./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/reducercommutativity/avg05-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4fc63b2a Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/reducercommutativity/avg05-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU --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 02f02b7f59fc1c3b5c77751f648b2e92e85109b700d3d48af7999437b36b94ea --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4fc63b2 [2024-10-31 22:18:57,953 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-31 22:18:58,061 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/config/svcomp-Termination-32bit-Automizer_Default.epf [2024-10-31 22:18:58,068 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-31 22:18:58,070 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-31 22:18:58,112 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-31 22:18:58,113 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-31 22:18:58,113 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-31 22:18:58,115 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-31 22:18:58,117 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-31 22:18:58,118 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-31 22:18:58,118 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-31 22:18:58,119 INFO L153 SettingsManager]: * Use SBE=true [2024-10-31 22:18:58,120 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-10-31 22:18:58,122 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-10-31 22:18:58,122 INFO L153 SettingsManager]: * Use old map elimination=false [2024-10-31 22:18:58,122 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-10-31 22:18:58,123 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-10-31 22:18:58,123 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-10-31 22:18:58,124 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-31 22:18:58,124 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-10-31 22:18:58,126 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-31 22:18:58,127 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-31 22:18:58,127 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-31 22:18:58,127 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-31 22:18:58,128 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-10-31 22:18:58,128 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-10-31 22:18:58,128 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-10-31 22:18:58,129 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-31 22:18:58,129 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-31 22:18:58,130 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-31 22:18:58,130 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-31 22:18:58,130 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-10-31 22:18:58,131 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-31 22:18:58,132 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-31 22:18:58,132 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-31 22:18:58,132 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-31 22:18:58,133 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-31 22:18:58,133 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-10-31 22:18:58,133 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_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 02f02b7f59fc1c3b5c77751f648b2e92e85109b700d3d48af7999437b36b94ea [2024-10-31 22:18:58,410 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-31 22:18:58,443 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-31 22:18:58,446 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-31 22:18:58,449 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-31 22:18:58,449 INFO L274 PluginConnector]: CDTParser initialized [2024-10-31 22:18:58,451 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/../../sv-benchmarks/c/reducercommutativity/avg05-1.i Unable to find full path for "g++" [2024-10-31 22:19:00,819 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-31 22:19:01,070 INFO L384 CDTParser]: Found 1 translation units. [2024-10-31 22:19:01,070 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/sv-benchmarks/c/reducercommutativity/avg05-1.i [2024-10-31 22:19:01,080 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/data/77762a8c3/7405b63d540a4eed9f72053a392477e3/FLAG4d4689f6f [2024-10-31 22:19:01,103 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/data/77762a8c3/7405b63d540a4eed9f72053a392477e3 [2024-10-31 22:19:01,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-31 22:19:01,110 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-31 22:19:01,112 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-31 22:19:01,112 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-31 22:19:01,127 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-31 22:19:01,130 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:19:01" (1/1) ... [2024-10-31 22:19:01,131 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c17a90f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:01, skipping insertion in model container [2024-10-31 22:19:01,132 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 31.10 10:19:01" (1/1) ... [2024-10-31 22:19:01,157 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-31 22:19:01,440 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:19:01,452 INFO L200 MainTranslator]: Completed pre-run [2024-10-31 22:19:01,484 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-31 22:19:01,507 INFO L204 MainTranslator]: Completed translation [2024-10-31 22:19:01,508 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:01 WrapperNode [2024-10-31 22:19:01,508 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-31 22:19:01,509 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-31 22:19:01,509 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-31 22:19:01,510 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-31 22:19:01,518 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:01" (1/1) ... [2024-10-31 22:19:01,527 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:01" (1/1) ... [2024-10-31 22:19:01,560 INFO L138 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 118 [2024-10-31 22:19:01,564 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-31 22:19:01,565 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-31 22:19:01,565 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-31 22:19:01,565 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-31 22:19:01,578 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:01" (1/1) ... [2024-10-31 22:19:01,578 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:01" (1/1) ... [2024-10-31 22:19:01,581 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:01" (1/1) ... [2024-10-31 22:19:01,611 INFO L175 MemorySlicer]: Split 14 memory accesses to 2 slices as follows [2, 12]. 86 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 5 writes are split as follows [0, 5]. [2024-10-31 22:19:01,611 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:01" (1/1) ... [2024-10-31 22:19:01,613 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:01" (1/1) ... [2024-10-31 22:19:01,623 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:01" (1/1) ... [2024-10-31 22:19:01,628 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:01" (1/1) ... [2024-10-31 22:19:01,630 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:01" (1/1) ... [2024-10-31 22:19:01,631 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:01" (1/1) ... [2024-10-31 22:19:01,638 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-31 22:19:01,639 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-31 22:19:01,639 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-31 22:19:01,639 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-31 22:19:01,640 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:01" (1/1) ... [2024-10-31 22:19:01,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:01,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:01,678 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:01,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-10-31 22:19:01,716 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-31 22:19:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-31 22:19:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-31 22:19:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-31 22:19:01,717 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-31 22:19:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-31 22:19:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-31 22:19:01,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-31 22:19:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-31 22:19:01,718 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-31 22:19:01,719 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-31 22:19:01,810 INFO L238 CfgBuilder]: Building ICFG [2024-10-31 22:19:01,812 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-31 22:19:02,144 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-10-31 22:19:02,145 INFO L287 CfgBuilder]: Performing block encoding [2024-10-31 22:19:02,158 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-31 22:19:02,159 INFO L316 CfgBuilder]: Removed 5 assume(true) statements. [2024-10-31 22:19:02,160 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:19:02 BoogieIcfgContainer [2024-10-31 22:19:02,160 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-31 22:19:02,163 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-10-31 22:19:02,163 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-10-31 22:19:02,167 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-10-31 22:19:02,168 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:19:02,168 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 31.10 10:19:01" (1/3) ... [2024-10-31 22:19:02,169 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73bc5ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:19:02, skipping insertion in model container [2024-10-31 22:19:02,169 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:19:02,170 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 31.10 10:19:01" (2/3) ... [2024-10-31 22:19:02,170 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@73bc5ce9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 31.10 10:19:02, skipping insertion in model container [2024-10-31 22:19:02,170 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-10-31 22:19:02,170 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 31.10 10:19:02" (3/3) ... [2024-10-31 22:19:02,173 INFO L332 chiAutomizerObserver]: Analyzing ICFG avg05-1.i [2024-10-31 22:19:02,233 INFO L300 stractBuchiCegarLoop]: Interprodecural is true [2024-10-31 22:19:02,233 INFO L301 stractBuchiCegarLoop]: Hoare is None [2024-10-31 22:19:02,233 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-10-31 22:19:02,233 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-10-31 22:19:02,234 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-10-31 22:19:02,234 INFO L305 stractBuchiCegarLoop]: Difference is false [2024-10-31 22:19:02,234 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-10-31 22:19:02,234 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-10-31 22:19:02,238 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 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) [2024-10-31 22:19:02,259 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2024-10-31 22:19:02,259 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:19:02,260 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:19:02,266 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-31 22:19:02,267 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:19:02,267 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-10-31 22:19:02,267 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 27 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 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) [2024-10-31 22:19:02,273 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 10 [2024-10-31 22:19:02,273 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:19:02,274 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:19:02,274 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2024-10-31 22:19:02,274 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:19:02,285 INFO L745 eck$LassoCheckResult]: Stem: 24#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~post4#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 14#L34-3true [2024-10-31 22:19:02,285 INFO L747 eck$LassoCheckResult]: Loop: 14#L34-3true assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 11#L34-2true main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 14#L34-3true [2024-10-31 22:19:02,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:02,295 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2024-10-31 22:19:02,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:02,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [316802415] [2024-10-31 22:19:02,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:02,312 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:02,497 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:19:02,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:02,564 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:19:02,577 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:02,577 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2024-10-31 22:19:02,577 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:02,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1312400846] [2024-10-31 22:19:02,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:02,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:02,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:02,613 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:19:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:02,631 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:19:02,633 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:02,634 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2024-10-31 22:19:02,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:02,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300027883] [2024-10-31 22:19:02,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:02,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:02,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:02,689 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:19:02,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:02,726 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:19:03,236 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:19:03,237 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:19:03,238 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:19:03,238 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:19:03,238 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:19:03,238 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:03,238 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:19:03,239 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:19:03,239 INFO L132 ssoRankerPreferences]: Filename of dumped script: avg05-1.i_Iteration1_Lasso [2024-10-31 22:19:03,239 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:19:03,240 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:19:03,263 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:03,279 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:03,283 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:03,288 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:03,311 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:03,314 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:03,319 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:03,322 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:03,327 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:03,331 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:03,335 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:03,339 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:03,342 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:03,345 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:03,348 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:03,351 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:03,356 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:03,359 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:03,851 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:19:03,857 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:19:03,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:03,859 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:03,862 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:03,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-10-31 22:19:03,867 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 [2024-10-31 22:19:03,886 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:03,887 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:03,887 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:03,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:03,888 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:03,890 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:03,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:03,894 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:03,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:03,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:03,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:03,923 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:03,924 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-10-31 22:19:03,926 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 [2024-10-31 22:19:03,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:03,941 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:03,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:03,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:03,941 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:03,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:03,942 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:03,946 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:03,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-10-31 22:19:03,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:03,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:03,969 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:03,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-10-31 22:19:03,973 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 [2024-10-31 22:19:03,988 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:03,988 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:03,989 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:03,989 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:03,989 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:03,991 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:03,991 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:03,995 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:04,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2024-10-31 22:19:04,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:04,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:04,018 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:04,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-10-31 22:19:04,024 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 [2024-10-31 22:19:04,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:04,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:04,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:04,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:04,052 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:19:04,052 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:19:04,060 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:04,081 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2024-10-31 22:19:04,082 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:04,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:04,084 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:04,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-10-31 22:19:04,087 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 [2024-10-31 22:19:04,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:04,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:04,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:04,103 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:04,107 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:19:04,107 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:19:04,114 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:04,132 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2024-10-31 22:19:04,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:04,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:04,136 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:04,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-10-31 22:19:04,139 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 [2024-10-31 22:19:04,154 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:04,154 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:04,154 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:04,154 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:04,154 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:04,155 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:04,155 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:04,160 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:04,178 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-10-31 22:19:04,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:04,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:04,181 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:04,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-10-31 22:19:04,186 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 [2024-10-31 22:19:04,201 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:04,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:04,201 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:04,201 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:04,202 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:04,202 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:04,202 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:04,206 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:04,225 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-10-31 22:19:04,225 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:04,225 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:04,228 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:04,230 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-10-31 22:19:04,232 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 [2024-10-31 22:19:04,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:04,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:04,245 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:04,245 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:04,245 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:04,245 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:04,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:04,247 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:04,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:04,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:04,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:04,264 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:04,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-10-31 22:19:04,269 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 [2024-10-31 22:19:04,285 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:04,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:04,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:04,286 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:04,286 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:04,287 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:04,287 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:04,289 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:04,309 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-10-31 22:19:04,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:04,310 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:04,312 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:04,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-10-31 22:19:04,315 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 [2024-10-31 22:19:04,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:04,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:04,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:04,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:04,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:04,332 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:04,332 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:04,335 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:04,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:04,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:04,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:04,358 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:04,359 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-10-31 22:19:04,361 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:19:04,375 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:04,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:04,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:04,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:04,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:04,377 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:04,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:04,379 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:04,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-10-31 22:19:04,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:04,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:04,405 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:04,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-10-31 22:19:04,408 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 [2024-10-31 22:19:04,420 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:04,420 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:04,420 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:04,420 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:04,420 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:04,421 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:04,421 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:04,423 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:04,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:04,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:04,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:04,448 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:04,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-10-31 22:19:04,451 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 [2024-10-31 22:19:04,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:04,463 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:04,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:04,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:04,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:04,464 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:04,465 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:04,466 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:04,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:04,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:04,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:04,489 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:04,491 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-10-31 22:19:04,492 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 [2024-10-31 22:19:04,507 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:04,507 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:04,507 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:04,507 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:04,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:04,508 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:04,508 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:04,518 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:04,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-10-31 22:19:04,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:04,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:04,545 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:04,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-10-31 22:19:04,548 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 [2024-10-31 22:19:04,564 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:04,564 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:04,564 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:04,564 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:04,564 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:04,565 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:04,565 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:04,570 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:04,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-10-31 22:19:04,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:04,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:04,601 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:04,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-10-31 22:19:04,608 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 [2024-10-31 22:19:04,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:04,626 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:04,627 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:04,627 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:04,627 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:04,628 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:04,628 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:04,632 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:04,655 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2024-10-31 22:19:04,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:04,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:04,658 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:04,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-10-31 22:19:04,661 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 [2024-10-31 22:19:04,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:04,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:04,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:04,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:04,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:04,681 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:04,681 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:04,684 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:04,707 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-10-31 22:19:04,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:04,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:04,710 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:04,713 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-10-31 22:19:04,715 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 [2024-10-31 22:19:04,732 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:04,732 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:04,733 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:04,733 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:04,733 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:04,734 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:04,734 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:04,737 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:04,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:04,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:04,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:04,762 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:04,764 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-10-31 22:19:04,765 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 [2024-10-31 22:19:04,780 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:04,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:04,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:04,781 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:04,793 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:19:04,793 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:19:04,808 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:04,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:04,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:04,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:04,834 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:04,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-10-31 22:19:04,838 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 [2024-10-31 22:19:04,852 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:04,852 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:04,852 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:04,852 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:04,856 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:19:04,856 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:19:04,863 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:04,884 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2024-10-31 22:19:04,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:04,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:04,887 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:04,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-10-31 22:19:04,890 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 [2024-10-31 22:19:04,903 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:04,904 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:04,904 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:04,904 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:04,907 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:19:04,907 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:19:04,913 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:04,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:04,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:04,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:04,937 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:04,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-10-31 22:19:04,940 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 [2024-10-31 22:19:04,961 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:04,962 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:04,962 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:04,962 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:04,969 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:19:04,969 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:19:04,983 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:19:05,024 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2024-10-31 22:19:05,025 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2024-10-31 22:19:05,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:05,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:05,042 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:05,043 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-10-31 22:19:05,044 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:19:05,062 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 22:19:05,063 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:19:05,063 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1, ULTIMATE.start_main_~i~1#1) = 9*v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_1 - 8*ULTIMATE.start_main_~i~1#1 Supporting invariants [] [2024-10-31 22:19:05,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:05,112 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2024-10-31 22:19:05,169 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-10-31 22:19:05,170 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-10-31 22:19:05,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:05,204 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:05,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:05,224 INFO L255 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:19:05,225 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:05,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:05,243 INFO L255 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:19:05,244 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:05,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:05,336 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 [2024-10-31 22:19:05,339 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 27 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 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) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:19:05,410 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 27 states, 26 states have (on average 1.4615384615384615) internal successors, (38), 26 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). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 52 states and 75 transitions. Complement of second has 6 states. [2024-10-31 22:19:05,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:19:05,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:19:05,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 37 transitions. [2024-10-31 22:19:05,420 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 37 transitions. Stem has 2 letters. Loop has 2 letters. [2024-10-31 22:19:05,421 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:19:05,421 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 37 transitions. Stem has 4 letters. Loop has 2 letters. [2024-10-31 22:19:05,421 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:19:05,421 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 37 transitions. Stem has 2 letters. Loop has 4 letters. [2024-10-31 22:19:05,422 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:19:05,423 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 52 states and 75 transitions. [2024-10-31 22:19:05,427 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2024-10-31 22:19:05,431 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 52 states to 19 states and 27 transitions. [2024-10-31 22:19:05,432 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 16 [2024-10-31 22:19:05,433 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-10-31 22:19:05,434 INFO L73 IsDeterministic]: Start isDeterministic. Operand 19 states and 27 transitions. [2024-10-31 22:19:05,434 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:19:05,434 INFO L218 hiAutomatonCegarLoop]: Abstraction has 19 states and 27 transitions. [2024-10-31 22:19:05,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states and 27 transitions. [2024-10-31 22:19:05,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2024-10-31 22:19:05,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.4210526315789473) internal successors, (27), 18 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) [2024-10-31 22:19:05,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 27 transitions. [2024-10-31 22:19:05,469 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 27 transitions. [2024-10-31 22:19:05,469 INFO L425 stractBuchiCegarLoop]: Abstraction has 19 states and 27 transitions. [2024-10-31 22:19:05,470 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-10-31 22:19:05,470 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 27 transitions. [2024-10-31 22:19:05,470 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2024-10-31 22:19:05,471 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:19:05,471 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:19:05,471 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2024-10-31 22:19:05,471 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:19:05,471 INFO L745 eck$LassoCheckResult]: Stem: 149#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 141#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~post4#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 142#L34-3 assume !(main_~i~1#1 < 5); 133#L34-4 havoc main_~i~1#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 134#L20-3 [2024-10-31 22:19:05,474 INFO L747 eck$LassoCheckResult]: Loop: 134#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 148#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 134#L20-3 [2024-10-31 22:19:05,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:05,475 INFO L85 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2024-10-31 22:19:05,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:05,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517641751] [2024-10-31 22:19:05,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:05,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:05,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:05,591 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:05,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:05,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517641751] [2024-10-31 22:19:05,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517641751] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:05,593 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:05,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:19:05,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895070571] [2024-10-31 22:19:05,594 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:05,597 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:19:05,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:05,597 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 1 times [2024-10-31 22:19:05,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:05,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [132463393] [2024-10-31 22:19:05,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:05,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:05,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:05,610 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:19:05,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:05,624 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:19:05,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:05,698 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:19:05,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:19:05,701 INFO L87 Difference]: Start difference. First operand 19 states and 27 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:19:05,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:05,719 INFO L93 Difference]: Finished difference Result 20 states and 24 transitions. [2024-10-31 22:19:05,719 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 24 transitions. [2024-10-31 22:19:05,720 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2024-10-31 22:19:05,721 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 24 transitions. [2024-10-31 22:19:05,721 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-10-31 22:19:05,721 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-10-31 22:19:05,721 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 24 transitions. [2024-10-31 22:19:05,722 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:19:05,722 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 24 transitions. [2024-10-31 22:19:05,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 24 transitions. [2024-10-31 22:19:05,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2024-10-31 22:19:05,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.2105263157894737) internal successors, (23), 18 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) [2024-10-31 22:19:05,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 23 transitions. [2024-10-31 22:19:05,724 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 23 transitions. [2024-10-31 22:19:05,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:19:05,726 INFO L425 stractBuchiCegarLoop]: Abstraction has 19 states and 23 transitions. [2024-10-31 22:19:05,726 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2024-10-31 22:19:05,726 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 23 transitions. [2024-10-31 22:19:05,727 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2024-10-31 22:19:05,727 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:19:05,727 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:19:05,727 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2024-10-31 22:19:05,727 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:19:05,727 INFO L745 eck$LassoCheckResult]: Stem: 194#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 186#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~post4#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 187#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 190#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 191#L34-3 assume !(main_~i~1#1 < 5); 178#L34-4 havoc main_~i~1#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 179#L20-3 [2024-10-31 22:19:05,728 INFO L747 eck$LassoCheckResult]: Loop: 179#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 193#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 179#L20-3 [2024-10-31 22:19:05,728 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:05,728 INFO L85 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2024-10-31 22:19:05,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:05,728 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085557646] [2024-10-31 22:19:05,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:05,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:05,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:05,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:05,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:05,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085557646] [2024-10-31 22:19:05,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085557646] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:19:05,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76209899] [2024-10-31 22:19:05,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:05,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:05,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:05,827 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:19:05,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-10-31 22:19:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:05,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:19:05,904 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:05,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:05,921 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:19:05,951 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:05,952 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76209899] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:19:05,952 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:19:05,952 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-10-31 22:19:05,952 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435581238] [2024-10-31 22:19:05,952 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:19:05,953 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:19:05,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:05,953 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 2 times [2024-10-31 22:19:05,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:05,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475128985] [2024-10-31 22:19:05,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:05,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:05,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:05,960 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:19:05,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:05,974 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:19:06,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:06,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:19:06,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:19:06,038 INFO L87 Difference]: Start difference. First operand 19 states and 23 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:19:06,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:06,100 INFO L93 Difference]: Finished difference Result 25 states and 29 transitions. [2024-10-31 22:19:06,100 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 29 transitions. [2024-10-31 22:19:06,101 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2024-10-31 22:19:06,101 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 25 states and 29 transitions. [2024-10-31 22:19:06,102 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-10-31 22:19:06,102 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-10-31 22:19:06,102 INFO L73 IsDeterministic]: Start isDeterministic. Operand 25 states and 29 transitions. [2024-10-31 22:19:06,102 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:19:06,103 INFO L218 hiAutomatonCegarLoop]: Abstraction has 25 states and 29 transitions. [2024-10-31 22:19:06,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states and 29 transitions. [2024-10-31 22:19:06,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2024-10-31 22:19:06,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 25 states have (on average 1.16) internal successors, (29), 24 states have internal predecessors, (29), 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) [2024-10-31 22:19:06,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 29 transitions. [2024-10-31 22:19:06,105 INFO L240 hiAutomatonCegarLoop]: Abstraction has 25 states and 29 transitions. [2024-10-31 22:19:06,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:19:06,111 INFO L425 stractBuchiCegarLoop]: Abstraction has 25 states and 29 transitions. [2024-10-31 22:19:06,115 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2024-10-31 22:19:06,115 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 25 states and 29 transitions. [2024-10-31 22:19:06,116 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2024-10-31 22:19:06,116 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:19:06,116 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:19:06,117 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2024-10-31 22:19:06,117 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:19:06,117 INFO L745 eck$LassoCheckResult]: Stem: 278#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 270#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~post4#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 271#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 274#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 275#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 279#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 284#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 283#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 282#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 281#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 280#L34-3 assume !(main_~i~1#1 < 5); 262#L34-4 havoc main_~i~1#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 263#L20-3 [2024-10-31 22:19:06,117 INFO L747 eck$LassoCheckResult]: Loop: 263#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 277#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 263#L20-3 [2024-10-31 22:19:06,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:06,118 INFO L85 PathProgramCache]: Analyzing trace with hash 833936659, now seen corresponding path program 2 times [2024-10-31 22:19:06,118 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:06,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638115304] [2024-10-31 22:19:06,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:06,119 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:06,398 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:06,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:06,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638115304] [2024-10-31 22:19:06,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638115304] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:19:06,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [31373694] [2024-10-31 22:19:06,399 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-31 22:19:06,400 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:06,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:06,402 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:19:06,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-10-31 22:19:06,489 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-31 22:19:06,490 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:19:06,492 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:19:06,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:06,569 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:06,569 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:19:06,648 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:06,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [31373694] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:19:06,648 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:19:06,649 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2024-10-31 22:19:06,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028325472] [2024-10-31 22:19:06,649 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:19:06,650 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:19:06,650 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:06,650 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 3 times [2024-10-31 22:19:06,650 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:06,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413083889] [2024-10-31 22:19:06,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:06,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:06,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:06,659 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:19:06,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:06,669 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:19:06,738 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:06,739 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-31 22:19:06,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:19:06,739 INFO L87 Difference]: Start difference. First operand 25 states and 29 transitions. cyclomatic complexity: 9 Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:19:06,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:06,790 INFO L93 Difference]: Finished difference Result 27 states and 31 transitions. [2024-10-31 22:19:06,790 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 31 transitions. [2024-10-31 22:19:06,793 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2024-10-31 22:19:06,793 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 27 states and 31 transitions. [2024-10-31 22:19:06,793 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2024-10-31 22:19:06,793 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2024-10-31 22:19:06,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 31 transitions. [2024-10-31 22:19:06,794 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:19:06,794 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 31 transitions. [2024-10-31 22:19:06,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 31 transitions. [2024-10-31 22:19:06,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2024-10-31 22:19:06,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.1481481481481481) internal successors, (31), 26 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) [2024-10-31 22:19:06,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 31 transitions. [2024-10-31 22:19:06,799 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 31 transitions. [2024-10-31 22:19:06,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 22:19:06,802 INFO L425 stractBuchiCegarLoop]: Abstraction has 27 states and 31 transitions. [2024-10-31 22:19:06,802 INFO L332 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2024-10-31 22:19:06,802 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 31 transitions. [2024-10-31 22:19:06,803 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2024-10-31 22:19:06,803 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:19:06,803 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:19:06,803 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1] [2024-10-31 22:19:06,803 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:19:06,804 INFO L745 eck$LassoCheckResult]: Stem: 407#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 399#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~post4#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 400#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 408#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 409#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 403#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 404#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 415#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 414#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 413#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 412#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 411#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 410#L34-3 assume !(main_~i~1#1 < 5); 391#L34-4 havoc main_~i~1#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 392#L20-3 [2024-10-31 22:19:06,804 INFO L747 eck$LassoCheckResult]: Loop: 392#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 406#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 392#L20-3 [2024-10-31 22:19:06,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:06,804 INFO L85 PathProgramCache]: Analyzing trace with hash -1745699051, now seen corresponding path program 3 times [2024-10-31 22:19:06,804 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:06,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [467241651] [2024-10-31 22:19:06,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:06,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:06,838 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:19:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:06,868 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:19:06,871 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:06,871 INFO L85 PathProgramCache]: Analyzing trace with hash 1731, now seen corresponding path program 4 times [2024-10-31 22:19:06,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:06,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578170383] [2024-10-31 22:19:06,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:06,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:06,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:06,883 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:19:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:06,888 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:19:06,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:06,890 INFO L85 PathProgramCache]: Analyzing trace with hash 1715425495, now seen corresponding path program 1 times [2024-10-31 22:19:06,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:06,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462331885] [2024-10-31 22:19:06,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:06,891 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:06,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:06,917 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:19:06,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:06,980 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:19:08,160 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:19:08,161 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:19:08,161 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:19:08,161 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:19:08,161 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:19:08,161 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:08,161 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:19:08,161 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:19:08,161 INFO L132 ssoRankerPreferences]: Filename of dumped script: avg05-1.i_Iteration5_Lasso [2024-10-31 22:19:08,161 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:19:08,162 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:19:08,168 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:08,172 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:08,176 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:08,180 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:08,183 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:08,186 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:08,190 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:08,193 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:08,196 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:08,201 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:08,208 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:08,211 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:08,215 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:08,218 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:08,236 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:08,606 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:08,608 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:08,611 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:08,614 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:08,617 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:08,621 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:08,624 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-10-31 22:19:09,066 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-10-31 22:19:09,066 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-10-31 22:19:09,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:09,067 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:09,069 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:09,070 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2024-10-31 22:19:09,072 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 [2024-10-31 22:19:09,085 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:09,086 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:09,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:09,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:09,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:09,086 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:09,087 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:09,088 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:09,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:09,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:09,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:09,102 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:09,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2024-10-31 22:19:09,104 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 [2024-10-31 22:19:09,118 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:09,118 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:09,118 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:09,118 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:09,118 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:09,119 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:09,119 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:09,120 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:09,158 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:09,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:09,159 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:09,160 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:09,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2024-10-31 22:19:09,162 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 [2024-10-31 22:19:09,174 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:09,174 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:09,174 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:09,175 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:09,175 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:09,175 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:09,175 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:09,177 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:09,206 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:09,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:09,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:09,207 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:09,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2024-10-31 22:19:09,209 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-10-31 22:19:09,220 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:09,220 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:09,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:09,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:09,221 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:09,221 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:09,221 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:09,223 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:09,238 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:09,239 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:09,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:09,240 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:09,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2024-10-31 22:19:09,241 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 [2024-10-31 22:19:09,252 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:09,252 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:09,252 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:09,253 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:09,253 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:09,253 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:09,253 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:09,255 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:09,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:09,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:09,276 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:09,278 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:09,280 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 [2024-10-31 22:19:09,283 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2024-10-31 22:19:09,294 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:09,294 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:09,294 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:09,294 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:09,294 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:09,295 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:09,295 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:09,298 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:09,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:09,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:09,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:09,312 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:09,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2024-10-31 22:19:09,314 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 [2024-10-31 22:19:09,325 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:09,325 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:09,325 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:09,325 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:09,325 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:09,325 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:09,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:09,327 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:09,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:09,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:09,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:09,340 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:09,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2024-10-31 22:19:09,341 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 [2024-10-31 22:19:09,352 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:09,352 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:09,352 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:09,353 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:09,353 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:09,353 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:09,353 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:09,357 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:09,375 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:09,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:09,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:09,377 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:09,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2024-10-31 22:19:09,379 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 [2024-10-31 22:19:09,392 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:09,392 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:09,392 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:09,392 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:09,392 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:09,396 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:09,396 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:09,401 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:09,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:09,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:09,420 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:09,421 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:09,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2024-10-31 22:19:09,424 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 [2024-10-31 22:19:09,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:09,439 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:09,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:09,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:09,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:09,441 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:09,441 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:09,444 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:09,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:09,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:09,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:09,463 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:09,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2024-10-31 22:19:09,467 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 [2024-10-31 22:19:09,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:09,482 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:09,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:09,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:09,482 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:09,487 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:09,487 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:09,492 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:09,510 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2024-10-31 22:19:09,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:09,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:09,512 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:09,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2024-10-31 22:19:09,515 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 [2024-10-31 22:19:09,529 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:09,529 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:09,529 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:09,529 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:09,530 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:09,531 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:09,531 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:09,532 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:09,552 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:09,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:09,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:09,553 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:09,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2024-10-31 22:19:09,555 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 [2024-10-31 22:19:09,566 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:09,566 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:09,566 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:09,566 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:09,566 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:09,566 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:09,567 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:09,568 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:09,587 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:09,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:09,588 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:09,590 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:09,591 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2024-10-31 22:19:09,593 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 [2024-10-31 22:19:09,607 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:09,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:09,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:09,607 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:09,610 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:19:09,610 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:19:09,614 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:09,633 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:09,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:09,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:09,636 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:09,637 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2024-10-31 22:19:09,639 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 [2024-10-31 22:19:09,653 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:09,654 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:09,654 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:09,654 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:09,656 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:19:09,657 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:19:09,661 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:09,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2024-10-31 22:19:09,679 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:09,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:09,682 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:09,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2024-10-31 22:19:09,684 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 [2024-10-31 22:19:09,699 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:09,699 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:09,699 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:09,699 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:09,701 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:19:09,701 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:19:09,706 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:09,725 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:09,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:09,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:09,727 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:09,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2024-10-31 22:19:09,732 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 [2024-10-31 22:19:09,747 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:09,747 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:09,747 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:09,747 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:09,750 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:19:09,750 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:19:09,758 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:09,776 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2024-10-31 22:19:09,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:09,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:09,780 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:09,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2024-10-31 22:19:09,783 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 [2024-10-31 22:19:09,797 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:09,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:09,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:09,797 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:09,801 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:19:09,801 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:19:09,808 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:09,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:09,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:09,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:09,831 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:09,833 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 [2024-10-31 22:19:09,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2024-10-31 22:19:09,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:09,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-10-31 22:19:09,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:09,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:09,848 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:09,848 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-10-31 22:19:09,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-10-31 22:19:09,850 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:09,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:09,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:09,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:09,872 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:09,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2024-10-31 22:19:09,876 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 [2024-10-31 22:19:09,891 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:09,891 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:09,891 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:09,891 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:09,894 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:19:09,895 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:19:09,901 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:09,919 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:09,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:09,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:09,922 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:09,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2024-10-31 22:19:09,924 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 [2024-10-31 22:19:09,938 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:09,938 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:09,939 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:09,939 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:09,941 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:19:09,941 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:19:09,945 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-10-31 22:19:09,963 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2024-10-31 22:19:09,964 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:09,964 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:09,966 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:09,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2024-10-31 22:19:09,969 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 [2024-10-31 22:19:09,983 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-10-31 22:19:09,984 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-10-31 22:19:09,984 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-10-31 22:19:09,984 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-10-31 22:19:09,995 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-10-31 22:19:09,995 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-10-31 22:19:10,008 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-10-31 22:19:10,030 INFO L443 ModelExtractionUtils]: Simplification made 10 calls to the SMT solver. [2024-10-31 22:19:10,031 INFO L444 ModelExtractionUtils]: 5 out of 19 variables were initially zero. Simplification set additionally 11 variables to zero. [2024-10-31 22:19:10,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:10,031 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:10,033 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-10-31 22:19:10,034 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2024-10-31 22:19:10,035 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-10-31 22:19:10,051 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2024-10-31 22:19:10,051 INFO L474 LassoAnalysis]: Proved termination. [2024-10-31 22:19:10,051 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_avg_~i~0#1) = -2*ULTIMATE.start_avg_~i~0#1 + 9 Supporting invariants [] [2024-10-31 22:19:10,072 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2024-10-31 22:19:10,098 INFO L156 tatePredicateManager]: 8 out of 8 supporting invariants were superfluous and have been removed [2024-10-31 22:19:10,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:10,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:10,146 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-31 22:19:10,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:10,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:10,181 INFO L255 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-31 22:19:10,181 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:10,206 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-31 22:19:10,206 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 [2024-10-31 22:19:10,207 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 27 states and 31 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:19:10,237 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 27 states and 31 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 29 states and 35 transitions. Complement of second has 5 states. [2024-10-31 22:19:10,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2024-10-31 22:19:10,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:19:10,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 8 transitions. [2024-10-31 22:19:10,239 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 14 letters. Loop has 2 letters. [2024-10-31 22:19:10,240 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:19:10,240 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 16 letters. Loop has 2 letters. [2024-10-31 22:19:10,241 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:19:10,241 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 8 transitions. Stem has 14 letters. Loop has 4 letters. [2024-10-31 22:19:10,241 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-10-31 22:19:10,241 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 29 states and 35 transitions. [2024-10-31 22:19:10,242 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2024-10-31 22:19:10,243 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 29 states to 28 states and 33 transitions. [2024-10-31 22:19:10,244 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2024-10-31 22:19:10,245 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2024-10-31 22:19:10,245 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 33 transitions. [2024-10-31 22:19:10,245 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:19:10,245 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 33 transitions. [2024-10-31 22:19:10,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 33 transitions. [2024-10-31 22:19:10,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2024-10-31 22:19:10,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.1785714285714286) internal successors, (33), 27 states have internal predecessors, (33), 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) [2024-10-31 22:19:10,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 33 transitions. [2024-10-31 22:19:10,247 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 33 transitions. [2024-10-31 22:19:10,247 INFO L425 stractBuchiCegarLoop]: Abstraction has 28 states and 33 transitions. [2024-10-31 22:19:10,247 INFO L332 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2024-10-31 22:19:10,248 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 33 transitions. [2024-10-31 22:19:10,249 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2024-10-31 22:19:10,249 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:19:10,249 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:19:10,250 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:10,250 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:19:10,251 INFO L745 eck$LassoCheckResult]: Stem: 564#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 555#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~post4#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 556#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 565#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 566#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 559#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 560#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 572#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 571#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 570#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 569#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 568#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 567#L34-3 assume !(main_~i~1#1 < 5); 547#L34-4 havoc main_~i~1#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 548#L20-3 assume !(avg_~i~0#1 < 5); 557#L20-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 5 then 1 + avg_~ret~0#1 / 5 else avg_~ret~0#1 / 5) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 5 then 1 + avg_~ret~0#1 / 5 else avg_~ret~0#1 / 5) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 5 then 1 + avg_~ret~0#1 / 5 else avg_~ret~0#1 / 5) % 4294967296 - 4294967296); 558#avg_returnLabel#1 main_#t~ret5#1 := avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;havoc avg_#in~x#1.base, avg_#in~x#1.offset;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 553#L20-8 [2024-10-31 22:19:10,251 INFO L747 eck$LassoCheckResult]: Loop: 553#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 554#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 553#L20-8 [2024-10-31 22:19:10,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:10,252 INFO L85 PathProgramCache]: Analyzing trace with hash 1638581027, now seen corresponding path program 1 times [2024-10-31 22:19:10,252 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:10,252 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351272815] [2024-10-31 22:19:10,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:10,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:10,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:10,332 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-31 22:19:10,333 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:10,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351272815] [2024-10-31 22:19:10,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351272815] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:10,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-31 22:19:10,333 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-31 22:19:10,333 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313667355] [2024-10-31 22:19:10,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:10,334 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:19:10,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:10,334 INFO L85 PathProgramCache]: Analyzing trace with hash 2243, now seen corresponding path program 1 times [2024-10-31 22:19:10,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:10,335 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409369048] [2024-10-31 22:19:10,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:10,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:10,343 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:19:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:10,348 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:19:10,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:10,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-31 22:19:10,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-31 22:19:10,411 INFO L87 Difference]: Start difference. First operand 28 states and 33 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:19:10,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:10,448 INFO L93 Difference]: Finished difference Result 33 states and 37 transitions. [2024-10-31 22:19:10,448 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 37 transitions. [2024-10-31 22:19:10,449 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2024-10-31 22:19:10,449 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 33 states and 37 transitions. [2024-10-31 22:19:10,451 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2024-10-31 22:19:10,451 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2024-10-31 22:19:10,451 INFO L73 IsDeterministic]: Start isDeterministic. Operand 33 states and 37 transitions. [2024-10-31 22:19:10,451 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:19:10,451 INFO L218 hiAutomatonCegarLoop]: Abstraction has 33 states and 37 transitions. [2024-10-31 22:19:10,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states and 37 transitions. [2024-10-31 22:19:10,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 29. [2024-10-31 22:19:10,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 29 states have (on average 1.1379310344827587) internal successors, (33), 28 states have internal predecessors, (33), 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) [2024-10-31 22:19:10,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 33 transitions. [2024-10-31 22:19:10,456 INFO L240 hiAutomatonCegarLoop]: Abstraction has 29 states and 33 transitions. [2024-10-31 22:19:10,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-31 22:19:10,459 INFO L425 stractBuchiCegarLoop]: Abstraction has 29 states and 33 transitions. [2024-10-31 22:19:10,459 INFO L332 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2024-10-31 22:19:10,459 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 29 states and 33 transitions. [2024-10-31 22:19:10,459 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2024-10-31 22:19:10,460 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:19:10,460 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:19:10,460 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:10,460 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:19:10,460 INFO L745 eck$LassoCheckResult]: Stem: 631#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 622#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~post4#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 623#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 626#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 627#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 633#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 640#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 639#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 638#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 637#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 636#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 635#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 634#L34-3 assume !(main_~i~1#1 < 5); 614#L34-4 havoc main_~i~1#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 615#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 629#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 630#L20-3 assume !(avg_~i~0#1 < 5); 624#L20-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 5 then 1 + avg_~ret~0#1 / 5 else avg_~ret~0#1 / 5) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 5 then 1 + avg_~ret~0#1 / 5 else avg_~ret~0#1 / 5) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 5 then 1 + avg_~ret~0#1 / 5 else avg_~ret~0#1 / 5) % 4294967296 - 4294967296); 625#avg_returnLabel#1 main_#t~ret5#1 := avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;havoc avg_#in~x#1.base, avg_#in~x#1.offset;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 620#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 621#L20-7 [2024-10-31 22:19:10,460 INFO L747 eck$LassoCheckResult]: Loop: 621#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 632#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 621#L20-7 [2024-10-31 22:19:10,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:10,461 INFO L85 PathProgramCache]: Analyzing trace with hash -1577614809, now seen corresponding path program 1 times [2024-10-31 22:19:10,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:10,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [608992759] [2024-10-31 22:19:10,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:10,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:10,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:10,517 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2024-10-31 22:19:10,575 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-31 22:19:10,575 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:10,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [608992759] [2024-10-31 22:19:10,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [608992759] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:19:10,576 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2091540603] [2024-10-31 22:19:10,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:10,576 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:10,576 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:10,578 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:19:10,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (50)] Waiting until timeout for monitored process [2024-10-31 22:19:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:10,663 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-31 22:19:10,664 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:10,679 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-31 22:19:10,679 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:19:10,703 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-10-31 22:19:10,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2091540603] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:19:10,704 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:19:10,704 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2024-10-31 22:19:10,704 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049807582] [2024-10-31 22:19:10,704 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:19:10,705 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:19:10,705 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:10,705 INFO L85 PathProgramCache]: Analyzing trace with hash 2303, now seen corresponding path program 2 times [2024-10-31 22:19:10,705 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:10,705 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [290166452] [2024-10-31 22:19:10,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:10,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:10,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:10,710 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:19:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:10,714 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:19:10,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:10,773 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-31 22:19:10,774 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-31 22:19:10,774 INFO L87 Difference]: Start difference. First operand 29 states and 33 transitions. cyclomatic complexity: 9 Second operand has 7 states, 7 states have (on average 2.7142857142857144) internal successors, (19), 7 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) [2024-10-31 22:19:10,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:10,872 INFO L93 Difference]: Finished difference Result 48 states and 52 transitions. [2024-10-31 22:19:10,873 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 48 states and 52 transitions. [2024-10-31 22:19:10,873 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2024-10-31 22:19:10,874 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 48 states to 48 states and 52 transitions. [2024-10-31 22:19:10,874 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 30 [2024-10-31 22:19:10,874 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 30 [2024-10-31 22:19:10,875 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 52 transitions. [2024-10-31 22:19:10,875 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:19:10,875 INFO L218 hiAutomatonCegarLoop]: Abstraction has 48 states and 52 transitions. [2024-10-31 22:19:10,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 52 transitions. [2024-10-31 22:19:10,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 41. [2024-10-31 22:19:10,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.0975609756097562) internal successors, (45), 40 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-31 22:19:10,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 45 transitions. [2024-10-31 22:19:10,878 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 45 transitions. [2024-10-31 22:19:10,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-31 22:19:10,880 INFO L425 stractBuchiCegarLoop]: Abstraction has 41 states and 45 transitions. [2024-10-31 22:19:10,880 INFO L332 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2024-10-31 22:19:10,880 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 45 transitions. [2024-10-31 22:19:10,881 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2024-10-31 22:19:10,881 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:19:10,881 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:19:10,881 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:10,882 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:19:10,882 INFO L745 eck$LassoCheckResult]: Stem: 833#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 823#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~post4#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 824#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 827#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 828#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 835#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 847#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 845#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 843#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 841#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 840#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 839#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 838#L34-3 assume !(main_~i~1#1 < 5); 815#L34-4 havoc main_~i~1#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 816#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 830#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 831#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 832#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 853#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 852#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 851#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 850#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 849#L20-3 assume !(avg_~i~0#1 < 5); 825#L20-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 5 then 1 + avg_~ret~0#1 / 5 else avg_~ret~0#1 / 5) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 5 then 1 + avg_~ret~0#1 / 5 else avg_~ret~0#1 / 5) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 5 then 1 + avg_~ret~0#1 / 5 else avg_~ret~0#1 / 5) % 4294967296 - 4294967296); 826#avg_returnLabel#1 main_#t~ret5#1 := avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;havoc avg_#in~x#1.base, avg_#in~x#1.offset;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 821#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 822#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 834#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 848#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 846#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 844#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 842#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 837#L20-7 [2024-10-31 22:19:10,882 INFO L747 eck$LassoCheckResult]: Loop: 837#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 836#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 837#L20-7 [2024-10-31 22:19:10,882 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:10,882 INFO L85 PathProgramCache]: Analyzing trace with hash 1218450663, now seen corresponding path program 1 times [2024-10-31 22:19:10,882 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:10,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384174419] [2024-10-31 22:19:10,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:10,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:10,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:11,036 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-31 22:19:11,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:11,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384174419] [2024-10-31 22:19:11,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1384174419] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:19:11,037 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [314966239] [2024-10-31 22:19:11,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:11,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:11,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:11,039 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:19:11,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (51)] Waiting until timeout for monitored process [2024-10-31 22:19:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:11,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-31 22:19:11,155 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:11,187 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-31 22:19:11,188 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-31 22:19:11,245 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-10-31 22:19:11,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [314966239] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-31 22:19:11,245 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-31 22:19:11,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2024-10-31 22:19:11,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217385441] [2024-10-31 22:19:11,246 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-31 22:19:11,246 INFO L750 eck$LassoCheckResult]: stem already infeasible [2024-10-31 22:19:11,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:11,247 INFO L85 PathProgramCache]: Analyzing trace with hash 2303, now seen corresponding path program 3 times [2024-10-31 22:19:11,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:11,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1372296931] [2024-10-31 22:19:11,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:11,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:11,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:11,252 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:19:11,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:11,255 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:19:11,320 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:11,320 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-31 22:19:11,321 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2024-10-31 22:19:11,321 INFO L87 Difference]: Start difference. First operand 41 states and 45 transitions. cyclomatic complexity: 9 Second operand has 8 states, 8 states have (on average 2.75) internal successors, (22), 8 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) [2024-10-31 22:19:11,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:11,442 INFO L93 Difference]: Finished difference Result 54 states and 58 transitions. [2024-10-31 22:19:11,442 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 58 transitions. [2024-10-31 22:19:11,443 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2024-10-31 22:19:11,446 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 54 states and 58 transitions. [2024-10-31 22:19:11,446 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 34 [2024-10-31 22:19:11,446 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 34 [2024-10-31 22:19:11,446 INFO L73 IsDeterministic]: Start isDeterministic. Operand 54 states and 58 transitions. [2024-10-31 22:19:11,447 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:19:11,447 INFO L218 hiAutomatonCegarLoop]: Abstraction has 54 states and 58 transitions. [2024-10-31 22:19:11,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states and 58 transitions. [2024-10-31 22:19:11,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 45. [2024-10-31 22:19:11,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 45 states have (on average 1.0888888888888888) internal successors, (49), 44 states have internal predecessors, (49), 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) [2024-10-31 22:19:11,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 49 transitions. [2024-10-31 22:19:11,455 INFO L240 hiAutomatonCegarLoop]: Abstraction has 45 states and 49 transitions. [2024-10-31 22:19:11,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-31 22:19:11,457 INFO L425 stractBuchiCegarLoop]: Abstraction has 45 states and 49 transitions. [2024-10-31 22:19:11,460 INFO L332 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2024-10-31 22:19:11,461 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 45 states and 49 transitions. [2024-10-31 22:19:11,461 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 6 [2024-10-31 22:19:11,461 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:19:11,462 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:19:11,462 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 4, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:11,462 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:19:11,463 INFO L745 eck$LassoCheckResult]: Stem: 1125#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 1115#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~post4#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1116#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1119#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1120#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1127#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1139#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1137#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1135#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1133#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1132#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1131#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1130#L34-3 assume !(main_~i~1#1 < 5); 1107#L34-4 havoc main_~i~1#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 1108#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1122#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1123#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1124#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1149#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1148#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1147#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1146#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1145#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1144#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1143#L20-3 assume !(avg_~i~0#1 < 5); 1117#L20-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 5 then 1 + avg_~ret~0#1 / 5 else avg_~ret~0#1 / 5) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 5 then 1 + avg_~ret~0#1 / 5 else avg_~ret~0#1 / 5) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 5 then 1 + avg_~ret~0#1 / 5 else avg_~ret~0#1 / 5) % 4294967296 - 4294967296); 1118#avg_returnLabel#1 main_#t~ret5#1 := avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;havoc avg_#in~x#1.base, avg_#in~x#1.offset;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 1113#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1114#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1126#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1142#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1141#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1140#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1138#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1136#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1134#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1129#L20-7 [2024-10-31 22:19:11,463 INFO L747 eck$LassoCheckResult]: Loop: 1129#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1128#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1129#L20-7 [2024-10-31 22:19:11,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:11,463 INFO L85 PathProgramCache]: Analyzing trace with hash -2144167641, now seen corresponding path program 2 times [2024-10-31 22:19:11,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:11,464 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1451355554] [2024-10-31 22:19:11,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:11,464 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:11,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:11,560 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:19:11,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:11,631 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:19:11,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:11,632 INFO L85 PathProgramCache]: Analyzing trace with hash 2303, now seen corresponding path program 4 times [2024-10-31 22:19:11,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:11,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661629587] [2024-10-31 22:19:11,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:11,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:11,636 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:19:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:11,640 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:19:11,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:11,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1039200421, now seen corresponding path program 3 times [2024-10-31 22:19:11,641 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:11,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253964853] [2024-10-31 22:19:11,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:11,641 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:11,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-31 22:19:11,844 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-10-31 22:19:11,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-31 22:19:11,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253964853] [2024-10-31 22:19:11,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253964853] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-31 22:19:11,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643311471] [2024-10-31 22:19:11,845 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-31 22:19:11,845 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-31 22:19:11,846 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 [2024-10-31 22:19:11,848 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-31 22:19:11,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_65c3e9d2-ecae-4cb7-babf-00fdfdc592b7/bin/uautomizer-verify-4GaUIPS5ZU/z3 -smt2 -in SMTLIB2_COMPLIANT=true (52)] Waiting until timeout for monitored process [2024-10-31 22:19:11,986 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-10-31 22:19:11,987 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-31 22:19:11,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-31 22:19:11,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-31 22:19:12,023 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-10-31 22:19:12,023 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-31 22:19:12,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1643311471] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-31 22:19:12,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-31 22:19:12,024 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2024-10-31 22:19:12,024 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [209992480] [2024-10-31 22:19:12,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-31 22:19:12,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-31 22:19:12,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-31 22:19:12,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2024-10-31 22:19:12,091 INFO L87 Difference]: Start difference. First operand 45 states and 49 transitions. cyclomatic complexity: 9 Second operand has 8 states, 7 states have (on average 3.142857142857143) internal successors, (22), 8 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) [2024-10-31 22:19:12,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-31 22:19:12,227 INFO L93 Difference]: Finished difference Result 54 states and 55 transitions. [2024-10-31 22:19:12,227 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 55 transitions. [2024-10-31 22:19:12,228 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 22:19:12,229 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 42 states and 43 transitions. [2024-10-31 22:19:12,229 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2024-10-31 22:19:12,229 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 32 [2024-10-31 22:19:12,229 INFO L73 IsDeterministic]: Start isDeterministic. Operand 42 states and 43 transitions. [2024-10-31 22:19:12,230 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-10-31 22:19:12,230 INFO L218 hiAutomatonCegarLoop]: Abstraction has 42 states and 43 transitions. [2024-10-31 22:19:12,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states and 43 transitions. [2024-10-31 22:19:12,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2024-10-31 22:19:12,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 42 states have (on average 1.0238095238095237) internal successors, (43), 41 states have internal predecessors, (43), 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) [2024-10-31 22:19:12,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 43 transitions. [2024-10-31 22:19:12,233 INFO L240 hiAutomatonCegarLoop]: Abstraction has 42 states and 43 transitions. [2024-10-31 22:19:12,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-31 22:19:12,234 INFO L425 stractBuchiCegarLoop]: Abstraction has 42 states and 43 transitions. [2024-10-31 22:19:12,234 INFO L332 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2024-10-31 22:19:12,234 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 42 states and 43 transitions. [2024-10-31 22:19:12,235 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2024-10-31 22:19:12,235 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-10-31 22:19:12,235 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-10-31 22:19:12,236 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-31 22:19:12,236 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2024-10-31 22:19:12,236 INFO L745 eck$LassoCheckResult]: Stem: 1346#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 1337#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet3#1, main_#t~post4#1, main_~i~1#1, main_#t~ret5#1, main_#t~mem6#1, main_#t~mem7#1, main_#t~ret8#1, main_#t~mem9#1, main_#t~mem10#1, main_#t~post11#1, main_~i~2#1, main_#t~ret12#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 1338#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1341#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1342#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1348#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1363#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1361#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1359#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1357#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1355#L34-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet3#1;call write~int#1(main_#t~nondet3#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet3#1; 1351#L34-2 main_#t~post4#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post4#1;havoc main_#t~post4#1; 1350#L34-3 assume !(main_~i~1#1 < 5); 1331#L34-4 havoc main_~i~1#1;assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 1332#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1345#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1343#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1344#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1370#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1369#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1368#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1367#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1366#L20-3 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1365#L20-2 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1364#L20-3 assume !(avg_~i~0#1 < 5); 1339#L20-4 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 5 then 1 + avg_~ret~0#1 / 5 else avg_~ret~0#1 / 5) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 5 then 1 + avg_~ret~0#1 / 5 else avg_~ret~0#1 / 5) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 5 then 1 + avg_~ret~0#1 / 5 else avg_~ret~0#1 / 5) % 4294967296 - 4294967296); 1340#avg_returnLabel#1 main_#t~ret5#1 := avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;havoc avg_#in~x#1.base, avg_#in~x#1.offset;assume { :end_inline_avg } true;main_~ret~1#1 := main_#t~ret5#1;havoc main_#t~ret5#1;call main_#t~mem6#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem6#1;havoc main_#t~mem6#1;call main_#t~mem7#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem7#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem7#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_avg } true;avg_#in~x#1.base, avg_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;avg_~x#1.base, avg_~x#1.offset := avg_#in~x#1.base, avg_#in~x#1.offset;havoc avg_~i~0#1;havoc avg_~ret~0#1;avg_~ret~0#1 := 0;avg_~i~0#1 := 0; 1335#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1336#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1347#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1362#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1360#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1358#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1356#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1354#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1353#L20-8 assume !!(avg_~i~0#1 < 5);call avg_#t~mem1#1 := read~int#1(avg_~x#1.base, avg_~x#1.offset + 4 * avg_~i~0#1, 4);avg_~ret~0#1 := avg_~ret~0#1 + avg_#t~mem1#1;havoc avg_#t~mem1#1; 1352#L20-7 avg_#t~post2#1 := avg_~i~0#1;avg_~i~0#1 := 1 + avg_#t~post2#1;havoc avg_#t~post2#1; 1349#L20-8 assume !(avg_~i~0#1 < 5); 1329#L20-9 avg_#res#1 := (if (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 5 then 1 + avg_~ret~0#1 / 5 else avg_~ret~0#1 / 5) % 4294967296 <= 2147483647 then (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 5 then 1 + avg_~ret~0#1 / 5 else avg_~ret~0#1 / 5) % 4294967296 else (if avg_~ret~0#1 < 0 && 0 != avg_~ret~0#1 % 5 then 1 + avg_~ret~0#1 / 5 else avg_~ret~0#1 / 5) % 4294967296 - 4294967296); 1330#avg_returnLabel#2 main_#t~ret8#1 := avg_#res#1;havoc avg_#t~mem1#1, avg_#t~post2#1, avg_~x#1.base, avg_~x#1.offset, avg_~i~0#1, avg_~ret~0#1;havoc avg_#in~x#1.base, avg_#in~x#1.offset;assume { :end_inline_avg } true;main_~ret2~0#1 := main_#t~ret8#1;havoc main_#t~ret8#1;call main_#t~mem9#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem9#1;havoc main_#t~mem9#1;main_~i~2#1 := 0; 1334#L43-3 [2024-10-31 22:19:12,237 INFO L747 eck$LassoCheckResult]: Loop: 1334#L43-3 assume !!(main_~i~2#1 < 4);call main_#t~mem10#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset + 4 * (1 + main_~i~2#1), 4);call write~int#1(main_#t~mem10#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~2#1, 4);havoc main_#t~mem10#1; 1333#L43-2 main_#t~post11#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post11#1;havoc main_#t~post11#1; 1334#L43-3 [2024-10-31 22:19:12,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:12,237 INFO L85 PathProgramCache]: Analyzing trace with hash -2055775835, now seen corresponding path program 1 times [2024-10-31 22:19:12,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:12,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [942716800] [2024-10-31 22:19:12,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:12,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:12,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:12,308 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:19:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:12,405 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:19:12,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:12,407 INFO L85 PathProgramCache]: Analyzing trace with hash 2755, now seen corresponding path program 1 times [2024-10-31 22:19:12,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:12,408 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [263248686] [2024-10-31 22:19:12,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:12,408 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:12,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:12,413 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:19:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:12,418 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:19:12,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-31 22:19:12,419 INFO L85 PathProgramCache]: Analyzing trace with hash 84380519, now seen corresponding path program 1 times [2024-10-31 22:19:12,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-31 22:19:12,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578810004] [2024-10-31 22:19:12,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-31 22:19:12,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-31 22:19:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:12,475 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-10-31 22:19:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-10-31 22:19:12,551 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-10-31 22:19:18,279 WARN L286 SmtUtils]: Spent 5.65s on a formula simplification. DAG size of input: 347 DAG size of output: 271 (called from [L 276] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-10-31 22:19:30,420 WARN L286 SmtUtils]: Spent 6.63s on a formula simplification that was a NOOP. DAG size: 404 (called from [L 299] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2024-10-31 22:19:30,440 INFO L204 LassoAnalysis]: Preferences: [2024-10-31 22:19:30,440 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-10-31 22:19:30,440 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-10-31 22:19:30,440 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-10-31 22:19:30,440 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-10-31 22:19:30,440 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-10-31 22:19:30,441 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-10-31 22:19:30,441 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-10-31 22:19:30,441 INFO L132 ssoRankerPreferences]: Filename of dumped script: avg05-1.i_Iteration10_Lasso [2024-10-31 22:19:30,441 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-10-31 22:19:30,441 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-10-31 22:19:30,452 WARN L137 XnfTransformerHelper]: expecting exponential blowup for input size 12