./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/c.01_assume-alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/c.01_assume-alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 252aa5e38f898b42e65698848f3b58e46a12e01218aba7e2f3e037db40adbdd2 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 17:26:43,820 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 17:26:43,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 17:26:43,841 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 17:26:43,841 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 17:26:43,842 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 17:26:43,844 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 17:26:43,845 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 17:26:43,847 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 17:26:43,848 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 17:26:43,849 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 17:26:43,850 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 17:26:43,850 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 17:26:43,851 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 17:26:43,852 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 17:26:43,853 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 17:26:43,854 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 17:26:43,855 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 17:26:43,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 17:26:43,859 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 17:26:43,860 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 17:26:43,861 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 17:26:43,862 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 17:26:43,863 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 17:26:43,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 17:26:43,867 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 17:26:43,867 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 17:26:43,868 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 17:26:43,869 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 17:26:43,870 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 17:26:43,870 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 17:26:43,871 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 17:26:43,871 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 17:26:43,872 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 17:26:43,873 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 17:26:43,873 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 17:26:43,874 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 17:26:43,874 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 17:26:43,874 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 17:26:43,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 17:26:43,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 17:26:43,876 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-12-13 17:26:43,898 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 17:26:43,899 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 17:26:43,899 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 17:26:43,899 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 17:26:43,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 17:26:43,901 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 17:26:43,901 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 17:26:43,901 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 17:26:43,901 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 17:26:43,901 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 17:26:43,902 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 17:26:43,902 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 17:26:43,902 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 17:26:43,902 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 17:26:43,902 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 17:26:43,903 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 17:26:43,903 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 17:26:43,903 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 17:26:43,903 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 17:26:43,903 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 17:26:43,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 17:26:43,904 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 17:26:43,904 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 17:26:43,904 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 17:26:43,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 17:26:43,904 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 17:26:43,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 17:26:43,905 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 17:26:43,906 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 17:26:43,906 INFO L138 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_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 252aa5e38f898b42e65698848f3b58e46a12e01218aba7e2f3e037db40adbdd2 [2022-12-13 17:26:44,081 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 17:26:44,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 17:26:44,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 17:26:44,101 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 17:26:44,101 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 17:26:44,102 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/termination-memory-alloca/c.01_assume-alloca.i [2022-12-13 17:26:46,586 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 17:26:46,782 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 17:26:46,782 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/sv-benchmarks/c/termination-memory-alloca/c.01_assume-alloca.i [2022-12-13 17:26:46,789 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/data/f2da2e90d/b3d5254cbb914d328dbbde6ea3abd012/FLAGcad37502a [2022-12-13 17:26:47,149 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/data/f2da2e90d/b3d5254cbb914d328dbbde6ea3abd012 [2022-12-13 17:26:47,151 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 17:26:47,152 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 17:26:47,153 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 17:26:47,153 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 17:26:47,156 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 17:26:47,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:26:47" (1/1) ... [2022-12-13 17:26:47,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70112f4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:26:47, skipping insertion in model container [2022-12-13 17:26:47,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 05:26:47" (1/1) ... [2022-12-13 17:26:47,164 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 17:26:47,189 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 17:26:47,360 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:26:47,369 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 17:26:47,392 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 17:26:47,420 INFO L208 MainTranslator]: Completed translation [2022-12-13 17:26:47,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:26:47 WrapperNode [2022-12-13 17:26:47,421 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 17:26:47,422 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 17:26:47,422 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 17:26:47,423 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 17:26:47,429 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:26:47" (1/1) ... [2022-12-13 17:26:47,442 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:26:47" (1/1) ... [2022-12-13 17:26:47,461 INFO L138 Inliner]: procedures = 111, calls = 25, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 75 [2022-12-13 17:26:47,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 17:26:47,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 17:26:47,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 17:26:47,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 17:26:47,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:26:47" (1/1) ... [2022-12-13 17:26:47,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:26:47" (1/1) ... [2022-12-13 17:26:47,473 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:26:47" (1/1) ... [2022-12-13 17:26:47,474 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:26:47" (1/1) ... [2022-12-13 17:26:47,478 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:26:47" (1/1) ... [2022-12-13 17:26:47,481 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:26:47" (1/1) ... [2022-12-13 17:26:47,483 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:26:47" (1/1) ... [2022-12-13 17:26:47,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:26:47" (1/1) ... [2022-12-13 17:26:47,487 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 17:26:47,488 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 17:26:47,488 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 17:26:47,488 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 17:26:47,489 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:26:47" (1/1) ... [2022-12-13 17:26:47,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:26:47,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:26:47,517 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:26:47,519 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 17:26:47,554 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-13 17:26:47,554 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-13 17:26:47,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-13 17:26:47,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-13 17:26:47,555 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 17:26:47,555 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 17:26:47,646 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 17:26:47,648 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 17:26:47,733 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 17:26:47,738 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 17:26:47,738 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 17:26:47,740 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:26:47 BoogieIcfgContainer [2022-12-13 17:26:47,740 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 17:26:47,741 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 17:26:47,741 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 17:26:47,744 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 17:26:47,744 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 17:26:47,744 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 05:26:47" (1/3) ... [2022-12-13 17:26:47,745 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1768b818 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 05:26:47, skipping insertion in model container [2022-12-13 17:26:47,745 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 17:26:47,745 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 05:26:47" (2/3) ... [2022-12-13 17:26:47,746 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1768b818 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 05:26:47, skipping insertion in model container [2022-12-13 17:26:47,746 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 17:26:47,746 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:26:47" (3/3) ... [2022-12-13 17:26:47,747 INFO L332 chiAutomizerObserver]: Analyzing ICFG c.01_assume-alloca.i [2022-12-13 17:26:47,786 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 17:26:47,786 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 17:26:47,786 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 17:26:47,786 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 17:26:47,786 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 17:26:47,786 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 17:26:47,786 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 17:26:47,787 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 17:26:47,790 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:47,805 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-12-13 17:26:47,805 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 17:26:47,805 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 17:26:47,810 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 17:26:47,810 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-12-13 17:26:47,810 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 17:26:47,811 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:47,812 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-12-13 17:26:47,812 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 17:26:47,812 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 17:26:47,812 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 17:26:47,813 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-12-13 17:26:47,820 INFO L748 eck$LassoCheckResult]: Stem: 12#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 6#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet14#1, main_#t~nondet15#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~short8#1, test_fun_#t~mem12#1, test_fun_#t~mem4#1, test_fun_#t~mem13#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 4#L553-3true [2022-12-13 17:26:47,820 INFO L750 eck$LassoCheckResult]: Loop: 4#L553-3true call test_fun_#t~mem4#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 7#L553-1true assume !!(test_fun_#t~mem4#1 >= 0);havoc test_fun_#t~mem4#1;call write~int(1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 8#L555-5true assume !true; 11#L555-6true call test_fun_#t~mem12#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem12#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 4#L553-3true [2022-12-13 17:26:47,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:26:47,827 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-12-13 17:26:47,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:26:47,836 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190405078] [2022-12-13 17:26:47,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:26:47,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:26:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:26:47,944 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:26:47,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:26:47,977 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:26:47,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:26:47,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1144712, now seen corresponding path program 1 times [2022-12-13 17:26:47,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:26:47,979 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449045183] [2022-12-13 17:26:47,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:26:47,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:26:47,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:26:48,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:26:48,015 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:26:48,015 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449045183] [2022-12-13 17:26:48,016 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449045183] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:26:48,016 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:26:48,016 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 17:26:48,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824678836] [2022-12-13 17:26:48,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:26:48,020 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 17:26:48,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:26:48,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 17:26:48,045 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 17:26:48,046 INFO L87 Difference]: Start difference. First operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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) [2022-12-13 17:26:48,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:26:48,051 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2022-12-13 17:26:48,052 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2022-12-13 17:26:48,052 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-12-13 17:26:48,055 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 9 states and 11 transitions. [2022-12-13 17:26:48,055 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-12-13 17:26:48,055 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-12-13 17:26:48,056 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2022-12-13 17:26:48,056 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:26:48,056 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2022-12-13 17:26:48,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2022-12-13 17:26:48,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-12-13 17:26:48,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:48,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2022-12-13 17:26:48,074 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2022-12-13 17:26:48,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 17:26:48,077 INFO L428 stractBuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2022-12-13 17:26:48,077 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 17:26:48,077 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2022-12-13 17:26:48,077 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 7 [2022-12-13 17:26:48,077 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 17:26:48,077 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 17:26:48,078 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 17:26:48,078 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-12-13 17:26:48,078 INFO L748 eck$LassoCheckResult]: Stem: 42#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 43#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet14#1, main_#t~nondet15#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~short8#1, test_fun_#t~mem12#1, test_fun_#t~mem4#1, test_fun_#t~mem13#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 39#L553-3 [2022-12-13 17:26:48,078 INFO L750 eck$LassoCheckResult]: Loop: 39#L553-3 call test_fun_#t~mem4#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 41#L553-1 assume !!(test_fun_#t~mem4#1 >= 0);havoc test_fun_#t~mem4#1;call write~int(1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 40#L555-5 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 > test_fun_#t~mem6#1; 44#L555-1 assume test_fun_#t~short8#1;call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem7#1 < 1073741824; 36#L555-3 assume !test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1; 37#L555-6 call test_fun_#t~mem12#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem12#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 39#L553-3 [2022-12-13 17:26:48,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:26:48,078 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2022-12-13 17:26:48,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:26:48,079 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816788659] [2022-12-13 17:26:48,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:26:48,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:26:48,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:26:48,095 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:26:48,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:26:48,106 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:26:48,107 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:26:48,107 INFO L85 PathProgramCache]: Analyzing trace with hash 1099516500, now seen corresponding path program 1 times [2022-12-13 17:26:48,107 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:26:48,107 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80339017] [2022-12-13 17:26:48,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:26:48,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:26:48,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:26:48,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:26:48,258 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:26:48,258 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80339017] [2022-12-13 17:26:48,258 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80339017] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 17:26:48,258 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 17:26:48,258 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 17:26:48,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229467267] [2022-12-13 17:26:48,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 17:26:48,259 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-12-13 17:26:48,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:26:48,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 17:26:48,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-12-13 17:26:48,260 INFO L87 Difference]: Start difference. First operand 9 states and 11 transitions. cyclomatic complexity: 3 Second operand has 5 states, 5 states have (on average 1.2) internal successors, (6), 5 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:48,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:26:48,314 INFO L93 Difference]: Finished difference Result 17 states and 21 transitions. [2022-12-13 17:26:48,314 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 17 states and 21 transitions. [2022-12-13 17:26:48,315 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 15 [2022-12-13 17:26:48,315 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 17 states to 17 states and 21 transitions. [2022-12-13 17:26:48,315 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-12-13 17:26:48,316 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 17 [2022-12-13 17:26:48,316 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 21 transitions. [2022-12-13 17:26:48,316 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:26:48,316 INFO L218 hiAutomatonCegarLoop]: Abstraction has 17 states and 21 transitions. [2022-12-13 17:26:48,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 21 transitions. [2022-12-13 17:26:48,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 12. [2022-12-13 17:26:48,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 12 states have (on average 1.25) internal successors, (15), 11 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:48,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 15 transitions. [2022-12-13 17:26:48,318 INFO L240 hiAutomatonCegarLoop]: Abstraction has 12 states and 15 transitions. [2022-12-13 17:26:48,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 17:26:48,319 INFO L428 stractBuchiCegarLoop]: Abstraction has 12 states and 15 transitions. [2022-12-13 17:26:48,319 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-12-13 17:26:48,319 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 12 states and 15 transitions. [2022-12-13 17:26:48,320 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 10 [2022-12-13 17:26:48,320 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 17:26:48,320 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 17:26:48,320 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 17:26:48,320 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1] [2022-12-13 17:26:48,320 INFO L748 eck$LassoCheckResult]: Stem: 78#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 79#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet14#1, main_#t~nondet15#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~short8#1, test_fun_#t~mem12#1, test_fun_#t~mem4#1, test_fun_#t~mem13#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 75#L553-3 [2022-12-13 17:26:48,320 INFO L750 eck$LassoCheckResult]: Loop: 75#L553-3 call test_fun_#t~mem4#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 76#L553-1 assume !!(test_fun_#t~mem4#1 >= 0);havoc test_fun_#t~mem4#1;call write~int(1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 80#L555-5 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 > test_fun_#t~mem6#1; 81#L555-1 assume !test_fun_#t~short8#1; 83#L555-3 assume !test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1; 74#L555-6 call test_fun_#t~mem12#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem12#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 75#L553-3 [2022-12-13 17:26:48,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:26:48,321 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 3 times [2022-12-13 17:26:48,321 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:26:48,322 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [511764156] [2022-12-13 17:26:48,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:26:48,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:26:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:26:48,347 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:26:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:26:48,359 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:26:48,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:26:48,360 INFO L85 PathProgramCache]: Analyzing trace with hash 1099518422, now seen corresponding path program 1 times [2022-12-13 17:26:48,360 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:26:48,360 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399828063] [2022-12-13 17:26:48,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:26:48,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:26:48,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:26:48,373 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:26:48,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:26:48,384 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:26:48,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:26:48,384 INFO L85 PathProgramCache]: Analyzing trace with hash 179567640, now seen corresponding path program 1 times [2022-12-13 17:26:48,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:26:48,385 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1210518817] [2022-12-13 17:26:48,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:26:48,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:26:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:26:48,408 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:26:48,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:26:48,424 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:26:48,854 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 17:26:48,854 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 17:26:48,855 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 17:26:48,855 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 17:26:48,855 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 17:26:48,855 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:26:48,855 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 17:26:48,855 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 17:26:48,855 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.01_assume-alloca.i_Iteration3_Lasso [2022-12-13 17:26:48,855 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 17:26:48,855 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 17:26:48,868 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:48,876 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:48,877 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:48,879 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:48,882 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:48,884 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:48,885 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:48,887 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:48,889 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:48,891 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:48,892 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:48,894 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:48,896 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:48,897 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:48,899 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:48,900 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:49,169 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:49,171 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:49,173 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:49,175 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:49,430 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 17:26:49,434 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 17:26:49,436 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:26:49,436 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:26:49,437 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:26:49,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 17:26:49,439 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:26:49,450 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:26:49,450 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 17:26:49,450 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:26:49,450 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:26:49,450 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:26:49,452 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 17:26:49,452 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 17:26:49,454 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:26:49,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 17:26:49,458 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:26:49,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:26:49,459 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:26:49,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 17:26:49,461 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:26:49,471 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:26:49,471 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 17:26:49,471 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:26:49,471 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:26:49,472 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:26:49,472 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 17:26:49,472 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 17:26:49,474 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:26:49,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-12-13 17:26:49,477 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:26:49,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:26:49,478 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:26:49,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 17:26:49,480 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:26:49,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:26:49,491 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 17:26:49,491 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:26:49,491 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:26:49,491 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:26:49,491 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 17:26:49,492 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 17:26:49,493 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:26:49,496 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 17:26:49,496 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:26:49,496 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:26:49,497 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:26:49,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 17:26:49,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:26:49,510 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:26:49,510 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:26:49,510 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:26:49,510 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:26:49,513 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 17:26:49,513 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 17:26:49,517 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:26:49,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-12-13 17:26:49,519 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:26:49,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:26:49,520 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:26:49,521 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 17:26:49,522 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:26:49,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:26:49,532 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:26:49,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:26:49,533 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:26:49,535 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 17:26:49,535 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 17:26:49,538 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:26:49,541 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-12-13 17:26:49,541 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:26:49,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:26:49,542 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:26:49,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 17:26:49,545 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:26:49,554 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:26:49,555 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 17:26:49,555 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:26:49,555 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:26:49,555 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:26:49,555 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 17:26:49,555 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 17:26:49,557 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:26:49,559 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-12-13 17:26:49,560 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:26:49,560 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:26:49,561 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:26:49,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 17:26:49,563 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:26:49,573 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:26:49,573 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 17:26:49,573 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:26:49,573 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:26:49,573 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:26:49,574 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 17:26:49,574 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 17:26:49,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:26:49,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-12-13 17:26:49,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:26:49,578 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:26:49,579 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:26:49,580 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 17:26:49,581 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:26:49,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:26:49,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:26:49,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:26:49,592 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:26:49,593 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 17:26:49,594 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 17:26:49,597 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:26:49,599 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-12-13 17:26:49,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:26:49,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:26:49,601 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:26:49,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 17:26:49,603 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:26:49,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:26:49,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 17:26:49,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:26:49,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:26:49,613 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:26:49,614 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 17:26:49,614 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 17:26:49,615 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:26:49,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-12-13 17:26:49,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:26:49,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:26:49,620 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:26:49,621 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-12-13 17:26:49,622 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:26:49,632 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:26:49,632 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 17:26:49,632 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:26:49,632 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:26:49,632 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:26:49,633 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 17:26:49,633 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 17:26:49,634 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:26:49,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2022-12-13 17:26:49,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:26:49,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:26:49,638 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:26:49,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-12-13 17:26:49,640 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:26:49,650 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:26:49,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:26:49,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:26:49,650 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:26:49,652 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 17:26:49,652 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 17:26:49,655 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:26:49,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2022-12-13 17:26:49,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:26:49,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:26:49,658 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:26:49,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-12-13 17:26:49,660 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:26:49,670 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:26:49,670 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 17:26:49,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:26:49,670 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:26:49,670 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:26:49,671 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 17:26:49,671 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 17:26:49,672 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:26:49,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-12-13 17:26:49,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:26:49,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:26:49,676 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:26:49,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-12-13 17:26:49,678 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:26:49,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:26:49,687 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 17:26:49,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:26:49,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:26:49,688 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:26:49,688 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 17:26:49,688 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 17:26:49,690 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:26:49,692 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-12-13 17:26:49,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:26:49,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:26:49,693 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:26:49,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-12-13 17:26:49,695 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:26:49,705 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:26:49,705 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:26:49,705 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:26:49,706 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:26:49,707 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 17:26:49,707 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 17:26:49,711 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:26:49,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-12-13 17:26:49,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:26:49,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:26:49,714 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:26:49,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-12-13 17:26:49,717 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:26:49,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:26:49,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 17:26:49,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:26:49,727 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:26:49,727 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:26:49,727 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 17:26:49,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 17:26:49,728 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:26:49,730 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2022-12-13 17:26:49,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:26:49,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:26:49,732 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:26:49,732 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-12-13 17:26:49,734 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:26:49,743 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:26:49,744 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:26:49,744 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:26:49,744 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:26:49,748 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 17:26:49,748 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 17:26:49,752 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:26:49,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Ended with exit code 0 [2022-12-13 17:26:49,755 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:26:49,755 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:26:49,756 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:26:49,756 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-12-13 17:26:49,758 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:26:49,767 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:26:49,768 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:26:49,768 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:26:49,768 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:26:49,770 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 17:26:49,770 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 17:26:49,775 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:26:49,777 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-12-13 17:26:49,778 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:26:49,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:26:49,778 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:26:49,779 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-12-13 17:26:49,781 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:26:49,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:26:49,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:26:49,791 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:26:49,791 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:26:49,794 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 17:26:49,794 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 17:26:49,801 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 17:26:49,815 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-12-13 17:26:49,815 INFO L444 ModelExtractionUtils]: 5 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. [2022-12-13 17:26:49,817 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:26:49,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:26:49,853 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:26:49,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-12-13 17:26:49,855 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 17:26:49,866 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-12-13 17:26:49,866 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 17:26:49,867 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1) = 2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_1 + 1 Supporting invariants [] [2022-12-13 17:26:49,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-12-13 17:26:49,901 INFO L156 tatePredicateManager]: 10 out of 11 supporting invariants were superfluous and have been removed [2022-12-13 17:26:49,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:26:49,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:26:49,949 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 12 conjunts are in the unsatisfiable core [2022-12-13 17:26:49,951 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:26:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:26:49,966 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-13 17:26:49,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:26:50,020 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 25 [2022-12-13 17:26:50,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:26:50,054 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-12-13 17:26:50,055 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 4 Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:50,114 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 12 states and 15 transitions. cyclomatic complexity: 4. Second operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 22 states and 29 transitions. Complement of second has 6 states. [2022-12-13 17:26:50,115 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 [2022-12-13 17:26:50,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:50,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2022-12-13 17:26:50,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 6 letters. [2022-12-13 17:26:50,118 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 17:26:50,118 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 8 letters. Loop has 6 letters. [2022-12-13 17:26:50,118 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 17:26:50,118 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 12 letters. [2022-12-13 17:26:50,119 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 17:26:50,119 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 29 transitions. [2022-12-13 17:26:50,120 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 17:26:50,120 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 21 states and 28 transitions. [2022-12-13 17:26:50,120 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 10 [2022-12-13 17:26:50,120 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2022-12-13 17:26:50,121 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 28 transitions. [2022-12-13 17:26:50,121 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 17:26:50,121 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 28 transitions. [2022-12-13 17:26:50,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 28 transitions. [2022-12-13 17:26:50,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 18. [2022-12-13 17:26:50,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18 states, 18 states have (on average 1.3333333333333333) internal successors, (24), 17 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:50,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 24 transitions. [2022-12-13 17:26:50,123 INFO L240 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2022-12-13 17:26:50,123 INFO L428 stractBuchiCegarLoop]: Abstraction has 18 states and 24 transitions. [2022-12-13 17:26:50,123 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-12-13 17:26:50,123 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 18 states and 24 transitions. [2022-12-13 17:26:50,123 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 17:26:50,123 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 17:26:50,124 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 17:26:50,124 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-12-13 17:26:50,124 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-12-13 17:26:50,124 INFO L748 eck$LassoCheckResult]: Stem: 213#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 214#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet14#1, main_#t~nondet15#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~short8#1, test_fun_#t~mem12#1, test_fun_#t~mem4#1, test_fun_#t~mem13#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 210#L553-3 call test_fun_#t~mem4#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 212#L553-1 assume !!(test_fun_#t~mem4#1 >= 0);havoc test_fun_#t~mem4#1;call write~int(1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 208#L555-5 [2022-12-13 17:26:50,130 INFO L750 eck$LassoCheckResult]: Loop: 208#L555-5 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 > test_fun_#t~mem6#1; 215#L555-1 assume test_fun_#t~short8#1;call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem7#1 < 1073741824; 202#L555-3 assume !!test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1;call test_fun_#t~mem9#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 203#L556 assume !(test_fun_#t~mem9#1 <= 0);havoc test_fun_#t~mem9#1;call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(2 * test_fun_#t~mem11#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1; 208#L555-5 [2022-12-13 17:26:50,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:26:50,131 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2022-12-13 17:26:50,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:26:50,132 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577790081] [2022-12-13 17:26:50,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:26:50,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:26:50,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2022-12-13 17:26:50,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:26:50,143 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:26:50,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:26:50,150 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:26:50,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:26:50,151 INFO L85 PathProgramCache]: Analyzing trace with hash 1450089, now seen corresponding path program 1 times [2022-12-13 17:26:50,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:26:50,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536929790] [2022-12-13 17:26:50,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:26:50,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:26:50,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:26:50,156 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:26:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:26:50,161 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:26:50,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:26:50,161 INFO L85 PathProgramCache]: Analyzing trace with hash 179565776, now seen corresponding path program 1 times [2022-12-13 17:26:50,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:26:50,161 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [37721071] [2022-12-13 17:26:50,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:26:50,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:26:50,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:26:50,177 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:26:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:26:50,190 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:26:50,598 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 17:26:50,598 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 17:26:50,598 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 17:26:50,598 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 17:26:50,598 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 17:26:50,598 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:26:50,598 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 17:26:50,598 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 17:26:50,598 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.01_assume-alloca.i_Iteration4_Lasso [2022-12-13 17:26:50,598 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 17:26:50,599 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 17:26:50,602 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:50,604 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:50,605 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:50,841 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:50,842 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:50,843 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:50,846 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:50,847 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:50,849 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:50,850 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:50,852 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:50,853 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:50,854 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:50,855 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:50,856 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:50,858 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:50,859 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:50,860 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:50,862 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:50,863 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:50,864 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:26:51,037 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 17:26:51,037 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 17:26:51,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:26:51,037 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:26:51,038 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:26:51,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-12-13 17:26:51,040 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:26:51,050 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:26:51,050 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 17:26:51,050 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:26:51,050 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:26:51,050 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:26:51,051 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 17:26:51,051 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 17:26:51,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:26:51,055 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-12-13 17:26:51,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:26:51,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:26:51,056 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:26:51,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-12-13 17:26:51,058 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:26:51,067 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:26:51,068 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 17:26:51,068 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:26:51,068 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:26:51,068 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:26:51,068 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 17:26:51,068 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 17:26:51,069 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:26:51,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-12-13 17:26:51,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:26:51,072 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:26:51,073 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:26:51,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-12-13 17:26:51,075 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:26:51,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:26:51,085 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:26:51,085 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:26:51,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:26:51,087 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 17:26:51,087 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 17:26:51,092 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:26:51,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-12-13 17:26:51,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:26:51,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:26:51,096 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:26:51,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-12-13 17:26:51,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:26:51,108 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:26:51,108 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:26:51,108 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:26:51,108 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:26:51,112 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 17:26:51,113 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 17:26:51,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:26:51,125 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-12-13 17:26:51,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:26:51,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:26:51,126 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:26:51,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-12-13 17:26:51,128 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:26:51,138 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:26:51,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:26:51,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:26:51,138 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:26:51,140 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 17:26:51,140 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 17:26:51,145 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:26:51,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-12-13 17:26:51,147 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:26:51,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:26:51,148 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:26:51,149 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-12-13 17:26:51,150 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:26:51,160 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:26:51,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:26:51,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:26:51,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:26:51,164 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 17:26:51,164 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 17:26:51,175 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 17:26:51,186 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-12-13 17:26:51,186 INFO L444 ModelExtractionUtils]: 6 out of 19 variables were initially zero. Simplification set additionally 10 variables to zero. [2022-12-13 17:26:51,186 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:26:51,186 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:26:51,187 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:26:51,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-12-13 17:26:51,189 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 17:26:51,199 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-12-13 17:26:51,200 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 17:26:51,200 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_2) = -2*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_2 + 2147483647 Supporting invariants [] [2022-12-13 17:26:51,202 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Ended with exit code 0 [2022-12-13 17:26:51,231 INFO L156 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2022-12-13 17:26:51,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:26:51,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:26:51,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 17:26:51,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:26:51,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:26:51,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 10 conjunts are in the unsatisfiable core [2022-12-13 17:26:51,272 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:26:51,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:26:51,323 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-12-13 17:26:51,323 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 8 Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:51,356 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 18 states and 24 transitions. cyclomatic complexity: 8. Second operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 42 states and 57 transitions. Complement of second has 9 states. [2022-12-13 17:26:51,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-12-13 17:26:51,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.6) internal successors, (8), 5 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:26:51,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 10 transitions. [2022-12-13 17:26:51,358 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 4 letters. Loop has 4 letters. [2022-12-13 17:26:51,358 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 17:26:51,358 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 8 letters. Loop has 4 letters. [2022-12-13 17:26:51,358 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 17:26:51,358 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 10 transitions. Stem has 4 letters. Loop has 8 letters. [2022-12-13 17:26:51,358 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 17:26:51,358 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 57 transitions. [2022-12-13 17:26:51,360 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 17:26:51,360 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 30 states and 40 transitions. [2022-12-13 17:26:51,360 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-12-13 17:26:51,360 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2022-12-13 17:26:51,361 INFO L73 IsDeterministic]: Start isDeterministic. Operand 30 states and 40 transitions. [2022-12-13 17:26:51,361 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 17:26:51,361 INFO L218 hiAutomatonCegarLoop]: Abstraction has 30 states and 40 transitions. [2022-12-13 17:26:51,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states and 40 transitions. [2022-12-13 17:26:51,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 27. [2022-12-13 17:26:51,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27 states, 27 states have (on average 1.3333333333333333) internal successors, (36), 26 states have internal predecessors, (36), 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) [2022-12-13 17:26:51,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 36 transitions. [2022-12-13 17:26:51,363 INFO L240 hiAutomatonCegarLoop]: Abstraction has 27 states and 36 transitions. [2022-12-13 17:26:51,363 INFO L428 stractBuchiCegarLoop]: Abstraction has 27 states and 36 transitions. [2022-12-13 17:26:51,363 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-12-13 17:26:51,363 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 27 states and 36 transitions. [2022-12-13 17:26:51,364 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 17:26:51,364 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 17:26:51,364 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 17:26:51,364 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 1, 1, 1, 1, 1, 1] [2022-12-13 17:26:51,364 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-12-13 17:26:51,364 INFO L748 eck$LassoCheckResult]: Stem: 369#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 370#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet14#1, main_#t~nondet15#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~short8#1, test_fun_#t~mem12#1, test_fun_#t~mem4#1, test_fun_#t~mem13#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 365#L553-3 call test_fun_#t~mem4#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 366#L553-1 assume !!(test_fun_#t~mem4#1 >= 0);havoc test_fun_#t~mem4#1;call write~int(1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 373#L555-5 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 > test_fun_#t~mem6#1; 380#L555-1 assume !test_fun_#t~short8#1; 359#L555-3 assume !test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1; 360#L555-6 call test_fun_#t~mem12#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem12#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 361#L553-3 call test_fun_#t~mem4#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 368#L553-1 assume !!(test_fun_#t~mem4#1 >= 0);havoc test_fun_#t~mem4#1;call write~int(1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 362#L555-5 [2022-12-13 17:26:51,365 INFO L750 eck$LassoCheckResult]: Loop: 362#L555-5 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 > test_fun_#t~mem6#1; 371#L555-1 assume test_fun_#t~short8#1;call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem7#1 < 1073741824; 357#L555-3 assume !!test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1;call test_fun_#t~mem9#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 358#L556 assume !(test_fun_#t~mem9#1 <= 0);havoc test_fun_#t~mem9#1;call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(2 * test_fun_#t~mem11#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1; 362#L555-5 [2022-12-13 17:26:51,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:26:51,365 INFO L85 PathProgramCache]: Analyzing trace with hash 765810429, now seen corresponding path program 2 times [2022-12-13 17:26:51,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:26:51,365 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [766625938] [2022-12-13 17:26:51,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:26:51,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:26:51,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:26:51,381 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:26:51,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:26:51,393 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:26:51,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:26:51,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1450089, now seen corresponding path program 2 times [2022-12-13 17:26:51,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:26:51,394 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [903013215] [2022-12-13 17:26:51,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:26:51,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:26:51,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:26:51,400 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:26:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:26:51,406 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:26:51,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:26:51,407 INFO L85 PathProgramCache]: Analyzing trace with hash -1660970651, now seen corresponding path program 1 times [2022-12-13 17:26:51,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:26:51,407 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438236503] [2022-12-13 17:26:51,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:26:51,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:26:51,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:26:51,542 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-12-13 17:26:51,696 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:26:51,696 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:26:51,696 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438236503] [2022-12-13 17:26:51,696 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [438236503] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:26:51,697 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073088963] [2022-12-13 17:26:51,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:26:51,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:26:51,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:26:51,698 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:26:51,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2022-12-13 17:26:51,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:26:51,755 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 27 conjunts are in the unsatisfiable core [2022-12-13 17:26:51,758 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:26:51,766 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 8 [2022-12-13 17:26:51,778 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-13 17:26:51,869 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 26 [2022-12-13 17:26:51,902 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2022-12-13 17:26:51,905 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2022-12-13 17:26:52,022 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 12 [2022-12-13 17:26:52,033 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:26:52,034 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 17:26:52,282 INFO L321 Elim1Store]: treesize reduction 25, result has 40.5 percent of original size [2022-12-13 17:26:52,282 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 90 treesize of output 74 [2022-12-13 17:26:52,291 INFO L321 Elim1Store]: treesize reduction 10, result has 9.1 percent of original size [2022-12-13 17:26:52,291 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 97 treesize of output 73 [2022-12-13 17:26:52,301 INFO L321 Elim1Store]: treesize reduction 5, result has 37.5 percent of original size [2022-12-13 17:26:52,301 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 26 [2022-12-13 17:26:52,321 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:26:52,321 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2073088963] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 17:26:52,321 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 17:26:52,321 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 10] total 24 [2022-12-13 17:26:52,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444121696] [2022-12-13 17:26:52,321 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 17:26:52,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:26:52,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2022-12-13 17:26:52,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=431, Unknown=2, NotChecked=0, Total=552 [2022-12-13 17:26:52,421 INFO L87 Difference]: Start difference. First operand 27 states and 36 transitions. cyclomatic complexity: 12 Second operand has 24 states, 24 states have (on average 1.5) internal successors, (36), 24 states have internal predecessors, (36), 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) [2022-12-13 17:27:04,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 17:27:16,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 17:27:29,251 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 17:27:41,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 12.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 17:27:41,426 WARN L837 $PredicateComparison]: unable to prove that (and (< (select (select |c_#memory_int| |c_ULTIMATE.start_test_fun_~y_ref~0#1.base|) |c_ULTIMATE.start_test_fun_~y_ref~0#1.offset|) 1) (forall ((v_ArrVal_191 (Array Int Int))) (let ((.cse0 (select v_ArrVal_191 |c_ULTIMATE.start_test_fun_~y_ref~0#1.offset|))) (or (< (select (select (store |c_#memory_int| |c_ULTIMATE.start_test_fun_~y_ref~0#1.base| v_ArrVal_191) |c_ULTIMATE.start_test_fun_~x_ref~0#1.base|) |c_ULTIMATE.start_test_fun_~x_ref~0#1.offset|) (+ .cse0 1)) (< .cse0 1))))) is different from false [2022-12-13 17:27:52,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.40s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [1] [2022-12-13 17:27:52,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:27:52,928 INFO L93 Difference]: Finished difference Result 71 states and 80 transitions. [2022-12-13 17:27:52,928 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 71 states and 80 transitions. [2022-12-13 17:27:52,929 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 17:27:52,931 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 71 states to 38 states and 45 transitions. [2022-12-13 17:27:52,931 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2022-12-13 17:27:52,931 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 8 [2022-12-13 17:27:52,931 INFO L73 IsDeterministic]: Start isDeterministic. Operand 38 states and 45 transitions. [2022-12-13 17:27:52,931 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 17:27:52,931 INFO L218 hiAutomatonCegarLoop]: Abstraction has 38 states and 45 transitions. [2022-12-13 17:27:52,932 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states and 45 transitions. [2022-12-13 17:27:52,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 31. [2022-12-13 17:27:52,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 31 states, 31 states have (on average 1.2258064516129032) internal successors, (38), 30 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:27:52,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 38 transitions. [2022-12-13 17:27:52,934 INFO L240 hiAutomatonCegarLoop]: Abstraction has 31 states and 38 transitions. [2022-12-13 17:27:52,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2022-12-13 17:27:52,936 INFO L428 stractBuchiCegarLoop]: Abstraction has 31 states and 38 transitions. [2022-12-13 17:27:52,936 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-12-13 17:27:52,936 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 31 states and 38 transitions. [2022-12-13 17:27:52,936 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 17:27:52,936 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 17:27:52,936 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 17:27:52,937 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2022-12-13 17:27:52,937 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-12-13 17:27:52,937 INFO L748 eck$LassoCheckResult]: Stem: 596#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 597#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet14#1, main_#t~nondet15#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~short8#1, test_fun_#t~mem12#1, test_fun_#t~mem4#1, test_fun_#t~mem13#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 592#L553-3 call test_fun_#t~mem4#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 593#L553-1 assume !!(test_fun_#t~mem4#1 >= 0);havoc test_fun_#t~mem4#1;call write~int(1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 599#L555-5 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 > test_fun_#t~mem6#1; 600#L555-1 assume test_fun_#t~short8#1;call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem7#1 < 1073741824; 614#L555-3 assume !!test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1;call test_fun_#t~mem9#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 613#L556 assume !(test_fun_#t~mem9#1 <= 0);havoc test_fun_#t~mem9#1;call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(2 * test_fun_#t~mem11#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1; 612#L555-5 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 > test_fun_#t~mem6#1; 601#L555-1 assume test_fun_#t~short8#1;call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem7#1 < 1073741824; 602#L555-3 assume !test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1; 588#L555-6 call test_fun_#t~mem12#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem12#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 589#L553-3 call test_fun_#t~mem4#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 594#L553-1 assume !!(test_fun_#t~mem4#1 >= 0);havoc test_fun_#t~mem4#1;call write~int(1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 590#L555-5 [2022-12-13 17:27:52,937 INFO L750 eck$LassoCheckResult]: Loop: 590#L555-5 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 > test_fun_#t~mem6#1; 598#L555-1 assume test_fun_#t~short8#1;call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem7#1 < 1073741824; 584#L555-3 assume !!test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1;call test_fun_#t~mem9#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 585#L556 assume !(test_fun_#t~mem9#1 <= 0);havoc test_fun_#t~mem9#1;call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(2 * test_fun_#t~mem11#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1; 590#L555-5 [2022-12-13 17:27:52,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:27:52,937 INFO L85 PathProgramCache]: Analyzing trace with hash -2111459613, now seen corresponding path program 1 times [2022-12-13 17:27:52,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:27:52,938 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356251945] [2022-12-13 17:27:52,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:27:52,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:27:52,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:53,085 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:27:53,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 17:27:53,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356251945] [2022-12-13 17:27:53,086 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356251945] provided 0 perfect and 1 imperfect interpolant sequences [2022-12-13 17:27:53,086 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1255293126] [2022-12-13 17:27:53,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:27:53,086 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-12-13 17:27:53,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:27:53,087 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-12-13 17:27:53,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2022-12-13 17:27:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:53,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 9 conjunts are in the unsatisfiable core [2022-12-13 17:27:53,140 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:27:53,146 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2022-12-13 17:27:53,160 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2022-12-13 17:27:53,173 INFO L350 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2022-12-13 17:27:53,177 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:27:53,178 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-12-13 17:27:53,213 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:27:53,213 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1255293126] provided 0 perfect and 2 imperfect interpolant sequences [2022-12-13 17:27:53,213 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-12-13 17:27:53,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2022-12-13 17:27:53,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174859975] [2022-12-13 17:27:53,214 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-12-13 17:27:53,214 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-12-13 17:27:53,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:27:53,214 INFO L85 PathProgramCache]: Analyzing trace with hash 1450089, now seen corresponding path program 3 times [2022-12-13 17:27:53,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:27:53,214 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180846720] [2022-12-13 17:27:53,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:27:53,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:27:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:27:53,218 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:27:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:27:53,221 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:27:53,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 17:27:53,375 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-12-13 17:27:53,375 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2022-12-13 17:27:53,375 INFO L87 Difference]: Start difference. First operand 31 states and 38 transitions. cyclomatic complexity: 10 Second operand has 8 states, 8 states have (on average 2.875) internal successors, (23), 8 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:27:53,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 17:27:53,489 INFO L93 Difference]: Finished difference Result 96 states and 111 transitions. [2022-12-13 17:27:53,489 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 96 states and 111 transitions. [2022-12-13 17:27:53,491 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 17:27:53,492 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 96 states to 92 states and 107 transitions. [2022-12-13 17:27:53,492 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 28 [2022-12-13 17:27:53,492 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 28 [2022-12-13 17:27:53,492 INFO L73 IsDeterministic]: Start isDeterministic. Operand 92 states and 107 transitions. [2022-12-13 17:27:53,492 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-12-13 17:27:53,492 INFO L218 hiAutomatonCegarLoop]: Abstraction has 92 states and 107 transitions. [2022-12-13 17:27:53,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states and 107 transitions. [2022-12-13 17:27:53,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 51. [2022-12-13 17:27:53,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 51 states have (on average 1.2156862745098038) internal successors, (62), 50 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:27:53,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 62 transitions. [2022-12-13 17:27:53,495 INFO L240 hiAutomatonCegarLoop]: Abstraction has 51 states and 62 transitions. [2022-12-13 17:27:53,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-12-13 17:27:53,496 INFO L428 stractBuchiCegarLoop]: Abstraction has 51 states and 62 transitions. [2022-12-13 17:27:53,496 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-12-13 17:27:53,496 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 51 states and 62 transitions. [2022-12-13 17:27:53,497 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-12-13 17:27:53,497 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 17:27:53,497 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 17:27:53,498 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2022-12-13 17:27:53,498 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-12-13 17:27:53,498 INFO L748 eck$LassoCheckResult]: Stem: 821#$Ultimate##0 assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier; 822#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet14#1, main_#t~nondet15#1, main_#t~ret16#1;assume { :begin_inline_test_fun } true;test_fun_#in~x#1, test_fun_#in~y#1 := main_#t~nondet14#1, main_#t~nondet15#1;havoc test_fun_#res#1;havoc test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset, test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset, test_fun_#t~mem9#1, test_fun_#t~mem10#1, test_fun_#t~mem11#1, test_fun_#t~mem5#1, test_fun_#t~mem6#1, test_fun_#t~mem7#1, test_fun_#t~short8#1, test_fun_#t~mem12#1, test_fun_#t~mem4#1, test_fun_#t~mem13#1, test_fun_~x#1, test_fun_~y#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset;test_fun_~x#1 := test_fun_#in~x#1;test_fun_~y#1 := test_fun_#in~y#1;call test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset := #Ultimate.allocOnStack(4);test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset := test_fun_#t~malloc2#1.base, test_fun_#t~malloc2#1.offset;call test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset := #Ultimate.allocOnStack(4);test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset := test_fun_#t~malloc3#1.base, test_fun_#t~malloc3#1.offset;call write~int(test_fun_~x#1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_~y#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 814#L553-3 call test_fun_#t~mem4#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 815#L553-1 assume !!(test_fun_#t~mem4#1 >= 0);havoc test_fun_#t~mem4#1;call write~int(1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 823#L555-5 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 > test_fun_#t~mem6#1; 858#L555-1 assume test_fun_#t~short8#1;call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem7#1 < 1073741824; 857#L555-3 assume !!test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1;call test_fun_#t~mem9#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 819#L556 assume !(test_fun_#t~mem9#1 <= 0);havoc test_fun_#t~mem9#1;call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(2 * test_fun_#t~mem11#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1; 820#L555-5 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 > test_fun_#t~mem6#1; 825#L555-1 assume test_fun_#t~short8#1;call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem7#1 < 1073741824; 810#L555-3 assume !!test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1;call test_fun_#t~mem9#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 811#L556 assume !(test_fun_#t~mem9#1 <= 0);havoc test_fun_#t~mem9#1;call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(2 * test_fun_#t~mem11#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1; 856#L555-5 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 > test_fun_#t~mem6#1; 828#L555-1 assume !test_fun_#t~short8#1; 826#L555-3 assume !test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1; 812#L555-6 call test_fun_#t~mem12#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call write~int(test_fun_#t~mem12#1 - 1, test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);havoc test_fun_#t~mem12#1; 813#L553-3 call test_fun_#t~mem4#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4); 816#L553-1 assume !!(test_fun_#t~mem4#1 >= 0);havoc test_fun_#t~mem4#1;call write~int(1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 818#L555-5 [2022-12-13 17:27:53,498 INFO L750 eck$LassoCheckResult]: Loop: 818#L555-5 call test_fun_#t~mem5#1 := read~int(test_fun_~x_ref~0#1.base, test_fun_~x_ref~0#1.offset, 4);call test_fun_#t~mem6#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem5#1 > test_fun_#t~mem6#1; 824#L555-1 assume test_fun_#t~short8#1;call test_fun_#t~mem7#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);test_fun_#t~short8#1 := test_fun_#t~mem7#1 < 1073741824; 808#L555-3 assume !!test_fun_#t~short8#1;havoc test_fun_#t~mem5#1;havoc test_fun_#t~mem6#1;havoc test_fun_#t~mem7#1;havoc test_fun_#t~short8#1;call test_fun_#t~mem9#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4); 809#L556 assume !(test_fun_#t~mem9#1 <= 0);havoc test_fun_#t~mem9#1;call test_fun_#t~mem11#1 := read~int(test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);call write~int(2 * test_fun_#t~mem11#1, test_fun_~y_ref~0#1.base, test_fun_~y_ref~0#1.offset, 4);havoc test_fun_#t~mem11#1; 818#L555-5 [2022-12-13 17:27:53,498 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:27:53,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1779388211, now seen corresponding path program 2 times [2022-12-13 17:27:53,499 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:27:53,499 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083660922] [2022-12-13 17:27:53,499 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:27:53,499 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:27:53,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:27:53,511 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:27:53,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:27:53,522 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:27:53,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:27:53,522 INFO L85 PathProgramCache]: Analyzing trace with hash 1450089, now seen corresponding path program 4 times [2022-12-13 17:27:53,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:27:53,523 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437854240] [2022-12-13 17:27:53,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:27:53,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:27:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:27:53,526 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:27:53,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:27:53,529 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:27:53,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:27:53,530 INFO L85 PathProgramCache]: Analyzing trace with hash -647394507, now seen corresponding path program 3 times [2022-12-13 17:27:53,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 17:27:53,530 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657818204] [2022-12-13 17:27:53,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 17:27:53,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 17:27:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:27:53,551 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 17:27:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 17:27:53,568 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 17:27:55,264 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 17:27:55,264 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 17:27:55,264 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 17:27:55,264 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 17:27:55,264 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 17:27:55,264 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:27:55,264 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 17:27:55,264 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 17:27:55,264 INFO L133 ssoRankerPreferences]: Filename of dumped script: c.01_assume-alloca.i_Iteration7_Lasso [2022-12-13 17:27:55,264 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 17:27:55,264 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 17:27:55,267 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:27:55,269 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:27:55,270 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:27:55,271 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:27:55,274 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:27:55,275 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:27:55,279 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:27:55,281 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:27:55,282 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:27:55,283 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:27:55,285 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:27:55,286 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:27:55,287 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:27:55,288 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:27:55,290 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:27:55,291 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:27:55,292 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:27:55,584 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:27:55,586 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:27:55,587 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 17:27:55,864 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 17:27:55,864 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 17:27:55,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:27:55,865 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:27:55,865 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:27:55,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-12-13 17:27:55,867 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:27:55,877 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:27:55,877 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 17:27:55,877 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:27:55,878 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:27:55,878 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:27:55,878 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 17:27:55,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 17:27:55,879 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:27:55,881 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Ended with exit code 0 [2022-12-13 17:27:55,882 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:27:55,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:27:55,882 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:27:55,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-12-13 17:27:55,885 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:27:55,895 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:27:55,895 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 17:27:55,895 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:27:55,895 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:27:55,895 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:27:55,895 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 17:27:55,895 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 17:27:55,897 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:27:55,899 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Ended with exit code 0 [2022-12-13 17:27:55,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:27:55,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:27:55,900 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:27:55,900 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-12-13 17:27:55,902 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:27:55,911 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:27:55,912 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 17:27:55,912 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:27:55,912 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:27:55,912 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:27:55,912 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 17:27:55,912 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 17:27:55,913 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:27:55,916 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Ended with exit code 0 [2022-12-13 17:27:55,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:27:55,916 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:27:55,917 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:27:55,917 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-12-13 17:27:55,919 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:27:55,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:27:55,928 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:27:55,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:27:55,929 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:27:55,930 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 17:27:55,930 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 17:27:55,932 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:27:55,935 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-12-13 17:27:55,935 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:27:55,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:27:55,936 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:27:55,936 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-12-13 17:27:55,938 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:27:55,947 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:27:55,948 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 17:27:55,948 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:27:55,948 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:27:55,948 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:27:55,948 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 17:27:55,948 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 17:27:55,950 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:27:55,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Ended with exit code 0 [2022-12-13 17:27:55,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:27:55,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:27:55,953 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:27:55,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-12-13 17:27:55,955 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:27:55,965 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:27:55,965 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:27:55,965 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:27:55,965 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:27:55,967 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 17:27:55,967 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 17:27:55,971 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:27:55,973 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Ended with exit code 0 [2022-12-13 17:27:55,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:27:55,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:27:55,974 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:27:55,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-12-13 17:27:55,977 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:27:55,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:27:55,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:27:55,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:27:55,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:27:55,988 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 17:27:55,988 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 17:27:55,990 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:27:55,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Ended with exit code 0 [2022-12-13 17:27:55,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:27:55,993 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:27:55,993 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:27:55,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-12-13 17:27:55,995 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:27:56,005 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:27:56,005 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 17:27:56,005 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:27:56,005 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:27:56,006 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:27:56,006 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 17:27:56,006 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 17:27:56,007 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:27:56,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Ended with exit code 0 [2022-12-13 17:27:56,010 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:27:56,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:27:56,011 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:27:56,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-12-13 17:27:56,013 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:27:56,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:27:56,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 17:27:56,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:27:56,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:27:56,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:27:56,023 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 17:27:56,023 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 17:27:56,024 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:27:56,026 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2022-12-13 17:27:56,026 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:27:56,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:27:56,027 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:27:56,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-12-13 17:27:56,029 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:27:56,039 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:27:56,039 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:27:56,039 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:27:56,039 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:27:56,041 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 17:27:56,041 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 17:27:56,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:27:56,045 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Ended with exit code 0 [2022-12-13 17:27:56,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:27:56,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:27:56,046 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:27:56,047 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-12-13 17:27:56,048 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 [2022-12-13 17:27:56,058 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:27:56,058 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 17:27:56,058 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:27:56,058 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:27:56,058 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:27:56,059 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 17:27:56,059 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 17:27:56,060 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:27:56,062 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-12-13 17:27:56,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:27:56,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:27:56,063 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:27:56,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-12-13 17:27:56,065 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:27:56,075 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:27:56,075 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 17:27:56,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:27:56,076 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:27:56,076 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:27:56,076 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 17:27:56,076 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 17:27:56,078 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:27:56,080 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Ended with exit code 0 [2022-12-13 17:27:56,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:27:56,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:27:56,081 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:27:56,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-12-13 17:27:56,083 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:27:56,093 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:27:56,094 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 17:27:56,094 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:27:56,094 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:27:56,094 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:27:56,094 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 17:27:56,094 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 17:27:56,095 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:27:56,097 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-12-13 17:27:56,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:27:56,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:27:56,098 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:27:56,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-12-13 17:27:56,101 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:27:56,111 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:27:56,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:27:56,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:27:56,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:27:56,112 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 17:27:56,112 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 17:27:56,114 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:27:56,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Ended with exit code 0 [2022-12-13 17:27:56,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:27:56,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:27:56,117 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:27:56,118 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-12-13 17:27:56,119 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:27:56,129 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:27:56,129 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 17:27:56,129 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:27:56,129 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:27:56,129 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:27:56,130 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 17:27:56,130 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 17:27:56,131 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:27:56,133 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-12-13 17:27:56,134 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:27:56,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:27:56,135 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:27:56,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-12-13 17:27:56,137 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:27:56,146 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:27:56,146 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 17:27:56,147 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:27:56,147 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:27:56,147 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:27:56,147 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 17:27:56,147 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 17:27:56,148 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 17:27:56,150 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-12-13 17:27:56,151 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:27:56,151 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:27:56,151 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:27:56,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-12-13 17:27:56,154 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 17:27:56,164 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 17:27:56,164 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 17:27:56,164 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 17:27:56,164 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 17:27:56,167 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 17:27:56,167 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 17:27:56,177 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 17:27:56,194 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-12-13 17:27:56,194 INFO L444 ModelExtractionUtils]: 3 out of 19 variables were initially zero. Simplification set additionally 13 variables to zero. [2022-12-13 17:27:56,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 17:27:56,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 17:27:56,195 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 17:27:56,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-12-13 17:27:56,197 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 17:27:56,211 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2022-12-13 17:27:56,211 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 17:27:56,211 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_3, v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_3) = 2147483647*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~x_ref~0#1.base) ULTIMATE.start_test_fun_~x_ref~0#1.offset)_3 - 2147483648*v_rep(select (select #memory_int ULTIMATE.start_test_fun_~y_ref~0#1.base) ULTIMATE.start_test_fun_~y_ref~0#1.offset)_3 Supporting invariants [] [2022-12-13 17:27:56,214 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-12-13 17:27:56,249 INFO L156 tatePredicateManager]: 11 out of 11 supporting invariants were superfluous and have been removed [2022-12-13 17:27:56,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:27:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:56,290 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 17:27:56,291 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:27:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:56,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-13 17:27:56,316 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:27:56,424 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-12-13 17:27:56,454 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:27:56,455 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2022-12-13 17:27:56,455 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 51 states and 62 transitions. cyclomatic complexity: 14 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:27:56,526 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 51 states and 62 transitions. cyclomatic complexity: 14. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 73 states and 87 transitions. Complement of second has 11 states. [2022-12-13 17:27:56,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2022-12-13 17:27:56,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:27:56,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 11 transitions. [2022-12-13 17:27:56,527 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 11 transitions. Stem has 18 letters. Loop has 4 letters. [2022-12-13 17:27:56,527 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 17:27:56,527 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-12-13 17:27:56,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:27:56,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:56,561 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 17:27:56,562 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:27:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:56,589 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-13 17:27:56,590 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:27:56,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:27:56,690 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 4 loop predicates [2022-12-13 17:27:56,690 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 51 states and 62 transitions. cyclomatic complexity: 14 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:27:56,741 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 51 states and 62 transitions. cyclomatic complexity: 14. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 73 states and 87 transitions. Complement of second has 11 states. [2022-12-13 17:27:56,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2022-12-13 17:27:56,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:27:56,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 11 transitions. [2022-12-13 17:27:56,742 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 11 transitions. Stem has 18 letters. Loop has 4 letters. [2022-12-13 17:27:56,743 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 17:27:56,743 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-12-13 17:27:56,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 17:27:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:56,783 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 17:27:56,784 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:27:56,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 17:27:56,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 14 conjunts are in the unsatisfiable core [2022-12-13 17:27:56,809 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 17:27:56,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 17:27:56,909 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 4 loop predicates [2022-12-13 17:27:56,909 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 51 states and 62 transitions. cyclomatic complexity: 14 Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:27:56,971 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 51 states and 62 transitions. cyclomatic complexity: 14. Second operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 89 states and 111 transitions. Complement of second has 10 states. [2022-12-13 17:27:56,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 1 stem states 4 non-accepting loop states 1 accepting loop states [2022-12-13 17:27:56,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 3.2) internal successors, (16), 5 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 17:27:56,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 19 transitions. [2022-12-13 17:27:56,972 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 18 letters. Loop has 4 letters. [2022-12-13 17:27:56,972 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 17:27:56,972 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 22 letters. Loop has 4 letters. [2022-12-13 17:27:56,972 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 17:27:56,973 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 19 transitions. Stem has 18 letters. Loop has 8 letters. [2022-12-13 17:27:56,973 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 17:27:56,973 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 89 states and 111 transitions. [2022-12-13 17:27:56,974 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 17:27:56,974 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 89 states to 0 states and 0 transitions. [2022-12-13 17:27:56,974 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 17:27:56,974 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 17:27:56,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 17:27:56,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 17:27:56,975 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 17:27:56,975 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 17:27:56,975 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 17:27:56,975 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-12-13 17:27:56,975 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 17:27:56,975 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 17:27:56,975 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 17:27:56,979 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 05:27:56 BoogieIcfgContainer [2022-12-13 17:27:56,979 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 17:27:56,979 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 17:27:56,979 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 17:27:56,980 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 17:27:56,980 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 05:26:47" (3/4) ... [2022-12-13 17:27:56,982 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 17:27:56,982 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 17:27:56,982 INFO L158 Benchmark]: Toolchain (without parser) took 69830.59ms. Allocated memory is still 165.7MB. Free memory was 133.7MB in the beginning and 61.1MB in the end (delta: 72.6MB). Peak memory consumption was 75.0MB. Max. memory is 16.1GB. [2022-12-13 17:27:56,983 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 117.4MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 17:27:56,983 INFO L158 Benchmark]: CACSL2BoogieTranslator took 268.82ms. Allocated memory is still 165.7MB. Free memory was 133.7MB in the beginning and 118.3MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 17:27:56,983 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.03ms. Allocated memory is still 165.7MB. Free memory was 118.3MB in the beginning and 116.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:27:56,983 INFO L158 Benchmark]: Boogie Preprocessor took 25.23ms. Allocated memory is still 165.7MB. Free memory was 116.3MB in the beginning and 114.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:27:56,984 INFO L158 Benchmark]: RCFGBuilder took 252.08ms. Allocated memory is still 165.7MB. Free memory was 114.9MB in the beginning and 103.0MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-12-13 17:27:56,984 INFO L158 Benchmark]: BuchiAutomizer took 69238.58ms. Allocated memory is still 165.7MB. Free memory was 102.4MB in the beginning and 62.1MB in the end (delta: 40.2MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. [2022-12-13 17:27:56,984 INFO L158 Benchmark]: Witness Printer took 2.51ms. Allocated memory is still 165.7MB. Free memory was 62.1MB in the beginning and 61.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 17:27:56,985 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 117.4MB. Free memory is still 92.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 268.82ms. Allocated memory is still 165.7MB. Free memory was 133.7MB in the beginning and 118.3MB in the end (delta: 15.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.03ms. Allocated memory is still 165.7MB. Free memory was 118.3MB in the beginning and 116.3MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.23ms. Allocated memory is still 165.7MB. Free memory was 116.3MB in the beginning and 114.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 252.08ms. Allocated memory is still 165.7MB. Free memory was 114.9MB in the beginning and 103.0MB in the end (delta: 12.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * BuchiAutomizer took 69238.58ms. Allocated memory is still 165.7MB. Free memory was 102.4MB in the beginning and 62.1MB in the end (delta: 40.2MB). Peak memory consumption was 41.5MB. Max. memory is 16.1GB. * Witness Printer took 2.51ms. Allocated memory is still 165.7MB. Free memory was 62.1MB in the beginning and 61.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 7 terminating modules (4 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function 2 * unknown-#memory_int-unknown[x_ref][x_ref] + 1 and consists of 4 locations. One deterministic module has affine ranking function 2147483647 + -2 * unknown-#memory_int-unknown[y_ref][y_ref] and consists of 5 locations. One nondeterministic module has affine ranking function -2147483648 * unknown-#memory_int-unknown[y_ref][y_ref] + 2147483647 * unknown-#memory_int-unknown[x_ref][x_ref] and consists of 6 locations. 4 modules have a trivial ranking function, the largest among these consists of 24 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 69.2s and 8 iterations. TraceHistogramMax:3. Analysis of lassos took 7.3s. Construction of modules took 60.2s. Büchi inclusion checks took 1.5s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 4. Automata minimization 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 59 StatesRemovedByMinimization, 5 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 [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 36 mSolverCounterUnknown, 136 SdHoareTripleChecker+Valid, 60.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 132 mSDsluCounter, 104 SdHoareTripleChecker+Invalid, 60.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 12 IncrementalHoareTripleChecker+Unchecked, 43 mSDsCounter, 68 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 373 IncrementalHoareTripleChecker+Invalid, 489 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 68 mSolverCounterUnsat, 61 mSDtfsCounter, 373 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI2 SFLT0 conc1 concLT0 SILN0 SILU1 SILI0 SILT0 lasso3 LassoPreprocessingBenchmarks: Lassos: inital280 mio100 ax106 hnf100 lsp89 ukn55 mio100 lsp35 div100 bol100 ite100 ukn100 eq177 hnf89 smp93 dnf100 smp100 tf100 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 20ms 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! [2022-12-13 17:27:56,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2022-12-13 17:27:57,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2022-12-13 17:27:57,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d846f626-177b-468d-8a86-0f3f65ab1125/bin/uautomizer-uyxdKDjOR8/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