 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) [2023-11-21 22:06:34,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:06:34,664 INFO L93 Difference]: Finished difference Result 76 states and 89 transitions. [2023-11-21 22:06:34,664 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 76 states and 89 transitions. [2023-11-21 22:06:34,665 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:06:34,665 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 76 states to 49 states and 57 transitions. [2023-11-21 22:06:34,666 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-21 22:06:34,666 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-21 22:06:34,666 INFO L73 IsDeterministic]: Start isDeterministic. Operand 49 states and 57 transitions. [2023-11-21 22:06:34,666 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:06:34,666 INFO L218 hiAutomatonCegarLoop]: Abstraction has 49 states and 57 transitions. [2023-11-21 22:06:34,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states and 57 transitions. [2023-11-21 22:06:34,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 48. [2023-11-21 22:06:34,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 48 states have (on average 1.1666666666666667) internal successors, (56), 47 states have internal predecessors, (56), 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) [2023-11-21 22:06:34,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 56 transitions. [2023-11-21 22:06:34,670 INFO L240 hiAutomatonCegarLoop]: Abstraction has 48 states and 56 transitions. [2023-11-21 22:06:34,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2023-11-21 22:06:34,670 INFO L428 stractBuchiCegarLoop]: Abstraction has 48 states and 56 transitions. [2023-11-21 22:06:34,671 INFO L335 stractBuchiCegarLoop]: ======== Iteration 15 ============ [2023-11-21 22:06:34,671 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 48 states and 56 transitions. [2023-11-21 22:06:34,671 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:06:34,671 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:06:34,672 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:06:34,673 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [6, 6, 6, 5, 5, 5, 1, 1, 1, 1, 1, 1] [2023-11-21 22:06:34,673 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 22:06:34,673 INFO L748 eck$LassoCheckResult]: Stem: 3753#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 3754#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~k~0#1, main_#t~ret11#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet7#1;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 3747#L526 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 3742#L526-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~k~0#1 := 0; 3743#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 3744#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 3745#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 3746#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 3748#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 3772#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 3771#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 3770#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 3769#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 3768#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 3767#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 3762#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 3761#L531-3 assume !(main_~k~0#1 < main_~array_size~0#1); 3756#L531-4 havoc main_~k~0#1;assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#res#1;havoc test_fun_#t~mem4#1, test_fun_#t~post5#1, test_fun_#t~post6#1, test_fun_#t~mem3#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;test_fun_~res~0#1 := 0;test_fun_~i~0#1 := 0; 3749#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 3750#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 3759#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 3755#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 3751#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 3752#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 3788#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 3787#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 3786#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 3784#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 3783#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 3782#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 3781#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 3779#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 3778#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 3777#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 3776#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 3775#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 3766#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 3765#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 3763#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 3757#L517-3 [2023-11-21 22:06:34,673 INFO L750 eck$LassoCheckResult]: Loop: 3757#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 3758#L517-1 assume !!(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1;call test_fun_#t~mem4#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_#t~post5#1 := test_fun_#t~mem4#1;call write~int#0(test_fun_#t~post5#1 - 1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);havoc test_fun_#t~mem4#1;havoc test_fun_#t~post5#1;test_fun_#t~post6#1 := test_fun_~res~0#1;test_fun_~res~0#1 := 1 + test_fun_#t~post6#1;havoc test_fun_#t~post6#1; 3757#L517-3 [2023-11-21 22:06:34,674 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:34,674 INFO L85 PathProgramCache]: Analyzing trace with hash -643498353, now seen corresponding path program 11 times [2023-11-21 22:06:34,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:34,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1127758387] [2023-11-21 22:06:34,674 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:34,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:34,704 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:34,725 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:34,725 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:34,726 INFO L85 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 11 times [2023-11-21 22:06:34,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:34,726 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664865072] [2023-11-21 22:06:34,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:34,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:34,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:34,730 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:34,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:34,734 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:34,734 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:34,735 INFO L85 PathProgramCache]: Analyzing trace with hash 73374548, now seen corresponding path program 5 times [2023-11-21 22:06:34,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:34,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004144449] [2023-11-21 22:06:34,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:34,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:34,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:34,759 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:34,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:34,780 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:36,939 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:06:36,939 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:06:36,939 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:06:36,939 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:06:36,939 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:06:36,939 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:36,939 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:06:36,939 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:06:36,939 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-2.i_Iteration15_Lasso [2023-11-21 22:06:36,939 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:06:36,939 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:06:36,942 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:36,950 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:36,952 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:37,676 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:37,680 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:37,694 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:37,700 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:37,702 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:37,705 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:37,707 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:37,712 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:37,715 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:37,717 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:37,720 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:37,723 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:37,726 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:37,730 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:37,733 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:37,735 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:37,738 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:38,263 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:06:38,264 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:06:38,264 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:38,264 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:38,267 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:38,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2023-11-21 22:06:38,270 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 [2023-11-21 22:06:38,280 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:38,280 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:38,280 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:38,280 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:38,280 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:38,281 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:38,281 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:38,282 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:38,293 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:38,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:38,294 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:38,294 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:38,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2023-11-21 22:06:38,296 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 [2023-11-21 22:06:38,306 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:38,306 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:38,306 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:38,306 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:38,308 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:38,308 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:38,311 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:38,340 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Ended with exit code 0 [2023-11-21 22:06:38,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:38,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:38,341 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:38,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2023-11-21 22:06:38,343 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 [2023-11-21 22:06:38,353 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:38,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:38,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:38,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:38,358 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:38,358 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:38,364 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:38,401 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:38,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:38,401 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:38,402 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:38,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2023-11-21 22:06:38,404 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 [2023-11-21 22:06:38,414 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:38,414 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:38,414 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:38,414 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:38,417 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:38,417 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:38,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:38,462 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Ended with exit code 0 [2023-11-21 22:06:38,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:38,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:38,464 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:38,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2023-11-21 22:06:38,477 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 [2023-11-21 22:06:38,488 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:38,489 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:38,489 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:38,489 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:38,495 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:38,495 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:38,509 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:38,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2023-11-21 22:06:38,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:38,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:38,549 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:38,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2023-11-21 22:06:38,550 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 [2023-11-21 22:06:38,561 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:38,561 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:38,561 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:38,561 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:38,564 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:38,565 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:38,573 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:38,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:38,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:38,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:38,588 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:38,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2023-11-21 22:06:38,589 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 [2023-11-21 22:06:38,599 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:38,599 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:38,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:38,600 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:38,601 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:38,601 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:38,624 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:38,636 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:38,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:38,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:38,638 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:38,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2023-11-21 22:06:38,639 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 [2023-11-21 22:06:38,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:38,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:38,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:38,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:38,652 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:38,653 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:38,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:38,671 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Ended with exit code 0 [2023-11-21 22:06:38,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:38,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:38,672 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:38,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2023-11-21 22:06:38,674 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 [2023-11-21 22:06:38,684 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:38,684 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:38,684 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:38,684 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:38,687 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:38,688 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:38,695 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:38,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Ended with exit code 0 [2023-11-21 22:06:38,733 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:38,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:38,734 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:38,735 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2023-11-21 22:06:38,736 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 [2023-11-21 22:06:38,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:38,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:38,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:38,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:38,749 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:38,749 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:38,757 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:06:38,770 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2023-11-21 22:06:38,770 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-11-21 22:06:38,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:38,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:38,772 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:38,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2023-11-21 22:06:38,773 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:06:38,784 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-21 22:06:38,784 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:06:38,784 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~numbers~0#1.base) 20)_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~numbers~0#1.base) 20)_1 Supporting invariants [] [2023-11-21 22:06:38,819 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Ended with exit code 0 [2023-11-21 22:06:38,917 INFO L156 tatePredicateManager]: 24 out of 26 supporting invariants were superfluous and have been removed [2023-11-21 22:06:38,921 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~numbers~0!base][20] could not be translated [2023-11-21 22:06:38,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:38,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:38,977 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-21 22:06:38,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:39,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 22:06:39,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:39,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:39,339 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.8 stem predicates 2 loop predicates [2023-11-21 22:06:39,339 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 48 states and 56 transitions. cyclomatic complexity: 16 Second operand has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 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) [2023-11-21 22:06:39,407 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 48 states and 56 transitions. cyclomatic complexity: 16. Second operand has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 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) Result 49 states and 58 transitions. Complement of second has 5 states. [2023-11-21 22:06:39,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-21 22:06:39,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 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) [2023-11-21 22:06:39,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2023-11-21 22:06:39,408 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 39 letters. Loop has 2 letters. [2023-11-21 22:06:39,408 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:39,408 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-21 22:06:39,435 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,471 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-21 22:06:39,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:39,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 22:06:39,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:39,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:39,879 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.8 stem predicates 2 loop predicates [2023-11-21 22:06:39,880 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 48 states and 56 transitions. cyclomatic complexity: 16 Second operand has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 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) [2023-11-21 22:06:39,946 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 48 states and 56 transitions. cyclomatic complexity: 16. Second operand has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 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) Result 49 states and 58 transitions. Complement of second has 5 states. [2023-11-21 22:06:39,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-21 22:06:39,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 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) [2023-11-21 22:06:39,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2023-11-21 22:06:39,947 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 39 letters. Loop has 2 letters. [2023-11-21 22:06:39,947 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:39,947 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-21 22:06:39,971 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:40,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-21 22:06:40,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:40,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:40,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:40,391 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 22:06:40,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:40,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:40,422 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.8 stem predicates 2 loop predicates [2023-11-21 22:06:40,422 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 48 states and 56 transitions. cyclomatic complexity: 16 Second operand has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 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) [2023-11-21 22:06:40,774 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 48 states and 56 transitions. cyclomatic complexity: 16. Second operand has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 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) Result 67 states and 83 transitions. Complement of second has 19 states. [2023-11-21 22:06:40,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 12 states 8 stem states 2 non-accepting loop states 2 accepting loop states [2023-11-21 22:06:40,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10 states, 10 states have (on average 3.1) internal successors, (31), 10 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) [2023-11-21 22:06:40,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 53 transitions. [2023-11-21 22:06:40,776 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 53 transitions. Stem has 39 letters. Loop has 2 letters. [2023-11-21 22:06:40,776 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:40,776 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 53 transitions. Stem has 41 letters. Loop has 2 letters. [2023-11-21 22:06:40,776 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:40,776 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 12 states and 53 transitions. Stem has 39 letters. Loop has 4 letters. [2023-11-21 22:06:40,776 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:40,776 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 67 states and 83 transitions. [2023-11-21 22:06:40,777 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:06:40,778 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 67 states to 62 states and 76 transitions. [2023-11-21 22:06:40,778 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-21 22:06:40,778 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-21 22:06:40,778 INFO L73 IsDeterministic]: Start isDeterministic. Operand 62 states and 76 transitions. [2023-11-21 22:06:40,779 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:06:40,779 INFO L218 hiAutomatonCegarLoop]: Abstraction has 62 states and 76 transitions. [2023-11-21 22:06:40,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states and 76 transitions. [2023-11-21 22:06:40,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 53. [2023-11-21 22:06:40,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 53 states have (on average 1.169811320754717) internal successors, (62), 52 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) [2023-11-21 22:06:40,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 62 transitions. [2023-11-21 22:06:40,782 INFO L240 hiAutomatonCegarLoop]: Abstraction has 53 states and 62 transitions. [2023-11-21 22:06:40,782 INFO L428 stractBuchiCegarLoop]: Abstraction has 53 states and 62 transitions. [2023-11-21 22:06:40,782 INFO L335 stractBuchiCegarLoop]: ======== Iteration 16 ============ [2023-11-21 22:06:40,783 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 53 states and 62 transitions. [2023-11-21 22:06:40,783 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:06:40,783 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:06:40,783 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:06:40,784 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1] [2023-11-21 22:06:40,785 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 22:06:40,785 INFO L748 eck$LassoCheckResult]: Stem: 4533#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 4534#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~k~0#1, main_#t~ret11#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet7#1;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 4528#L526 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 4523#L526-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~k~0#1 := 0; 4524#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 4525#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 4526#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 4527#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 4550#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 4549#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 4548#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 4547#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 4546#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 4545#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 4544#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 4543#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 4542#L531-3 assume !(main_~k~0#1 < main_~array_size~0#1); 4537#L531-4 havoc main_~k~0#1;assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#res#1;havoc test_fun_#t~mem4#1, test_fun_#t~post5#1, test_fun_#t~post6#1, test_fun_#t~mem3#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;test_fun_~res~0#1 := 0;test_fun_~i~0#1 := 0; 4529#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 4530#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 4574#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 4573#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 4531#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 4532#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 4540#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 4535#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 4536#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 4571#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 4570#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 4569#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 4568#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 4566#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 4565#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 4564#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 4563#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 4561#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 4560#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 4559#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 4558#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 4557#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 4554#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 4553#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 4551#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 4538#L517-3 [2023-11-21 22:06:40,785 INFO L750 eck$LassoCheckResult]: Loop: 4538#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 4539#L517-1 assume !!(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1;call test_fun_#t~mem4#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_#t~post5#1 := test_fun_#t~mem4#1;call write~int#0(test_fun_#t~post5#1 - 1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);havoc test_fun_#t~mem4#1;havoc test_fun_#t~post5#1;test_fun_#t~post6#1 := test_fun_~res~0#1;test_fun_~res~0#1 := 1 + test_fun_#t~post6#1;havoc test_fun_#t~post6#1; 4538#L517-3 [2023-11-21 22:06:40,785 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:40,786 INFO L85 PathProgramCache]: Analyzing trace with hash 1793463396, now seen corresponding path program 12 times [2023-11-21 22:06:40,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:40,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [630362323] [2023-11-21 22:06:40,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:40,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:40,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:41,163 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 45 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:41,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:06:41,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [630362323] [2023-11-21 22:06:41,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [630362323] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:06:41,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [322544313] [2023-11-21 22:06:41,164 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2023-11-21 22:06:41,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:06:41,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:41,166 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:06:41,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (106)] Waiting until timeout for monitored process [2023-11-21 22:06:41,293 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2023-11-21 22:06:41,294 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-21 22:06:41,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-21 22:06:41,297 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:41,556 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 66 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:41,557 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:06:41,744 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 66 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:41,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [322544313] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:06:41,744 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 22:06:41,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16, 16] total 25 [2023-11-21 22:06:41,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725164062] [2023-11-21 22:06:41,745 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 22:06:41,745 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-21 22:06:41,746 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:41,746 INFO L85 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 12 times [2023-11-21 22:06:41,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:41,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [260571035] [2023-11-21 22:06:41,746 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:41,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:41,751 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:41,754 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:41,797 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:06:41,798 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2023-11-21 22:06:41,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=501, Unknown=0, NotChecked=0, Total=650 [2023-11-21 22:06:41,799 INFO L87 Difference]: Start difference. First operand 53 states and 62 transitions. cyclomatic complexity: 18 Second operand has 26 states, 25 states have (on average 3.08) internal successors, (77), 26 states have internal predecessors, (77), 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) [2023-11-21 22:06:42,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:06:42,087 INFO L93 Difference]: Finished difference Result 88 states and 103 transitions. [2023-11-21 22:06:42,087 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 88 states and 103 transitions. [2023-11-21 22:06:42,088 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:06:42,088 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 88 states to 56 states and 65 transitions. [2023-11-21 22:06:42,089 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-21 22:06:42,089 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-21 22:06:42,089 INFO L73 IsDeterministic]: Start isDeterministic. Operand 56 states and 65 transitions. [2023-11-21 22:06:42,089 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:06:42,089 INFO L218 hiAutomatonCegarLoop]: Abstraction has 56 states and 65 transitions. [2023-11-21 22:06:42,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states and 65 transitions. [2023-11-21 22:06:42,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 55. [2023-11-21 22:06:42,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 55 states have (on average 1.1636363636363636) internal successors, (64), 54 states have internal predecessors, (64), 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) [2023-11-21 22:06:42,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 64 transitions. [2023-11-21 22:06:42,092 INFO L240 hiAutomatonCegarLoop]: Abstraction has 55 states and 64 transitions. [2023-11-21 22:06:42,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-21 22:06:42,092 INFO L428 stractBuchiCegarLoop]: Abstraction has 55 states and 64 transitions. [2023-11-21 22:06:42,093 INFO L335 stractBuchiCegarLoop]: ======== Iteration 17 ============ [2023-11-21 22:06:42,093 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 55 states and 64 transitions. [2023-11-21 22:06:42,093 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:06:42,093 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:06:42,093 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:06:42,094 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [7, 7, 7, 6, 6, 6, 1, 1, 1, 1, 1, 1] [2023-11-21 22:06:42,094 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 22:06:42,094 INFO L748 eck$LassoCheckResult]: Stem: 4972#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 4973#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~k~0#1, main_#t~ret11#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet7#1;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 4966#L526 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 4965#L526-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~k~0#1 := 0; 4961#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 4962#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 4963#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 4964#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 4967#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 4993#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 4992#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 4991#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 4990#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 4989#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 4988#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 4987#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 4986#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 4981#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 4980#L531-3 assume !(main_~k~0#1 < main_~array_size~0#1); 4974#L531-4 havoc main_~k~0#1;assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#res#1;havoc test_fun_#t~mem4#1, test_fun_#t~post5#1, test_fun_#t~post6#1, test_fun_#t~mem3#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;test_fun_~res~0#1 := 0;test_fun_~i~0#1 := 0; 4968#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 4969#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 4978#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 4975#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 4970#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 4971#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 5014#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 5013#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 5012#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 5010#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 5009#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 5008#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 5007#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 5005#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 5004#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 5003#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 5002#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 5000#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 4999#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 4998#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 4997#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 4996#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 4985#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 4984#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 4982#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 4976#L517-3 [2023-11-21 22:06:42,094 INFO L750 eck$LassoCheckResult]: Loop: 4976#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 4977#L517-1 assume !!(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1;call test_fun_#t~mem4#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_#t~post5#1 := test_fun_#t~mem4#1;call write~int#0(test_fun_#t~post5#1 - 1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);havoc test_fun_#t~mem4#1;havoc test_fun_#t~post5#1;test_fun_#t~post6#1 := test_fun_~res~0#1;test_fun_~res~0#1 := 1 + test_fun_#t~post6#1;havoc test_fun_#t~post6#1; 4976#L517-3 [2023-11-21 22:06:42,095 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:42,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1162190146, now seen corresponding path program 13 times [2023-11-21 22:06:42,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:42,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566409136] [2023-11-21 22:06:42,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:42,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:42,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:42,150 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:42,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:42,176 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:42,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:42,177 INFO L85 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 13 times [2023-11-21 22:06:42,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:42,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1263382516] [2023-11-21 22:06:42,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:42,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:42,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:42,181 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:42,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:42,185 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:42,185 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:42,185 INFO L85 PathProgramCache]: Analyzing trace with hash 173234503, now seen corresponding path program 6 times [2023-11-21 22:06:42,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:42,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [455846699] [2023-11-21 22:06:42,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:42,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:42,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:42,209 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:42,233 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:44,921 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:06:44,921 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:06:44,921 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:06:44,921 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:06:44,921 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:06:44,921 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:44,921 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:06:44,921 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:06:44,921 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-2.i_Iteration17_Lasso [2023-11-21 22:06:44,921 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:06:44,921 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:06:44,923 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:44,930 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:45,453 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:45,455 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:45,456 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:45,459 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:45,461 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:45,463 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:45,465 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:45,466 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:45,468 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:45,470 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:45,473 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:45,475 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:45,477 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:45,479 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:45,481 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:45,483 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:45,485 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:45,487 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:45,949 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:06:45,949 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:06:45,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:45,949 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:45,954 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:45,956 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 [2023-11-21 22:06:45,968 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:45,969 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:45,969 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:45,969 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:45,970 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:45,970 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:45,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2023-11-21 22:06:45,981 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:45,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:45,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:45,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:46,000 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:46,006 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 [2023-11-21 22:06:46,018 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:46,018 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:46,018 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:46,019 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:46,021 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:46,021 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:46,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2023-11-21 22:06:46,039 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:46,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:46,057 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:46,057 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:46,058 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:46,062 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 [2023-11-21 22:06:46,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:46,074 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:46,074 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:46,074 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:46,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2023-11-21 22:06:46,078 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:46,078 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:46,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:46,094 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Ended with exit code 0 [2023-11-21 22:06:46,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:46,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:46,095 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:46,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2023-11-21 22:06:46,098 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 [2023-11-21 22:06:46,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:46,109 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:46,109 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:46,109 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:46,111 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:46,112 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:46,119 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:06:46,125 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2023-11-21 22:06:46,126 INFO L444 ModelExtractionUtils]: 3 out of 10 variables were initially zero. Simplification set additionally 5 variables to zero. [2023-11-21 22:06:46,126 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:46,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:46,127 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:46,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2023-11-21 22:06:46,128 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:06:46,139 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-21 22:06:46,139 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:06:46,139 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~numbers~0#1.base) 24)_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~numbers~0#1.base) 24)_1 Supporting invariants [] [2023-11-21 22:06:46,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Ended with exit code 0 [2023-11-21 22:06:46,182 INFO L156 tatePredicateManager]: 10 out of 12 supporting invariants were superfluous and have been removed [2023-11-21 22:06:46,186 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~numbers~0!base][24] could not be translated [2023-11-21 22:06:46,208 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:46,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:46,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-21 22:06:46,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:46,619 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 22:06:46,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:46,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:46,650 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.9 stem predicates 2 loop predicates [2023-11-21 22:06:46,650 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 55 states and 64 transitions. cyclomatic complexity: 18 Second operand has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 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) [2023-11-21 22:06:46,709 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 55 states and 64 transitions. cyclomatic complexity: 18. Second operand has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 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) Result 56 states and 66 transitions. Complement of second has 5 states. [2023-11-21 22:06:46,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-21 22:06:46,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 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) [2023-11-21 22:06:46,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2023-11-21 22:06:46,710 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 45 letters. Loop has 2 letters. [2023-11-21 22:06:46,710 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:46,711 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-21 22:06:46,739 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:46,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:46,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-21 22:06:46,790 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:47,006 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:47,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 22:06:47,183 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:47,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:47,212 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.9 stem predicates 2 loop predicates [2023-11-21 22:06:47,212 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 55 states and 64 transitions. cyclomatic complexity: 18 Second operand has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 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) [2023-11-21 22:06:47,270 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 55 states and 64 transitions. cyclomatic complexity: 18. Second operand has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 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) Result 56 states and 66 transitions. Complement of second has 5 states. [2023-11-21 22:06:47,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 3 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-21 22:06:47,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 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) [2023-11-21 22:06:47,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 9 transitions. [2023-11-21 22:06:47,272 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 9 transitions. Stem has 45 letters. Loop has 2 letters. [2023-11-21 22:06:47,272 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:47,272 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-21 22:06:47,298 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:47,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:47,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-21 22:06:47,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:47,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:47,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 22:06:47,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:47,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:47,731 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.9 stem predicates 2 loop predicates [2023-11-21 22:06:47,731 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 55 states and 64 transitions. cyclomatic complexity: 18 Second operand has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 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) [2023-11-21 22:06:48,131 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 55 states and 64 transitions. cyclomatic complexity: 18. Second operand has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 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) Result 75 states and 93 transitions. Complement of second has 21 states. [2023-11-21 22:06:48,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 9 stem states 2 non-accepting loop states 2 accepting loop states [2023-11-21 22:06:48,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 3.1818181818181817) internal successors, (35), 11 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) [2023-11-21 22:06:48,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 59 transitions. [2023-11-21 22:06:48,135 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 59 transitions. Stem has 45 letters. Loop has 2 letters. [2023-11-21 22:06:48,135 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:48,136 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 59 transitions. Stem has 47 letters. Loop has 2 letters. [2023-11-21 22:06:48,136 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:48,136 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 59 transitions. Stem has 45 letters. Loop has 4 letters. [2023-11-21 22:06:48,136 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:48,136 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 75 states and 93 transitions. [2023-11-21 22:06:48,137 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:06:48,138 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 75 states to 70 states and 86 transitions. [2023-11-21 22:06:48,138 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-21 22:06:48,138 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-21 22:06:48,138 INFO L73 IsDeterministic]: Start isDeterministic. Operand 70 states and 86 transitions. [2023-11-21 22:06:48,138 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:06:48,138 INFO L218 hiAutomatonCegarLoop]: Abstraction has 70 states and 86 transitions. [2023-11-21 22:06:48,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states and 86 transitions. [2023-11-21 22:06:48,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 60. [2023-11-21 22:06:48,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 60 states have (on average 1.1666666666666667) internal successors, (70), 59 states have internal predecessors, (70), 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) [2023-11-21 22:06:48,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 70 transitions. [2023-11-21 22:06:48,143 INFO L240 hiAutomatonCegarLoop]: Abstraction has 60 states and 70 transitions. [2023-11-21 22:06:48,144 INFO L428 stractBuchiCegarLoop]: Abstraction has 60 states and 70 transitions. [2023-11-21 22:06:48,144 INFO L335 stractBuchiCegarLoop]: ======== Iteration 18 ============ [2023-11-21 22:06:48,144 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 60 states and 70 transitions. [2023-11-21 22:06:48,144 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:06:48,145 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:06:48,145 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:06:48,145 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [8, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1] [2023-11-21 22:06:48,146 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 22:06:48,146 INFO L748 eck$LassoCheckResult]: Stem: 5786#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 5787#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~k~0#1, main_#t~ret11#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet7#1;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 5781#L526 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 5776#L526-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~k~0#1 := 0; 5777#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 5778#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 5779#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 5780#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 5805#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 5804#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 5803#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 5802#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 5801#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 5800#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 5799#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 5798#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 5797#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 5796#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 5795#L531-3 assume !(main_~k~0#1 < main_~array_size~0#1); 5790#L531-4 havoc main_~k~0#1;assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#res#1;havoc test_fun_#t~mem4#1, test_fun_#t~post5#1, test_fun_#t~post6#1, test_fun_#t~mem3#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;test_fun_~res~0#1 := 0;test_fun_~i~0#1 := 0; 5782#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 5783#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 5834#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 5833#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 5784#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 5785#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 5793#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 5788#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 5789#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 5831#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 5830#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 5829#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 5828#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 5826#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 5825#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 5824#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 5823#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 5821#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 5820#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 5819#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 5818#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 5816#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 5815#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 5814#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 5813#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 5812#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 5809#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 5808#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 5806#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 5791#L517-3 [2023-11-21 22:06:48,146 INFO L750 eck$LassoCheckResult]: Loop: 5791#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 5792#L517-1 assume !!(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1;call test_fun_#t~mem4#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_#t~post5#1 := test_fun_#t~mem4#1;call write~int#0(test_fun_#t~post5#1 - 1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);havoc test_fun_#t~mem4#1;havoc test_fun_#t~post5#1;test_fun_#t~post6#1 := test_fun_~res~0#1;test_fun_~res~0#1 := 1 + test_fun_#t~post6#1;havoc test_fun_#t~post6#1; 5791#L517-3 [2023-11-21 22:06:48,146 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:48,147 INFO L85 PathProgramCache]: Analyzing trace with hash -1025367657, now seen corresponding path program 14 times [2023-11-21 22:06:48,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:48,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148326414] [2023-11-21 22:06:48,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:48,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:48,581 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 66 proven. 74 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:48,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:06:48,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148326414] [2023-11-21 22:06:48,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148326414] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:06:48,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978576753] [2023-11-21 22:06:48,582 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-21 22:06:48,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:06:48,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:48,583 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:06:48,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (112)] Waiting until timeout for monitored process [2023-11-21 22:06:48,736 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-21 22:06:48,736 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-21 22:06:48,738 INFO L262 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-21 22:06:48,740 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:49,030 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 91 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:49,031 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:06:49,255 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 91 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:49,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978576753] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:06:49,255 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 22:06:49,256 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18, 18] total 28 [2023-11-21 22:06:49,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728720873] [2023-11-21 22:06:49,256 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 22:06:49,256 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-21 22:06:49,257 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:49,257 INFO L85 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 14 times [2023-11-21 22:06:49,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:49,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019751843] [2023-11-21 22:06:49,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:49,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:49,263 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:49,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:49,267 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:49,326 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:06:49,327 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2023-11-21 22:06:49,327 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=627, Unknown=0, NotChecked=0, Total=812 [2023-11-21 22:06:49,328 INFO L87 Difference]: Start difference. First operand 60 states and 70 transitions. cyclomatic complexity: 20 Second operand has 29 states, 28 states have (on average 3.107142857142857) internal successors, (87), 29 states have internal predecessors, (87), 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) [2023-11-21 22:06:49,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:06:49,677 INFO L93 Difference]: Finished difference Result 100 states and 117 transitions. [2023-11-21 22:06:49,677 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 100 states and 117 transitions. [2023-11-21 22:06:49,678 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:06:49,678 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 100 states to 63 states and 73 transitions. [2023-11-21 22:06:49,678 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2023-11-21 22:06:49,679 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2023-11-21 22:06:49,679 INFO L73 IsDeterministic]: Start isDeterministic. Operand 63 states and 73 transitions. [2023-11-21 22:06:49,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:06:49,679 INFO L218 hiAutomatonCegarLoop]: Abstraction has 63 states and 73 transitions. [2023-11-21 22:06:49,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states and 73 transitions. [2023-11-21 22:06:49,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 62. [2023-11-21 22:06:49,682 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) [2023-11-21 22:06:49,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 72 transitions. [2023-11-21 22:06:49,683 INFO L240 hiAutomatonCegarLoop]: Abstraction has 62 states and 72 transitions. [2023-11-21 22:06:49,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-11-21 22:06:49,683 INFO L428 stractBuchiCegarLoop]: Abstraction has 62 states and 72 transitions. [2023-11-21 22:06:49,683 INFO L335 stractBuchiCegarLoop]: ======== Iteration 19 ============ [2023-11-21 22:06:49,683 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 62 states and 72 transitions. [2023-11-21 22:06:49,684 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:06:49,684 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:06:49,684 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:06:49,685 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [8, 8, 8, 7, 7, 7, 1, 1, 1, 1, 1, 1] [2023-11-21 22:06:49,685 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 22:06:49,686 INFO L748 eck$LassoCheckResult]: Stem: 6284#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6285#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~k~0#1, main_#t~ret11#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet7#1;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 6279#L526 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 6274#L526-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~k~0#1 := 0; 6275#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 6276#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 6277#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 6278#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 6308#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 6307#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 6306#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 6305#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 6304#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 6303#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 6302#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 6301#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 6300#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 6299#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 6298#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 6293#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 6292#L531-3 assume !(main_~k~0#1 < main_~array_size~0#1); 6286#L531-4 havoc main_~k~0#1;assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#res#1;havoc test_fun_#t~mem4#1, test_fun_#t~post5#1, test_fun_#t~post6#1, test_fun_#t~mem3#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;test_fun_~res~0#1 := 0;test_fun_~i~0#1 := 0; 6280#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 6281#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 6291#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 6287#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 6282#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 6283#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 6334#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 6333#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 6332#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 6330#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 6329#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 6328#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 6327#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 6325#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 6324#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 6323#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 6322#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 6320#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 6319#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 6318#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 6317#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 6315#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 6314#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 6313#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 6312#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 6311#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 6297#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 6296#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 6294#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 6289#L517-3 [2023-11-21 22:06:49,686 INFO L750 eck$LassoCheckResult]: Loop: 6289#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 6288#L517-1 assume !!(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1;call test_fun_#t~mem4#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_#t~post5#1 := test_fun_#t~mem4#1;call write~int#0(test_fun_#t~post5#1 - 1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);havoc test_fun_#t~mem4#1;havoc test_fun_#t~post5#1;test_fun_#t~post6#1 := test_fun_~res~0#1;test_fun_~res~0#1 := 1 + test_fun_#t~post6#1;havoc test_fun_#t~post6#1; 6289#L517-3 [2023-11-21 22:06:49,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:49,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1227033589, now seen corresponding path program 15 times [2023-11-21 22:06:49,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:49,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074232327] [2023-11-21 22:06:49,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:49,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:49,714 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:49,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:49,740 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:49,740 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:49,740 INFO L85 PathProgramCache]: Analyzing trace with hash 2118, now seen corresponding path program 15 times [2023-11-21 22:06:49,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:49,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [512557749] [2023-11-21 22:06:49,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:49,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:49,745 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:49,748 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:49,749 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:49,749 INFO L85 PathProgramCache]: Analyzing trace with hash -1936726214, now seen corresponding path program 7 times [2023-11-21 22:06:49,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:49,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5303451] [2023-11-21 22:06:49,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:49,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:49,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:49,775 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:06:49,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:06:49,800 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:06:53,920 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:06:53,921 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:06:53,921 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:06:53,921 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:06:53,921 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:06:53,921 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:53,921 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:06:53,921 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:06:53,921 INFO L133 ssoRankerPreferences]: Filename of dumped script: array01-alloca-2.i_Iteration19_Lasso [2023-11-21 22:06:53,921 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:06:53,922 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:06:53,924 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:53,928 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:53,931 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:55,238 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:55,241 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:55,243 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:55,245 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:55,247 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:55,248 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:55,250 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:55,252 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:55,254 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:55,256 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:55,259 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:55,261 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:55,263 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:55,265 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:06:55,847 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:06:55,848 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:06:55,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:55,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:55,854 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:55,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2023-11-21 22:06:55,857 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 [2023-11-21 22:06:55,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:55,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:55,867 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:55,867 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:55,868 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:55,868 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:55,872 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:55,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Ended with exit code 0 [2023-11-21 22:06:55,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:55,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:55,884 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:55,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2023-11-21 22:06:55,887 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:06:55,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:55,897 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:06:55,897 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:55,897 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:55,897 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:55,898 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:06:55,898 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:06:55,899 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:55,911 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:55,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:55,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:55,913 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:55,914 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2023-11-21 22:06:55,915 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 [2023-11-21 22:06:55,924 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:55,924 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:55,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:55,924 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:55,927 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:55,927 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:55,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:55,943 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:55,943 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:55,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:55,944 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:55,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2023-11-21 22:06:55,946 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 [2023-11-21 22:06:55,955 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:55,955 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:55,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:55,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:55,958 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:55,958 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:55,964 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:56,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Ended with exit code 0 [2023-11-21 22:06:56,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:56,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:56,002 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:56,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2023-11-21 22:06:56,004 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 [2023-11-21 22:06:56,013 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:56,013 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:56,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:56,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:56,016 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:56,016 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:56,022 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:56,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:56,033 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:56,033 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:56,034 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:56,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2023-11-21 22:06:56,035 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 [2023-11-21 22:06:56,045 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:56,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:56,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:56,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:56,048 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:56,048 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:56,054 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:56,065 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:56,065 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:56,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:56,066 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:56,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2023-11-21 22:06:56,067 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 [2023-11-21 22:06:56,077 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:56,077 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:56,077 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:56,077 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:56,078 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:56,078 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:56,082 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:56,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:56,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:56,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:56,096 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:56,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2023-11-21 22:06:56,097 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 [2023-11-21 22:06:56,107 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:56,107 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:56,107 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:56,107 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:56,117 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:56,117 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:56,130 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:06:56,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2023-11-21 22:06:56,167 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:56,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:56,168 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:56,169 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2023-11-21 22:06:56,169 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 [2023-11-21 22:06:56,179 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:06:56,179 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:06:56,179 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:06:56,179 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:06:56,182 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:06:56,182 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:06:56,189 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:06:56,198 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-11-21 22:06:56,198 INFO L444 ModelExtractionUtils]: 1 out of 10 variables were initially zero. Simplification set additionally 7 variables to zero. [2023-11-21 22:06:56,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:06:56,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:56,207 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:06:56,210 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:06:56,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2023-11-21 22:06:56,221 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-21 22:06:56,221 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:06:56,221 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int#0 ULTIMATE.start_main_~numbers~0#1.base) (+ 28 ULTIMATE.start_main_~numbers~0#1.offset))_1) = 1*v_rep(select (select #memory_int#0 ULTIMATE.start_main_~numbers~0#1.base) (+ 28 ULTIMATE.start_main_~numbers~0#1.offset))_1 Supporting invariants [] [2023-11-21 22:06:56,236 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Ended with exit code 0 [2023-11-21 22:06:56,395 INFO L156 tatePredicateManager]: 33 out of 35 supporting invariants were superfluous and have been removed [2023-11-21 22:06:56,399 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #memory_int#0[~numbers~0!base][28 + ~numbers~0!offset] could not be translated [2023-11-21 22:06:56,422 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:56,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:56,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-21 22:06:56,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:56,859 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 22:06:56,860 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:56,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:56,892 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.9 stem predicates 2 loop predicates [2023-11-21 22:06:56,892 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 62 states and 72 transitions. cyclomatic complexity: 20 Second operand has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 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) [2023-11-21 22:06:56,932 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 62 states and 72 transitions. cyclomatic complexity: 20. Second operand has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 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) Result 63 states and 74 transitions. Complement of second has 4 states. [2023-11-21 22:06:56,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-21 22:06:56,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 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) [2023-11-21 22:06:56,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2023-11-21 22:06:56,934 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 51 letters. Loop has 2 letters. [2023-11-21 22:06:56,934 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:56,934 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-21 22:06:56,960 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:57,002 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-21 22:06:57,004 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:57,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:57,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 22:06:57,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:57,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:57,433 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.9 stem predicates 2 loop predicates [2023-11-21 22:06:57,433 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 62 states and 72 transitions. cyclomatic complexity: 20 Second operand has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 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) [2023-11-21 22:06:57,470 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 62 states and 72 transitions. cyclomatic complexity: 20. Second operand has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 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) Result 63 states and 74 transitions. Complement of second has 4 states. [2023-11-21 22:06:57,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 2 stem states 0 non-accepting loop states 1 accepting loop states [2023-11-21 22:06:57,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 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) [2023-11-21 22:06:57,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2023-11-21 22:06:57,471 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 51 letters. Loop has 2 letters. [2023-11-21 22:06:57,472 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:57,472 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2023-11-21 22:06:57,495 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:57,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:57,535 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-21 22:06:57,537 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:57,750 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2023-11-21 22:06:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:57,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 22:06:57,977 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:58,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:58,009 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.9 stem predicates 2 loop predicates [2023-11-21 22:06:58,009 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 62 states and 72 transitions. cyclomatic complexity: 20 Second operand has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 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) [2023-11-21 22:06:58,269 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 62 states and 72 transitions. cyclomatic complexity: 20. Second operand has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 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) Result 83 states and 103 transitions. Complement of second has 22 states. [2023-11-21 22:06:58,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 13 states 9 stem states 2 non-accepting loop states 2 accepting loop states [2023-11-21 22:06:58,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 3.5454545454545454) internal successors, (39), 11 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) [2023-11-21 22:06:58,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 65 transitions. [2023-11-21 22:06:58,271 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 65 transitions. Stem has 51 letters. Loop has 2 letters. [2023-11-21 22:06:58,271 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:58,271 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 65 transitions. Stem has 53 letters. Loop has 2 letters. [2023-11-21 22:06:58,271 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:58,271 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 13 states and 65 transitions. Stem has 51 letters. Loop has 4 letters. [2023-11-21 22:06:58,272 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:06:58,272 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 83 states and 103 transitions. [2023-11-21 22:06:58,273 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:06:58,273 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 83 states to 78 states and 96 transitions. [2023-11-21 22:06:58,273 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2023-11-21 22:06:58,274 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2023-11-21 22:06:58,274 INFO L73 IsDeterministic]: Start isDeterministic. Operand 78 states and 96 transitions. [2023-11-21 22:06:58,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2023-11-21 22:06:58,274 INFO L218 hiAutomatonCegarLoop]: Abstraction has 78 states and 96 transitions. [2023-11-21 22:06:58,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states and 96 transitions. [2023-11-21 22:06:58,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 67. [2023-11-21 22:06:58,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 67 states have (on average 1.164179104477612) internal successors, (78), 66 states have internal predecessors, (78), 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) [2023-11-21 22:06:58,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 78 transitions. [2023-11-21 22:06:58,277 INFO L240 hiAutomatonCegarLoop]: Abstraction has 67 states and 78 transitions. [2023-11-21 22:06:58,277 INFO L428 stractBuchiCegarLoop]: Abstraction has 67 states and 78 transitions. [2023-11-21 22:06:58,277 INFO L335 stractBuchiCegarLoop]: ======== Iteration 20 ============ [2023-11-21 22:06:58,277 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 67 states and 78 transitions. [2023-11-21 22:06:58,278 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:06:58,278 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:06:58,278 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:06:58,279 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [9, 8, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1] [2023-11-21 22:06:58,279 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 22:06:58,279 INFO L748 eck$LassoCheckResult]: Stem: 7262#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 7263#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~malloc8#1.base, main_#t~malloc8#1.offset, main_#t~nondet10#1, main_#t~post9#1, main_~k~0#1, main_#t~ret11#1, main_~array_size~0#1, main_~numbers~0#1.base, main_~numbers~0#1.offset;havoc main_#t~nondet7#1;main_~array_size~0#1 := main_#t~nondet7#1;havoc main_#t~nondet7#1; 7257#L526 assume !(main_~array_size~0#1 < 1 || main_~array_size~0#1 % 4294967296 >= 536870911); 7252#L526-2 call main_#t~malloc8#1.base, main_#t~malloc8#1.offset := #Ultimate.allocOnStack(4 * main_~array_size~0#1 % 4294967296);main_~numbers~0#1.base, main_~numbers~0#1.offset := main_#t~malloc8#1.base, main_#t~malloc8#1.offset;main_~k~0#1 := 0; 7253#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 7254#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 7255#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 7256#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 7283#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 7282#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 7281#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 7280#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 7279#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 7278#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 7277#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 7276#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 7275#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 7274#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 7273#L531-3 assume !!(main_~k~0#1 < main_~array_size~0#1);havoc main_#t~nondet10#1;call write~int#0(main_#t~nondet10#1, main_~numbers~0#1.base, main_~numbers~0#1.offset + 4 * main_~k~0#1, 4);havoc main_#t~nondet10#1; 7272#L531-2 main_#t~post9#1 := main_~k~0#1;main_~k~0#1 := 1 + main_#t~post9#1;havoc main_#t~post9#1; 7271#L531-3 assume !(main_~k~0#1 < main_~array_size~0#1); 7266#L531-4 havoc main_~k~0#1;assume { :begin_inline_test_fun } true;test_fun_#in~a#1.base, test_fun_#in~a#1.offset, test_fun_#in~N#1 := main_~numbers~0#1.base, main_~numbers~0#1.offset, main_~array_size~0#1;havoc test_fun_#res#1;havoc test_fun_#t~mem4#1, test_fun_#t~post5#1, test_fun_#t~post6#1, test_fun_#t~mem3#1, test_fun_#t~post2#1, test_fun_~a#1.base, test_fun_~a#1.offset, test_fun_~N#1, test_fun_~i~0#1, test_fun_~res~0#1;test_fun_~a#1.base, test_fun_~a#1.offset := test_fun_#in~a#1.base, test_fun_#in~a#1.offset;test_fun_~N#1 := test_fun_#in~N#1;havoc test_fun_~i~0#1;test_fun_~res~0#1 := 0;test_fun_~i~0#1 := 0; 7258#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 7259#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 7317#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 7316#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 7260#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 7261#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 7269#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 7264#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 7265#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 7314#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 7313#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 7312#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 7311#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 7309#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 7308#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 7307#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 7306#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 7304#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 7303#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 7302#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 7301#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 7299#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 7298#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 7297#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 7296#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 7294#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 7293#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 7292#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 7291#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 7290#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 7287#L517-1 assume !(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1; 7286#L516-2 test_fun_#t~post2#1 := test_fun_~i~0#1;test_fun_~i~0#1 := 1 + test_fun_#t~post2#1;havoc test_fun_#t~post2#1; 7284#L516-3 assume !!(test_fun_~i~0#1 < test_fun_~N#1); 7267#L517-3 [2023-11-21 22:06:58,280 INFO L750 eck$LassoCheckResult]: Loop: 7267#L517-3 call test_fun_#t~mem3#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4); 7268#L517-1 assume !!(test_fun_#t~mem3#1 > 0);havoc test_fun_#t~mem3#1;call test_fun_#t~mem4#1 := read~int#0(test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);test_fun_#t~post5#1 := test_fun_#t~mem4#1;call write~int#0(test_fun_#t~post5#1 - 1, test_fun_~a#1.base, test_fun_~a#1.offset + 4 * test_fun_~i~0#1, 4);havoc test_fun_#t~mem4#1;havoc test_fun_#t~post5#1;test_fun_#t~post6#1 := test_fun_~res~0#1;test_fun_~res~0#1 := 1 + test_fun_#t~post6#1;havoc test_fun_#t~post6#1; 7267#L517-3 [2023-11-21 22:06:58,280 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:06:58,280 INFO L85 PathProgramCache]: Analyzing trace with hash -1473052982, now seen corresponding path program 16 times [2023-11-21 22:06:58,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:06:58,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888673136] [2023-11-21 22:06:58,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:06:58,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:06:58,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:06:58,696 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 91 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:58,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:06:58,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888673136] [2023-11-21 22:06:58,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888673136] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:06:58,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238060995] [2023-11-21 22:06:58,696 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2023-11-21 22:06:58,696 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:06:58,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:06:58,697 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:06:58,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9595b95d-e1cc-42e7-a115-be3f4aa396c6/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (123)] Waiting until timeout for monitored process [2023-11-21 22:06:58,854 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2023-11-21 22:06:58,855 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-21 22:06:58,857 INFO L262 TraceCheckSpWp]: Trace formula consists of 212 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-21 22:06:58,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:06:59,192 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 120 proven. 64 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:06:59,193 INFO L327 TraceCheckSpWp]: Computing backward predicates...