./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/reducercommutativity/sep05-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 527bcce2 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_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/reducercommutativity/sep05-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ac50477087b7e2b9c80860ad42d4d46d99ddf32e797cee205c21d5ff44f08ec3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 22:28:44,690 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 22:28:44,821 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/config/svcomp-Termination-32bit-Automizer_Default.epf [2023-11-21 22:28:44,830 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 22:28:44,831 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-21 22:28:44,875 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 22:28:44,876 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-21 22:28:44,877 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-21 22:28:44,878 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-21 22:28:44,883 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-21 22:28:44,884 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 22:28:44,885 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 22:28:44,886 INFO L153 SettingsManager]: * Use SBE=true [2023-11-21 22:28:44,888 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2023-11-21 22:28:44,888 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2023-11-21 22:28:44,889 INFO L153 SettingsManager]: * Use old map elimination=false [2023-11-21 22:28:44,889 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2023-11-21 22:28:44,891 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2023-11-21 22:28:44,892 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2023-11-21 22:28:44,892 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 22:28:44,893 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2023-11-21 22:28:44,893 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 22:28:44,894 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 22:28:44,894 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 22:28:44,895 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 22:28:44,895 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2023-11-21 22:28:44,896 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2023-11-21 22:28:44,896 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2023-11-21 22:28:44,897 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 22:28:44,897 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 22:28:44,898 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 22:28:44,899 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2023-11-21 22:28:44,899 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 22:28:44,899 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 22:28:44,900 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-21 22:28:44,900 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 22:28:44,900 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-21 22:28:44,901 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2023-11-21 22:28:44,901 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_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac50477087b7e2b9c80860ad42d4d46d99ddf32e797cee205c21d5ff44f08ec3 [2023-11-21 22:28:45,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 22:28:45,245 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 22:28:45,248 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 22:28:45,250 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 22:28:45,251 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 22:28:45,252 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/../../sv-benchmarks/c/reducercommutativity/sep05-1.i [2023-11-21 22:28:48,475 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 22:28:48,727 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 22:28:48,727 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/sv-benchmarks/c/reducercommutativity/sep05-1.i [2023-11-21 22:28:48,737 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/data/eff3a3454/75dffea37b08485a9e24f5e4af4faca4/FLAGc0fce2554 [2023-11-21 22:28:48,763 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/data/eff3a3454/75dffea37b08485a9e24f5e4af4faca4 [2023-11-21 22:28:48,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 22:28:48,773 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 22:28:48,777 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 22:28:48,777 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 22:28:48,783 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 22:28:48,784 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:28:48" (1/1) ... [2023-11-21 22:28:48,786 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b4ee076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:48, skipping insertion in model container [2023-11-21 22:28:48,786 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 10:28:48" (1/1) ... [2023-11-21 22:28:48,813 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 22:28:49,041 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:28:49,057 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 22:28:49,079 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 22:28:49,092 INFO L206 MainTranslator]: Completed translation [2023-11-21 22:28:49,092 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:49 WrapperNode [2023-11-21 22:28:49,092 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 22:28:49,093 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 22:28:49,094 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 22:28:49,094 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 22:28:49,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:49" (1/1) ... [2023-11-21 22:28:49,109 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:49" (1/1) ... [2023-11-21 22:28:49,136 INFO L138 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 137 [2023-11-21 22:28:49,137 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 22:28:49,137 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 22:28:49,138 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 22:28:49,138 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 22:28:49,150 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:49" (1/1) ... [2023-11-21 22:28:49,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:49" (1/1) ... [2023-11-21 22:28:49,153 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:49" (1/1) ... [2023-11-21 22:28:49,166 INFO L187 HeapSplitter]: Split 14 memory accesses to 2 slices as follows [2, 12] [2023-11-21 22:28:49,166 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:49" (1/1) ... [2023-11-21 22:28:49,166 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:49" (1/1) ... [2023-11-21 22:28:49,176 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:49" (1/1) ... [2023-11-21 22:28:49,180 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:49" (1/1) ... [2023-11-21 22:28:49,182 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:49" (1/1) ... [2023-11-21 22:28:49,183 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:49" (1/1) ... [2023-11-21 22:28:49,186 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 22:28:49,187 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 22:28:49,187 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 22:28:49,188 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 22:28:49,188 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:49" (1/1) ... [2023-11-21 22:28:49,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:49,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:49,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:49,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2023-11-21 22:28:49,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 22:28:49,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-21 22:28:49,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-21 22:28:49,262 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-21 22:28:49,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-21 22:28:49,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-21 22:28:49,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 22:28:49,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 22:28:49,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-21 22:28:49,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-21 22:28:49,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-21 22:28:49,341 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 22:28:49,343 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 22:28:49,569 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 22:28:49,578 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 22:28:49,581 INFO L308 CfgBuilder]: Removed 5 assume(true) statements. [2023-11-21 22:28:49,583 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:28:49 BoogieIcfgContainer [2023-11-21 22:28:49,583 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 22:28:49,585 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2023-11-21 22:28:49,586 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2023-11-21 22:28:49,590 INFO L274 PluginConnector]: BuchiAutomizer initialized [2023-11-21 22:28:49,591 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:28:49,592 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.11 10:28:48" (1/3) ... [2023-11-21 22:28:49,593 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@bbd2cf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:28:49, skipping insertion in model container [2023-11-21 22:28:49,594 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:28:49,595 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 10:28:49" (2/3) ... [2023-11-21 22:28:49,595 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@bbd2cf7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.11 10:28:49, skipping insertion in model container [2023-11-21 22:28:49,595 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2023-11-21 22:28:49,595 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:28:49" (3/3) ... [2023-11-21 22:28:49,597 INFO L332 chiAutomizerObserver]: Analyzing ICFG sep05-1.i [2023-11-21 22:28:49,655 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2023-11-21 22:28:49,655 INFO L304 stractBuchiCegarLoop]: Hoare is false [2023-11-21 22:28:49,655 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2023-11-21 22:28:49,655 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2023-11-21 22:28:49,656 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2023-11-21 22:28:49,656 INFO L308 stractBuchiCegarLoop]: Difference is false [2023-11-21 22:28:49,656 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2023-11-21 22:28:49,656 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2023-11-21 22:28:49,661 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 30 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 29 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:28:49,676 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 13 [2023-11-21 22:28:49,676 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:28:49,677 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:28:49,680 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-21 22:28:49,681 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 22:28:49,681 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2023-11-21 22:28:49,681 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 30 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 29 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:28:49,684 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 13 [2023-11-21 22:28:49,684 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:28:49,684 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:28:49,685 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2023-11-21 22:28:49,685 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 22:28:49,693 INFO L748 eck$LassoCheckResult]: Stem: 26#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(10, 2); 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#1, main_~#x~0#1.base, main_~#x~0#1.offset, main_~temp~0#1, main_~ret~1#1, main_~ret2~0#1, main_~ret5~0#1;call main_~#x~0#1.base, main_~#x~0#1.offset := #Ultimate.allocOnStack(20);havoc main_~temp~0#1;havoc main_~ret~1#1;havoc main_~ret2~0#1;havoc main_~ret5~0#1;main_~i~1#1 := 0; 27#L37-3true [2023-11-21 22:28:49,693 INFO L750 eck$LassoCheckResult]: Loop: 27#L37-3true assume !!(main_~i~1#1 < 5);havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 20#L37-2true main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 27#L37-3true [2023-11-21 22:28:49,704 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:49,704 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2023-11-21 22:28:49,714 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:28:49,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950552765] [2023-11-21 22:28:49,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:49,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:28:49,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:49,816 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:28:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:49,853 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:28:49,859 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:49,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1283, now seen corresponding path program 1 times [2023-11-21 22:28:49,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:28:49,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978711021] [2023-11-21 22:28:49,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:49,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:28:49,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:49,885 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:28:49,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:49,910 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:28:49,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:49,913 INFO L85 PathProgramCache]: Analyzing trace with hash 925765, now seen corresponding path program 1 times [2023-11-21 22:28:49,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:28:49,914 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1754576065] [2023-11-21 22:28:49,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:49,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:28:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:49,966 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:28:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:49,990 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:28:50,406 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:28:50,407 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:28:50,407 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:28:50,407 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:28:50,407 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:28:50,408 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:50,408 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:28:50,408 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:28:50,408 INFO L133 ssoRankerPreferences]: Filename of dumped script: sep05-1.i_Iteration1_Lasso [2023-11-21 22:28:50,408 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:28:50,408 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:28:50,427 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:50,436 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:50,439 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:50,441 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:50,459 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:50,461 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:50,464 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:50,467 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:50,470 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:50,473 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:50,476 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:50,479 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:50,482 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:50,484 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:50,487 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:50,490 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:50,493 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:50,644 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:50,907 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:28:50,917 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:28:50,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:50,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:50,925 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:50,943 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:50,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:50,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:50,957 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:50,957 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:50,957 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:50,960 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:50,961 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:50,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2023-11-21 22:28:50,985 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:51,009 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:51,009 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:51,009 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:51,011 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:51,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:51,031 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:51,032 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:51,032 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:51,032 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:51,032 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:51,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2023-11-21 22:28:51,033 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:51,033 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:51,048 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:51,067 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:51,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:51,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:51,069 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:51,077 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2023-11-21 22:28:51,078 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:51,090 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:51,090 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:51,090 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:51,090 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:51,091 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:51,092 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:51,092 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:51,120 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:51,144 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:51,145 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:51,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:51,147 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:51,158 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:51,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2023-11-21 22:28:51,172 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:51,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:51,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:51,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:51,176 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:28:51,176 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:28:51,188 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:51,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:51,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:51,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:51,214 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:51,236 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:51,249 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:51,249 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:51,249 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:51,249 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:51,255 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:28:51,255 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:28:51,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2023-11-21 22:28:51,269 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:51,292 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:51,293 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:51,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:51,294 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:51,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2023-11-21 22:28:51,301 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:51,315 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:51,315 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:51,315 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:51,315 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:51,315 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:51,316 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:51,316 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:51,336 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:51,361 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2023-11-21 22:28:51,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:51,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:51,363 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:51,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2023-11-21 22:28:51,367 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:51,379 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:51,380 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:51,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:51,380 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:51,380 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:51,381 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:51,381 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:51,392 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:51,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:51,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:51,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:51,416 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:51,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2023-11-21 22:28:51,421 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:51,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:51,431 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:51,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:51,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:51,431 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:51,432 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:51,432 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:51,448 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:51,472 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:51,472 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:51,472 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:51,474 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:51,478 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:51,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:51,490 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:51,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:51,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:51,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:51,492 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:51,492 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2023-11-21 22:28:51,492 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:51,501 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:51,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:51,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:51,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:51,529 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:51,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2023-11-21 22:28:51,534 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:51,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:51,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:51,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:51,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:51,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:51,545 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:51,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:51,549 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:51,565 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:51,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:51,573 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:51,574 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:51,576 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:51,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:51,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:51,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:51,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:51,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:51,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:51,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:51,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2023-11-21 22:28:51,604 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:51,627 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:51,627 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:51,627 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:51,628 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:51,638 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:51,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:51,650 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:51,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:51,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:51,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:51,651 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:51,651 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:51,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2023-11-21 22:28:51,660 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:51,684 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:51,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:51,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:51,689 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:51,696 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:51,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2023-11-21 22:28:51,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:51,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:51,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:51,707 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:51,707 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:51,710 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:51,710 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:51,730 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:51,753 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:51,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:51,753 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:51,755 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:51,761 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:51,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2023-11-21 22:28:51,772 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:51,772 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:51,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:51,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:51,773 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:51,773 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:51,774 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:51,785 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:51,808 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:51,808 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:51,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:51,810 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:51,818 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:51,830 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:51,830 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:51,830 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:51,830 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:51,831 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:51,831 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:51,831 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:51,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2023-11-21 22:28:51,856 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:51,879 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:51,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:51,879 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:51,880 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:51,890 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 [2023-11-21 22:28:51,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:51,903 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:51,903 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:51,903 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:51,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:51,904 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:51,904 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:51,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2023-11-21 22:28:51,916 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:51,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:51,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:51,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:51,942 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:51,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:51,958 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:51,958 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:51,958 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:51,958 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:51,958 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:51,959 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:51,959 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:51,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2023-11-21 22:28:51,968 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:51,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:51,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:51,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:51,996 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:51,998 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2023-11-21 22:28:51,998 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:52,008 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:52,008 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:52,009 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:52,009 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:52,012 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:28:52,012 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:28:52,026 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:52,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:52,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:52,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:52,050 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:52,062 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2023-11-21 22:28:52,063 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:52,076 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:52,076 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:52,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:52,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:52,081 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:28:52,081 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:28:52,093 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:52,116 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:52,116 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:52,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:52,121 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:52,124 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:52,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2023-11-21 22:28:52,136 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:52,136 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:52,137 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:52,137 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:52,140 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:28:52,140 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:28:52,152 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:52,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:52,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:52,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:52,176 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:52,180 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:52,192 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:52,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:52,193 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:52,193 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:52,197 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2023-11-21 22:28:52,199 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:28:52,200 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:28:52,220 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:28:52,251 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2023-11-21 22:28:52,251 INFO L444 ModelExtractionUtils]: 1 out of 13 variables were initially zero. Simplification set additionally 9 variables to zero. [2023-11-21 22:28:52,253 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:52,253 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:52,274 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:52,276 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:28:52,288 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2023-11-21 22:28:52,302 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-21 22:28:52,302 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:28:52,303 INFO L515 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 [] [2023-11-21 22:28:52,324 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:52,367 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2023-11-21 22:28:52,379 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#x~0!base] could not be translated [2023-11-21 22:28:52,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:52,420 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:52,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:52,468 INFO L262 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:28:52,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:28:52,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:52,489 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 22:28:52,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:28:52,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:28:52,596 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-21 22:28:52,599 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 30 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 29 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:28:52,657 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 30 states, 29 states have (on average 1.5172413793103448) internal successors, (44), 29 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 59 states and 89 transitions. Complement of second has 8 states. [2023-11-21 22:28:52,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-21 22:28:52,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:28:52,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 44 transitions. [2023-11-21 22:28:52,666 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 44 transitions. Stem has 2 letters. Loop has 2 letters. [2023-11-21 22:28:52,667 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:28:52,667 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 44 transitions. Stem has 4 letters. Loop has 2 letters. [2023-11-21 22:28:52,667 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:28:52,667 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 44 transitions. Stem has 2 letters. Loop has 4 letters. [2023-11-21 22:28:52,667 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:28:52,668 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 89 transitions. [2023-11-21 22:28:52,673 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2023-11-21 22:28:52,676 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 22 states and 33 transitions. [2023-11-21 22:28:52,677 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2023-11-21 22:28:52,678 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2023-11-21 22:28:52,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 33 transitions. [2023-11-21 22:28:52,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:28:52,679 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 33 transitions. [2023-11-21 22:28:52,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 33 transitions. [2023-11-21 22:28:52,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2023-11-21 22:28:52,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.5) internal successors, (33), 21 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) [2023-11-21 22:28:52,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 33 transitions. [2023-11-21 22:28:52,706 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 33 transitions. [2023-11-21 22:28:52,706 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 33 transitions. [2023-11-21 22:28:52,707 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2023-11-21 22:28:52,707 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 33 transitions. [2023-11-21 22:28:52,708 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2023-11-21 22:28:52,708 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:28:52,708 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:28:52,708 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2023-11-21 22:28:52,708 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-21 22:28:52,709 INFO L748 eck$LassoCheckResult]: Stem: 165#$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); 152#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#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; 153#L37-3 assume !(main_~i~1#1 < 5); 159#L37-4 havoc main_~i~1#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 160#L18-3 [2023-11-21 22:28:52,709 INFO L750 eck$LassoCheckResult]: Loop: 160#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 164#L20 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 161#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 160#L18-3 [2023-11-21 22:28:52,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:52,709 INFO L85 PathProgramCache]: Analyzing trace with hash 925707, now seen corresponding path program 1 times [2023-11-21 22:28:52,710 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:28:52,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681169081] [2023-11-21 22:28:52,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:52,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:28:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:52,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:28:52,772 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:28:52,772 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681169081] [2023-11-21 22:28:52,773 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681169081] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:28:52,773 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:28:52,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:28:52,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2984960] [2023-11-21 22:28:52,774 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:28:52,776 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-21 22:28:52,777 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:52,777 INFO L85 PathProgramCache]: Analyzing trace with hash 53723, now seen corresponding path program 1 times [2023-11-21 22:28:52,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:28:52,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1561903978] [2023-11-21 22:28:52,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:52,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:28:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:52,788 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:28:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:52,797 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:28:52,870 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:28:52,872 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:28:52,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:28:52,874 INFO L87 Difference]: Start difference. First operand 22 states and 33 transitions. cyclomatic complexity: 16 Second operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:28:52,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:28:52,894 INFO L93 Difference]: Finished difference Result 23 states and 30 transitions. [2023-11-21 22:28:52,894 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 30 transitions. [2023-11-21 22:28:52,901 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2023-11-21 22:28:52,903 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 23 states and 30 transitions. [2023-11-21 22:28:52,903 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2023-11-21 22:28:52,903 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2023-11-21 22:28:52,904 INFO L73 IsDeterministic]: Start isDeterministic. Operand 23 states and 30 transitions. [2023-11-21 22:28:52,904 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:28:52,904 INFO L218 hiAutomatonCegarLoop]: Abstraction has 23 states and 30 transitions. [2023-11-21 22:28:52,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states and 30 transitions. [2023-11-21 22:28:52,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 22. [2023-11-21 22:28:52,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 22 states have (on average 1.3181818181818181) internal successors, (29), 21 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) [2023-11-21 22:28:52,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 29 transitions. [2023-11-21 22:28:52,909 INFO L240 hiAutomatonCegarLoop]: Abstraction has 22 states and 29 transitions. [2023-11-21 22:28:52,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:28:52,910 INFO L428 stractBuchiCegarLoop]: Abstraction has 22 states and 29 transitions. [2023-11-21 22:28:52,910 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2023-11-21 22:28:52,910 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 22 states and 29 transitions. [2023-11-21 22:28:52,913 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2023-11-21 22:28:52,913 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:28:52,913 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:28:52,914 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2023-11-21 22:28:52,914 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-21 22:28:52,914 INFO L748 eck$LassoCheckResult]: Stem: 216#$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); 203#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#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; 204#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 197#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 198#L37-3 assume !(main_~i~1#1 < 5); 210#L37-4 havoc main_~i~1#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 211#L18-3 [2023-11-21 22:28:52,914 INFO L750 eck$LassoCheckResult]: Loop: 211#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 214#L20 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 212#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 211#L18-3 [2023-11-21 22:28:52,917 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:52,917 INFO L85 PathProgramCache]: Analyzing trace with hash 889660429, now seen corresponding path program 1 times [2023-11-21 22:28:52,917 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:28:52,917 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555839119] [2023-11-21 22:28:52,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:52,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:28:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:53,027 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:28:53,028 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:28:53,028 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555839119] [2023-11-21 22:28:53,028 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555839119] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:28:53,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [668169674] [2023-11-21 22:28:53,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:53,029 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:28:53,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:53,030 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:28:53,048 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2023-11-21 22:28:53,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:53,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 22:28:53,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:28:53,116 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:28:53,117 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:28:53,142 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:28:53,142 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [668169674] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:28:53,142 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 22:28:53,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-11-21 22:28:53,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1662850190] [2023-11-21 22:28:53,147 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 22:28:53,148 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-21 22:28:53,148 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:53,150 INFO L85 PathProgramCache]: Analyzing trace with hash 53723, now seen corresponding path program 2 times [2023-11-21 22:28:53,150 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:28:53,151 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058612274] [2023-11-21 22:28:53,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:53,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:28:53,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:53,165 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:28:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:53,184 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:28:53,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:28:53,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 22:28:53,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:28:53,255 INFO L87 Difference]: Start difference. First operand 22 states and 29 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 1.8571428571428572) internal successors, (13), 7 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:28:53,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:28:53,293 INFO L93 Difference]: Finished difference Result 28 states and 35 transitions. [2023-11-21 22:28:53,293 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 28 states and 35 transitions. [2023-11-21 22:28:53,295 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2023-11-21 22:28:53,297 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 28 states to 28 states and 35 transitions. [2023-11-21 22:28:53,297 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2023-11-21 22:28:53,297 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2023-11-21 22:28:53,298 INFO L73 IsDeterministic]: Start isDeterministic. Operand 28 states and 35 transitions. [2023-11-21 22:28:53,298 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:28:53,298 INFO L218 hiAutomatonCegarLoop]: Abstraction has 28 states and 35 transitions. [2023-11-21 22:28:53,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states and 35 transitions. [2023-11-21 22:28:53,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2023-11-21 22:28:53,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.25) internal successors, (35), 27 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:28:53,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2023-11-21 22:28:53,304 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 35 transitions. [2023-11-21 22:28:53,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:28:53,306 INFO L428 stractBuchiCegarLoop]: Abstraction has 28 states and 35 transitions. [2023-11-21 22:28:53,306 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2023-11-21 22:28:53,306 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 35 transitions. [2023-11-21 22:28:53,311 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2023-11-21 22:28:53,311 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:28:53,311 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:28:53,312 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [4, 4, 1, 1, 1, 1] [2023-11-21 22:28:53,313 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-21 22:28:53,313 INFO L748 eck$LassoCheckResult]: Stem: 306#$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); 293#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#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; 294#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 287#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 288#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 307#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 312#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 311#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 310#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 309#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 308#L37-3 assume !(main_~i~1#1 < 5); 300#L37-4 havoc main_~i~1#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 301#L18-3 [2023-11-21 22:28:53,313 INFO L750 eck$LassoCheckResult]: Loop: 301#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 304#L20 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 302#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 301#L18-3 [2023-11-21 22:28:53,314 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:53,314 INFO L85 PathProgramCache]: Analyzing trace with hash 833936659, now seen corresponding path program 2 times [2023-11-21 22:28:53,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:28:53,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753017543] [2023-11-21 22:28:53,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:53,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:28:53,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:53,455 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:28:53,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:28:53,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753017543] [2023-11-21 22:28:53,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753017543] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:28:53,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1885893156] [2023-11-21 22:28:53,456 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2023-11-21 22:28:53,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:28:53,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:53,457 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:28:53,459 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2023-11-21 22:28:53,531 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2023-11-21 22:28:53,531 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2023-11-21 22:28:53,532 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 22:28:53,533 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:28:53,568 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:28:53,569 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:28:53,611 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:28:53,612 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1885893156] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:28:53,612 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 22:28:53,612 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2023-11-21 22:28:53,612 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [645346915] [2023-11-21 22:28:53,612 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 22:28:53,613 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-21 22:28:53,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:53,613 INFO L85 PathProgramCache]: Analyzing trace with hash 53723, now seen corresponding path program 3 times [2023-11-21 22:28:53,613 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:28:53,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [360803127] [2023-11-21 22:28:53,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:53,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:28:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:53,620 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:28:53,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:53,626 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:28:53,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:28:53,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-21 22:28:53,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2023-11-21 22:28:53,694 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. cyclomatic complexity: 12 Second operand has 8 states, 8 states have (on average 1.875) internal successors, (15), 8 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:28:53,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:28:53,736 INFO L93 Difference]: Finished difference Result 30 states and 37 transitions. [2023-11-21 22:28:53,736 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 37 transitions. [2023-11-21 22:28:53,741 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2023-11-21 22:28:53,741 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 30 states and 37 transitions. [2023-11-21 22:28:53,742 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 20 [2023-11-21 22:28:53,742 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2023-11-21 22:28:53,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 37 transitions. [2023-11-21 22:28:53,743 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:28:53,743 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 37 transitions. [2023-11-21 22:28:53,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 37 transitions. [2023-11-21 22:28:53,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2023-11-21 22:28:53,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.2333333333333334) internal successors, (37), 29 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:28:53,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2023-11-21 22:28:53,747 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 37 transitions. [2023-11-21 22:28:53,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-21 22:28:53,749 INFO L428 stractBuchiCegarLoop]: Abstraction has 30 states and 37 transitions. [2023-11-21 22:28:53,749 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2023-11-21 22:28:53,749 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 37 transitions. [2023-11-21 22:28:53,750 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 11 [2023-11-21 22:28:53,751 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:28:53,751 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:28:53,751 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1] [2023-11-21 22:28:53,751 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-21 22:28:53,752 INFO L748 eck$LassoCheckResult]: Stem: 441#$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); 428#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#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; 429#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 442#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 443#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 422#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 423#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 449#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 448#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 447#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 446#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 445#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 444#L37-3 assume !(main_~i~1#1 < 5); 435#L37-4 havoc main_~i~1#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 436#L18-3 [2023-11-21 22:28:53,752 INFO L750 eck$LassoCheckResult]: Loop: 436#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 439#L20 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 437#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 436#L18-3 [2023-11-21 22:28:53,752 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:53,752 INFO L85 PathProgramCache]: Analyzing trace with hash -1745699051, now seen corresponding path program 3 times [2023-11-21 22:28:53,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:28:53,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287644893] [2023-11-21 22:28:53,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:53,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:28:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:53,789 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:28:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:53,815 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:28:53,816 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:53,816 INFO L85 PathProgramCache]: Analyzing trace with hash 53723, now seen corresponding path program 4 times [2023-11-21 22:28:53,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:28:53,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [954556836] [2023-11-21 22:28:53,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:53,817 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:28:53,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:53,831 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:28:53,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:53,840 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:28:53,840 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:53,841 INFO L85 PathProgramCache]: Analyzing trace with hash 1638582855, now seen corresponding path program 1 times [2023-11-21 22:28:53,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:28:53,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [327739014] [2023-11-21 22:28:53,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:53,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:28:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:53,876 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:28:53,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:53,894 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:28:54,828 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:28:54,828 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:28:54,828 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:28:54,829 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:28:54,829 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:28:54,829 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:54,829 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:28:54,829 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:28:54,829 INFO L133 ssoRankerPreferences]: Filename of dumped script: sep05-1.i_Iteration5_Lasso [2023-11-21 22:28:54,829 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:28:54,829 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:28:54,833 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:54,836 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:54,839 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:54,843 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:54,846 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:54,849 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:54,852 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:54,854 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:54,858 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:54,861 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:54,865 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:54,880 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:54,883 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:54,885 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:54,888 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:54,891 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:54,894 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:54,897 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:54,900 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:54,903 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:54,905 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:54,908 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:54,911 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:54,913 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:55,219 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:55,222 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:55,225 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:28:55,560 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:28:55,560 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:28:55,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:55,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:55,568 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:55,576 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:55,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:55,589 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:55,589 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:55,589 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:55,589 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:55,590 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:55,590 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:55,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2023-11-21 22:28:55,596 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:55,614 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:55,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:55,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:55,616 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:55,621 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:55,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2023-11-21 22:28:55,633 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:55,633 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:55,634 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:55,634 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:55,634 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:55,634 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:55,634 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:55,654 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:55,665 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2023-11-21 22:28:55,666 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:55,666 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:55,667 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:55,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2023-11-21 22:28:55,668 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:55,679 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:55,679 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:55,679 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:55,679 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:55,679 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:55,679 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:55,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:55,681 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:55,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2023-11-21 22:28:55,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:55,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:55,693 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:55,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2023-11-21 22:28:55,694 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:55,704 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:55,704 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:55,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:55,705 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:55,706 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:28:55,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:28:55,717 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:55,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:55,736 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:55,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:55,737 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:55,738 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2023-11-21 22:28:55,739 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:55,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:55,749 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:55,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:55,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:55,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:55,750 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:55,750 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:55,751 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:55,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2023-11-21 22:28:55,763 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:55,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:55,764 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:55,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2023-11-21 22:28:55,766 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:55,776 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:55,776 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:55,776 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:55,776 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:55,776 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:55,781 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:55,781 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:55,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:55,818 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2023-11-21 22:28:55,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:55,819 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:55,821 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:55,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2023-11-21 22:28:55,823 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:55,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:55,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:55,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:55,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:55,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:55,835 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:55,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:55,842 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:55,857 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:55,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:55,858 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:55,859 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:55,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2023-11-21 22:28:55,861 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:55,871 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:55,871 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:55,871 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:55,871 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:55,874 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:28:55,874 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:28:55,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:55,901 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2023-11-21 22:28:55,901 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:55,901 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:55,902 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:55,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2023-11-21 22:28:55,904 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:55,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:55,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:55,917 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:55,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:55,917 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:55,918 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:55,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:55,937 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:55,967 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2023-11-21 22:28:55,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:55,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:55,969 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:55,970 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2023-11-21 22:28:55,970 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:55,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:55,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:55,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:55,980 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:55,983 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:28:55,983 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:28:56,008 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:56,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:56,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:56,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:56,035 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:56,041 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:56,054 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:56,054 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:56,054 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:56,054 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:56,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2023-11-21 22:28:56,056 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:28:56,056 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:28:56,072 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:56,096 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:56,096 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:56,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:56,097 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:56,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2023-11-21 22:28:56,099 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:56,109 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:56,110 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:56,110 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:56,110 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:56,112 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:28:56,112 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:28:56,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:56,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2023-11-21 22:28:56,135 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:56,135 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:56,136 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:56,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2023-11-21 22:28:56,138 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:56,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:56,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:56,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:56,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:56,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:56,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:56,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:56,151 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:56,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2023-11-21 22:28:56,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:56,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:56,164 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:56,165 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2023-11-21 22:28:56,166 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:56,175 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:56,176 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:56,176 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:56,176 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:56,176 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:56,176 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:56,176 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:56,178 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:56,189 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:56,189 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:56,189 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:56,190 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:56,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2023-11-21 22:28:56,192 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:56,205 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:56,205 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:56,205 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:56,205 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:56,205 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:56,207 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:56,207 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:56,228 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:56,253 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:56,254 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:56,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:56,255 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:56,261 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:56,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:56,274 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:56,274 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:56,274 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:56,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:56,275 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:56,275 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:56,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2023-11-21 22:28:56,292 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:56,310 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2023-11-21 22:28:56,311 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:56,311 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:56,312 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:56,313 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2023-11-21 22:28:56,313 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:56,324 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:56,324 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:56,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:56,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:56,324 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:56,325 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:56,325 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:56,326 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:56,336 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:56,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:56,337 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:56,338 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:56,339 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2023-11-21 22:28:56,340 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:56,349 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:56,349 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:56,350 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:56,350 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:56,350 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:56,350 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:56,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:56,351 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:56,362 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2023-11-21 22:28:56,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:56,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:56,364 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:56,366 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2023-11-21 22:28:56,366 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:56,376 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:56,376 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:56,376 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:56,376 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:56,376 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:56,377 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:56,377 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:56,412 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:56,430 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:56,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:56,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:56,432 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:56,437 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:56,449 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:56,449 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:56,449 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:56,449 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:56,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:56,450 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:56,450 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:56,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2023-11-21 22:28:56,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:56,480 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:56,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:56,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:56,482 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:56,485 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:56,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2023-11-21 22:28:56,499 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:56,499 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:56,499 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:56,499 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:56,500 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:56,500 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:56,500 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:56,514 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:56,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:56,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:56,532 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:56,533 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:56,535 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:56,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2023-11-21 22:28:56,547 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:56,547 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:56,547 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:56,548 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:56,548 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:56,548 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:56,548 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:56,558 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:56,577 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:56,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:56,577 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:56,578 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:56,580 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:56,592 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:56,592 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:56,593 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:56,593 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:56,593 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:56,593 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:56,593 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:56,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2023-11-21 22:28:56,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:56,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2023-11-21 22:28:56,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:56,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:56,617 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:56,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2023-11-21 22:28:56,618 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:56,628 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:56,628 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:28:56,628 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:56,628 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:56,629 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:56,629 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:28:56,629 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:28:56,631 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:56,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Ended with exit code 0 [2023-11-21 22:28:56,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:56,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:56,643 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:56,644 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2023-11-21 22:28:56,645 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:56,655 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:56,655 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:56,655 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:56,655 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:56,657 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:28:56,657 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:28:56,661 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:56,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:56,674 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:56,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:56,675 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:56,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2023-11-21 22:28:56,677 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:56,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:56,687 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:56,687 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:56,687 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:56,689 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:28:56,689 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:28:56,714 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:28:56,732 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:56,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:56,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:56,733 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:56,737 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:28:56,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:28:56,749 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:28:56,749 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:28:56,749 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:28:56,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2023-11-21 22:28:56,755 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:28:56,755 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:28:56,769 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:28:56,799 INFO L443 ModelExtractionUtils]: Simplification made 15 calls to the SMT solver. [2023-11-21 22:28:56,799 INFO L444 ModelExtractionUtils]: 1 out of 16 variables were initially zero. Simplification set additionally 12 variables to zero. [2023-11-21 22:28:56,799 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:28:56,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:56,804 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:28:56,806 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:28:56,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2023-11-21 22:28:56,842 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-21 22:28:56,843 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:28:56,843 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_2, ULTIMATE.start_sep_~i~0#1) = 9*v_rep(select #length ULTIMATE.start_main_~#x~0#1.base)_2 - 8*ULTIMATE.start_sep_~i~0#1 Supporting invariants [] [2023-11-21 22:28:56,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:56,883 INFO L156 tatePredicateManager]: 7 out of 8 supporting invariants were superfluous and have been removed [2023-11-21 22:28:56,885 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: ArrayAccessExpression #length[~#x~0!base] could not be translated [2023-11-21 22:28:56,907 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:56,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 22:28:56,936 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:28:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:56,964 INFO L262 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 22:28:56,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:28:57,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:28:57,002 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-21 22:28:57,002 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 30 states and 37 transitions. cyclomatic complexity: 12 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:28:57,047 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 30 states and 37 transitions. cyclomatic complexity: 12. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 45 transitions. Complement of second has 7 states. [2023-11-21 22:28:57,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2023-11-21 22:28:57,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:28:57,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2023-11-21 22:28:57,049 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 14 letters. Loop has 3 letters. [2023-11-21 22:28:57,049 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:28:57,050 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 17 letters. Loop has 3 letters. [2023-11-21 22:28:57,050 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:28:57,050 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 14 letters. Loop has 6 letters. [2023-11-21 22:28:57,050 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:28:57,050 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 45 transitions. [2023-11-21 22:28:57,051 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2023-11-21 22:28:57,052 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 31 states and 39 transitions. [2023-11-21 22:28:57,052 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2023-11-21 22:28:57,052 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2023-11-21 22:28:57,052 INFO L73 IsDeterministic]: Start isDeterministic. Operand 31 states and 39 transitions. [2023-11-21 22:28:57,052 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:28:57,052 INFO L218 hiAutomatonCegarLoop]: Abstraction has 31 states and 39 transitions. [2023-11-21 22:28:57,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states and 39 transitions. [2023-11-21 22:28:57,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2023-11-21 22:28:57,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 30 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:28:57,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 39 transitions. [2023-11-21 22:28:57,055 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 39 transitions. [2023-11-21 22:28:57,055 INFO L428 stractBuchiCegarLoop]: Abstraction has 31 states and 39 transitions. [2023-11-21 22:28:57,056 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2023-11-21 22:28:57,056 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 39 transitions. [2023-11-21 22:28:57,056 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2023-11-21 22:28:57,056 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:28:57,057 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:28:57,057 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:28:57,057 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-21 22:28:57,058 INFO L748 eck$LassoCheckResult]: Stem: 617#$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); 603#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#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; 604#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 618#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 619#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 597#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 598#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 625#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 624#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 623#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 622#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 621#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 620#L37-3 assume !(main_~i~1#1 < 5); 610#L37-4 havoc main_~i~1#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 611#L18-3 assume !(sep_~i~0#1 < 5); 614#L18-4 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 595#sep_returnLabel#1 main_#t~ret7#1 := sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1;call main_#t~mem8#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem9#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem9#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 596#L18-8 [2023-11-21 22:28:57,058 INFO L750 eck$LassoCheckResult]: Loop: 596#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 608#L20-2 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 616#L18-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 596#L18-8 [2023-11-21 22:28:57,058 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:57,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1638581187, now seen corresponding path program 1 times [2023-11-21 22:28:57,059 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:28:57,059 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222525711] [2023-11-21 22:28:57,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:57,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:28:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:57,115 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-21 22:28:57,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:28:57,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222525711] [2023-11-21 22:28:57,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222525711] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:28:57,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-21 22:28:57,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-21 22:28:57,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266070630] [2023-11-21 22:28:57,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:28:57,116 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-21 22:28:57,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:57,116 INFO L85 PathProgramCache]: Analyzing trace with hash 74576, now seen corresponding path program 1 times [2023-11-21 22:28:57,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:28:57,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060739373] [2023-11-21 22:28:57,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:57,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:28:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:57,122 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:28:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:57,127 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:28:57,176 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2023-11-21 22:28:57,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:28:57,237 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-21 22:28:57,238 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-21 22:28:57,238 INFO L87 Difference]: Start difference. First operand 31 states and 39 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:28:57,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:28:57,270 INFO L93 Difference]: Finished difference Result 39 states and 49 transitions. [2023-11-21 22:28:57,270 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 39 states and 49 transitions. [2023-11-21 22:28:57,272 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2023-11-21 22:28:57,272 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 39 states to 39 states and 49 transitions. [2023-11-21 22:28:57,273 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 24 [2023-11-21 22:28:57,273 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 24 [2023-11-21 22:28:57,273 INFO L73 IsDeterministic]: Start isDeterministic. Operand 39 states and 49 transitions. [2023-11-21 22:28:57,274 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:28:57,274 INFO L218 hiAutomatonCegarLoop]: Abstraction has 39 states and 49 transitions. [2023-11-21 22:28:57,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states and 49 transitions. [2023-11-21 22:28:57,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 32. [2023-11-21 22:28:57,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 32 states, 32 states have (on average 1.21875) internal successors, (39), 31 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:28:57,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2023-11-21 22:28:57,279 INFO L240 hiAutomatonCegarLoop]: Abstraction has 32 states and 39 transitions. [2023-11-21 22:28:57,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-21 22:28:57,281 INFO L428 stractBuchiCegarLoop]: Abstraction has 32 states and 39 transitions. [2023-11-21 22:28:57,281 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2023-11-21 22:28:57,281 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 32 states and 39 transitions. [2023-11-21 22:28:57,281 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2023-11-21 22:28:57,282 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:28:57,282 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:28:57,282 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:28:57,282 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-21 22:28:57,283 INFO L748 eck$LassoCheckResult]: Stem: 693#$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); 679#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#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; 680#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 673#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 674#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 695#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 702#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 701#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 700#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 699#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 698#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 697#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 696#L37-3 assume !(main_~i~1#1 < 5); 686#L37-4 havoc main_~i~1#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 687#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 690#L20 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 688#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 689#L18-3 assume !(sep_~i~0#1 < 5); 691#L18-4 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 671#sep_returnLabel#1 main_#t~ret7#1 := sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1;call main_#t~mem8#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem9#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem9#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 672#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 683#L20-2 [2023-11-21 22:28:57,283 INFO L750 eck$LassoCheckResult]: Loop: 683#L20-2 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 692#L18-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 694#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 683#L20-2 [2023-11-21 22:28:57,283 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:57,283 INFO L85 PathProgramCache]: Analyzing trace with hash -1567455174, now seen corresponding path program 1 times [2023-11-21 22:28:57,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:28:57,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367945460] [2023-11-21 22:28:57,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:57,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:28:57,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:57,386 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-21 22:28:57,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:28:57,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367945460] [2023-11-21 22:28:57,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1367945460] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:28:57,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [757302689] [2023-11-21 22:28:57,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:57,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:28:57,387 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:57,388 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:28:57,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Waiting until timeout for monitored process [2023-11-21 22:28:57,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:57,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 22:28:57,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:28:57,492 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-21 22:28:57,492 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:28:57,511 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2023-11-21 22:28:57,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [757302689] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:28:57,511 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 22:28:57,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 7 [2023-11-21 22:28:57,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2081486377] [2023-11-21 22:28:57,514 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 22:28:57,514 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-21 22:28:57,515 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:57,515 INFO L85 PathProgramCache]: Analyzing trace with hash 77576, now seen corresponding path program 2 times [2023-11-21 22:28:57,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:28:57,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152684823] [2023-11-21 22:28:57,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:57,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:28:57,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:57,520 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:28:57,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:57,528 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:28:57,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:28:57,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-21 22:28:57,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2023-11-21 22:28:57,591 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. cyclomatic complexity: 12 Second operand has 7 states, 7 states have (on average 3.142857142857143) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:28:57,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:28:57,674 INFO L93 Difference]: Finished difference Result 60 states and 76 transitions. [2023-11-21 22:28:57,674 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 76 transitions. [2023-11-21 22:28:57,675 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2023-11-21 22:28:57,677 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 60 states and 76 transitions. [2023-11-21 22:28:57,678 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 38 [2023-11-21 22:28:57,678 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 38 [2023-11-21 22:28:57,678 INFO L73 IsDeterministic]: Start isDeterministic. Operand 60 states and 76 transitions. [2023-11-21 22:28:57,679 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:28:57,679 INFO L218 hiAutomatonCegarLoop]: Abstraction has 60 states and 76 transitions. [2023-11-21 22:28:57,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states and 76 transitions. [2023-11-21 22:28:57,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 50. [2023-11-21 22:28:57,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 50 states, 50 states have (on average 1.26) internal successors, (63), 49 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:28:57,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 63 transitions. [2023-11-21 22:28:57,691 INFO L240 hiAutomatonCegarLoop]: Abstraction has 50 states and 63 transitions. [2023-11-21 22:28:57,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-21 22:28:57,693 INFO L428 stractBuchiCegarLoop]: Abstraction has 50 states and 63 transitions. [2023-11-21 22:28:57,693 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2023-11-21 22:28:57,693 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 50 states and 63 transitions. [2023-11-21 22:28:57,695 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2023-11-21 22:28:57,695 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:28:57,695 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:28:57,697 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:28:57,698 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-21 22:28:57,698 INFO L748 eck$LassoCheckResult]: Stem: 918#$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); 901#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#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; 902#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 895#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 896#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 921#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 938#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 935#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 934#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 933#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 931#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 928#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 927#L37-3 assume !(main_~i~1#1 < 5); 908#L37-4 havoc main_~i~1#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 909#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 912#L20 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 922#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 913#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 914#L20 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 910#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 911#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 942#L20 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 941#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 940#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 937#L20 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 939#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 936#L18-3 assume !(sep_~i~0#1 < 5); 915#L18-4 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 893#sep_returnLabel#1 main_#t~ret7#1 := sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1;call main_#t~mem8#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem9#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem9#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 894#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 905#L20-2 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 919#L18-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 920#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 916#L20-2 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 917#L18-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 932#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 930#L20-2 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 929#L18-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 926#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 924#L20-2 [2023-11-21 22:28:57,699 INFO L750 eck$LassoCheckResult]: Loop: 924#L20-2 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 925#L18-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 923#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 924#L20-2 [2023-11-21 22:28:57,699 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:57,700 INFO L85 PathProgramCache]: Analyzing trace with hash -534676351, now seen corresponding path program 1 times [2023-11-21 22:28:57,700 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:28:57,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [949969771] [2023-11-21 22:28:57,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:57,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:28:57,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:57,901 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-21 22:28:57,901 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:28:57,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [949969771] [2023-11-21 22:28:57,901 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [949969771] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:28:57,901 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1363921318] [2023-11-21 22:28:57,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:57,902 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:28:57,902 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:57,903 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:28:57,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Waiting until timeout for monitored process [2023-11-21 22:28:58,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:58,004 INFO L262 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 22:28:58,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:28:58,032 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-21 22:28:58,033 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-21 22:28:58,075 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2023-11-21 22:28:58,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1363921318] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-21 22:28:58,076 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-21 22:28:58,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 8 [2023-11-21 22:28:58,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2079175981] [2023-11-21 22:28:58,076 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-21 22:28:58,077 INFO L753 eck$LassoCheckResult]: stem already infeasible [2023-11-21 22:28:58,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:58,077 INFO L85 PathProgramCache]: Analyzing trace with hash 77576, now seen corresponding path program 3 times [2023-11-21 22:28:58,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:28:58,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [939846628] [2023-11-21 22:28:58,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:58,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:28:58,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:58,086 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:28:58,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:58,091 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:28:58,152 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:28:58,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-21 22:28:58,153 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2023-11-21 22:28:58,153 INFO L87 Difference]: Start difference. First operand 50 states and 63 transitions. cyclomatic complexity: 18 Second operand has 8 states, 8 states have (on average 3.5) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:28:58,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:28:58,245 INFO L93 Difference]: Finished difference Result 69 states and 88 transitions. [2023-11-21 22:28:58,245 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 88 transitions. [2023-11-21 22:28:58,246 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2023-11-21 22:28:58,248 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 69 states and 88 transitions. [2023-11-21 22:28:58,248 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 44 [2023-11-21 22:28:58,248 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 44 [2023-11-21 22:28:58,248 INFO L73 IsDeterministic]: Start isDeterministic. Operand 69 states and 88 transitions. [2023-11-21 22:28:58,253 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:28:58,253 INFO L218 hiAutomatonCegarLoop]: Abstraction has 69 states and 88 transitions. [2023-11-21 22:28:58,255 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states and 88 transitions. [2023-11-21 22:28:58,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 56. [2023-11-21 22:28:58,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 56 states have (on average 1.2678571428571428) internal successors, (71), 55 states have internal predecessors, (71), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:28:58,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 71 transitions. [2023-11-21 22:28:58,260 INFO L240 hiAutomatonCegarLoop]: Abstraction has 56 states and 71 transitions. [2023-11-21 22:28:58,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-21 22:28:58,265 INFO L428 stractBuchiCegarLoop]: Abstraction has 56 states and 71 transitions. [2023-11-21 22:28:58,265 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2023-11-21 22:28:58,265 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 56 states and 71 transitions. [2023-11-21 22:28:58,267 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 8 [2023-11-21 22:28:58,267 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:28:58,267 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:28:58,270 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 5, 4, 4, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:28:58,270 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2023-11-21 22:28:58,270 INFO L748 eck$LassoCheckResult]: Stem: 1274#$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); 1259#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#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; 1260#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1253#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1254#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1276#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1293#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1291#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1289#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1287#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1285#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1282#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1281#L37-3 assume !(main_~i~1#1 < 5); 1266#L37-4 havoc main_~i~1#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 1267#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1270#L20 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1268#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1269#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1271#L20 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1306#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1305#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1304#L20 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1303#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1302#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1301#L20 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1300#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1299#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1297#L20 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1298#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1296#L18-3 assume !(sep_~i~0#1 < 5); 1272#L18-4 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 1251#sep_returnLabel#1 main_#t~ret7#1 := sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1;call main_#t~mem8#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem9#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem9#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 1252#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1263#L20-2 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1273#L18-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1275#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1295#L20-2 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1294#L18-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1292#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1290#L20-2 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1288#L18-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1286#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1284#L20-2 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1283#L18-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1280#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1278#L20-2 [2023-11-21 22:28:58,271 INFO L750 eck$LassoCheckResult]: Loop: 1278#L20-2 assume 0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2);havoc sep_#t~mem2#1;sep_#t~post3#1 := sep_~ret~0#1;sep_~ret~0#1 := 1 + sep_#t~post3#1;havoc sep_#t~post3#1; 1279#L18-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1277#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1278#L20-2 [2023-11-21 22:28:58,271 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:58,271 INFO L85 PathProgramCache]: Analyzing trace with hash 1616244090, now seen corresponding path program 2 times [2023-11-21 22:28:58,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:28:58,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886402017] [2023-11-21 22:28:58,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:58,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:28:58,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:58,394 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:28:58,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:58,528 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:28:58,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:58,529 INFO L85 PathProgramCache]: Analyzing trace with hash 77576, now seen corresponding path program 4 times [2023-11-21 22:28:58,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:28:58,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776804333] [2023-11-21 22:28:58,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:58,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:28:58,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:58,534 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:28:58,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:58,538 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:28:58,539 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:58,539 INFO L85 PathProgramCache]: Analyzing trace with hash -1350622481, now seen corresponding path program 1 times [2023-11-21 22:28:58,539 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:28:58,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743178041] [2023-11-21 22:28:58,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:58,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:28:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:58,724 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 22 proven. 13 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-21 22:28:58,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-21 22:28:58,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743178041] [2023-11-21 22:28:58,725 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743178041] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-21 22:28:58,725 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1900201799] [2023-11-21 22:28:58,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:58,725 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-21 22:28:58,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:28:58,730 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-21 22:28:58,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Waiting until timeout for monitored process [2023-11-21 22:28:58,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:28:58,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 22:28:58,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:28:58,873 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-21 22:28:58,874 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-21 22:28:58,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1900201799] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-21 22:28:58,874 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-21 22:28:58,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [7] total 8 [2023-11-21 22:28:58,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325566051] [2023-11-21 22:28:58,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-21 22:28:58,933 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-21 22:28:58,934 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-21 22:28:58,934 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2023-11-21 22:28:58,934 INFO L87 Difference]: Start difference. First operand 56 states and 71 transitions. cyclomatic complexity: 20 Second operand has 8 states, 7 states have (on average 4.0) internal successors, (28), 8 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:28:59,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-21 22:28:59,027 INFO L93 Difference]: Finished difference Result 69 states and 85 transitions. [2023-11-21 22:28:59,027 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 69 states and 85 transitions. [2023-11-21 22:28:59,028 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:28:59,028 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 69 states to 52 states and 63 transitions. [2023-11-21 22:28:59,029 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 27 [2023-11-21 22:28:59,029 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 42 [2023-11-21 22:28:59,029 INFO L73 IsDeterministic]: Start isDeterministic. Operand 52 states and 63 transitions. [2023-11-21 22:28:59,029 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:28:59,029 INFO L218 hiAutomatonCegarLoop]: Abstraction has 52 states and 63 transitions. [2023-11-21 22:28:59,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states and 63 transitions. [2023-11-21 22:28:59,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2023-11-21 22:28:59,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 52 states have (on average 1.2115384615384615) internal successors, (63), 51 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:28:59,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 63 transitions. [2023-11-21 22:28:59,032 INFO L240 hiAutomatonCegarLoop]: Abstraction has 52 states and 63 transitions. [2023-11-21 22:28:59,033 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-21 22:28:59,033 INFO L428 stractBuchiCegarLoop]: Abstraction has 52 states and 63 transitions. [2023-11-21 22:28:59,033 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2023-11-21 22:28:59,033 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 52 states and 63 transitions. [2023-11-21 22:28:59,034 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2023-11-21 22:28:59,034 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2023-11-21 22:28:59,034 INFO L119 BuchiIsEmpty]: Starting construction of run [2023-11-21 22:28:59,035 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-21 22:28:59,035 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2023-11-21 22:28:59,035 INFO L748 eck$LassoCheckResult]: Stem: 1549#$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); 1537#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet6#1, main_#t~post5#1, main_~i~1#1, main_#t~ret7#1, main_#t~mem8#1, main_#t~mem9#1, main_#t~ret10#1, main_#t~mem11#1, main_#t~mem13#1, main_#t~post12#1, main_~i~2#1, main_#t~ret14#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; 1538#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1533#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1534#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1551#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1582#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1581#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1580#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1579#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1578#L37-3 assume !!(main_~i~1#1 < 5);havoc main_#t~nondet6#1;call write~int#1(main_#t~nondet6#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~1#1, 4);havoc main_#t~nondet6#1; 1576#L37-2 main_#t~post5#1 := main_~i~1#1;main_~i~1#1 := 1 + main_#t~post5#1;havoc main_#t~post5#1; 1575#L37-3 assume !(main_~i~1#1 < 5); 1542#L37-4 havoc main_~i~1#1;assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 1543#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1571#L20 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1544#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1545#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1546#L20 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1552#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1568#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1566#L20 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1564#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1562#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1560#L20 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1558#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1556#L18-3 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1555#L20 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1554#L18-2 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1553#L18-3 assume !(sep_~i~0#1 < 5); 1547#L18-4 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 1531#sep_returnLabel#1 main_#t~ret7#1 := sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret~1#1 := main_#t~ret7#1;havoc main_#t~ret7#1;call main_#t~mem8#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem8#1;havoc main_#t~mem8#1;call main_#t~mem9#1 := read~int#1(main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);call write~int#1(main_#t~mem9#1, main_~#x~0#1.base, main_~#x~0#1.offset, 4);havoc main_#t~mem9#1;call write~int#1(main_~temp~0#1, main_~#x~0#1.base, 4 + main_~#x~0#1.offset, 4);assume { :begin_inline_sep } true;sep_#in~x#1.base, sep_#in~x#1.offset := main_~#x~0#1.base, main_~#x~0#1.offset;havoc sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;sep_~x#1.base, sep_~x#1.offset := sep_#in~x#1.base, sep_#in~x#1.offset;sep_~ret~0#1 := 0;sep_~i~0#1 := 0; 1532#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1539#L20-2 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1548#L18-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1550#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1577#L20-2 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1574#L18-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1573#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1572#L20-2 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1570#L18-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1569#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1567#L20-2 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1565#L18-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1563#L18-8 assume !!(sep_~i~0#1 < 5);call sep_#t~mem2#1 := read~int#1(sep_~x#1.base, sep_~x#1.offset + 4 * sep_~i~0#1, 4); 1561#L20-2 assume !(0 == (if sep_#t~mem2#1 < 0 && 0 != sep_#t~mem2#1 % 2 then sep_#t~mem2#1 % 2 - 2 else sep_#t~mem2#1 % 2));havoc sep_#t~mem2#1;sep_#t~post4#1 := sep_~ret~0#1;sep_~ret~0#1 := sep_#t~post4#1 - 1;havoc sep_#t~post4#1; 1559#L18-7 sep_#t~post1#1 := sep_~i~0#1;sep_~i~0#1 := 1 + sep_#t~post1#1;havoc sep_#t~post1#1; 1557#L18-8 assume !(sep_~i~0#1 < 5); 1540#L18-9 havoc sep_~i~0#1;sep_#res#1 := (if sep_~ret~0#1 % 4294967296 <= 2147483647 then sep_~ret~0#1 % 4294967296 else sep_~ret~0#1 % 4294967296 - 4294967296); 1541#sep_returnLabel#2 main_#t~ret10#1 := sep_#res#1;havoc sep_#t~mem2#1, sep_#t~post3#1, sep_#t~post4#1, sep_#t~post1#1, sep_~i~0#1, sep_~x#1.base, sep_~x#1.offset, sep_~ret~0#1;havoc sep_#in~x#1.base, sep_#in~x#1.offset;assume { :end_inline_sep } true;main_~ret2~0#1 := main_#t~ret10#1;havoc main_#t~ret10#1;call main_#t~mem11#1 := read~int#1(main_~#x~0#1.base, main_~#x~0#1.offset, 4);main_~temp~0#1 := main_#t~mem11#1;havoc main_#t~mem11#1;main_~i~2#1 := 0; 1536#L46-3 [2023-11-21 22:28:59,036 INFO L750 eck$LassoCheckResult]: Loop: 1536#L46-3 assume !!(main_~i~2#1 < 4);call main_#t~mem13#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~mem13#1, main_~#x~0#1.base, main_~#x~0#1.offset + 4 * main_~i~2#1, 4);havoc main_#t~mem13#1; 1535#L46-2 main_#t~post12#1 := main_~i~2#1;main_~i~2#1 := 1 + main_#t~post12#1;havoc main_#t~post12#1; 1536#L46-3 [2023-11-21 22:28:59,036 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:59,036 INFO L85 PathProgramCache]: Analyzing trace with hash -866233935, now seen corresponding path program 1 times [2023-11-21 22:28:59,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:28:59,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081205386] [2023-11-21 22:28:59,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:59,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:28:59,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:59,131 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:28:59,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:59,252 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:28:59,253 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:59,253 INFO L85 PathProgramCache]: Analyzing trace with hash 3075, now seen corresponding path program 1 times [2023-11-21 22:28:59,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:28:59,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397741587] [2023-11-21 22:28:59,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:59,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:28:59,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:59,261 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:28:59,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:59,265 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:28:59,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:28:59,266 INFO L85 PathProgramCache]: Analyzing trace with hash 772846003, now seen corresponding path program 1 times [2023-11-21 22:28:59,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-21 22:28:59,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306920113] [2023-11-21 22:28:59,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-21 22:28:59,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 22:28:59,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:59,410 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-21 22:28:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-21 22:28:59,547 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-21 22:29:10,426 INFO L210 LassoAnalysis]: Preferences: [2023-11-21 22:29:10,427 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2023-11-21 22:29:10,427 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2023-11-21 22:29:10,427 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2023-11-21 22:29:10,427 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2023-11-21 22:29:10,427 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:10,427 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2023-11-21 22:29:10,427 INFO L132 ssoRankerPreferences]: Path of dumped script: [2023-11-21 22:29:10,427 INFO L133 ssoRankerPreferences]: Filename of dumped script: sep05-1.i_Iteration10_Lasso [2023-11-21 22:29:10,427 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2023-11-21 22:29:10,428 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2023-11-21 22:29:10,431 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:10,433 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:10,435 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:10,437 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:10,439 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:10,442 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:10,444 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:10,447 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:10,450 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:10,452 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:10,454 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:10,456 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:10,458 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:10,460 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:10,463 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:10,465 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:10,476 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:10,478 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:10,480 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:10,487 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:10,944 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:10,947 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:10,950 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:10,952 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:10,954 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:10,957 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:10,961 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:10,965 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2023-11-21 22:29:11,487 INFO L294 LassoAnalysis]: Preprocessing complete. [2023-11-21 22:29:11,487 INFO L490 LassoAnalysis]: Using template 'affine'. [2023-11-21 22:29:11,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:11,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:11,491 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:11,497 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:29:11,509 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:11,509 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:11,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:11,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:11,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:11,510 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:11,510 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:11,512 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2023-11-21 22:29:11,527 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:11,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:11,540 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:11,540 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:11,541 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:11,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2023-11-21 22:29:11,543 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:29:11,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:11,553 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:11,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:11,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:11,553 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:11,554 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:11,554 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:11,555 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:11,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2023-11-21 22:29:11,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:11,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:11,568 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:11,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2023-11-21 22:29:11,569 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:29:11,579 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:11,579 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:11,579 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:11,579 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:11,579 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:11,579 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:11,579 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:11,581 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:11,591 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Ended with exit code 0 [2023-11-21 22:29:11,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:11,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:11,592 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:11,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2023-11-21 22:29:11,594 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:29:11,605 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:11,605 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:11,605 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:11,605 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:11,605 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:11,605 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:11,605 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:11,627 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:11,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:11,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:11,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:11,647 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:11,649 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:29:11,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2023-11-21 22:29:11,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:11,664 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:11,664 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:11,664 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:11,664 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:11,665 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:11,665 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:11,716 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:11,734 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:11,734 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:11,734 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:11,735 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:11,741 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:29:11,758 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:11,758 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:11,759 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:11,759 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:11,759 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:11,759 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:11,759 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:11,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2023-11-21 22:29:11,765 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:11,782 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:11,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:11,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:11,784 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:11,789 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:29:11,801 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:11,801 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:11,801 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:11,801 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:11,801 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:11,802 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:11,802 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:11,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2023-11-21 22:29:11,828 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:11,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:11,846 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:11,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:11,848 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:11,862 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:29:11,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2023-11-21 22:29:11,875 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:11,875 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:11,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:11,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:11,875 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:11,876 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:11,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:11,888 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:11,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:11,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:11,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:11,913 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:11,915 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:29:11,927 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:11,928 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:11,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:11,928 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:11,928 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:11,928 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:11,928 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:11,930 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2023-11-21 22:29:11,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:11,962 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:11,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:11,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:11,963 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:11,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2023-11-21 22:29:11,965 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:29:11,975 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:11,975 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:11,975 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:11,975 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:11,975 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:11,976 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:11,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:11,977 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:11,987 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2023-11-21 22:29:11,988 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:11,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:11,989 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:11,992 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2023-11-21 22:29:11,992 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:29:12,002 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:12,002 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:12,002 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:12,003 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:12,003 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:12,003 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:12,003 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:12,004 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:12,016 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Ended with exit code 0 [2023-11-21 22:29:12,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:12,016 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:12,017 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:12,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2023-11-21 22:29:12,019 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:29:12,028 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:12,028 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:12,028 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:12,028 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:12,028 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:12,029 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:12,029 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:12,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:12,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2023-11-21 22:29:12,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:12,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:12,046 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:12,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2023-11-21 22:29:12,048 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:29:12,057 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:12,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:12,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:12,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:12,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:12,058 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:12,058 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:12,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:12,074 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2023-11-21 22:29:12,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:12,074 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:12,075 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:12,076 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2023-11-21 22:29:12,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:29:12,086 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:12,086 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:12,086 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:12,086 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:12,088 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:12,088 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:12,091 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:12,110 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2023-11-21 22:29:12,110 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:12,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:12,111 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:12,112 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2023-11-21 22:29:12,112 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:29:12,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:12,122 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:12,122 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:12,122 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:12,122 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:12,123 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:12,123 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:12,124 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:12,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Ended with exit code 0 [2023-11-21 22:29:12,138 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:12,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:12,138 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:12,140 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:29:12,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2023-11-21 22:29:12,150 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:12,150 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:12,150 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:12,150 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:12,151 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:12,151 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:12,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:12,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Ended with exit code 0 [2023-11-21 22:29:12,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:12,170 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:12,171 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:12,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2023-11-21 22:29:12,173 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:29:12,182 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:12,183 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:12,183 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:12,183 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:12,184 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:12,184 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:12,201 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:12,214 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Ended with exit code 0 [2023-11-21 22:29:12,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:12,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:12,217 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:12,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2023-11-21 22:29:12,221 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:29:12,231 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:12,231 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:12,231 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:12,231 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:12,231 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:12,232 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:12,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:12,233 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:12,249 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Ended with exit code 0 [2023-11-21 22:29:12,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:12,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:12,250 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:12,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2023-11-21 22:29:12,251 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:29:12,261 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:12,261 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:12,262 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:12,262 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:12,262 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:12,262 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:12,262 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:12,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:12,274 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Ended with exit code 0 [2023-11-21 22:29:12,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:12,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:12,275 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:12,282 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:29:12,285 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2023-11-21 22:29:12,292 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:12,292 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2023-11-21 22:29:12,292 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:12,292 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:12,292 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:12,293 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2023-11-21 22:29:12,293 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2023-11-21 22:29:12,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:12,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Ended with exit code 0 [2023-11-21 22:29:12,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:12,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:12,306 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:12,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2023-11-21 22:29:12,307 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:29:12,317 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:12,317 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:12,317 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:12,317 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:12,319 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:12,319 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:12,323 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:12,334 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Ended with exit code 0 [2023-11-21 22:29:12,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:12,335 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:12,336 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:12,336 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2023-11-21 22:29:12,337 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:29:12,347 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:12,347 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:12,347 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:12,347 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:12,349 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:12,349 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:12,360 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:12,371 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Ended with exit code 0 [2023-11-21 22:29:12,371 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:12,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:12,372 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:12,373 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2023-11-21 22:29:12,375 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:29:12,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:12,385 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:12,385 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:12,385 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:12,387 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:12,387 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:12,391 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:12,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Ended with exit code 0 [2023-11-21 22:29:12,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:12,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:12,404 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:12,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2023-11-21 22:29:12,405 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:29:12,415 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:12,415 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:12,415 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:12,415 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:12,416 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:12,417 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:12,421 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:12,432 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Ended with exit code 0 [2023-11-21 22:29:12,432 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:12,432 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:12,433 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:12,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2023-11-21 22:29:12,434 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:29:12,444 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:12,444 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:12,444 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:12,445 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:12,447 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:12,447 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:12,453 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:12,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Ended with exit code 0 [2023-11-21 22:29:12,464 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:12,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:12,465 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:12,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2023-11-21 22:29:12,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:29:12,477 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:12,477 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:12,478 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:12,478 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:12,479 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:12,479 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:12,489 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2023-11-21 22:29:12,506 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2023-11-21 22:29:12,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:12,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:12,508 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:12,509 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2023-11-21 22:29:12,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2023-11-21 22:29:12,519 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2023-11-21 22:29:12,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2023-11-21 22:29:12,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2023-11-21 22:29:12,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2023-11-21 22:29:12,522 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2023-11-21 22:29:12,522 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2023-11-21 22:29:12,530 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2023-11-21 22:29:12,541 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2023-11-21 22:29:12,541 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 10 variables to zero. [2023-11-21 22:29:12,542 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2023-11-21 22:29:12,542 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 [2023-11-21 22:29:12,543 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2023-11-21 22:29:12,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2023-11-21 22:29:12,544 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2023-11-21 22:29:12,555 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2023-11-21 22:29:12,555 INFO L513 LassoAnalysis]: Proved termination. [2023-11-21 22:29:12,555 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~2#1) = -2*ULTIMATE.start_main_~i~2#1 + 7 Supporting invariants [] [2023-11-21 22:29:12,594 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Ended with exit code 0 [2023-11-21 22:29:12,604 INFO L156 tatePredicateManager]: 4 out of 4 supporting invariants were superfluous and have been removed [2023-11-21 22:29:12,616 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 22:29:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:12,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 22:29:12,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:29:12,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 22:29:12,750 INFO L262 TraceCheckSpWp]: Trace formula consists of 15 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 22:29:12,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 22:29:12,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 22:29:12,765 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2023-11-21 22:29:12,765 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 52 states and 63 transitions. cyclomatic complexity: 13 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:29:12,781 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 52 states and 63 transitions. cyclomatic complexity: 13. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 54 states and 66 transitions. Complement of second has 4 states. [2023-11-21 22:29:12,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2023-11-21 22:29:12,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-21 22:29:12,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 22 transitions. [2023-11-21 22:29:12,782 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 50 letters. Loop has 2 letters. [2023-11-21 22:29:12,783 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:29:12,783 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 52 letters. Loop has 2 letters. [2023-11-21 22:29:12,783 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:29:12,784 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 22 transitions. Stem has 50 letters. Loop has 4 letters. [2023-11-21 22:29:12,784 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2023-11-21 22:29:12,784 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 54 states and 66 transitions. [2023-11-21 22:29:12,785 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 22:29:12,785 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 54 states to 0 states and 0 transitions. [2023-11-21 22:29:12,785 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2023-11-21 22:29:12,785 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2023-11-21 22:29:12,786 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2023-11-21 22:29:12,786 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-21 22:29:12,786 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:29:12,786 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:29:12,786 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-21 22:29:12,786 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2023-11-21 22:29:12,786 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2023-11-21 22:29:12,786 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2023-11-21 22:29:12,787 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2023-11-21 22:29:12,793 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.11 10:29:12 BoogieIcfgContainer [2023-11-21 22:29:12,794 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2023-11-21 22:29:12,794 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-21 22:29:12,794 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-21 22:29:12,795 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-21 22:29:12,795 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 10:28:49" (3/4) ... [2023-11-21 22:29:12,797 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-21 22:29:12,798 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-21 22:29:12,799 INFO L158 Benchmark]: Toolchain (without parser) took 24025.77ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 129.2MB in the beginning and 60.2MB in the end (delta: 68.9MB). Peak memory consumption was 105.6MB. Max. memory is 16.1GB. [2023-11-21 22:29:12,799 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 146.8MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:29:12,799 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.86ms. Allocated memory is still 176.2MB. Free memory was 129.2MB in the beginning and 118.1MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 22:29:12,800 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.31ms. Allocated memory is still 176.2MB. Free memory was 118.1MB in the beginning and 116.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:29:12,800 INFO L158 Benchmark]: Boogie Preprocessor took 49.03ms. Allocated memory is still 176.2MB. Free memory was 116.1MB in the beginning and 114.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 22:29:12,800 INFO L158 Benchmark]: RCFGBuilder took 396.42ms. Allocated memory is still 176.2MB. Free memory was 114.0MB in the beginning and 98.8MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-21 22:29:12,801 INFO L158 Benchmark]: BuchiAutomizer took 23209.10ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 98.8MB in the beginning and 60.2MB in the end (delta: 38.6MB). Peak memory consumption was 76.2MB. Max. memory is 16.1GB. [2023-11-21 22:29:12,801 INFO L158 Benchmark]: Witness Printer took 3.91ms. Allocated memory is still 211.8MB. Free memory is still 60.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 22:29:12,803 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 146.8MB. Free memory is still 88.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.86ms. Allocated memory is still 176.2MB. Free memory was 129.2MB in the beginning and 118.1MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.31ms. Allocated memory is still 176.2MB. Free memory was 118.1MB in the beginning and 116.1MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.03ms. Allocated memory is still 176.2MB. Free memory was 116.1MB in the beginning and 114.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 396.42ms. Allocated memory is still 176.2MB. Free memory was 114.0MB in the beginning and 98.8MB in the end (delta: 15.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * BuchiAutomizer took 23209.10ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 98.8MB in the beginning and 60.2MB in the end (delta: 38.6MB). Peak memory consumption was 76.2MB. Max. memory is 16.1GB. * Witness Printer took 3.91ms. Allocated memory is still 211.8MB. Free memory is still 60.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~#x~0!base] could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: ArrayAccessExpression #length[~#x~0!base] could not be translated * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 10 terminating modules (7 trivial, 3 deterministic, 0 nondeterministic). One deterministic module has affine ranking function null and consists of 5 locations. One deterministic module has affine ranking function null and consists of 4 locations. One deterministic module has affine ranking function ((-2 * i) + 7) and consists of 3 locations. 7 modules have a trivial ranking function, the largest among these consists of 8 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 23.1s and 11 iterations. TraceHistogramMax:5. Analysis of lassos took 21.8s. Construction of modules took 0.2s. Büchi inclusion checks took 0.8s. Highest rank in rank-based complementation 3. Minimization of det autom 10. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 31 StatesRemovedByMinimization, 4 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [3, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 244 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 242 mSDsluCounter, 514 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 295 mSDsCounter, 86 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 232 IncrementalHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 86 mSolverCounterUnsat, 219 mSDtfsCounter, 232 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU6 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital195 mio100 ax100 hnf100 lsp87 ukn63 mio100 lsp36 div121 bol100 ite100 ukn100 eq153 hnf94 smp84 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 42ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2023-11-21 22:29:12,844 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:13,056 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (56)] Ended with exit code 0 [2023-11-21 22:29:13,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (55)] Ended with exit code 0 [2023-11-21 22:29:13,455 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (54)] Ended with exit code 0 [2023-11-21 22:29:13,675 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2023-11-21 22:29:13,864 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2023-11-21 22:29:14,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a09f878c-8914-4ae8-849a-9875b7cfb511/bin/uautomizer-verify-bycVGegfSx/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE